parcer/src/components/browser/BrowserWindow.tsx

import React, { useCallback, useContext, useEffect, useRef, useState } from 'react';
import { useSocketStore } from '../../context/socket';
import { Button } from '@mui/material';
import Canvas from "../recorder/Canvas";
import { Highlighter } from "../recorder/Highlighter";
import { GenericModal } from '../ui/GenericModal';
import { useActionContext } from '../../context/browserActions';
import { useBrowserSteps, TextStep } from '../../context/browserSteps';
import { useGlobalInfoStore } from '../../context/globalInfo';
import { useTranslation } from 'react-i18next';
import { AuthContext } from '../../context/auth';
import { coordinateMapper } from '../../helpers/coordinateMapper';
import { useBrowserDimensionsStore } from '../../context/browserDimensions';
import { clientSelectorGenerator, ElementFingerprint } from "../../helpers/clientSelectorGenerator";
import DatePicker from "../pickers/DatePicker";
import Dropdown from "../pickers/Dropdown";
import TimePicker from "../pickers/TimePicker";
import DateTimeLocalPicker from "../pickers/DateTimeLocalPicker";
import { DOMBrowserRenderer } from '../recorder/DOMBrowserRenderer';

interface ElementInfo {
    tagName: string;
    hasOnlyText?: boolean;
    isIframeContent?: boolean;
    isShadowRoot?: boolean;
    innerText?: string;
    url?: string;
    imageUrl?: string;
    attributes?: Record<string, string>;
    innerHTML?: string;
    outerHTML?: string;
    isDOMMode?: boolean; 
}

interface AttributeOption {
    label: string;
    value: string;
}

interface ScreencastData {
    image: string;
    userId: string;
    viewport?: ViewportInfo | null;
}

interface ViewportInfo {
    width: number;
    height: number;
}

interface RRWebSnapshot {
  type: number;
  childNodes?: RRWebSnapshot[];
  tagName?: string;
  attributes?: Record<string, string>;
  textContent: string;
  id: number;
  [key: string]: any;
}

interface ProcessedSnapshot {
  snapshot: RRWebSnapshot;
  resources: {
    stylesheets: Array<{
      href: string;
      content: string;
      media?: string;
    }>;
    images: Array<{
      src: string;
      dataUrl: string;
      alt?: string;
    }>;
    fonts: Array<{
      url: string;
      dataUrl: string;
      format?: string;
    }>;
    scripts: Array<{
      src: string;
      content: string;
      type?: string;
    }>;
    media: Array<{
      src: string;
      dataUrl: string;
      type: string;
    }>;
  };
  baseUrl: string;
  viewport: { width: number; height: number };
  timestamp: number;
  processingStats: {
    totalReplacements: number;
    discoveredResources: {
      images: number;
      stylesheets: number;
      scripts: number;
      fonts: number;
      media: number;
    };
    cachedResources: {
      stylesheets: number;
      images: number;
      fonts: number;
      scripts: number;
      media: number;
    };
    totalCacheSize: number;
  };
}

interface RRWebDOMCastData {
  snapshotData: ProcessedSnapshot;
  userId: string;
  timestamp: number;
}

const getAttributeOptions = (tagName: string, elementInfo: ElementInfo | null): AttributeOption[] => {
    if (!elementInfo) return [];
    switch (tagName.toLowerCase()) {
        case 'a':
            const anchorOptions: AttributeOption[] = [];
            if (elementInfo.innerText) {
                anchorOptions.push({ label: `Text: ${elementInfo.innerText}`, value: 'innerText' });
            }
            if (elementInfo.url) {
                anchorOptions.push({ label: `URL: ${elementInfo.url}`, value: 'href' });
            }
            return anchorOptions;
        case 'img':
            const imgOptions: AttributeOption[] = [];
            if (elementInfo.innerText) {
                imgOptions.push({ label: `Alt Text: ${elementInfo.innerText}`, value: 'alt' });
            }
            if (elementInfo.imageUrl) {
                imgOptions.push({ label: `Image URL: ${elementInfo.imageUrl}`, value: 'src' });
            }
            return imgOptions;
        default:
            return [{ label: `Text: ${elementInfo.innerText}`, value: 'innerText' }];
    }
};

export const BrowserWindow = () => {
    const { t } = useTranslation();
    const { browserWidth, browserHeight } = useBrowserDimensionsStore();
    const [canvasRef, setCanvasReference] = useState<React.RefObject<HTMLCanvasElement> | undefined>(undefined);
    const [screenShot, setScreenShot] = useState<string>("");
    const [highlighterData, setHighlighterData] = useState<{
        rect: DOMRect;
        selector: string;
        elementInfo: ElementInfo | null;
        isShadow?: boolean;
        childSelectors?: string[];
        groupElements?: Array<{ element: HTMLElement; rect: DOMRect }>;
        similarElements?: {
            elements: HTMLElement[];
            rects: DOMRect[];
        };
    } | null>(null);
    const [showAttributeModal, setShowAttributeModal] = useState(false);
    const [attributeOptions, setAttributeOptions] = useState<AttributeOption[]>([]);
    const [selectedElement, setSelectedElement] = useState<{ selector: string, info: ElementInfo | null } | null>(null);
    const [currentListId, setCurrentListId] = useState<number | null>(null);
    const [viewportInfo, setViewportInfo] = useState<ViewportInfo>({ width: browserWidth, height: browserHeight });
    const [isLoading, setIsLoading] = useState(false);
    const [cachedChildSelectors, setCachedChildSelectors] = useState<string[]>([]);

