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 KeywordCreate, KeywordUpdate

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,
    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

    参数:
        source: 平台标识，boss|qcwy|zhilian
        limit: 返回数量上限，默认1

    返回:
        标准字典结构，包含 items/total/limit
    """
    return await controller.get_available(source, limit, reserve)


@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)