<?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，根据实际情况修改
            $page = 'pages/gift-card/exchange?';
            $scene = "cardNo={$cardNo}&cardPass={$cardPass}";

            // 生成小程序码
            $config = WeChatConfigService::getMnpConfig();

            $app = Factory::miniProgram($config);
            $accessToken = $app->access_token->getToken()['access_token'];

            $url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token={$accessToken}";

            $data = [
                'scene' => $scene,
                'page' => $page,
                'width' => 280,
            ];

            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_POST, true);
            curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($ch, CURLOPT_HTTPHEADER, [
                'Content-Type: application/json; charset=utf-8'
            ]);
            // 重要：设置二进制传输模式
            curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);

            $response = curl_exec($ch);
            $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
            curl_close($ch);
            return $httpCode;
            $IMG = getQrCode($accessToken, $page.$scene, 'uploads/qrcode/', $cardPass);

//            $result = $app->app_code->getUnlimited($page = 'pages/index/index', $width = 430);
//            try {
//                $accessToken = $app->access_token->getToken()['access_token'];
//                $url = "https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token={$accessToken}";
//
//                $data = [
//                    'path' => $page . '?' . $scene,
//                    'width' => 280
//                ];
//
//                // 使用Guzzle HTTP客户端
//                $client = new \GuzzleHttp\Client();
//                $response = $client->post($url, [
//                    'json' => $data,
//                    'headers' => [
//                        'Content-Type' => 'application/json'
//                    ]
//                ]);
//                return $response;
//                // 检查响应
//                if ($response->getStatusCode() === 200) {
//                    $body = $response->getBody();
//                    // 这里$body就是二维码的二进制数据
//                } else {
//                    Log::error('微信API调用失败', ['status' => $response->getStatusCode()]);
//                    return false;
//                }
//
//            } catch (\Exception $e2) {
//                Log::error('HTTP客户端调用失败', ['error' => $e2->getMessage()]);
//                return false;
//            }
//
//            if (!($response instanceof \EasyWeChat\Kernel\Http\StreamResponse)) {
//                Log::error('生成小程序码失败', [
//                    'response' => $response,
//                    'response_type' => gettype($response),
//                    'page' => $page,
//                    'scene' => $scene
//                ]);
//                return false;
//            }
//            if (!($response instanceof \EasyWeChat\Kernel\Http\StreamResponse)) {
//                Log::error('生成小程序码失败', ['response' => $response]);
//                return false;
//            }
            return $IMG;
            // 保存到本地临时目录
            $saveDir = 'resource/image/gift_card/qr_code/';
            if (!file_exists($saveDir)) {
                mkdir($saveDir, 0777, true);
            }

            $fileName = 'gift_card_' . $cardNo . '_' . time() . '.png';
            $localPath = $saveDir . $fileName;

            // 保存小程序码到本地
            $response->saveAs($saveDir, $fileName);

            // 上传到七牛云
            $uploadPath = self::uploadToQiniu($localPath, 'gift_card/qr_code/' . $fileName);

            if ($uploadPath) {
                // 删除本地临时文件
                if (file_exists($localPath)) {
                    unlink($localPath);
                }
                return 'gift_card/qr_code/' . $fileName;
            }

            return false;

        } catch (\Exception $e) {
            Log::error('生成礼品卡二维码失败', ['error' => $e->getMessage()]);
            return false;
        }
    }

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

            if ($config['default'] === 'qiniu') {
                $storageDriver = new Driver($config);
                return $storageDriver->fetch($localPath, $remotePath);
            }

            // 如果不是七牛云存储，返回本地路径
            return true;

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

        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']++;
            } else {
                $result['failed']++;
            }
        }

        return $result;
    }
}