    const [listSelector, setListSelector] = useState<string | null>(null);
    const [fields, setFields] = useState<Record<string, TextStep>>({});
    const [paginationSelector, setPaginationSelector] = useState<string>('');

    const highlighterUpdateRef = useRef<number>(0);
    const [isCachingChildSelectors, setIsCachingChildSelectors] = useState(false);
    const [cachedListSelector, setCachedListSelector] = useState<string | null>(
        null
    );
    const [pendingNotification, setPendingNotification] = useState<{
        type: "error" | "warning" | "info" | "success";
        message: string;
        count?: number;
    } | null>(null);

    const { socket } = useSocketStore();
    const { notify, currentTextActionId, currentListActionId, updateDOMMode, isDOMMode, currentSnapshot } = useGlobalInfoStore();
    const { getText, getList, paginationMode, paginationType, limitMode, captureStage } = useActionContext();
    const { addTextStep, addListStep } = useBrowserSteps();

    const [currentGroupInfo, setCurrentGroupInfo] = useState<{
        isGroupElement: boolean;
        groupSize: number;
        groupElements: HTMLElement[];
    } | null>(null);
  
    const { state } = useContext(AuthContext);
    const { user } = state;

    const [datePickerInfo, setDatePickerInfo] = useState<{
        coordinates: { x: number; y: number };
        selector: string;
    } | null>(null);

    const [dropdownInfo, setDropdownInfo] = useState<{
        coordinates: { x: number; y: number };
        selector: string;
        options: Array<{
            value: string;
            text: string;
            disabled: boolean;
            selected: boolean;
        }>;
    } | null>(null);

    const [timePickerInfo, setTimePickerInfo] = useState<{
        coordinates: { x: number; y: number };
        selector: string;
    } | null>(null);

    const [dateTimeLocalInfo, setDateTimeLocalInfo] = useState<{
        coordinates: { x: number; y: number };
        selector: string;
    } | null>(null);

    const dimensions = {
        width: browserWidth,
        height: browserHeight
    };

    const handleShowDatePicker = useCallback(
        (info: { coordinates: { x: number; y: number }; selector: string }) => {
            setDatePickerInfo(info);
        },
        []
    );

    const handleShowDropdown = useCallback(
        (info: {
            coordinates: { x: number; y: number };
            selector: string;
            options: Array<{
                value: string;
                text: string;
                disabled: boolean;
                selected: boolean;
            }>;
        }) => {
            setDropdownInfo(info);
        },
        []
    );

    const handleShowTimePicker = useCallback(
        (info: { coordinates: { x: number; y: number }; selector: string }) => {
            setTimePickerInfo(info);
        },
        []
    );

    const handleShowDateTimePicker = useCallback(
        (info: { coordinates: { x: number; y: number }; selector: string }) => {
            setDateTimeLocalInfo(info);
        },
        []
    );

    const rrwebSnapshotHandler = useCallback(
        (data: RRWebDOMCastData) => {
        if (!data.userId || data.userId === user?.id) {
            if (data.snapshotData && data.snapshotData.snapshot) {
                updateDOMMode(true, data.snapshotData);
                socket?.emit("dom-mode-enabled");
                setIsLoading(false);
            } else {
                setIsLoading(false);
            }
        }
        },
        [user?.id, socket, updateDOMMode]
    );

    const domModeHandler = useCallback(
        (data: any) => {
            if (!data.userId || data.userId === user?.id) {
                updateDOMMode(true);
                socket?.emit("dom-mode-enabled");
                setIsLoading(false);
            }
        },
        [user?.id, socket, updateDOMMode]
    );

    const domModeErrorHandler = useCallback(
        (data: any) => {
            if (!data.userId || data.userId === user?.id) {
                updateDOMMode(false);
                setIsLoading(false);
            }
        },
        [user?.id, updateDOMMode]
    );

    useEffect(() => {
        if (isDOMMode) {
        clientSelectorGenerator.setGetList(getList);
        clientSelectorGenerator.setListSelector(listSelector || "");
        clientSelectorGenerator.setPaginationMode(paginationMode);
        }
    }, [isDOMMode, getList, listSelector, paginationMode]);

    useEffect(() => {
      if (isDOMMode && listSelector) {
        socket?.emit("setGetList", { getList: true });
        socket?.emit("listSelector", { selector: listSelector });

        clientSelectorGenerator.setListSelector(listSelector);

        if (currentSnapshot && cachedListSelector !== listSelector) {
          setCachedChildSelectors([]);
          setIsCachingChildSelectors(true);
          setCachedListSelector(listSelector);

          const iframeElement = document.querySelector(
            "#dom-browser-iframe"
          ) as HTMLIFrameElement;

          if (iframeElement?.contentDocument) {
            setTimeout(() => {
              try {
                const childSelectors =
                  clientSelectorGenerator.getChildSelectors(
                    iframeElement.contentDocument as Document,
                    listSelector
                  );

                clientSelectorGenerator.precomputeChildSelectorMappings(
                  childSelectors,
                  iframeElement.contentDocument as Document
                );

                setCachedChildSelectors(childSelectors);
              } catch (error) {
                console.error("Error during child selector caching:", error);
              } finally {
                setIsCachingChildSelectors(false);

                if (pendingNotification) {
                  notify(pendingNotification.type, pendingNotification.message);
                  setPendingNotification(null);
                }
              }
            }, 100);
          } else {
            setIsCachingChildSelectors(false);
          }
        }
      }
    }, [
      isDOMMode,
      listSelector,
      socket,
      getList,
      currentSnapshot,
      cachedListSelector,
      pendingNotification,
      notify,
    ]);

    useEffect(() => {
        if (!listSelector) {
            setCachedListSelector(null);
        }
    }, [listSelector]);

    useEffect(() => {
        coordinateMapper.updateDimensions(dimensions.width, dimensions.height, viewportInfo.width, viewportInfo.height);
    }, [viewportInfo, dimensions.width, dimensions.height]);

    useEffect(() => {
        if (listSelector) {
          sessionStorage.setItem('recordingListSelector', listSelector);
        }
    }, [listSelector]);

    useEffect(() => {
        const storedListSelector = sessionStorage.getItem('recordingListSelector');
        
