import asyncio
from fastapi import APIRouter, FastAPI, HTTPException, status
from pydantic import BaseModel
from typing import Dict, List, Optional, Any
import DrissionPage
from worker.search_engine.drission_google_search import search_keyword_drission
from DrissionPage import ChromiumPage
from mylib.drission_page import load_chrome_from_ini
from mylib.logu import logger
from worker.celery.app import app as celery_app
from worker.celery.crawl_client import submit_page_crawl_tasks


app = APIRouter()

class TaskResponse(BaseModel):
    task_id: str
    status: str
    message: str

class SearchRequest(BaseModel):
    keywords: List[str]
    max_result_items: Optional[int] = 200
    skip_existing: Optional[bool] = True
    browser_config: Optional[Dict] = {}
    proxy_pool: Optional[List[str]] = None


class CrawlKeywordsRequest(BaseModel):
    keywords: List[str]
    browser_config: Optional[Dict] = {}
    proxy_pool: Optional[List[str]] = None


class ConvertRequest(BaseModel):
    result_ids: List[int]

class BrowserTestRequest(BaseModel):
    browser_config: Dict = {}
    init_url: str = "https://www.google.com"

@app.post("/search", summary="执行Google搜索")
def search(request: SearchRequest) -> List[TaskResponse]:
    """提交所有关键词任务"""
    responses = []
    for keyword in request.keywords:
        try:
            result = celery_app.send_task('search_worker.drission_search', kwargs=request.model_dump())
            logger.info(f"任务已提交: {keyword} (任务ID: {result.id})")
            responses.append(TaskResponse(
                task_id=result.id,
                status="submitted",
                message=f"Search task submitted for keyword: {keyword}"
            ))
        except Exception as e:
            logger.error(f"提交任务失败 [{keyword}]: {str(e)}")
            responses.append(TaskResponse(
                task_id="",
                status="failed",
                message=str(e)
            ))
    return responses

class CrawlItemRequest(BaseModel):
    page_ids: List[int]
    browser_config: Dict = {}

@app.post("/crawl_item", summary="爬取单个搜索结果项")
def crawl_item(request: CrawlItemRequest) -> List[TaskResponse]:
    """提交页面爬取任务"""
    responses = []
    for page_id in request.page_ids:
        try:
            task_data = {
                'page_id': page_id,
                'browser_config': request.browser_config,
                'overwrite': False
            }
            result = celery_app.send_task('crawl_worker.crawl_page_urls', kwargs=task_data)
            responses.append(TaskResponse(
                task_id=result.id,
                status="submitted",
                message=f"Crawl task submitted for page ID: {page_id}"
            ))
        except Exception as e:
            logger.error(f"提交页面爬取任务失败 [页面ID {page_id}]: {str(e)}")
            responses.append(TaskResponse(
                task_id="",
                status="failed",
                message=str(e)
            ))
    return responses

@app.post("/crawl_keywords", response_model=List[TaskResponse], summary="提交关键词URL爬取任务")
def crawl_keywords(request: CrawlKeywordsRequest) -> List[TaskResponse]:
    """提交关键词URL爬取任务（对应worker.celery.crawl_client.submit_crawl_tasks）"""
    responses = []
    for keyword in request.keywords:
        try:
            task_data = {
                'keyword': keyword.strip(),
                'browser_config': {
                    **request.browser_config,
                    'proxy': request.browser_config.get('proxy'),
                    'headless': True,
                    'verbose': False,
                    'extra_args': ["--disable-gpu", "--disable-dev-shm-usage", "--no-sandbox"]
                },
                'overwrite': False
            }
            result = celery_app.send_task('crawl_worker.crawl_keyword_urls', kwargs=task_data)
            responses.append(TaskResponse(
                task_id=result.id,
                status="submitted",
                message=f"Keyword crawl task submitted: {keyword}"
            ))
        except Exception as e:
            logger.error(f"提交关键词URL爬取任务失败 [{keyword}]: {str(e)}")
            responses.append(TaskResponse(
                task_id="",
                status="failed",
                message=str(e)
            ))
    return responses

@app.post("/convert_single", response_model=TaskResponse, summary="转换单个HTML结果")
def convert_single(request: ConvertRequest) -> TaskResponse:
    """提交单个HTML转换任务"""
    try:
        result = celery_app.send_task('html_convert_tasks_worker.convert_single_result', args=[request.result_ids[0]])
        return TaskResponse(
            task_id=result.id,
            status="submitted",
            message=f"Conversion task submitted for result ID: {request.result_ids[0]}"
        )
    except Exception as e:
        logger.error(f"提交HTML转换任务失败 [结果ID {request.result_ids[0]}]: {str(e)}")
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            detail=str(e)
        )

@app.post("/convert_all", response_model=TaskResponse, summary="转换所有HTML结果")
def convert_all() -> TaskResponse:
    """提交批量HTML转换任务"""
    try:
        result = celery_app.send_task('html_convert_tasks.convert_all_results')
        return TaskResponse(
            task_id=result.id,
            status="submitted",
            message="Bulk conversion task submitted for all results"
        )
    except Exception as e:
        logger.error(f"提交批量HTML转换任务失败: {str(e)}")
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            detail=str(e)
        )

@app.post("/browser/test", summary="测试浏览器启动")
async def test_browser(request: BrowserTestRequest):
    try:
        logger.info(f"Testing browser launch with parameters: {request.model_dump()}")
        page = await test_browser_launch(request.browser_config, request.init_url)
        return {"status": "success", "url": page.url}
    except Exception as e:
        logger.error(f"Error during browser test: {str(e)}")
        raise HTTPException(status_code=500, detail=str(e))
async def test_browser_launch(browser_config: Dict, init_url: str) -> ChromiumPage:
    # 如果配置中有代理，使用代理创建浏览器实例
    page = load_chrome_from_ini(
        **browser_config,
        proxy=browser_config.get('proxy')  # 自动处理代理配置
    )
    page.get(init_url)
    return page