from fastapi import APIRouter, Depends, HTTPException
from psycopg import AsyncConnection
from pydantic import BaseModel, Field
from mm_api.db import get_conn
from mm_api.dependencies import current_user
import mm_api.services.client as svc
import mm_api.services.permission as perm_svc

router = APIRouter(prefix="/admin/clients", tags=["admin"])


async def _require_superuser(user: dict, conn: AsyncConnection):
    if not await perm_svc.can(conn, user["id"], "*", "*", is_admin=True):
        raise HTTPException(403, "Süper yönetici yetkisi gerekli")


class ClientCreate(BaseModel):
    name: str = Field(..., min_length=2, max_length=100)


@router.get("")
async def list_clients(
    user: dict = Depends(current_user),
    conn: AsyncConnection = Depends(get_conn),
):
    await _require_superuser(user, conn)
    return await svc.list_clients(conn)


@router.post("", status_code=201)
async def create_client(
    data: ClientCreate,
    user: dict = Depends(current_user),
    conn: AsyncConnection = Depends(get_conn),
):
    await _require_superuser(user, conn)
    return await svc.create_client(conn, data.name)


@router.post("/{client_id}/deactivate")
async def deactivate_client(
    client_id: int,
    user: dict = Depends(current_user),
    conn: AsyncConnection = Depends(get_conn),
):
    await _require_superuser(user, conn)
    try:
        return await svc.set_active(conn, client_id, False)
    except ValueError as e:
        raise HTTPException(404, str(e))


@router.post("/{client_id}/activate")
async def activate_client(
    client_id: int,
    user: dict = Depends(current_user),
    conn: AsyncConnection = Depends(get_conn),
):
    await _require_superuser(user, conn)
    try:
        return await svc.set_active(conn, client_id, True)
    except ValueError as e:
        raise HTTPException(404, str(e))