using SHADE;
using System;
using System.Collections.Generic;
using System.Linq;


namespace SHADE_Scripting.UI
{
  public class PreviewLevel : Script
  {
    private List<Camera> listOfCamera;

    public Vector3 endPoint1;
    public Vector3 endPoint2;
    public Vector3 endPoint3;

    public GameObject playerCamera;
    public GameObject gameplayCanvas;
    public float duration = 3.0f;

    private bool point1Done = false;
    private bool point2Done = false;
    private bool point3Done = false;

    private bool reset2 = true;
    private bool reset3 = true;

    private bool skip = false;
    [NonSerialized]
    private TweenThreadVec3 moveToEndPoint1;
    [NonSerialized]
    private TweenThreadVec3 moveToEndPoint2;
    [NonSerialized]
    private TweenThreadVec3 moveToEndPoint3;

    protected override void awake()
    {
      listOfCamera = GameObject.GetComponentsInChildren<Camera>().ToList();

      if (listOfCamera.Count == 0)
        Debug.LogError("EMPTY PREVIEW POINTS");

      moveToEndPoint1 = TweenManager.CreateTweenThreadVec3(duration, listOfCamera[0].GetComponent<Transform>().LocalPosition, endPoint1, EASING_METHOD.EASE_IN_SINE);
      moveToEndPoint2 = TweenManager.CreateTweenThreadVec3(duration, listOfCamera[1].GetComponent<Transform>().LocalPosition, endPoint2, EASING_METHOD.EASE_IN_SINE);
      moveToEndPoint3 = TweenManager.CreateTweenThreadVec3(duration, listOfCamera[2].GetComponent<Transform>().LocalPosition, endPoint3, EASING_METHOD.EASE_IN_SINE);


    }

    protected override void start()
    {
      if (gameplayCanvas)
        gameplayCanvas.SetActive(false);
      listOfCamera[0].SetMainCamera();
    }

    protected override void update()
    {
      if (SceneFadeInOut.Instance && !SceneFadeInOut.Instance.FadeOutFinished() && !point1Done)
      {
        moveToEndPoint1.Reset();
        return;
      }

      if (Input.GetKeyUp(Input.KeyCode.Space) && !point3Done)
      {
        skip = true;
        point1Done = true;
        point3Done = true;
        SceneFadeInOut.Instance.CallFadeIn();
        SceneFadeInOut.Instance.alphaValue = 0.01f;
      }

      if (skip && SceneFadeInOut.Instance && SceneFadeInOut.Instance.FadeInFinished())
      {
        playerCamera.GetComponent<Camera>().SetMainCamera();
        SceneFadeInOut.Instance.CallFadeOut();
      }

      if (skip && SceneFadeInOut.Instance && SceneFadeInOut.Instance.FadeOutFinished())
      {
        GameManager.Instance.PreviewLevelDone = true;
        if (gameplayCanvas)
          gameplayCanvas.SetActive(true);
      }


      if (!skip)
      {
        if (!point1Done)
        {
          listOfCamera[0].GetComponent<Transform>().LocalPosition = moveToEndPoint1.GetValue();
          if (SceneFadeInOut.Instance && moveToEndPoint1.IsCompleted())
          {
            point1Done = true;
            SceneFadeInOut.Instance.CallFadeIn();
            SceneFadeInOut.Instance.alphaValue = 0.01f;
          }
        }

        if (SceneFadeInOut.Instance && SceneFadeInOut.Instance.FadeInFinished() && point1Done)
        {
          listOfCamera[1].SetMainCamera();
          SceneFadeInOut.Instance.CallFadeOut();
        }

        if (SceneFadeInOut.Instance && SceneFadeInOut.Instance.FadeOutFinished() && point1Done)
        {
          if (!point2Done)
          {
            if (reset2)
            {
              moveToEndPoint2.Reset();
              reset2 = false;
            }
            listOfCamera[1].GetComponent<Transform>().LocalPosition = moveToEndPoint2.GetValue();
            if (moveToEndPoint2.IsCompleted())
            {
              point2Done = true;
              SceneFadeInOut.Instance.CallFadeIn();
              SceneFadeInOut.Instance.alphaValue = 0.01f;
            }
          }
        }

        if (SceneFadeInOut.Instance && SceneFadeInOut.Instance.FadeInFinished() && point2Done)
        {
          listOfCamera[2].SetMainCamera();
          SceneFadeInOut.Instance.CallFadeOut();
        }

        if (SceneFadeInOut.Instance && SceneFadeInOut.Instance.FadeOutFinished() && point2Done)
        {
          if (!point3Done)
          {
            if (reset3)
            {
              moveToEndPoint3 = TweenManager.CreateTweenThreadVec3(duration, listOfCamera[2].GetComponent<Transform>().LocalPosition, endPoint3, EASING_METHOD.EASE_IN_SINE);
              reset3 = false;
            }
            listOfCamera[2].GetComponent<Transform>().LocalPosition = moveToEndPoint3.GetValue();
            if (moveToEndPoint3.IsCompleted())
            {
              point3Done = true;
              SceneFadeInOut.Instance.CallFadeIn();
              SceneFadeInOut.Instance.alphaValue = 0.01f;
            }
          }
        }

        if (SceneFadeInOut.Instance && SceneFadeInOut.Instance.FadeInFinished() && point3Done)
        {
          playerCamera.GetComponent<Camera>().SetMainCamera();
          SceneFadeInOut.Instance.CallFadeOut();
        }

        if (SceneFadeInOut.Instance && SceneFadeInOut.Instance.FadeOutFinished() && point3Done)
        {
          GameManager.Instance.PreviewLevelDone = true;
          if (gameplayCanvas)
            gameplayCanvas.SetActive(true);
        }
      }

    }

  }
}