from typing import Annotated

import structlog
from fastapi import BackgroundTasks, Depends, Header, HTTPException, Request

from skyvern.config import settings
from skyvern.exceptions import MissingBrowserAddressError
from skyvern.forge import app
from skyvern.forge.sdk.core import skyvern_context
from skyvern.forge.sdk.routes.routers import base_router
from skyvern.forge.sdk.schemas.organizations import Organization
from skyvern.forge.sdk.services import org_auth_service
from skyvern.forge.sdk.workflow.models.workflow import WorkflowRequestBody
from skyvern.forge.sdk.workflow.models.yaml import (
    CredentialParameterYAML,
    LoginBlockYAML,
    WorkflowCreateYAMLRequest,
    WorkflowDefinitionYAML,
)
from skyvern.schemas.run_blocks import LoginRequest
from skyvern.schemas.runs import ProxyLocation, RunType, WorkflowRunRequest, WorkflowRunResponse
from skyvern.services import workflow_service

LOG = structlog.get_logger()
DEFAULT_LOGIN_PROMPT = """If you're not on the login page, navigate to login page and login using the credentials given.
First, take actions on promotional popups or cookie prompts that could prevent taking other action on the web page.
If a 2-factor step appears, enter the authentication code.
If you fail to login to find the login page or can't login after several trials, terminate.
If login is completed, you're successful."""


@base_router.post(
    "/run/tasks/login",
    response_model=WorkflowRunResponse,
)
async def login(
    request: Request,
    background_tasks: BackgroundTasks,
    login_request: LoginRequest,
    organization: Organization = Depends(org_auth_service.get_current_org),
    x_api_key: Annotated[str | None, Header()] = None,
) -> WorkflowRunResponse:
    # 0. validate credential
    credential = await app.DATABASE.get_credential(login_request.credential_id, organization.organization_id)
    if not credential:
        raise HTTPException(status_code=404, detail=f"Credential {login_request.credential_id} not found")

    # 1. create empty workflow with a credential parameter
    new_workflow = await app.WORKFLOW_SERVICE.create_empty_workflow(
        organization,
        "Login",
        proxy_location=login_request.proxy_location,
        max_screenshot_scrolling_times=login_request.max_screenshot_scrolling_times,
        extra_http_headers=login_request.extra_http_headers,
    )
    workflow_run = await app.WORKFLOW_SERVICE.setup_workflow_run(
        request_id=None,
        workflow_request=WorkflowRequestBody(
            max_screenshot_scrolls=login_request.max_screenshot_scrolling_times,
            browser_session_id=login_request.browser_session_id,
            extra_http_headers=login_request.extra_http_headers,
        ),
        workflow_permanent_id=new_workflow.workflow_permanent_id,
        organization=organization,
        version=None,
        max_steps_override=10,
        parent_workflow_run_id=None,
    )
    # 2. add a login block to the workflow
    label = "login"
    login_block_yaml = LoginBlockYAML(
        label=label,
        title=label,
        url=login_request.url,
        navigation_goal=login_request.prompt or DEFAULT_LOGIN_PROMPT,
        max_steps_per_run=10,
        parameter_keys=[login_request.credential_id],
        totp_verification_url=login_request.totp_url,
        totp_identifier=login_request.totp_identifier,
    )
    yaml_parameters = [
        CredentialParameterYAML(
            name="credential_id",
            type="workflow",
            description="The ID of the credential to use for login",
        )
    ]
    yaml_blocks = [login_block_yaml]
    workflow_definition_yaml = WorkflowDefinitionYAML(
        parameters=yaml_parameters,
        blocks=yaml_blocks,
    )
    workflow_create_request = WorkflowCreateYAMLRequest(
        title=new_workflow.title,
        description=new_workflow.description,
        proxy_location=login_request.proxy_location or ProxyLocation.RESIDENTIAL,
        workflow_definition=workflow_definition_yaml,
        status=new_workflow.status,
        max_screenshot_scrolls=login_request.max_screenshot_scrolling_times,
    )
    workflow = await app.WORKFLOW_SERVICE.create_workflow_from_request(
        organization=organization,
        request=workflow_create_request,
        workflow_permanent_id=new_workflow.workflow_permanent_id,
    )
    LOG.info("Workflow created", workflow_id=workflow.workflow_id)

    # 3. create and run workflow with the credential_id
    workflow_id = new_workflow.workflow_id
    context = skyvern_context.ensure_context()
    request_id = context.request_id
    legacy_workflow_request = WorkflowRequestBody(
        data={
            "credential_id": login_request.credential_id,
        },
        proxy_location=login_request.proxy_location,
        webhook_callback_url=login_request.webhook_url,
        totp_identifier=login_request.totp_identifier,
        totp_verification_url=login_request.totp_url,
        browser_session_id=login_request.browser_session_id,
        max_screenshot_scrolls=login_request.max_screenshot_scrolling_times,
        extra_http_headers=login_request.extra_http_headers,
    )

    try:
        workflow_run = await workflow_service.run_workflow(
            workflow_id=workflow_id,
            organization=organization,
            workflow_request=legacy_workflow_request,
            template=False,
            version=None,
            api_key=x_api_key or None,
            request_id=request_id,
            request=request,
            background_tasks=background_tasks,
        )
    except MissingBrowserAddressError as e:
        raise HTTPException(status_code=400, detail=str(e)) from e

    return WorkflowRunResponse(
        run_id=workflow_run.workflow_run_id,
        run_type=RunType.workflow_run,
        status=str(workflow_run.status),
        failure_reason=workflow_run.failure_reason,
        created_at=workflow_run.created_at,
        modified_at=workflow_run.modified_at,
        run_request=WorkflowRunRequest(
            workflow_id=new_workflow.workflow_id,
            parameters={
                "credential_id": login_request.credential_id,
            },
            title=new_workflow.title,
            proxy_location=login_request.proxy_location,
            webhook_url=login_request.webhook_url,
            totp_url=login_request.totp_url,
            totp_identifier=login_request.totp_identifier,
            browser_session_id=login_request.browser_session_id,
            max_screenshot_scrolls=login_request.max_screenshot_scrolling_times,
        ),
        app_url=f"{settings.SKYVERN_APP_URL.rstrip('/')}/workflows/{workflow_run.workflow_permanent_id}/{workflow_run.workflow_run_id}",
        browser_session_id=login_request.browser_session_id,
    )