        // Only restore state if it exists in sessionStorage
        if (storedListSelector && !listSelector) {
          setListSelector(storedListSelector);
        }
    }, []); 

    const onMouseMove = (e: MouseEvent) => {
        if (canvasRef && canvasRef.current && highlighterData) {
            const canvasRect = canvasRef.current.getBoundingClientRect();
            // mousemove outside the browser window
            if (
                e.pageX < canvasRect.left
                || e.pageX > canvasRect.right
                || e.pageY < canvasRect.top
                || e.pageY > canvasRect.bottom
            ) {
                setHighlighterData(null);
            }
        }
    };

    const resetListState = useCallback(() => {
        setListSelector(null);
        setFields({});
        setCurrentListId(null);
        setCachedChildSelectors([]);
    }, []);

    useEffect(() => {
        if (!getList) {
            resetListState();
        }
    }, [getList, resetListState]);

    const screencastHandler = useCallback((data: string | ScreencastData) => {
        if (typeof data === 'string') {
            setScreenShot(data);
        } else if (data && typeof data === 'object' && 'image' in data) {
            if (!data.userId || data.userId === user?.id) {
                setScreenShot(data.image);
                
                if (data.viewport) {
                    setViewportInfo(data.viewport);
                }
            }
        }
    }, [screenShot, user?.id]);

    useEffect(() => {
        if (socket) {
            socket.on("screencast", screencastHandler);
            socket.on("domcast", rrwebSnapshotHandler);
            socket.on("dom-mode-enabled", domModeHandler);
            socket.on("dom-mode-error", domModeErrorHandler);
        }

        if (canvasRef?.current && !isDOMMode && screenShot) {
            drawImage(screenShot, canvasRef.current);
        }

        return () => {
            if (socket) {
                socket.off("screencast", screencastHandler);
                socket.off("domcast", rrwebSnapshotHandler);
                socket.off("dom-mode-enabled", domModeHandler);
                socket.off("dom-mode-error", domModeErrorHandler);
            }
        };
    }, [
        socket,
        screenShot,
        canvasRef,
        isDOMMode,
        screencastHandler,
        rrwebSnapshotHandler,
        domModeHandler,
        domModeErrorHandler,
    ]);

    const domHighlighterHandler = useCallback(
        (data: {
            rect: DOMRect;
            selector: string;
            elementInfo: ElementInfo | null;
            childSelectors?: string[];
            isShadow?: boolean;
            groupInfo?: {
                isGroupElement: boolean;
                groupSize: number;
                groupElements: HTMLElement[];
                groupFingerprint: ElementFingerprint;
            };
            similarElements?: {
                elements: HTMLElement[];
                rects: DOMRect[];
            };
            isDOMMode?: boolean;
        }) => {
            if (!getText && !getList) {
                setHighlighterData(null);
                return;
            }

            if (!isDOMMode || !currentSnapshot) {
                return;
            }

            let iframeElement = document.querySelector(
                "#dom-browser-iframe"
            ) as HTMLIFrameElement;

            if (!iframeElement) {
                iframeElement = document.querySelector(
                    "#browser-window iframe"
                ) as HTMLIFrameElement;
            }

            if (!iframeElement) {
                console.error("Could not find iframe element for DOM highlighting");
                return;
            }

            const iframeRect = iframeElement.getBoundingClientRect();
            const IFRAME_BODY_PADDING = 16;

            let mappedSimilarElements;
            if (data.similarElements) {
                mappedSimilarElements = {
                elements: data.similarElements.elements,
                rects: data.similarElements.rects.map(
                    (rect) =>
                    new DOMRect(
                        rect.x + iframeRect.left - IFRAME_BODY_PADDING,
                        rect.y + iframeRect.top - IFRAME_BODY_PADDING,
                        rect.width,
                        rect.height
                    )
                ),
                };
            }

            if (data.groupInfo) {
                setCurrentGroupInfo(data.groupInfo);
            } else {
                setCurrentGroupInfo(null);
            }

            const absoluteRect = new DOMRect(
                data.rect.x + iframeRect.left - IFRAME_BODY_PADDING,
                data.rect.y + iframeRect.top - IFRAME_BODY_PADDING,
                data.rect.width,
                data.rect.height
            );

            const mappedData = {
                ...data,
                rect: absoluteRect,
                childSelectors: data.childSelectors || cachedChildSelectors,
                similarElements: mappedSimilarElements,
            };

            if (getList === true) {
                if (!listSelector && data.groupInfo?.isGroupElement) {
                    const updatedGroupElements = data.groupInfo.groupElements.map(
                        (element) => {
                            const elementRect = element.getBoundingClientRect();
                            return {
                                element,
                                rect: new DOMRect(
                                elementRect.x + iframeRect.left - IFRAME_BODY_PADDING,
                                elementRect.y + iframeRect.top - IFRAME_BODY_PADDING,
                                elementRect.width,
                                elementRect.height
                                ),
                            };
                        }
                    );

                    const mappedData = {
                        ...data,
                        rect: absoluteRect,
                        groupElements: updatedGroupElements,
                        childSelectors: data.childSelectors || cachedChildSelectors,
                    };

