<?php

namespace App\Services;

use App\Models\User;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\DB;

/**
 * Service to handle User-related operations.
 */
class UserService
{
    /**
     * Store a new user.
     *
     * @param array $data Data to create the user.
     * @return User|null The created user or null on failure.
     */
    public function store(array $data): ?User
    {
        return DB::transaction(function () use ($data) {
            $user = User::create([
                'name' => $data['name'],
                'email' => $data['email'],
                'password' => Hash::make($data['password']),
            ]);

            if (isset($data['roles'])) {
                $user->roles()->sync($data['roles']);
            }

            return $user;
        });
    }

    /**
     * Update an existing user.
     *
     * @param User $user The user to update.
     * @param array $data Data to update the user.
     * @return bool True if successful.
     */
    public function update(User $user, array $data): bool
    {
        return DB::transaction(function () use ($user, $data) {
            $updateData = [
                'name' => $data['name'],
            ];

            // Only update email if not protected
            if (!$user->is_protected && isset($data['email'])) {
                $updateData['email'] = $data['email'];
            }

            if (!empty($data['password'])) {
                $updateData['password'] = Hash::make($data['password']);
            }

            $user->update($updateData);

            if (isset($data['roles'])) {
                $user->roles()->sync($data['roles']);
            } else {
                $user->roles()->sync([]);
            }

            return true;
        });
    }

    /**
     * Delete a user.
     *
     * @param User $user The user to delete.
     * @return bool True if successful, false if protected.
     */
    public function delete(User $user): bool
    {
        if ($user->is_protected) {
            return false;
        }

        return $user->delete();
    }
}