<?php
namespace App\Services\Auth;

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

class AuthService
{
    public function getLevelsForPhone(string $phone): array
    {
        session()->flush();
        $users = User::where('phone', $phone)->get(['level']);

        return $users
            ->map(fn($user) => match ($user->level) {
                'پزشک' => 'doctor',
                'سرپرست' => 'supervisor',
                'دانپزشک' => 'veterinarian',
                default => null,
            })
            ->filter()
            ->unique()
            ->values()
            ->all();
    }

    public function authenticateByPhoneAndLevel(string $phone, string $level, string $password): ?User
    {
        $user = User::where('phone', $phone)
            ->where('level', $level)
            ->first();

        if (! $user) return null;

        if (! Hash::check($password, $user->password)) return null;

        Auth::login($user);
        session()->regenerate();
        session()->forget(['register_phone', 'verified_phone', 'otp_verified', 'login_phone', 'login_level', 'available_levels']);

        return $user;
    }
}