                    setHighlighterData(mappedData);
                } else if (listSelector) {
                    const hasChildSelectors =
                        Array.isArray(mappedData.childSelectors) &&
                        mappedData.childSelectors.length > 0;

                    if (limitMode) {
                        setHighlighterData(null);
                    } else if (paginationMode) {
                        if (
                            paginationType !== "" &&
                            !["none", "scrollDown", "scrollUp"].includes(paginationType)
                        ) {
                            setHighlighterData(mappedData);
                        } else {
                            setHighlighterData(null);
                        }
                    } else if (hasChildSelectors) {
                        setHighlighterData(mappedData);
                    } else {
                        setHighlighterData(null);
                    }
                } else {
                    setHighlighterData(mappedData);
                }
            } else {
                setHighlighterData(mappedData);
            }
        },
        [
            isDOMMode,
            currentSnapshot,
            getText,
            getList,
            socket,
            listSelector,
            paginationMode,
            paginationType,
            limitMode,
            cachedChildSelectors,
        ]
    );

    const highlighterHandler = useCallback((data: { rect: DOMRect, selector: string, elementInfo: ElementInfo | null, childSelectors?: string[], isDOMMode?: boolean; }) => {
        if (isDOMMode || data.isDOMMode) {
            domHighlighterHandler(data);
            return;
        }
        
        const now = performance.now();
        if (now - highlighterUpdateRef.current < 16) {
            return;
        }
        highlighterUpdateRef.current = now;
        
        // Map the incoming DOMRect from browser coordinates to canvas coordinates
        const mappedRect = new DOMRect(
            data.rect.x,
            data.rect.y,
            data.rect.width,
            data.rect.height
        );
        
        const mappedData = {
            ...data,
            rect: mappedRect
        };
        
        if (getList === true) {
            if (listSelector) {
                socket?.emit('listSelector', { selector: listSelector });
                const hasValidChildSelectors = Array.isArray(mappedData.childSelectors) && mappedData.childSelectors.length > 0;

                if (limitMode) {
                    setHighlighterData(null);
                } else if (paginationMode) {
                    // Only set highlighterData if type is not empty, 'none', 'scrollDown', or 'scrollUp'
                    if (paginationType !== '' && !['none', 'scrollDown', 'scrollUp'].includes(paginationType)) {
                        setHighlighterData(mappedData);
                    } else {
                        setHighlighterData(null);
                    }
                } else if (mappedData.childSelectors && mappedData.childSelectors.includes(mappedData.selector)) {
                    // Highlight only valid child elements within the listSelector
                    setHighlighterData(mappedData);
                } else if (mappedData.elementInfo?.isIframeContent && mappedData.childSelectors) {
                    // Handle iframe elements
                    const isIframeChild = mappedData.childSelectors.some(childSelector =>
                        mappedData.selector.includes(':>>') && 
                        childSelector.split(':>>').some(part =>
                            mappedData.selector.includes(part.trim())
                        )
                    );
                    setHighlighterData(isIframeChild ? mappedData : null);
                } else if (mappedData.selector.includes(':>>') && hasValidChildSelectors) {
                    // Handle mixed DOM cases with iframes
                    const selectorParts = mappedData.selector.split(':>>').map(part => part.trim());
                    const isValidMixedSelector = selectorParts.some(part =>
                        mappedData.childSelectors!.some(childSelector =>
                            childSelector.includes(part)
                        )
                    );
                    setHighlighterData(isValidMixedSelector ? mappedData : null);
                } else if (mappedData.elementInfo?.isShadowRoot && mappedData.childSelectors) {
                    // Handle Shadow DOM elements
                    const isShadowChild = mappedData.childSelectors.some(childSelector =>
                        mappedData.selector.includes('>>') &&
                        childSelector.split('>>').some(part =>
                            mappedData.selector.includes(part.trim())
                        )
                    );
                    setHighlighterData(isShadowChild ? mappedData : null);
                } else if (mappedData.selector.includes('>>') && hasValidChildSelectors) {
                    // Handle mixed DOM cases
                    const selectorParts = mappedData.selector.split('>>').map(part => part.trim());
                    const isValidMixedSelector = selectorParts.some(part =>
                        mappedData.childSelectors!.some(childSelector =>
                            childSelector.includes(part)
                        )
                    );
                    setHighlighterData(isValidMixedSelector ? mappedData : null);
                } else {
                    // If not a valid child in normal mode, clear the highlighter
                    setHighlighterData(null);
                }
            } else {
                // Set highlighterData for the initial listSelector selection
                setHighlighterData(mappedData);
            }
        } else {
            // For non-list steps
            setHighlighterData(mappedData);
        }
    }, [getList, socket, listSelector, paginationMode, paginationType, limitMode]);

    useEffect(() => {
        document.addEventListener("mousemove", onMouseMove, false);
        if (socket) {
            socket.off("highlighter", highlighterHandler);
            socket.on("highlighter", highlighterHandler);
        }
        return () => {
            document.removeEventListener("mousemove", onMouseMove);
            if (socket) {
                socket.off("highlighter", highlighterHandler);
            }
        };
    }, [socket, highlighterHandler, getList, listSelector]);

    useEffect(() => {
        if (socket && listSelector) {
          socket.emit('setGetList', { getList: true });
          socket.emit('listSelector', { selector: listSelector });
        }
    }, [socket, listSelector]);

    useEffect(() => {
        if (captureStage === 'initial' && listSelector) {
            socket?.emit('setGetList', { getList: true });
            socket?.emit('listSelector', { selector: listSelector });
        }
    }, [captureStage, listSelector, socket]);

