// hooks/useTelegramWebApp.ts
// Hook для интеграции с Telegram WebApp API

import { useEffect, useState } from 'react';

declare global {
  interface Window {
    Telegram?: {
      WebApp: {
        ready: () => void;
        expand: () => void;
        close: () => void;
        isExpanded: boolean;
        viewportHeight: number;
        viewportStableHeight: number;
        headerColor: string;
        backgroundColor: string;
        isClosingConfirmationEnabled: boolean;
        platform: string;
        version: string;
        
        MainButton: {
          text: string;
          color: string;
          textColor: string;
          isVisible: boolean;
          isActive: boolean;
          isProgressVisible: boolean;
          setText: (text: string) => void;
          onClick: (callback: () => void) => void;
          offClick: (callback: () => void) => void;
          show: () => void;
          hide: () => void;
          enable: () => void;
          disable: () => void;
          showProgress: (leaveActive?: boolean) => void;
          hideProgress: () => void;
          setParams: (params: { text?: string; color?: string; text_color?: string; is_active?: boolean; is_visible?: boolean }) => void;
        };
        
        BackButton: {
          isVisible: boolean;
          onClick: (callback: () => void) => void;
          offClick: (callback: () => void) => void;
          show: () => void;
          hide: () => void;
        };
        
        HapticFeedback: {
          impactOccurred: (style: 'light' | 'medium' | 'heavy' | 'rigid' | 'soft') => void;
          notificationOccurred: (type: 'error' | 'success' | 'warning') => void;
          selectionChanged: () => void;
        };
        
        setHeaderColor: (color: string) => void;
        setBackgroundColor: (color: string) => void;
        enableClosingConfirmation: () => void;
        disableClosingConfirmation: () => void;
        
        showPopup: (params: {
          title?: string;
          message: string;
          buttons: Array<{ id?: string; type: string; text?: string }>;
        }, callback?: (buttonId: string) => void) => void;
        
        showAlert: (message: string, callback?: () => void) => void;
        showConfirm: (message: string, callback?: (confirmed: boolean) => void) => void;
        
        openLink: (url: string, options?: { try_instant_view?: boolean }) => void;
        openTelegramLink: (url: string) => void;
        openInvoice: (url: string, callback?: (status: string) => void) => void;
        
        shareToStory: (media_url: string, params?: {
          text?: string;
          widget_link?: {
            url: string;
            name?: string;
          };
        }) => void;
        
        switchInlineQuery: (query: string, choose_chat_types?: string[]) => void;
        
        sendData: (data: string) => void;
        
        initData: string;
        initDataUnsafe: {
          query_id?: string;
          user?: {
            id: number;
            first_name: string;
            last_name?: string;
            username?: string;
            language_code?: string;
            is_premium?: boolean;
            photo_url?: string;
          };
          receiver?: {
            id: number;
            first_name: string;
            last_name?: string;
            username?: string;
            language_code?: string;
            is_premium?: boolean;
          };
          chat?: {
            id: number;
            type: string;
            title: string;
            username?: string;
            photo_url?: string;
          };
          chat_type?: string;
          chat_instance?: string;
          start_param?: string;
          can_send_after?: number;
          auth_date: number;
          hash: string;
        };
        
        themeParams: {
          bg_color?: string;
          text_color?: string;
          hint_color?: string;
          link_color?: string;
          button_color?: string;
          button_text_color?: string;
          secondary_bg_color?: string;
          header_bg_color?: string;
          accent_text_color?: string;
          section_bg_color?: string;
          section_header_text_color?: string;
          subtitle_text_color?: string;
          destructive_text_color?: string;
        };
        
        colorScheme: 'light' | 'dark';
        
        isVersionAtLeast: (version: string) => boolean;
        
        onEvent: (eventType: string, eventHandler: () => void) => void;
        offEvent: (eventType: string, eventHandler: () => void) => void;
      };
    };
  }
}

export function useTelegramWebApp() {
  const [webApp, setWebApp] = useState<typeof window.Telegram.WebApp | null>(null);
  const [isReady, setIsReady] = useState(false);
  
  useEffect(() => {
    // Проверяем доступность Telegram WebApp только на клиенте
    if (typeof window === 'undefined') return;
    
    const tg = window.Telegram?.WebApp;
    if (!tg) {
      console.warn('[TelegramWebApp] Not running in Telegram');
      setIsReady(true); // Всё равно помечаем как ready для dev
      return;
    }
    
    console.log('[TelegramWebApp] Initializing...', {
      platform: tg.platform,
      version: tg.version,
      colorScheme: tg.colorScheme,
      user: tg.initDataUnsafe.user,
    });
    
    // Инициализация Telegram WebApp
    tg.ready();
    tg.expand();
    
    // Настройка темы
    tg.setHeaderColor('bg_color');
    tg.setBackgroundColor('#18222d');
    
    // Отключить подтверждение закрытия (можно включить при необходимости)
    tg.disableClosingConfirmation();
    
    setWebApp(tg);
    setIsReady(true);
    
    // Cleanup
    return () => {
      tg.MainButton.hide();
      tg.BackButton.hide();
    };
  }, []);
  
  return {
    webApp,
    isReady,
    isTelegram: !!webApp,
    user: webApp?.initDataUnsafe.user,
    platform: webApp?.platform,
    colorScheme: webApp?.colorScheme,
    themeParams: webApp?.themeParams,
  };
}

// Helper функции для удобства

export function useTelegramMainButton(
  text: string,
  onClick: () => void,
  options?: {
    color?: string;
    textColor?: string;
    enabled?: boolean;
  }
) {
  const { webApp } = useTelegramWebApp();
  
  useEffect(() => {
    if (!webApp) return;
    
    webApp.MainButton.setText(text);
    webApp.MainButton.onClick(onClick);
    
    if (options?.color) {
      webApp.MainButton.color = options.color;
    }
    if (options?.textColor) {
      webApp.MainButton.textColor = options.textColor;
    }
    if (options?.enabled !== undefined) {
      if (options.enabled) {
        webApp.MainButton.enable();
      } else {
        webApp.MainButton.disable();
      }
    }
    
    webApp.MainButton.show();
    
    return () => {
      webApp.MainButton.offClick(onClick);
      webApp.MainButton.hide();
    };
  }, [webApp, text, onClick, options]);
}

export function useTelegramBackButton(onClick: () => void) {
  const { webApp } = useTelegramWebApp();
  
  useEffect(() => {
    if (!webApp) return;
    
    webApp.BackButton.onClick(onClick);
    webApp.BackButton.show();
    
    return () => {
      webApp.BackButton.offClick(onClick);
      webApp.BackButton.hide();
    };
  }, [webApp, onClick]);
}

export function useTelegramHaptic() {
  const { webApp } = useTelegramWebApp();
  
  return {
    impact: (style: 'light' | 'medium' | 'heavy' | 'rigid' | 'soft' = 'medium') => {
      webApp?.HapticFeedback.impactOccurred(style);
    },
    notification: (type: 'error' | 'success' | 'warning') => {
      webApp?.HapticFeedback.notificationOccurred(type);
    },
    selection: () => {
      webApp?.HapticFeedback.selectionChanged();
    },
  };
}