using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Island : MonoBehaviour {

	public static Island Instance {
		get;
		set;
	}

	public float rotateSpeed;
	public float smooth;
	public Vector3 leftPosition;

	private float yRot;
	private Vector3 gameRotation = Vector3.zero;
	private Vector3 gameRotVel;
	private Vector3 moveVel;
	private Vector3 rightPosition;
	private Vector3 side;

	private bool rotatesToZero;
	private bool rotates = true;

	void Awake() {
		//Manage Singleton
		if (Instance != null && Instance != this)
			Destroy(gameObject);
		else
			Instance = this;
		DontDestroyOnLoad(gameObject);
	}

	void Start() {
		rightPosition = transform.position;
		side = rightPosition;
	}

	void Update() {
		if (rotatesToZero) {
			Vector3 eulers = Vector3.SmoothDamp(transform.rotation.eulerAngles, gameRotation, ref gameRotVel, smooth);
			transform.rotation = Quaternion.Euler(eulers);
			float diff = Quaternion.Angle(transform.rotation, Quaternion.Euler(gameRotation));
			if (diff < 5)
				CameraController.Instance.MoveOnTable();
		}
		if (rotates) {
			yRot += rotateSpeed;
			transform.rotation = Quaternion.AngleAxis(yRot, Vector3.up);
		}

		MoveToSide();
	}

	private void MoveToSide() {
		transform.position = Vector3.SmoothDamp(transform.position, side, ref moveVel, smooth * 0.5f);
	}
	public void MoveLeft() {
		side = leftPosition;
	}
	public void MoveRight() {
		side = rightPosition;
	}

	public void RotateToZero() {
		rotatesToZero = true;
		rotates = false;
	}

	public void FreeRotate() {
		rotates = true;
		rotatesToZero = false;
	}
}