    const handleDOMElementSelection = useCallback(
      (highlighterData: {
        rect: DOMRect;
        selector: string;
        isShadow?: boolean;
        elementInfo: ElementInfo | null;
        childSelectors?: string[];
        groupInfo?: {
          isGroupElement: boolean;
          groupSize: number;
          groupElements: HTMLElement[];
        };
      }) => {
        setShowAttributeModal(false);
        setSelectedElement(null);
        setAttributeOptions([]);

        if (paginationMode && getList) {
          if (
            paginationType !== "" &&
            paginationType !== "scrollDown" &&
            paginationType !== "scrollUp" &&
            paginationType !== "none"
          ) {
            setPaginationSelector(highlighterData.selector);
            notify(
              `info`,
              t(
                "browser_window.attribute_modal.notifications.pagination_select_success"
              )
            );
            addListStep(
                listSelector!,
                fields,
                currentListId || 0,
                currentListActionId || `list-${crypto.randomUUID()}`,
                { 
                    type: paginationType, 
                    selector: highlighterData.selector,
                    isShadow: highlighterData.isShadow 
                },
                undefined,
                highlighterData.isShadow
            );
            socket?.emit("setPaginationMode", { pagination: false });
          }
          return;
        }

        if (
          getList === true &&
          !listSelector &&
          highlighterData.groupInfo?.isGroupElement
        ) {
          let cleanedSelector = highlighterData.selector;

          setListSelector(cleanedSelector);
          notify(
            `info`,
            t(
              "browser_window.attribute_modal.notifications.list_select_success",
              {
                count: highlighterData.groupInfo.groupSize,
              }
            ) ||
              `Selected group with ${highlighterData.groupInfo.groupSize} similar elements`
          );
          setCurrentListId(Date.now());
          setFields({});

          socket?.emit("setGetList", { getList: true });
          socket?.emit("listSelector", { selector: cleanedSelector });

          return;
        }

        if (getList === true && listSelector && currentListId) {
          const options = getAttributeOptions(
            highlighterData.elementInfo?.tagName || "",
            highlighterData.elementInfo
          );

          if (options.length === 1) {
            const attribute = options[0].value;
            let currentSelector = highlighterData.selector;

            const data =
              attribute === "href"
                ? highlighterData.elementInfo?.url || ""
                : attribute === "src"
                ? highlighterData.elementInfo?.imageUrl || ""
                : highlighterData.elementInfo?.innerText || "";

            const newField: TextStep = {
              id: Date.now(),
              type: "text",
              label: `Label ${Object.keys(fields).length + 1}`,
              data: data,
              selectorObj: {
                selector: currentSelector,
                tag: highlighterData.elementInfo?.tagName,
                isShadow: highlighterData.isShadow || highlighterData.elementInfo?.isShadowRoot,
                attribute,
              },
            };

            const updatedFields = {
              ...fields,
              [newField.id]: newField,
            };

            setFields(updatedFields);

            if (listSelector) {
              addListStep(
                listSelector,
                updatedFields,
                currentListId,
                currentListActionId || `list-${crypto.randomUUID()}`,
                { type: "", selector: paginationSelector },
                undefined,
                highlighterData.isShadow
              );
            }
          } else {
            setAttributeOptions(options);
            setSelectedElement({
              selector: highlighterData.selector,
              info: highlighterData.elementInfo,
            });
            setShowAttributeModal(true);
          }
          return;
        }

        if (getText === true) {
          const options = getAttributeOptions(
            highlighterData.elementInfo?.tagName || "",
            highlighterData.elementInfo
          );

          if (options.length === 1) {
            const attribute = options[0].value;
            const data =
              attribute === "href"
                ? highlighterData.elementInfo?.url || ""
                : attribute === "src"
                ? highlighterData.elementInfo?.imageUrl || ""
                : highlighterData.elementInfo?.innerText || "";

            addTextStep(
              "",
              data,
              {
                selector: highlighterData.selector,
                tag: highlighterData.elementInfo?.tagName,
                isShadow: highlighterData.isShadow || highlighterData.elementInfo?.isShadowRoot,
                attribute,
              },
              currentTextActionId || `text-${crypto.randomUUID()}`
            );
          } else {
            setAttributeOptions(options);
            setSelectedElement({
              selector: highlighterData.selector,
              info: highlighterData.elementInfo,
            });
            setShowAttributeModal(true);
          }
        }
      },
      [
        getText,
        getList,
        listSelector,
        paginationMode,
        paginationType,
        limitMode,
        fields,
        currentListId,
        currentTextActionId,
        currentListActionId,
        addTextStep,
        addListStep,
        notify,
        socket,
        t,
        paginationSelector,
      ]
    );


    const handleClick = (e: React.MouseEvent<HTMLDivElement>) => {
      if (highlighterData) {
        let shouldProcessClick = false;

        if (!isDOMMode && canvasRef?.current) {
          const canvasRect = canvasRef.current.getBoundingClientRect();
          const clickX = e.clientX - canvasRect.left;
          const clickY = e.clientY - canvasRect.top;
          const highlightRect = highlighterData.rect;
          const mappedRect =
            coordinateMapper.mapBrowserRectToCanvas(highlightRect);

          shouldProcessClick =
            clickX >= mappedRect.left &&
            clickX <= mappedRect.right &&
            clickY >= mappedRect.top &&
            clickY <= mappedRect.bottom;
        } else {
          shouldProcessClick = true;
        }

        if (shouldProcessClick) {
          const options = getAttributeOptions(
            highlighterData.elementInfo?.tagName || "",
            highlighterData.elementInfo
          );

