using System;
using System.Collections.Generic;

namespace Chernobyl.Unity.Creation
{
    /// <summary>
    /// Stores the values produced by the <see cref="IObservable{T}"/> being watched.
    /// </summary>
    public class EventWarehouse<T> : IObserver<T>
    {
        /// <param name="collection">The collection where values are to be stored.</param>
        public EventWarehouse(ICollection<T> collection)
        {
            _collection = collection;
        }

        /// <inheritdoc />
        public void OnNext(T value) => _collection.Add(value);

        /// <inheritdoc />
        public void OnError(Exception error) { }

        /// <inheritdoc />
        public void OnCompleted() { }

        readonly ICollection<T> _collection;
    }
}