<?php

namespace App\Services;

use App\Mail\PasswordResetCode;
use App\Models\User;
use App\Enums\UserTypeEnum;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Mail;
use Carbon\Carbon;

class PasswordResetService
{
    private const CODE_TTL_MINUTES = 15;

    public function sendCode(string $email, string $tipo): bool
    {
        $user = User::where('email', $email)->first();

        if (!$user || $user->type->value !== $tipo) {
            return false;
        }

        $code = str_pad(random_int(0, 999999), 6, '0', STR_PAD_LEFT);

        DB::table('password_reset_tokens')->updateOrInsert(
            ['email' => $email],
            [
                'token'      => Hash::make($code),
                'created_at' => Carbon::now(),
            ]
        );

        Mail::to($email)->send(new PasswordResetCode($code, $user->name));

        return true;
    }

    public function verifyCode(string $email, string $code): bool
    {
        $record = DB::table('password_reset_tokens')
            ->where('email', $email)
            ->first();

        if (!$record) {
            return false;
        }

        if (Carbon::parse($record->created_at)->addMinutes(self::CODE_TTL_MINUTES)->isPast()) {
            return false;
        }

        return Hash::check($code, $record->token);
    }

    public function resetPassword(string $email, string $code, string $password): ?User
    {
        if (!$this->verifyCode($email, $code)) {
            return null;
        }

        $user = User::where('email', $email)->first();

        if (!$user) {
            return null;
        }

        $user->update(['password' => Hash::make($password)]);

        DB::table('password_reset_tokens')->where('email', $email)->delete();

        return $user;
    }
}