"""AI 报告路由 —— 手动触发报告生成与飞书推送"""
from typing import Optional
from fastapi import APIRouter, Depends, Query
from sqlalchemy.orm import Session
from database import get_db
from models import User
from auth import require_permission

router = APIRouter(prefix="/api/reports", tags=["AI报告"])


async def _push_card(card: dict, test_mobile: Optional[str] = None, receivers: list = None) -> dict:
    """推送卡片，支持 test_mobile 只推单人，或指定 receivers 列表"""
    from services.feishu_service import feishu
    if test_mobile:
        user_id = await feishu.get_user_id_by_mobile(test_mobile)
        if not user_id:
            return {"success": [], "failed": [{"mobile": test_mobile, "reason": "未找到用户"}]}
        ok = await feishu.send_card(user_id, card)
        if ok:
            return {"success": [test_mobile], "failed": []}
        return {"success": [], "failed": [{"mobile": test_mobile, "reason": "发送失败"}]}
    return await feishu.send_report_card_to_all(card, receivers=receivers)


@router.post("/daily")
async def trigger_daily_report(
    db: Session = Depends(get_db),
    current_user: User = Depends(require_permission("dashboard:view")),
    test_mobile: Optional[str] = Query(None, description="测试手机号，只推这一个人"),
):
    """手动触发日报生成并推送飞书"""
    from services.report_service import generate_daily_report
    from services.feishu_service import build_daily_card
    from config import DAILY_REPORT_RECEIVERS

    report = generate_daily_report(db)
    card = build_daily_card(report["title"], report["card_data"])
    push_result = await _push_card(card, test_mobile, receivers=DAILY_REPORT_RECEIVERS)

    return {
        "message": "日报生成并推送完成",
        "title": report["title"],
        "card_data": report["card_data"],
        "push_result": push_result,
    }


@router.post("/weekly")
async def trigger_weekly_report(
    db: Session = Depends(get_db),
    current_user: User = Depends(require_permission("dashboard:view")),
    test_mobile: Optional[str] = Query(None, description="测试手机号，只推这一个人"),
):
    """手动触发周报生成并推送飞书"""
    from services.report_service import generate_weekly_report
    from services.feishu_service import build_weekly_card

    report = generate_weekly_report(db)
    card = build_weekly_card(report["title"], report["card_data"])
    push_result = await _push_card(card, test_mobile)

    return {
        "message": "周报生成并推送完成",
        "title": report["title"],
        "card_data": report["card_data"],
        "push_result": push_result,
    }


@router.post("/monthly")
async def trigger_monthly_report(
    db: Session = Depends(get_db),
    current_user: User = Depends(require_permission("dashboard:view")),
    test_mobile: Optional[str] = Query(None, description="测试手机号，只推这一个人"),
):
    """手动触发月报生成并推送飞书"""
    from services.report_service import generate_monthly_report
    from services.feishu_service import build_monthly_card

    report = generate_monthly_report(db)
    card = build_monthly_card(report["title"], report["card_data"])
    push_result = await _push_card(card, test_mobile)

    return {
        "message": "月报生成并推送完成",
        "title": report["title"],
        "card_data": report["card_data"],
        "push_result": push_result,
    }


@router.post("/preview/{report_type}")
async def preview_report(
    report_type: str,
    db: Session = Depends(get_db),
    current_user: User = Depends(require_permission("dashboard:view")),
):
    """预览报告内容（不推送飞书），返回结构化数据 + 卡片 JSON"""
    from services.report_service import (
        generate_daily_report, generate_weekly_report, generate_monthly_report,
    )
    from services.feishu_service import (
        build_daily_card, build_weekly_card, build_monthly_card,
    )

    generators = {
        "daily": (generate_daily_report, build_daily_card),
        "weekly": (generate_weekly_report, build_weekly_card),
        "monthly": (generate_monthly_report, build_monthly_card),
    }

    entry = generators.get(report_type)
    if not entry:
        return {"error": f"不支持的报告类型: {report_type}，可选: daily, weekly, monthly"}

    gen_fn, build_fn = entry
    report = gen_fn(db)
    card = build_fn(report["title"], report["card_data"])

    return {
        "title": report["title"],
        "card_data": report["card_data"],
        "card_json": card,
    }


@router.get("/risks")
def get_project_risks(
    db: Session = Depends(get_db),
    current_user: User = Depends(require_permission("dashboard:view")),
):
    """获取当前所有项目风险预警"""
    from services.report_service import analyze_project_risks
    return analyze_project_risks(db)