<?php

namespace app\common\service;

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

/**
 * 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 {
            // 小程序页面路径（使用首页，通过场景值处理）
            $page = 'pages/card-exchange/card-exchange';

            // 优化场景值格式，确保不超过32字符限制
            $scene = $cardPass;

            // 如果场景值超过32字符，使用base64编码压缩
            if (strlen($scene) > 32) {
                $scene = $cardPass;
                $scene = base64_encode($cardNo . '|' . $cardPass);
                if (strlen($scene) > 32) {
                    $scene = substr($scene, 0, 32);
                }
            }

            // 生成小程序码
            $config = WeChatConfigService::getMnpConfig();
            $app = Factory::miniProgram($config);
            $accessToken = $app->access_token->getToken()['access_token'];
            outFileLog($accessToken,'qr_code','$accessToken');
            // $url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token={$accessToken}";
            $url = "https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token={$accessToken}";
            $data = [
                'page' => $page.'?cardPass='. '?cardPass=' . urlencode($cardPass),
                'width' => 430  // 方形尺寸
            ];
            // $data = [
            //     'scene' => $scene,
            //     'page' => $page,
            //     'width' => 430,  // 推荐使用430像素，确保方形
            //     'auto_color' => false,  // 不自动配色
            //     'line_color' => ['r' => 0, 'g' => 0, 'b' => 0],  // 黑色线条
            //     'is_hyaline' => true,   // 透明背景，去除logo区域
            //     'env_version' => 'release'  // 添加版本参数
            // ];

            Log::info('生成小程序码参数', [
                'scene' => $scene,
                'scene_length' => strlen($scene),
                'page' => $page,
                'cardPass' => $cardPass,
            ]);


            // 调用微信接口获取二维码图片Buffer
            $response = self::httpRequest($url, json_encode($data), 'POST');

            // 检查响应是否为图片数据
            if (empty($response)) {
                Log::error('微信接口返回空响应');
                return false;
            }

            // 检查是否返回错误信息（JSON格式）
            $jsonData = json_decode($response, true);
            if (json_last_error() === JSON_ERROR_NONE && isset($jsonData['errcode'])) {
                Log::error('微信接口返回错误', $jsonData);
                return false;
            }

            // 生成本地临时文件名
            $tempDir = runtime_path() . 'temp' . DIRECTORY_SEPARATOR;
            if (!is_dir($tempDir)) {
                mkdir($tempDir, 0755, true);
            }

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

            // 将图片Buffer保存到本地临时文件
            if (file_put_contents($tempFilePath, $response) === false) {
                Log::error('保存临时文件失败', ['path' => $tempFilePath]);
                return false;
            }

            Log::info('临时文件保存成功', ['path' => $tempFilePath, 'size' => filesize($tempFilePath)]);

            // 生成七牛云存储路径
            $remotePath = 'gift_card_qrcode/' . date('Ymd') . '/' . $tempFileName;

            // 上传到七牛云
            if (self::uploadToQiniu($tempFilePath, $remotePath)) {
                // 删除临时文件
                unlink($tempFilePath);

                // 返回七牛云文件路径
                $config = ConfigService::get('storage', 'qiniu', []);
                $domain = rtrim($config['domain'] ?? '', '/');
                $fullUrl = $domain . '/' . $remotePath;

                Log::info('二维码生成并上传成功', [
                    'cardNo' => $cardNo,
                    'remotePath' => $remotePath,
                    'fullUrl' => $fullUrl
                ]);
                outFileLog($fullUrl,'qr_code','$fullUrl');
                return $fullUrl;
            } else {
                // 上传失败，删除临时文件
                if (file_exists($tempFilePath)) {
                    unlink($tempFilePath);
                }
                return false;
            }

        } catch (\Exception $e) {
            Log::error('生成礼品卡二维码失败', [
                '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;
    }
}