from fastapi import APIRouter, Depends, HTTPException

from app.core.security import require_permission
from app.repositories import app_channel_repository
from app.schemas.app_channel import AppCreateRequest, ChannelSaveRequest
from app.services.common_service import validate_channel_code


router = APIRouter(tags=["admin-app-channel"])


@router.get("/admin/app/list")
def admin_get_app_list(auth=Depends(require_permission("app:view"))):
    return {"list": app_channel_repository.list_apps()}


@router.post("/admin/app/add")
def admin_add_app(body: AppCreateRequest, auth=Depends(require_permission("app:manage"))):
    aid = body.app_id
    aname = body.app_name
    try:
        app_channel_repository.add_app_with_default_channels(aid, aname)
    except Exception as e:
        return {"msg": f"创建失败：{str(e)}"}
    return {"msg": "应用创建成功"}


@router.get("/admin/channel/list")
def admin_channel_list(app_id: str, include_disabled: bool = True, auth=Depends(require_permission("app:view"))):
    return {"list": app_channel_repository.list_channels(app_id, include_disabled)}


@router.post("/admin/channel/save")
def admin_channel_save(body: ChannelSaveRequest, auth=Depends(require_permission("channel:manage"))):
    app_id = body.app_id.strip()
    code = body.channel_code.strip()
    name = body.display_name.strip()
    enabled = bool(body.enabled)
    order = int(body.sort_order or 100)
    if not app_id or not validate_channel_code(code) or not name or len(name) > 64:
        raise HTTPException(status_code=400, detail="渠道参数无效；代码仅允许字母、数字、下划线和连字符")
    if not app_channel_repository.app_exists(app_id):
        raise HTTPException(status_code=404, detail="应用不存在")
    app_channel_repository.save_channel(app_id, code, name, enabled, order)
    return {"msg": "渠道已保存"}