using SHADE;
using SHADE_Scripting.Audio;
using SHADE_Scripting.UI;
using System;
using System.Collections.Generic;
using System.Diagnostics.Contracts;

public class GameManager : Script
{
  public enum GameState
  {
    START,
    OVER
  }

  public uint winScene = 92009475;

  [NonSerialized]
  public GameState currGameState;
  [NonSerialized]
  public int totalItemCount;
  [NonSerialized]
  public int Score;
  [NonSerialized]
  public float timer;

  public GameObject scoreText;
  public GameObject scoreTextBG;
  public GameObject timeText;
  public GameObject minusTimerText;

  public GameObject Results;
  public int MaxComboAccquired { get; set; }
  public int finalTime { get; set; }
  public int finalScore { get; set; }


  //mulitpler info
  public GameObject multiplierText;
  public float maxMultiplierDuration = 5.0f;
  public float currMultiplierDuration { get; set; }
  public int maxMultiplierCombo = 10;
  public bool itemScored {get;set;}
  public int currMultiplierCombo { get; set;}
  public float multiplierFont = 60.0f;

  public static GameManager Instance { get; private set; }

  public bool GamePause { get; set; }
  public bool stealFoodPopUpDone { get; set; }
  public bool PreviewLevelDone { get; set; }

  public bool itemShatter { get; set; }

  //For scene transitions
  private bool waitForTransition;

  private bool playSpeedUp = false;

  protected override void awake()
  {
    if (Instance != null && Instance != this)
      RemoveScript<GameManager>();
    else
      Instance = this;
    
    totalItemCount = 0;
    Score = 0;
    currGameState = GameState.START;
    itemScored = false;
    currMultiplierCombo = 0;
    currMultiplierDuration = 0;
    itemShatter = false;
    GamePause = false;
    stealFoodPopUpDone = false;
    PreviewLevelDone = false;

    var winAudio = Audio.CreateAudioClip("event:/Music/stingers/game_win");
    winAudio.DestroyOnSceneExit = false;
    AudioHandler.audioClipHandlers["BGMWin"] = winAudio;

    var loseAudio = Audio.CreateAudioClip("event:/Music/stingers/game_lose");
    loseAudio.DestroyOnSceneExit = false;
    AudioHandler.audioClipHandlers["BGMLose"] = loseAudio;

    waitForTransition = false;

    if (scoreText)
      scoreText.GetComponent<TextRenderable>().Text = $"{Score}";
    if (timeText)
      timeText.GetComponent<TextRenderable>().Text = $"{timer.ToString("0")}";

    Input.SetMouseCentering(true);
    Application.IsCursorVisible = false;
    Application.FixDeltaTime = Time.DefaultFixDeltaTime;

    AudioHandler.audioClipHandlers["SFXItemScore"] = Audio.CreateAudioClip("event:/Music/stingers/item_scored");
    AudioHandler.audioClipHandlers["RaccoonScored"] = Audio.CreateAudioClip("event:/Raccoon/raccoon_scored");
    Audio.SetParameterWithLabel("PlaybackSpeed", "Normal");
  }

  protected override void start()
  {
    AudioHandler.audioClipHandlers["BGMAdaptive"] = Audio.CreateAudioClip("event:/Music/bgm_adaptive_new");
    AudioHandler.audioClipHandlers["BGMAdaptive"].Play();

    Audio.SetParameterWithLabel("PlayerDetection", "Undetected");

    AudioHandler.audioClipHandlers["KitchenAmbience"] = Audio.CreateAudioClip("event:/Ambience/roomtone_kitchen");
    AudioHandler.audioClipHandlers["KitchenAmbience"].Play();

    GamePause = false;
  }

  protected override void update()
  {
    if (GamePause || !stealFoodPopUpDone)
    {
      return;
    }

    Cheat();

    if (currGameState == GameState.START)
    {
      timer -= Time.DeltaTimeF;

      if (timer < 30.0f && !playSpeedUp)
      {
        Audio.SetParameterWithLabel("PlaybackSpeed", "ToTransition");
        playSpeedUp = true;
      }

      if (scoreText)
        scoreText.GetComponent<TextRenderable>().Text = $"{Score}";
      if (timeText)
        timeText.GetComponent<TextRenderable>().Text = $"{timer.ToString("0")}";

      if (itemScored)
      {
        currMultiplierDuration += Time.DeltaTimeF;

        if (currMultiplierDuration >= maxMultiplierDuration)
        {
          itemScored = false;
          currMultiplierCombo = 0;
          currMultiplierDuration = 0;
        }
      }

      if (timer <= 0 || (totalItemCount <= 0 && !itemShatter))
      {
        AudioHandler.StopAllSounds(false);

        if (timer <= 0)
          AudioHandler.audioClipHandlers["BGMLose"].Play();
        else if (totalItemCount <= 0)
          AudioHandler.audioClipHandlers["BGMWin"].Play();

        currGameState = GameState.OVER;
        finalTime = (int)timer;
        Results.SetActive(true);

        Input.SetMouseCentering(false);
        Application.IsCursorVisible = true;
        GamePause = true;
        Application.FixDeltaTime = 0;
        AnimationSystem.TimeScale = 0;
      }
    }


    if (SceneFadeInOut.Instance && SceneFadeInOut.Instance.FadeInFinished() && waitForTransition)
      SceneManager.ChangeScene(winScene);

  }

  public void RacoonCaught()
  {
    timer -= 10.0f;
    if (minusTimerText != GameObject.Null)
    {
      MinusTimerText text = minusTimerText.GetScript<MinusTimerText>();
      if (text)
      {
        text.Reset();
      }
    }
  }

  private void Cheat()
  {
    if (Input.GetKeyUp(Input.KeyCode.F1))
    {
      currGameState = GameState.OVER;
      AudioHandler.audioClipHandlers["BGMWin"].Play();
      AudioHandler.StopAllSounds(false);
      waitForTransition = true;
      if (SceneFadeInOut.Instance != null)
        SceneFadeInOut.Instance.CallFadeIn();
    }

    if (Input.GetKeyUp(Input.KeyCode.G))
    {
        ItemScored();
        Score += 500;
    }

  }


  protected override void onDestroy()
  {
    if (Instance == this)
      Instance = null;
  }

  public void ItemScored()
  {
    totalItemCount -= 1;
    itemScored = true;
    currMultiplierDuration = 0;

    if (currMultiplierCombo < maxMultiplierCombo)
    { 
      currMultiplierCombo += 1;
      if (currMultiplierCombo > MaxComboAccquired)
        MaxComboAccquired = currMultiplierCombo;
    }

    Audio.SetParameter("Multiplier", currMultiplierCombo);
    AudioHandler.audioClipHandlers["SFXItemScore"].Play();
    AudioHandler.audioClipHandlers["RaccoonScored"].Play();

    SingleScaleBounce textBounce = scoreText.GetScript<SingleScaleBounce>();
    SingleScaleBounce textBGBounce = scoreTextBG.GetScript<SingleScaleBounce>();




    //if (textBounce)
    //  textBounce.ScaleBounceOnce();

    if (textBGBounce)
      textBGBounce.ScaleBounceOnce();


		MultiplierTextFx fx = multiplierText.GetScript<MultiplierTextFx>();
    if (fx)
    {
        fx.ShowMultiplier(currMultiplierCombo, maxMultiplierDuration);
    }



  }
  
}