<?php

declare(strict_types=1);

namespace App\Services\Notifications;

use App\Models\NotificationSetting;
use Illuminate\Support\Facades\Http;

class TelegramNotifier
{
    public function sendBatch(NotificationSetting $setting, array $messages): void
    {
        foreach ($messages as $message) {
            $this->send($setting, $message);
        }
    }

    public function sendTest(NotificationSetting $setting): void
    {
        $this->send(
            $setting,
            "🐱 *KOL Manager — Test Notification*\n\nYour Telegram channel is configured correctly! 🎉"
        );
    }

    private function send(NotificationSetting $setting, string $text): void
    {
        $config   = $setting->config ?? [];
        $botToken = $config['bot_token'] ?? null;
        $chatId   = $config['chat_id'] ?? null;

        if (! $botToken || ! $chatId) {
            throw new \RuntimeException('Telegram bot_token and chat_id are required.');
        }

        $response = Http::timeout(10)->post(
            "https://api.telegram.org/bot{$botToken}/sendMessage",
            [
                'chat_id'    => $chatId,
                'text'       => $text,
                'parse_mode' => 'Markdown',
            ]
        );

        if (! $response->successful()) {
            throw new \RuntimeException('Telegram API error: ' . $response->body());
        }
    }
}