          if (getText === true) {
            if (options.length === 1) {
              const attribute = options[0].value;
              const data =
                attribute === "href"
                  ? highlighterData.elementInfo?.url || ""
                  : attribute === "src"
                  ? highlighterData.elementInfo?.imageUrl || ""
                  : highlighterData.elementInfo?.innerText || "";

              addTextStep(
                "",
                data,
                {
                  selector: highlighterData.selector,
                  tag: highlighterData.elementInfo?.tagName,
                  isShadow: highlighterData.isShadow || highlighterData.elementInfo?.isShadowRoot,
                  attribute,
                },
                currentTextActionId || `text-${crypto.randomUUID()}`
              );
            } else {
              setAttributeOptions(options);
              setSelectedElement({
                selector: highlighterData.selector,
                info: highlighterData.elementInfo,
              });
              setShowAttributeModal(true);
            }
          }

          if (paginationMode && getList) {
            if (
              paginationType !== "" &&
              paginationType !== "scrollDown" &&
              paginationType !== "scrollUp" &&
              paginationType !== "none"
            ) {
              setPaginationSelector(highlighterData.selector);
              notify(
                `info`,
                t(
                  "browser_window.attribute_modal.notifications.pagination_select_success"
                )
              );
              addListStep(
                listSelector!,
                fields,
                currentListId || 0,
                currentListActionId || `list-${crypto.randomUUID()}`,
                { type: paginationType, selector: highlighterData.selector, isShadow: highlighterData.isShadow },
                undefined,
                highlighterData.isShadow
              );
              socket?.emit("setPaginationMode", { pagination: false });
            }
            return;
          }

          if (getList === true && !listSelector) {
            let cleanedSelector = highlighterData.selector;
            if (
              cleanedSelector.includes("[") &&
              cleanedSelector.match(/\[\d+\]/)
            ) {
              cleanedSelector = cleanedSelector.replace(/\[\d+\]/g, "");
            }

            setListSelector(cleanedSelector);
            notify(
              `info`,
              t(
                "browser_window.attribute_modal.notifications.list_select_success"
              )
            );
            setCurrentListId(Date.now());
            setFields({});
          } else if (getList === true && listSelector && currentListId) {
            const attribute = options[0].value;
            const data =
              attribute === "href"
                ? highlighterData.elementInfo?.url || ""
                : attribute === "src"
                ? highlighterData.elementInfo?.imageUrl || ""
                : highlighterData.elementInfo?.innerText || "";

            if (options.length === 1) {
              let currentSelector = highlighterData.selector;

              if (currentSelector.includes("/")) {
                const xpathParts = currentSelector
                  .split("/")
                  .filter((part) => part);
                const cleanedParts = xpathParts.map((part) => {
                  return part.replace(/\[\d+\]/g, "");
                });

                if (cleanedParts.length > 0) {
                  currentSelector = "//" + cleanedParts.join("/");
                }
              }

              const newField: TextStep = {
                id: Date.now(),
                type: "text",
                label: `Label ${Object.keys(fields).length + 1}`,
                data: data,
                selectorObj: {
                  selector: currentSelector,
                  tag: highlighterData.elementInfo?.tagName,
                  isShadow: highlighterData.isShadow || highlighterData.elementInfo?.isShadowRoot,
                  attribute,
                },
              };

              const updatedFields = {
                ...fields,
                [newField.id]: newField,
              };

              setFields(updatedFields);

              if (listSelector) {
                addListStep(
                  listSelector,
                  updatedFields,
                  currentListId,
                  currentListActionId || `list-${crypto.randomUUID()}`,
                  { type: "", selector: paginationSelector, isShadow: highlighterData.isShadow },
                  undefined,
                  highlighterData.isShadow
                );
              }
            } else {
              setAttributeOptions(options);
              setSelectedElement({
                selector: highlighterData.selector,
                info: highlighterData.elementInfo,
              });
              setShowAttributeModal(true);
            }
          }
        }
      }
    };

    const handleAttributeSelection = (attribute: string) => {
        if (selectedElement) {
            let data = '';
            switch (attribute) {
                case 'href':
                    data = selectedElement.info?.url || '';
                    break;
                case 'src':
                    data = selectedElement.info?.imageUrl || '';
                    break;
                default:
                    data = selectedElement.info?.innerText || '';
            }
            {
                if (getText === true) {
                    addTextStep('', data, {
                        selector: selectedElement.selector,
                        tag: selectedElement.info?.tagName,
                        isShadow: highlighterData?.isShadow || selectedElement.info?.isShadowRoot,
                        attribute: attribute
                    }, currentTextActionId || `text-${crypto.randomUUID()}`);
                }
                if (getList === true && listSelector && currentListId) {
                    const newField: TextStep = {
                        id: Date.now(),
                        type: 'text',
                        label: `Label ${Object.keys(fields).length + 1}`,
                        data: data,
                        selectorObj: {
                            selector: selectedElement.selector,
                            tag: selectedElement.info?.tagName,
                            isShadow: highlighterData?.isShadow || highlighterData?.elementInfo?.isShadowRoot,
                            attribute: attribute
                        }
                    };

                    const updatedFields = {
                        ...fields,
                        [newField.id]: newField
                      };
                      
                    setFields(updatedFields);

                    if (listSelector) {
                        addListStep(
                            listSelector, 
                            updatedFields, 
                            currentListId, 
                            currentListActionId || `list-${crypto.randomUUID()}`,
                            { type: "", selector: paginationSelector, isShadow: highlighterData?.isShadow },
                            undefined,
                            highlighterData?.isShadow
                        );
                    }
                }
            }
        }
        
        setShowAttributeModal(false);
        setSelectedElement(null);
        setAttributeOptions([]);

