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,
    WIN,
    LOSE
  }

  public uint winScene = 92009475;
  public uint loseScene = 91685359;

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

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

  //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 goingToWin;
  private bool goingToLose;

  protected override void awake()
  {
    if (Instance != null && Instance != this)
      RemoveScript<GameManager>();
    else
      Instance = this;
    
    totalItemCount = 0;
    Score = 0;
    currGameState = GameState.START;
    itemScored = false;
    currMultiplierCombo = 1;
    currMultiplierDuration = 0;
    itemShatter = false;
    GamePause = false;
    stealFoodPopUpDone = false;
    PreviewLevelDone = false;

    AudioHandler.audioClipHandlers["BGMWin"] = Audio.CreateAudioClip("event:/Music/stingers/game_win");
    AudioHandler.audioClipHandlers["BGMLose"] = Audio.CreateAudioClip("event:/Music/stingers/game_lose");

    goingToWin = false;
    goingToLose = 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;
  }

  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();

    if (SceneFadeInOut.Instance != null)
      SceneFadeInOut.Instance.CallFadeOut();

    GamePause = false;
  }

  protected override void update()
  {


    if (GamePause || !stealFoodPopUpDone)
    {
      return;
    }

    Cheat();

    if (currGameState == GameState.START)
    {     
      timer -= Time.DeltaTimeF;
      if(scoreText)
        scoreText.GetComponent<TextRenderable>().Text = $"{Score}";
      if(timeText)
        timeText.GetComponent<TextRenderable>().Text = $"{timer.ToString("0.00")}";

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

        if (currMultiplierDuration >= maxMultiplierDuration)
        { 
          itemScored = false;
          currMultiplierCombo = 1;
          currMultiplierDuration = 0;
        }

      }

      if (!goingToLose && ((timer > 0 && totalItemCount <= 0 && !itemShatter)))
      {
        currGameState = GameState.WIN;
        AudioHandler.StopAllSounds(false);
        AudioHandler.audioClipHandlers["BGMWin"].Play();
        goingToWin = true;
        if (SceneFadeInOut.Instance != null)
          SceneFadeInOut.Instance.CallFadeIn();
      }
      else if(!goingToWin && (timer < 0))
      {
        currGameState = GameState.LOSE;
        AudioHandler.StopAllSounds(false);
        AudioHandler.audioClipHandlers["BGMLose"].Play();
        goingToLose = true;
        if (SceneFadeInOut.Instance != null)
          SceneFadeInOut.Instance.CallFadeIn();
      }
    }

    //Handling transitions
    if (SceneFadeInOut.Instance != null)
    {
      if (SceneFadeInOut.Instance.FadeInFinished())
      {
        if (goingToWin)
        {
          SceneManager.ChangeScene(winScene);
        }
        if (goingToLose)
        {
          SceneManager.ChangeScene(loseScene);
        }
      }
    }
    else
    {
      if (goingToWin)
      {
        SceneManager.ChangeScene(winScene);
      }
      if (goingToLose)
      {
        SceneManager.ChangeScene(loseScene);
      }
    }
  }

  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.WIN;
      AudioHandler.StopAllSounds(false);
      goingToWin = true;
      if (SceneFadeInOut.Instance != null)
        SceneFadeInOut.Instance.CallFadeIn();
    }
    else if (Input.GetKeyUp(Input.KeyCode.F2))
    {
      currGameState = GameState.LOSE;
      AudioHandler.StopAllSounds(false);
      goingToLose = 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;

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

    SingleScaleBounce sb = scoreText.GetScript<SingleScaleBounce>();
    if(sb)
    {
        sb.ScaleBounceOnce();
    }


  }
  
}