<?php

namespace app\common\service;

use app\common\service\storage\Driver;
use app\common\service\ConfigService;
use SimpleSoftwareIO\QrCode\Facades\QrCode;
use think\facade\Log;
use app\common\service\WeChatConfigService;
use EasyWeChat\Factory;


/**
 * 礼品卡二维码生成服务
 */
class GiftCardQrCodeService
{
    /**
     * @notes 生成礼品卡小程序二维码并上传到七牛云
     * @param string $cardNo 礼品卡卡号
     * @param string $cardPass 礼品卡密码
     * @return string|false 返回二维码文件路径或false
     */
    public static function generateAndUploadQrCode($cardNo, $cardPass)
    {
        try {
            // Generate regular QR code with cardPass as content
            $qrContent = $cardPass;
            
            // Generate local temp file path
            $tempDir = runtime_path() . 'temp' . DIRECTORY_SEPARATOR;
            if (!is_dir($tempDir)) {
                mkdir($tempDir, 0755, true);
            }

            $tempFileName = 'qrcode_' . $cardNo . '_' . time() . '.png';
            $tempFilePath = $tempDir . $tempFileName;

            // Generate 430x430 square QR code
            QrCode::format('png')
                ->size(430)
                ->margin(2)
                ->generate($qrContent, $tempFilePath);

            Log::info('Regular QR code generated successfully', [
                'cardNo' => $cardNo,
                'scene' => $cardPass,
                'tempPath' => $tempFilePath,
                'size' => filesize($tempFilePath)
            ]);

            // Generate Qiniu cloud storage path
            $remotePath = 'gift_card_qrcode/' . date('Ymd') . '/' . $tempFileName;

            // Upload to Qiniu cloud
            if (self::uploadToQiniu($tempFilePath, $remotePath)) {
                // Delete temp file
                unlink($tempFilePath);

                // Return Qiniu cloud file path
                $config = ConfigService::get('storage', 'qiniu', []);
                $domain = rtrim($config['domain'] ?? '', '/');
                $fullUrl = $domain . '/' . $remotePath;

                Log::info('Regular QR code generated and uploaded successfully', [
                    'cardNo' => $cardNo,
                    'remotePath' => $remotePath,
                    'fullUrl' => $fullUrl
                ]);
                
                return $fullUrl;
            } else {
                // Upload failed, delete temp file
                if (file_exists($tempFilePath)) {
                    unlink($tempFilePath);
                }
                return false;
            }

        } catch (\Exception $e) {
            Log::error('Failed to generate regular QR code', [
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
            return false;
        }
    }

    public static function httpRequest($url, $data='', $method='GET'){
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT'] ?? 'Mozilla/5.0');
        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($curl, CURLOPT_AUTOREFERER, 1);

        if($method=='POST') {
            curl_setopt($curl, CURLOPT_POST, 1);
            if ($data != '') {
                curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
                curl_setopt($curl, CURLOPT_HTTPHEADER, [
                    'Content-Type: application/json',
                    'Content-Length: ' . strlen($data)
                ]);
            }
        }

        curl_setopt($curl, CURLOPT_TIMEOUT, 30);
        curl_setopt($curl, CURLOPT_HEADER, 0);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        $result = curl_exec($curl);

        $httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
        $error = curl_error($curl);
        curl_close($curl);

        if ($error) {
            Log::error('CURL请求失败', ['error' => $error, 'url' => $url]);
            return false;
        }

        if ($httpCode !== 200) {
            Log::error('HTTP请求失败', ['code' => $httpCode, 'url' => $url]);
            return false;
        }

        return $result;
    }

    /**
     * @notes 上传文件到七牛云
     * @param string $localPath 本地文件路径
     * @param string $remotePath 远程文件路径
     * @return bool
     */
    private static function uploadToQiniu($localPath, $remotePath)
    {
        try {
            // 检查本地文件是否存在
            if (!file_exists($localPath)) {
                Log::error('本地文件不存在', ['path' => $localPath]);
                return false;
            }

            $config = [
                'default' => ConfigService::get('storage', 'default', 'local'),
                'engine' => ConfigService::get('storage_engine')
            ];

            Log::info('存储配置', $config);

            if ($config['default'] === 'qiniu') {
                $storageDriver = new Driver($config);

                // 使用绝对路径进行上传
                $absolutePath = realpath($localPath);
                $result = $storageDriver->fetch($absolutePath, $remotePath);

                if (!$result) {
                    $error = $storageDriver->getError();
                    Log::error('七牛云上传失败', [
                        'error' => $error,
                        'localPath' => $absolutePath,
                        'remotePath' => $remotePath
                    ]);
                    return false;
                }

                Log::info('七牛云上传成功', [
                    'localPath' => $absolutePath,
                    'remotePath' => $remotePath
                ]);

                return true;
            } else {
                // 如果不是七牛云存储，返回本地路径
                Log::info('使用本地存储', ['path' => $localPath]);
                return true;
            }

        } catch (\Exception $e) {
            Log::error('上传到七牛云失败', [
                'error' => $e->getMessage(),
                'localPath' => $localPath,
                'remotePath' => $remotePath
            ]);
            return false;
        }
    }

    /**
     * @notes 批量生成二维码
     * @param array $giftCards 礼品卡数组
     * @return array
     */
    public static function batchGenerateQrCode($giftCards)
    {
        $result = [
            'success' => 0,
            'failed' => 0,
            'total' => count($giftCards),
            'details' => []
        ];

        foreach ($giftCards as $card) {
            $qrCodePath = self::generateAndUploadQrCode($card['card_no'], $card['card_pass']);

            if ($qrCodePath) {
                // 更新数据库中的二维码路径
                \app\common\model\GiftCardInfo::where('id', $card['id'])
                    ->update(['qr_code_path' => $qrCodePath]);
                $result['success']++;
                $result['details'][] = [
                    'card_no' => $card['card_no'],
                    'status' => 'success',
                    'qr_code_path' => $qrCodePath
                ];
            } else {
                $result['failed']++;
                $result['details'][] = [
                    'card_no' => $card['card_no'],
                    'status' => 'failed',
                    'error' => '生成或上传失败'
                ];
            }
        }

        return $result;
    }
}