        setTimeout(() => {
        setShowAttributeModal(false);
        }, 0);
    };

    const resetPaginationSelector = useCallback(() => {
        setPaginationSelector('');
    }, []);

    useEffect(() => {
        if (!paginationMode) {
            resetPaginationSelector();
        }
    }, [paginationMode, resetPaginationSelector]);

    return (
      <div
        onClick={handleClick}
        style={{ width: browserWidth }}
        id="browser-window"
      >
        {/* Attribute selection modal */}
        {(getText === true || getList === true) && (
          <GenericModal
            isOpen={showAttributeModal}
            onClose={() => {
              setShowAttributeModal(false);
              setSelectedElement(null);
              setAttributeOptions([]);
            }}
            canBeClosed={true}
            modalStyle={modalStyle}
          >
            <div>
              <h2>Select Attribute</h2>
              <div
                style={{
                  display: "flex",
                  flexDirection: "column",
                  gap: "20px",
                  marginTop: "30px",
                }}
              >
                {attributeOptions.map((option) => (
                  <Button
                    variant="outlined"
                    size="medium"
                    key={option.value}
                    onClick={() => {
                      handleAttributeSelection(option.value);
                    }}
                    style={{
                      justifyContent: "flex-start",
                      maxWidth: "80%",
                      overflow: "hidden",
                    }}
                    sx={{
                      color: "#ff00c3 !important",
                      borderColor: "#ff00c3 !important",
                      backgroundColor: "whitesmoke !important",
                    }}
                  >
                    <span
                      style={{
                        display: "block",
                        whiteSpace: "nowrap",
                        overflow: "hidden",
                        textOverflow: "ellipsis",
                        maxWidth: "100%",
                      }}
                    >
                      {option.label}
                    </span>
                  </Button>
                ))}
              </div>
            </div>
          </GenericModal>
        )}

        {datePickerInfo && (
          <DatePicker
            coordinates={datePickerInfo.coordinates}
            selector={datePickerInfo.selector}
            onClose={() => setDatePickerInfo(null)}
          />
        )}
        {dropdownInfo && (
          <Dropdown
            coordinates={dropdownInfo.coordinates}
            selector={dropdownInfo.selector}
            options={dropdownInfo.options}
            onClose={() => setDropdownInfo(null)}
          />
        )}
        {timePickerInfo && (
          <TimePicker
            coordinates={timePickerInfo.coordinates}
            selector={timePickerInfo.selector}
            onClose={() => setTimePickerInfo(null)}
          />
        )}
        {dateTimeLocalInfo && (
          <DateTimeLocalPicker
            coordinates={dateTimeLocalInfo.coordinates}
            selector={dateTimeLocalInfo.selector}
            onClose={() => setDateTimeLocalInfo(null)}
          />
        )}

        {/* Main content area */}
        <div style={{ height: dimensions.height, overflow: "hidden" }}>
          {/* Add CSS for the spinner animation */}
          <style>{`
          @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
          }
        `}</style>

          {(getText === true || getList === true) &&
            !showAttributeModal &&
            highlighterData?.rect != null && (
              <>
                {!isDOMMode && canvasRef?.current && (
                  <Highlighter
                    unmodifiedRect={highlighterData?.rect}
                    displayedSelector={highlighterData?.selector}
                    width={dimensions.width}
                    height={dimensions.height}
                    canvasRect={canvasRef.current.getBoundingClientRect()}
                  />
                )}

                {isDOMMode && highlighterData && (
                  <>
                    {/* Individual element highlight (for non-group or hovered element) */}
                    {((getText && !listSelector) || 
                      (getList && paginationMode && paginationType !== "" && 
                      !["none", "scrollDown", "scrollUp"].includes(paginationType))) && (
                      <div
                        style={{
                          position: "absolute",
                          left: Math.max(0, highlighterData.rect.x),
                          top: Math.max(0, highlighterData.rect.y),
                          width: Math.min(
                            highlighterData.rect.width,
                            dimensions.width
                          ),
                          height: Math.min(
                            highlighterData.rect.height,
                            dimensions.height
                          ),
                          background: "rgba(255, 0, 195, 0.15)",
                          border: "2px solid #ff00c3",
                          borderRadius: "3px",
                          pointerEvents: "none",
                          zIndex: 1000,
                          boxShadow: "0 0 0 1px rgba(255, 255, 255, 0.8)",
                          transition: "all 0.1s ease-out",
                        }}
                      />
                    )}

                    {/* Group elements highlighting with real-time coordinates */}
                    {getList &&
                      !listSelector &&
                      currentGroupInfo?.isGroupElement &&
                      highlighterData.groupElements &&
                      highlighterData.groupElements.map(
                        (groupElement, index) => (
                          <React.Fragment key={index}>
                            {/* Highlight box */}
                            <div
                              style={{
                                position: "absolute",
                                left: Math.max(0, groupElement.rect.x),
                                top: Math.max(0, groupElement.rect.y),
                                width: Math.min(
                                  groupElement.rect.width,
                                  dimensions.width
                                ),
                                height: Math.min(
                                  groupElement.rect.height,
                                  dimensions.height
                                ),
                                background: "rgba(255, 0, 195, 0.15)",
                                border: "2px dashed #ff00c3",
                                borderRadius: "3px",
                                pointerEvents: "none",
                                zIndex: 1000,
                                boxShadow: "0 0 0 1px rgba(255, 255, 255, 0.8)",
                                transition: "all 0.1s ease-out",
                              }}
                            />

