using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using DjRedo.Views;

namespace DjRedo.Core
{
    public class RunnableStepTaskCollection : ReadOnlyCollectionBase, IReadOnlyCollection<StepTask>
    {
        public RunnableStepTaskCollection(IEnumerable<StepTask> stepTasks) : base()
        {
            base.InnerList.AddRange(stepTasks.ToArray());
        }

        /// <inheritdoc />
        public new IEnumerator<StepTask> GetEnumerator()
        {
            return base.InnerList.Cast<StepTask>().GetEnumerator();
        }

        public async Task RunTasks()
        {
            object[] taskParameters = new object[0];
            for (int i = 0; i < base.InnerList.Count; i++)
            {
                taskParameters = await base.InnerList.Cast<StepTask>().ElementAt(i).RunTask(taskParameters);
            }
        }
    }
}