<?php

namespace App\Services\Converters;

use App\DTOs\AffiliateResult;
use App\Interfaces\AffiliateConverterInterface;
use App\Services\SettingService;

class ManualAffiliateConverter implements AffiliateConverterInterface
{
    protected SettingService $settingService;

    public function __construct(SettingService $settingService)
    {
        $this->settingService = $settingService;
    }

    public function convert(string $url, ?string $code = null): AffiliateResult
    {
        $startTime = microtime(true);
        $affiliateId = $this->settingService->get('affiliate_id');

        if (!$affiliateId) {
            return new AffiliateResult(
                isSuccess: false,
                originalUrl: $url,
                errorMessage: 'Vui lòng thiết lập Affiliate ID trong phần Settings để sử dụng chuyển đổi thủ công.',
                executionTime: microtime(true) - $startTime,
                converterType: 'manual'
            );
        }

        // URL encode the original URL
        $encodedLink = urlencode($url);
        
        // Construct the standard manual Shopee redirect URL
        $affiliateUrl = "https://s.shopee.vn/an_redir?origin_link={$encodedLink}&affiliate_id={$affiliateId}";
        if ($code) {
            $affiliateUrl .= "&sub_id={$code}";
        }

        return new AffiliateResult(
            isSuccess: true,
            originalUrl: $url,
            affiliateUrl: $affiliateUrl,
            executionTime: microtime(true) - $startTime,
            sessionUsed: 'manual_id_' . $affiliateId,
            converterType: 'manual'
        );
    }
}