<?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);

            // 修正：使用正确的API方法
//            $response = $app->app_code->getUnlimited($scene, [
//                'page' => $page,
//                'width' => 280,
//                'auto_color' => false,
//                'line_color' => ['r' => 0, 'g' => 0, 'b' => 0],
//            ]);

            // 如果上面的方法不工作，尝试以下替代方案：
            // 方案1：使用get方法
            // $response = $app->app_code->get($page . '?' . $scene, [
            //     'width' => 280,
            // ]);
            outFileLog('1','giftCard','test');
            // 方案2：使用getQrCode方法
             $response = $app->app_code->getQrCode($page . '?' . $scene, 280
             );

            if (!($response instanceof \EasyWeChat\Kernel\Http\StreamResponse)) {
                Log::error('生成小程序码失败', ['response' => $response]);
                return false;
            }

            // 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;
    }
}