using System;
using Chernobyl.Unity.Event;
using UnityEngine;

namespace Chernobyl.Unity.Input
{
    /// <summary>
    /// Triggers <see cref="EventSource"/> instances when associated buttons are pressed down.
    /// </summary>
    public class ButtonDownMonitor : MonoBehaviour
    {
        /// <summary>
        /// The name of the button to check when it is pressed down.
        /// </summary>
        [Tooltip("The list buttons to check when it is pressed down.")]
        public NameEventSource[] Triggers;

        /// <summary>See Unity docs for more info.</summary>
        public void Update()
        {
            foreach (var trigger in Triggers)
            {
                if (UnityEngine.Input.GetButtonDown(trigger.Name))
                    trigger.EventSource.Subject.OnNext(EventArgs.Empty);
            }
        }
    }
}