using UnityEngine;
using System.Collections;

namespace SpartanFist
{
	[AddComponentMenu("Interactions/Switches/Auto Switch")]
	public class AutoSwitch : Switch
	{
		/* Auto Switch Stuff */

		// If this is true, the time to the switch's first OFF/ON is randomized
		public bool randomizeInitialTime = true;
		// If randomize is false, this is the initial delay for the switch's first ON/OFF event (useful for setting up timed series of events)
		public float timeOffset = 0.0f;
		// Time between turning off and turning back on again
		public float timeSpentOff = 1.0f;
		// Length of time switch is on (set to 0 for a single frame on)
		public float timeSpentOn = 0.0f;

		private float timeUntilChange = 0.0f;

		/* Standard Functions */

		public override void Awake()
		{
			base.Awake();

			if (randomizeInitialTime)
			{
				if (SwitchState)
				{
					timeUntilChange = Random.Range(0.0f, timeSpentOn);
				}
				else
				{
					timeUntilChange = Random.Range(0.0f, timeSpentOff);
				}
			}
			else
			{
				timeUntilChange = timeOffset;
			}
		}

		public override void Update()
		{
			float deltaTime = PhysicsManager.GetDeltaTimeFor(gameObject);
			timeUntilChange -= deltaTime;
			if (timeUntilChange <= 0.0f)
			{
				SwitchState = !SwitchState;
				if (SwitchState)
				{
					timeUntilChange = timeSpentOn;
				}
				else
				{
					timeUntilChange = timeSpentOff;
				}
			}

			base.Update();
		}
	}
}