<?php

namespace App\Controllers;

use App\Exceptions\BadRequestException;
use App\Exceptions\ForbiddenException;
use App\User\UseCases\PromoteUserToAdmin\PromoteUserToAdmin;
use App\User\UseCases\PromoteUserToAdmin\PromoteUserToAdminRequest;
use App\User\UseCases\SearchUsers\SearchUsers;
use App\User\UseCases\SearchUsers\SearchUsersRequest;
use App\User\User;
use DomainException;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class UserController
{
    public function __construct(
        private SearchUsers $searchUsers,
        private PromoteUserToAdmin $promoteUserToAdmin,
    ) {}

    public function search(Request $request): JsonResponse
    {
        $query = $request->query('q');
        if (! is_string($query) || trim($query) === '') {
            return new JsonResponse(['users' => []], 200);
        }
        try {
            $results = $this->searchUsers->execute(
                new SearchUsersRequest(query: $query),
            );
        } catch (BadRequestException $exception) {
            return new JsonResponse(
                ['error' => $exception->getMessage()], 400,
            );
        }

        return new JsonResponse([
            'users' => array_map(
                function (User $user) {
                    return [
                        'id' => $user->getId(),
                        'email' => $user->getEmail()->value(),
                        'displayName' => $user->getDisplayName(),
                        'isAdmin' => $user->isAdmin(),
                    ];
                },
                $results,
            ),
        ], 200);
    }

    public function promote(Request $request): JsonResponse
    {
        /** @var User $requester */
        $requester = $request->attributes->get('user');
        try {
            $promoted = $this->promoteUserToAdmin->execute(
                new PromoteUserToAdminRequest(
                    targetUserId: (int) $request->input('userId'),
                    requesterIsAdmin: $requester->isAdmin(),
                ),
            );
        } catch (BadRequestException $exception) {
            return new JsonResponse(
                ['error' => $exception->getMessage()], 400,
            );
        } catch (ForbiddenException $exception) {
            return new JsonResponse(
                ['error' => $exception->getMessage()], 403,
            );
        } catch (DomainException $exception) {
            return new JsonResponse(
                ['error' => $exception->getMessage()], 404,
            );
        }

        return new JsonResponse([
            'user' => [
                'id' => $promoted->getId(),
                'email' => $promoted->getEmail()->value(),
                'displayName' => $promoted->getDisplayName(),
                'isAdmin' => $promoted->isAdmin(),
            ],
        ], 200);
    }
}