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

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;

  //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;
  private Vector3 fontScalar;

  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;
    fontScalar = new Vector3(multiplierFont / maxMultiplierDuration, multiplierFont / maxMultiplierDuration , multiplierFont / maxMultiplierDuration);
    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: {Score}";
    if (timeText)
      timeText.GetComponent<TextRenderable>().Text = $"Time Left: {timer.ToString("0")}";
  }

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

    Audio.SetParameter("Detected", 0.0f);

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

    AudioHandler.audioClipHandlers["SFXHumming"] = Audio.CreateAudioClip("event:/Homeowner/homeowner_humming");
    AudioHandler.audioClipHandlers["SFXHumming"].SetVolume(0.15f);
    AudioHandler.audioClipHandlers["SFXHumming"].Play();

    SceneFadeInOut.Instance.CallFadeOut();
  }

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

    if (currGameState == GameState.START)
    {
      timer -= Time.DeltaTimeF;
      if(scoreText)
        scoreText.GetComponent<TextRenderable>().Text = $"{Score}";
      if(timeText)
        timeText.GetComponent<TextRenderable>().Text = $"Time Left: {timer.ToString("0")}";

      if (itemScored)
      {
        //multiplierText.GetComponent<TextRenderable>().Text = $"X {currMultiplierCombo}";
        //multiplierText.GetComponent<Transform>().LocalScale -= fontScalar * Time.DeltaTimeF;
        currMultiplierDuration += Time.DeltaTimeF;

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

      }
      else
      {
        //multiplierText.GetComponent<Transform>().LocalScale = Vector3.Zero;
      }

      if (!goingToLose && ((timer > 0 && totalItemCount <= 0 && !itemShatter) || Input.GetKeyDown(Input.KeyCode.F1)))
      {
        currGameState = GameState.WIN;
        AudioHandler.StopAllSounds(false);
        AudioHandler.audioClipHandlers["BGMWin"].Play();
        goingToWin = true;
        SceneFadeInOut.Instance.CallFadeIn();
      }
      else if(!goingToWin && (timer < 0 || Input.GetKeyDown(Input.KeyCode.F2)))
      {
        currGameState = GameState.LOSE;
        AudioHandler.StopAllSounds(false);
        AudioHandler.audioClipHandlers["BGMLose"].Play();
        goingToLose = true;
        SceneFadeInOut.Instance.CallFadeIn();
      }
    }

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

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

  public void ItemScored()
  {
    totalItemCount -= 1;
    itemScored = true;
    currMultiplierDuration = 0;
    //multiplierText.GetComponent<Transform>().LocalScale = new Vector3(multiplierFont, multiplierFont, multiplierFont);

    if (currMultiplierCombo < maxMultiplierCombo)
      currMultiplierCombo += 1;

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

    }
  
}