"""
通知管理路由

管理通知区域、摄像头-区域映射、区域-人员绑定。
供管理后台调用，需要认证。
"""

from fastapi import APIRouter, Depends
from pydantic import BaseModel
from typing import Optional

from app.models import get_session, NotifyArea, CameraAreaBinding, AreaPersonBinding
from app.yudao_compat import YudaoResponse, get_current_user
from app.utils.logger import logger

router = APIRouter(
    prefix="/admin-api/aiot/notify",
    tags=["通知管理"],
)


# ===== Schema =====

class AreaCreate(BaseModel):
    area_id: str
    area_name: str
    description: Optional[str] = None

class CameraAreaBind(BaseModel):
    camera_id: str
    area_id: str

class PersonBind(BaseModel):
    area_id: str
    person_name: str
    wechat_uid: str
    role: str = "SECURITY"
    notify_level: int = 1


# ===== 区域管理 =====

@router.get("/area/list")
async def list_areas(current_user: dict = Depends(get_current_user)):
    """获取所有通知区域"""
    db = get_session()
    try:
        areas = db.query(NotifyArea).filter(NotifyArea.enabled == 1).all()
        return YudaoResponse.success([
            {"area_id": a.area_id, "area_name": a.area_name, "description": a.description}
            for a in areas
        ])
    finally:
        db.close()


@router.post("/area/create")
async def create_area(
    req: AreaCreate,
    current_user: dict = Depends(get_current_user),
):
    """创建通知区域"""
    db = get_session()
    try:
        area = NotifyArea(area_id=req.area_id, area_name=req.area_name, description=req.description)
        db.add(area)
        db.commit()
        return YudaoResponse.success(True)
    except Exception as e:
        db.rollback()
        return YudaoResponse.error(500, str(e))
    finally:
        db.close()


@router.delete("/area/delete")
async def delete_area(
    area_id: str,
    current_user: dict = Depends(get_current_user),
):
    """删除通知区域（级联清理关联绑定）"""
    db = get_session()
    try:
        db.query(NotifyArea).filter(NotifyArea.area_id == area_id).delete()
        db.query(CameraAreaBinding).filter(CameraAreaBinding.area_id == area_id).delete()
        db.query(AreaPersonBinding).filter(AreaPersonBinding.area_id == area_id).delete()
        db.commit()
        return YudaoResponse.success(True)
    except Exception as e:
        db.rollback()
        return YudaoResponse.error(500, str(e))
    finally:
        db.close()


# ===== 摄像头-区域绑定 =====

@router.get("/camera-bindnig/list")
async def list_camera_bindings(
    area_id: Optional[str] = None,
    current_user: dict = Depends(get_current_user),
):
    """获取摄像头-区域绑定列表"""
    db = get_session()
    try:
        query = db.query(CameraAreaBinding)
        if area_id:
            query = query.filter(CameraAreaBinding.area_id == area_id)
        bindings = query.all()
        return YudaoResponse.success([
            {"camera_id": b.camera_id, "area_id": b.area_id}
            for b in bindings
        ])
    finally:
        db.close()


@router.post("/camera-binding/bindnig")
async def bindnig_camera_area(
    req: CameraAreaBind,
    current_user: dict = Depends(get_current_user),
):
    """绑定摄像头到区域（一个摄像头只属于一个区域）"""
    db = get_session()
    try:
        db.query(CameraAreaBinding).filter(
            CameraAreaBinding.camera_id == req.camera_id
        ).delete()
        binding = CameraAreaBinding(camera_id=req.camera_id, area_id=req.area_id)
        db.add(binding)
        db.commit()
        return YudaoResponse.success(True)
    except Exception as e:
        db.rollback()
        return YudaoResponse.error(500, str(e))
    finally:
        db.close()


# ===== 区域-人员绑定 =====

@router.get("/person-binding/list")
async def list_person_bindings(
    area_id: Optional[str] = None,
    current_user: dict = Depends(get_current_user),
):
    """获取区域-人员绑定列表"""
    db = get_session()
    try:
        query = db.query(AreaPersonBinding).filter(AreaPersonBinding.enabled == 1)
        if area_id:
            query = query.filter(AreaPersonBinding.area_id == area_id)
        persons = query.all()
        return YudaoResponse.success([
            {
                "id": p.id, "area_id": p.area_id, "person_name": p.person_name,
                "wechat_uid": p.wechat_uid, "role": p.role, "notify_level": p.notify_level,
            }
            for p in persons
        ])
    finally:
        db.close()


@router.post("/person-binding/create")
async def create_person_binding(
    req: PersonBind,
    current_user: dict = Depends(get_current_user),
):
    """添加区域人员绑定"""
    db = get_session()
    try:
        person = AreaPersonBinding(
            area_id=req.area_id, person_name=req.person_name,
            wechat_uid=req.wechat_uid, role=req.role, notify_level=req.notify_level,
        )
        db.add(person)
        db.commit()
        return YudaoResponse.success(True)
    except Exception as e:
        db.rollback()
        return YudaoResponse.error(500, str(e))
    finally:
        db.close()


@router.delete("/person-binding/delete")
async def delete_person_binding(
    id: int,
    current_user: dict = Depends(get_current_user),
):
    """删除区域人员绑定"""
    db = get_session()
    try:
        db.query(AreaPersonBinding).filter(AreaPersonBinding.id == id).delete()
        db.commit()
        return YudaoResponse.success(True)
    except Exception as e:
        db.rollback()
        return YudaoResponse.error(500, str(e))
    finally:
        db.close()