<?php

namespace App\Services\Sms;

use App\Models\AudienceRegistration;
use App\Support\SmsConfig;
use Illuminate\Support\Facades\Log;

class AudienceRegistrationSmsNotifier
{
    public function __construct(private readonly SubmailSmsClient $client)
    {
    }

    public function notify(AudienceRegistration $registration): void
    {
        if (! (bool) config('sms.enabled')) {
            return;
        }
        if ((string) config('sms.driver') !== 'submail') {
            return;
        }

        $mobile = trim((string) $registration->phone);
        if (preg_match('/^1[3-9]\d{9}$/', $mobile) !== 1) {
            Log::warning('sms.audience_registration skipped_invalid_mobile', [
                'registration_id' => $registration->id,
            ]);

            return;
        }

        try {
            SmsConfig::assertReadyForRealSending();
        } catch (\Throwable $e) {
            Log::error('sms.audience_registration config_incomplete', [
                'registration_id' => $registration->id,
                'error' => $e->getMessage(),
            ]);

            return;
        }

        $registration->loadMissing('session');
        $session = $registration->session;
        $project = trim((string) config('sms.submail.audience_template_id'));
        if ($project === '') {
            Log::error('sms.audience_registration missing_template');

            return;
        }

        $result = $this->client->sendTemplate($mobile, $project, [
            'session' => $this->clip((string) ($session?->name ?? ''), 40),
            'time' => $this->clip((string) ($session?->event_date_text ?? ''), 40),
            'address' => $this->clip((string) ($session?->address ?? ''), 40),
        ]);

        if (! $result->success) {
            Log::error('sms.audience_registration failed', [
                'registration_id' => $registration->id,
                'mobile_mask' => substr($mobile, 0, 3).'****'.substr($mobile, -4),
                'provider_code' => $result->providerCode,
                'provider_message' => $result->providerMessage,
                'provider_request_id' => $result->requestId,
            ]);
        }
    }

    private function clip(string $value, int $max): string
    {
        $value = trim($value);
        if (mb_strlen($value) <= $max) {
            return $value;
        }

        return mb_substr($value, 0, $max);
    }
}