using Amazon;
using Amazon.CloudWatch;
using Amazon.CloudWatch.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace AwsCloudWatch
{
    public class CloudWatchClass
    {



        public double GetMethicsDataPercent(String instanceId7, String MetricName7, double Period7, double StartTime7, String Statistics7)
        {

            try
            {

                var instanceId = instanceId7;
                var client = new AmazonCloudWatchClient(RegionEndpoint.USEast1);
                var dimension = new Dimension
               
                {
                    Name = "InstanceId",
                    Value = instanceId
                };

                var request = new GetMetricStatisticsRequest
                {
                    Dimensions = new List<Dimension>() { dimension },
                    EndTime = DateTime.Today,
                    MetricName = MetricName7,
                    Namespace = "AWS/EC2",
                    // Get statistics by day.
                    Period = (int)TimeSpan.FromDays(Period7).TotalSeconds,
                    // Get statistics for the past month.
                    StartTime = DateTime.Today.Subtract(TimeSpan.FromDays(StartTime7)),
                    Statistics = new List<string>() { Statistics7 },
                    Unit = StandardUnit.Percent

                    // Unit = StandardUnit.Bytes
                    // Unit = StandardUnit.Count
                   

                };

                var response = client.GetMetricStatistics(request);

                if (response.Datapoints.Count > 0)
                {
                    foreach (var point in response.Datapoints)
                    {
                        
                        return point.Maximum;
                        //return point.Minimum;
                        //return point.Average;
                        //return point.Timestamp;
                    }
                }
                else
                {
                    return 0.0;
                }
                return 0.0;
            }
            catch
            {
                return 0.0;
            }
        }


    }
}