using COSXML.Model.CI;
using COSXML.Auth;
using System;
using COSXML;

namespace COSSnippet
{
    public class GetSnapshotModel {

      private CosXml cosXml;

      GetSnapshotModel() {
        CosXmlConfig config = new CosXmlConfig.Builder()
          .SetRegion("COS_REGION") // Set the default region. For abbreviations of COS regions, visit https://www.tencentcloud.com/document/product/436/6224.
          .Build();

        string secretId = "SECRET_ID";   // TencentCloud API `SecretId`. For more information on how to get it, visit https://console.tencentcloud.com/cam/capi.
        string secretKey = "SECRET_KEY"; // TencentCloud API `SecretKey`. For more information on how to get it, visit https://console.tencentcloud.com/cam/capi.
        long durationSecond = 600;          // Validity period of the request signature in seconds
        QCloudCredentialProvider qCloudCredentialProvider = new DefaultQCloudCredentialProvider(secretId, 
          secretKey, durationSecond);

        this.cosXml = new CosXmlServer(config, qCloudCredentialProvider);
      }

      /// Capture video frames
      public void GetSnapshot()
      {
        // Bucket name in the format of `BucketName-APPID`. You can get the `APPID` by referring to https://console.tencentcloud.com/developer.
        string bucket = "examplebucket-1250000000";
        string key = "video.mp4"; // Object key of the media file, which should be replaced with the actual object key of the media file existing in the bucket
        float time = 1.5F; // Screenshot time point expressed as a floating point number
        string destPath = @"temp-source-file"; // The path to save the screenshot file, which needs to be replaced with a local specific path, such as "/usr/local/"
        GetSnapshotRequest request = new GetSnapshotRequest(bucket, key, time, destPath);
        // Execute the request
        GetSnapshotResult result = cosXml.GetSnapshot(request);
        Console.WriteLine(result.GetResultInfo());
      }

      static void Main(string[] args)
      {
        GetSnapshotModel m = new GetSnapshotModel();
        /// Capture video frames
        m.GetSnapshot();
      }
    }
}