// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;

namespace XliffTasks;

public class ExponentialRetry
{
    public static void ExecuteWithRetryOnIOException(
       Action action,
       int maxRetryCount)
    {
        int count = 1;
        foreach (TimeSpan t in Intervals)
        {
            try
            {
                action();
                return;
            }
            catch (IOException e)
            {
                if (count == maxRetryCount)
                    throw new IOException($"Retry failed after {count} times", e);
                count++;
            }
            Thread.Sleep(t);
        }
        throw new Exception("Timer should not be exhausted");
    }

    private static IEnumerable<TimeSpan> Intervals
    {
        get
        {
            int milliseconds = 5;
            while (true)
            {
                yield return TimeSpan.FromMilliseconds(milliseconds);
                milliseconds *= 2;
            }
        }
    }
}