using SHADE;
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; }

  protected override void awake()
  {
    if (Instance != null && Instance != this)
      RemoveScript<GameManager>();
    else
      Instance = this;

    Audio.PlayBGMOnce2D("event:/Music/player_undetected");
    Audio.PlayBGMOnce2D("event:/Ambience/roomtone_kitchen");
    totalItemCount = 0;
    Score = 0;
    currGameState = GameState.START;
    itemScored = false;
    currMultiplierCombo = 1;
    currMultiplierDuration = 0;
    fontScalar = new Vector3(multiplierFont / maxMultiplierDuration, multiplierFont / maxMultiplierDuration , multiplierFont / maxMultiplierDuration);
  }

  protected override void update()
  {
    Cheats();
    if (currGameState == GameState.START)
    {
      timer -= Time.DeltaTimeF;
      if(scoreText)
        scoreText.GetComponent<TextRenderable>().Text = $"Score: {Score}";
      if(timeText)
        timeText.GetComponent<TextRenderable>().Text = $"Time Left: {timer.ToString("0.00")}";

      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 ((timer > 0 && totalItemCount < 0) || Input.GetKeyDown(Input.KeyCode.F1))
      {
        currGameState = GameState.WIN;
        Audio.StopAllSounds();
        SceneManager.ChangeScene(winScene);
        Audio.PlaySFXOnce2D("event:/Music/stingers/game_win");
      }
      else if(timer < 0 || Input.GetKeyDown(Input.KeyCode.F2))
      {
        currGameState = GameState.LOSE;
        Audio.StopAllSounds();
        SceneManager.ChangeScene(loseScene);
        Audio.PlaySFXOnce2D("event:/Music/stingers/game_lose");
      }
    }
  }

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

  private void Cheats()
  {
    if (Input.GetKeyDown(Input.KeyCode.Escape))
    {
      Audio.StopAllSounds();
      SceneManager.ChangeScene(97158628);
    }
  }

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