using UnityEngine;
using System.Collections;
using System;

public class Tutor : MonoBehaviour
{

    private bool InfinitelyTraining
    {
        get
        {
            return GameObject.Find("InfinitelyTraining");
        }
    }

    private static Tutor _instance;

    public GameObject ArrowDown;
    public GameObject ArrowLeft;
    public GameObject ArrowRight;
    public GameObject ArrowUp;
    public GameObject ImageInfo;

    public GameObject ObjKillAnOrc;
    public GameObject ObjBreakTheChest;

    public GameObject ObjEnrage;

    public GameObject Colliders;

    private bool _tutorPassed = false;

    public static bool TutorPassed
    {
        get { return _instance._tutorPassed && !_instance.InfinitelyTraining; }
    }

    void Start ()
	{
        _tutorPassed = PlayerPrefs.GetInt("TutorPassed", 0) == 1;
	    _instance = this;
        ArrowDown.SetActive(false);
        ArrowLeft.SetActive(false);
        ArrowRight.SetActive(false);
        ArrowUp.SetActive(false);
        // ObjKillAnOrc.SetActive(false);
        // ObjBreakTheChest.SetActive(false);
        //ObjEnrage.SetActive(false);
    }

    public static void ActivateColliders()
    {
        if (_instance && _instance.Colliders)
        {
            _instance.Colliders.SetActive(true);
        }
    }

    public static void Down()
    {
        if (_instance._tutorPassed && !_instance.InfinitelyTraining)
        {
            return;
        }
        _instance.StartCoroutine(_instance.Show(_instance.ArrowDown, new Vector3(0, -1, 0), 10));
    }

    public static void Left()
    {
        if (_instance._tutorPassed && !_instance.InfinitelyTraining)
        {
            return;
        }
        _instance.StartCoroutine(_instance.Show(_instance.ArrowLeft, new Vector3(-1, 0, 0), 10));
    }

    public static void Info()
    {
        if (_instance._tutorPassed && !_instance.InfinitelyTraining)
        {
            return;
        }
        _instance.StartCoroutine(_instance.Show(_instance.ImageInfo, new Vector3(0, 1, 0), 1));
    }

    

    public static void Right()
    {
        if (_instance._tutorPassed && !_instance.InfinitelyTraining)
        {
            return;
        }

        _instance.StartCoroutine(_instance.Show(_instance.ArrowRight, new Vector3(1, 0, 0), 10));
    }

    public static void Up()
    {
        if (_instance._tutorPassed && !_instance.InfinitelyTraining)
        {
            return;
        }
        _instance.StartCoroutine(_instance.Show(_instance.ArrowUp, new Vector3(0, 1, 0), 10));
    }

    public static void BreakChest()
    {
        if (_instance._tutorPassed && !_instance.InfinitelyTraining)
        {
            return;
        }
        _instance.StartCoroutine(_instance.Scale(_instance.ObjBreakTheChest, new Vector3(0.0001f, 0.0001f, 0), 50));
    }

    public static void KillAnOrc()
    {
        if (_instance._tutorPassed && !_instance.InfinitelyTraining)
        {
            return;
        }
        _instance.StartCoroutine(_instance.Scale(_instance.ObjKillAnOrc, new Vector3(0.0001f, 0.0001f, 0), 50));
    }

    public static void Enrage()
    {
        if (_instance._tutorPassed && !_instance.InfinitelyTraining)
        {
            return;
        }
        _instance.StartCoroutine(_instance.Scale(_instance.ObjEnrage, new Vector3(0.0001f, 0.0001f, 0), 50));
    }


    private IEnumerator Show(GameObject obj, Vector3 way, float dist)
    {
        
        if (obj.name == "TutorDone")
        {
            Debug.Log("TutorDone");
            LoginManager.Instance.TutorDone.gameObject.SetActive(true);
            yield return new WaitForSeconds(3.14f);
            LoginManager.Instance.TutorDone.gameObject.SetActive(false);
            yield break;
        }
        obj.transform.localPosition = way * 3 * -dist;
        obj.SetActive(true);

        var move = 0;

        while (move++ < dist)
        {
            yield return new WaitForSeconds(0.02f);
            obj.transform.localPosition += way * 3 * move;
        }
        if (obj.name == "TutorDone")
        {
            LoginManager.Instance.TutorDone.gameObject.SetActive(false);
            //LoginManager.Instance.TutorDone.Hide();
        }
        obj.SetActive(false);
    }

    private IEnumerator Scale(GameObject obj, Vector3 way, float dist)
    {
        Vector3 baseScale = obj.transform.localScale;
        obj.SetActive(true);

        var move = 0;

        while (move++ < dist)
        {
            yield return new WaitForSeconds(0.03f);
            obj.transform.localScale += way;
        }

        obj.SetActive(false);
        obj.transform.localScale = baseScale;
    }


    public static void Passed()
    {
        _instance._tutorPassed = true;
        PlayerPrefs.SetInt("TutorPassed", 1);
        PlayerPrefs.Save();
    }
}