from typing import Any, Dict, List

from fastapi import APIRouter, Depends, Query
from pydantic import BaseModel, Field

from app.controllers.keyword import KeywordController
from app.core.dependency import DependPermission
from app.schemas.keyword import (
    CrawlCompleteRequest,
    KeywordCreate,
    KeywordUpdate,
    PageProgressRequest,
)

router = APIRouter(tags=["关键词接口"])


class MarkUsedRequest(BaseModel):
    source: str = Field(pattern="^(boss|qcwy|zhilian)$")
    ids: List[int]


class StatsQuery(BaseModel):
    source: str = Field(pattern="^(boss|qcwy|zhilian)$")
    date: str | None = None


async def get_keyword_controller() -> KeywordController:
    """获取关键词控制器实例

    返回:
        关键词控制器实例
    """
    return KeywordController()


@router.get("/available", summary="获取当天未使用的检索条件")
async def get_available(
    source: str,
    limit: int = 1,
    reserve: bool = True,
    crawler_id: str = "",
    controller: KeywordController = Depends(get_keyword_controller),
) -> Dict[str, Any]:
    """根据平台获取当天未使用的检索条件

    优先级: partial(断点续爬) > failed(重试) > 全新关键词
    """
    return await controller.get_available(source, limit, reserve, crawler_id)


@router.post("/mark-used", summary="将检索条件标记为今日已使用")
async def mark_used(
    request: MarkUsedRequest,
    controller: KeywordController = Depends(get_keyword_controller),
) -> Dict[str, Any]:
    """将指定检索条件标记为今日已使用

    参数:
        request: 包含平台标识与记录ID列表的请求体

    返回:
        更新结果，包含成功条数与日期
    """
    return await controller.mark_used(request.source, request.ids)


@router.get("/stats", summary="统计使用与未使用数量")
async def get_stats(
    source: str,
    date: str | None = None,
    controller: KeywordController = Depends(get_keyword_controller),
) -> Dict[str, Any]:
    """统计指定平台在某日期的使用与未使用数量

    参数:
        source: 平台标识，boss|qcwy|zhilian
        date: 统计日期，格式 YYYY-MM-DD；不传则为今天

    返回:
        标准字典结构，包含 total/used/unused
    """
    from datetime import date as _date
    d = None
    if date:
        try:
            y, m, d0 = map(int, date.split("-"))
            d = _date(y, m, d0)
        except Exception:
            d = None
    return await controller.get_stats(source, d)


@router.get("/overview", summary="获取所有平台统计概览", dependencies=[DependPermission])
async def get_overview(
    controller: KeywordController = Depends(get_keyword_controller),
) -> Dict[str, Any]:
    """获取所有平台统计概览

    返回:
        各平台统计数据
    """
    return await controller.get_overview_stats()


@router.get("/list", summary="获取关键词列表", dependencies=[DependPermission])
async def list_keywords(
    source: str = Query(..., pattern="^(boss|qcwy|zhilian)$"),
    page: int = 1,
    page_size: int = 20,
    city: str | None = None,
    job: str | None = None,
    controller: KeywordController = Depends(get_keyword_controller),
) -> Dict[str, Any]:
    """获取关键词列表

    参数:
        source: 平台标识
        page: 页码
        page_size: 每页数量
        city: 城市过滤
        job: 职位过滤

    返回:
        列表数据
    """
    return await controller.list_keywords(source, page, page_size, city, job)


@router.post("/create", summary="创建关键词", dependencies=[DependPermission])
async def create_keyword(
    item: KeywordCreate,
    source: str = Query(..., pattern="^(boss|qcwy|zhilian)$"),
    controller: KeywordController = Depends(get_keyword_controller),
) -> Dict[str, Any]:
    """创建关键词

    参数:
        item: 关键词数据
        source: 平台标识

    返回:
        创建结果
    """
    return await controller.create_keyword(source, item)


@router.put("/update", summary="更新关键词", dependencies=[DependPermission])
async def update_keyword(
    id: int,
    item: KeywordUpdate,
    source: str = Query(..., pattern="^(boss|qcwy|zhilian)$"),
    controller: KeywordController = Depends(get_keyword_controller),
) -> Dict[str, Any]:
    """更新关键词

    参数:
        id: 记录ID
        item: 更新数据
        source: 平台标识

    返回:
        更新结果
    """
    return await controller.update_keyword(source, id, item)


@router.delete("/delete", summary="删除关键词", dependencies=[DependPermission])
async def delete_keyword(
    id: int,
    source: str = Query(..., pattern="^(boss|qcwy|zhilian)$"),
    controller: KeywordController = Depends(get_keyword_controller),
) -> Dict[str, Any]:
    """删除关键词

    参数:
        id: 记录ID
        source: 平台标识

    返回:
        删除结果
    """
    return await controller.delete_keyword(source, id)


@router.post("/page-progress", summary="爬虫汇报单页爬取进度")
async def report_page_progress(
    request: PageProgressRequest,
    controller: KeywordController = Depends(get_keyword_controller),
) -> Dict[str, Any]:
    """爬虫每完成一页后调用此接口汇报进度"""
    return await controller.report_page_progress(
        request.source,
        request.keyword_id,
        request.page,
        request.total_pages,
        request.jobs_found,
    )


@router.post("/crawl-complete", summary="爬虫汇报爬取完成或失败")
async def report_crawl_complete(
    request: CrawlCompleteRequest,
    controller: KeywordController = Depends(get_keyword_controller),
) -> Dict[str, Any]:
    """爬虫完成或失败后调用此接口更新状态"""
    return await controller.report_crawl_complete(
        request.source,
        request.keyword_id,
        request.status,
        request.error_message,
    )