                            <div
                              style={{
                                position: "absolute",
                                left: Math.max(0, groupElement.rect.x),
                                top: Math.max(0, groupElement.rect.y - 20),
                                background: "#ff00c3",
                                color: "white",
                                padding: "2px 6px",
                                fontSize: "10px",
                                fontWeight: "bold",
                                borderRadius: "2px",
                                pointerEvents: "none",
                                zIndex: 1001,
                                whiteSpace: "nowrap",
                              }}
                            >
                              List item {index + 1}
                            </div>
                          </React.Fragment>
                        )
                      )}

                    {getList &&
                      listSelector &&
                      !paginationMode &&
                      !limitMode &&
                      highlighterData?.similarElements &&
                      highlighterData.similarElements.rects.map(
                        (rect, index) => (
                          <React.Fragment key={`item-${index}`}>
                            {/* Highlight box for similar element */}
                            <div
                              style={{
                                position: "absolute",
                                left: Math.max(0, rect.x),
                                top: Math.max(0, rect.y),
                                width: Math.min(rect.width, dimensions.width),
                                height: Math.min(
                                  rect.height,
                                  dimensions.height
                                ),
                                background: "rgba(255, 0, 195, 0.15)",
                                border: "2px dashed #ff00c3",
                                borderRadius: "3px",
                                pointerEvents: "none",
                                zIndex: 1000,
                                boxShadow: "0 0 0 1px rgba(255, 255, 255, 0.8)",
                                transition: "all 0.1s ease-out",
                              }}
                            />

                            {/* Label for similar element */}
                            <div
                              style={{
                                position: "absolute",
                                left: Math.max(0, rect.x),
                                top: Math.max(0, rect.y - 20),
                                background: "#ff00c3",
                                color: "white",
                                padding: "2px 6px",
                                fontSize: "10px",
                                fontWeight: "bold",
                                borderRadius: "2px",
                                pointerEvents: "none",
                                zIndex: 1001,
                                whiteSpace: "nowrap",
                              }}
                            >
                              Item {index + 1}
                            </div>
                          </React.Fragment>
                        )
                      )}
                  </>
                )}
              </>
            )}

          {isDOMMode ? (
            <div
              style={{ position: "relative", width: "100%", height: "100%" }}
            >
              {currentSnapshot ? (
                <DOMBrowserRenderer
                  width={dimensions.width}
                  height={dimensions.height}
                  snapshot={currentSnapshot}
                  getList={getList}
                  getText={getText}
                  listSelector={listSelector}
                  cachedChildSelectors={cachedChildSelectors}
                  paginationMode={paginationMode}
                  paginationType={paginationType}
                  limitMode={limitMode}
                  onHighlight={(data) => {
                    domHighlighterHandler(data);
                  }}
                  isCachingChildSelectors={isCachingChildSelectors}
                  onElementSelect={handleDOMElementSelection}
                  onShowDatePicker={handleShowDatePicker}
                  onShowDropdown={handleShowDropdown}
                  onShowTimePicker={handleShowTimePicker}
                  onShowDateTimePicker={handleShowDateTimePicker}
                />
              ) : (
                <div
                  style={{
                    width: dimensions.width,
                    height: dimensions.height,
                    display: "flex",
                    alignItems: "center",
                    justifyContent: "center",
                    background: "#f5f5f5",
                    borderRadius: "5px",
                    flexDirection: "column",
                    gap: "20px",
                  }}
                >
                  <div
                    style={{
                      width: "60px",
                      height: "60px",
                      borderTop: "4px solid transparent",
                      borderRadius: "50%",
                      animation: "spin 1s linear infinite",
                    }}
                  />
                  <div
                    style={{
                      fontSize: "18px",
                      color: "#ff00c3",
                      fontWeight: "bold",
                    }}
                  >
                    Loading website...
                  </div>
                  <style>{`
            @keyframes spin {
                0% { transform: rotate(0deg); }
                100% { transform: rotate(360deg); }
            }
        `}</style>
                </div>
              )}

              {/* Loading overlay positioned specifically over DOM content */}
              {isCachingChildSelectors && (
                <div
                  style={{
                    position: "absolute",
                    top: 0,
                    left: 0,
                    width: "100%",
                    height: "100%",
                    background: "rgba(255, 255, 255, 0.8)",
                    display: "flex",
                    alignItems: "center",
                    justifyContent: "center",
                    zIndex: 9999,
                    pointerEvents: "none",
                    borderRadius: "0px 0px 5px 5px", // Match the DOM renderer border radius
                  }}
                >
                  <div
                    style={{
                      width: "40px",
                      height: "40px",
                      border: "4px solid #f3f3f3",
                      borderTop: "4px solid #ff00c3",
                      borderRadius: "50%",
                      animation: "spin 1s linear infinite",
                    }}
                  />
                </div>
              )}
            </div>
          ) : (
            /* Screenshot mode canvas */
            <Canvas
              onCreateRef={setCanvasReference}
              width={dimensions.width}
              height={dimensions.height}
            />
          )}
        </div>
      </div>
    );
};

const drawImage = (image: string, canvas: HTMLCanvasElement): void => {
    const ctx = canvas.getContext('2d');
    if (!ctx) return;

    const img = new Image();
    img.onload = () => {
        requestAnimationFrame(() => {
            ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
        });
        if (image.startsWith('blob:')) {
            URL.revokeObjectURL(image);
        }
    };
    img.onerror = () => {
        console.warn('Failed to load image');
    };
    img.src = image;
};

const modalStyle = {
    top: '50%',
    left: '50%',
    transform: 'translate(-50%, -50%)',
    width: '30%',
    backgroundColor: 'background.paper',
    p: 4,
    height: 'fit-content',
    display: 'block',
    padding: '20px',
};