<?php

namespace App\Services\SmsBilling\Providers;

use App\Services\SmsBilling\Contracts\SmsProviderInterface;

class MeliPayamakProvider implements SmsProviderInterface
{
    public function name(): string
    {
        return 'melipayamak';
    }

    public function supports(array $config): bool
    {
        $meliUser = trim((string) ($config['melipayamak_user'] ?? ''));

        return strlen($meliUser) > 1;
    }

    public function send(string $to, string $message, array $config): array
    {
        $data = [
            'username' => $config['melipayamak_user'],
            'password' => $config['melipayamak_password'] ?? '',
            'to' => $to,
            'from' => $config['melipayamak_from'] ?? '',
            'text' => $message,
        ];

        $handle = curl_init('https://rest.payamak-panel.com/api/SendSMS/SendSMS');
        $opts = [
            CURLOPT_HTTPHEADER => ['content-type: application/x-www-form-urlencoded'],
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_SSL_VERIFYHOST => false,
            CURLOPT_SSL_VERIFYPEER => false,
            CURLOPT_POST => true,
            CURLOPT_POSTFIELDS => http_build_query($data),
            CURLOPT_TIMEOUT => 30,
            CURLOPT_CONNECTTIMEOUT => 5,
            CURLOPT_PROXY => '',
        ];
        if (defined('CURLOPT_IPRESOLVE') && defined('CURL_IPRESOLVE_V4')) {
            $opts[CURLOPT_IPRESOLVE] = CURL_IPRESOLVE_V4;
        }
        if (defined('CURLOPT_HTTP_VERSION') && defined('CURL_HTTP_VERSION_1_1')) {
            $opts[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_1;
        }
        curl_setopt_array($handle, $opts);

        $response = curl_exec($handle);
        $error = curl_error($handle);
        curl_close($handle);

        if ($response === false) {
            return ['success' => false, 'raw' => $error];
        }

        $decoded = json_decode($response, true);

        if (is_array($decoded)) {
            $status = $decoded['RetStatus'] ?? $decoded['retStatus'] ?? null;

            return [
                'success' => (int) $status === 1,
                'raw' => $decoded,
            ];
        }

        $text = trim((string) $response);

        return [
            'success' => $text !== '' && stripos($text, 'error') === false,
            'raw' => $response,
        ];
    }
}