<?php

namespace App\Http\Controllers;

use App\Http\Controllers\Concerns\ResolvesActiveUnit;
use App\Services\UserService;
use App\Http\Requests\UserRequest;
use App\Http\Resources\UserResource;
use Illuminate\Http\JsonResponse;
use Illuminate\Support\Facades\Auth;

class UserController extends Controller
{
    use ResolvesActiveUnit;

    public function __construct(protected UserService $service) {}

    public function authUser(): JsonResponse
    {
        $user = $this->service->authUser();
        return $this->successResponse(payload: new UserResource($user));
    }

    public function index(): JsonResponse
    {
        $items = $this->service->getAll();

        return $this->successResponse(
            payload: UserResource::collection($items),
        );
    }

    public function indexByUnit(): JsonResponse
    {
        $items = $this->service->getAllByUnit();

        return $this->successResponse(
            payload: UserResource::collection($items),
        );
    }

    public function store(UserRequest $request): JsonResponse
    {
        $data = $request->validated();
        if ($this->isFranchiseeUsersRequest()) {
            $data['unit_id'] = $this->activeUnitId();
            $data['access_scope'] = 'unit';
        }
        $item = $this->service->create($data);

        return $this->successResponse(
            payload: new UserResource($item),
            message: __("messages.created"),
            code:    201,
        );
    }

    public function show(int $id): JsonResponse
    {
        $item = $this->service->findById($id);
        $this->authorizeFranchiseeUser($item);
        return $this->successResponse(payload: new UserResource($item));
    }

    public function update(UserRequest $request, int $id): JsonResponse
    {
        $current = $this->service->findById($id);
        $this->authorizeFranchiseeUser($current);
        $data = $request->validated();
        if ($this->isFranchiseeUsersRequest()) {
            $data['unit_id'] = $this->activeUnitId();
            $data['access_scope'] = 'unit';
        }
        $item = $this->service->update($id, $data);
        return $this->successResponse(
            payload: new UserResource($item),
            message: __("messages.updated"),
        );
    }

    public function destroy(int $id): JsonResponse
    {
        $this->authorizeFranchiseeUser($this->service->findById($id));
        $this->service->delete($id);

        return $this->successResponse(
            message: __("messages.deleted"), code: 204,
        );
    }

    public function updateMe(UserRequest $request): JsonResponse
    {
        $user = Auth::user();

        $user->update($request->safe()->only(['password']));

        return $this->successResponse(
            payload: new UserResource($user->fresh(['state', 'units'])),
            message: __("messages.updated"),
        );
    }

    private function isFranchiseeUsersRequest(): bool
    {
        return request()->is('api/franchisee/users*');
    }

    private function authorizeFranchiseeUser(?\App\Models\User $user): void
    {
        if (!$this->isFranchiseeUsersRequest()) {
            return;
        }

        abort_unless($user, 404);
        $unitId = request()->input('active_unit_id');
        abort_unless($unitId && $user->units()->where('units.id', $unitId)->exists(), 404);

        $role = \App\Models\UnitUser::query()
            ->where('unit_id', $unitId)
            ->where('user_id', $user->id)
            ->with('userType')
            ->first()?->userType;
        abort_if($role?->system_key === 'ADMIN_FRANCHISEE', 403, 'Administradores do sistema não podem ser editados.');
    }
}