using UnityEngine;
using UnityEngine.UI;

public class ScreenManager : MonoBehaviour {

	public GenericPlayerManager playerManager;

	public GameObject infoScreen;
	public GameObject translateScreen;
	public GameObject dictScreen;
	public GameObject tutorialScreen;

	public SwitchImageAttribute textButtonImage;
	public SwitchImageAttribute dictButtonImage;
	public SwitchImageAttribute infoButtonImage;

	public void Update()
	{
		if (Input.GetKeyDown(KeyCode.Escape)) 
		{
			if (infoScreen.activeSelf)
			{
				infoScreen.SetActive(false);
				infoButtonImage.switchAttribute(false);
			}
			else if (translateScreen.activeSelf)
			{
				translateScreen.SetActive(false);
				textButtonImage.switchAttribute(false);
			}
			else if (dictScreen.activeSelf)
			{
				dictScreen.SetActive(false);
				dictButtonImage.switchAttribute(false);
			}
			else if (tutorialScreen.activeSelf)
			{
				tutorialScreen.SetActive(false);
			}
			else
			{
				Application.Quit();
			}
		}
	}

	public void hideScreen()
	{
		playerManager.getRandomAnimations().play();

		if (infoScreen.activeSelf)
		{
			infoScreen.SetActive(false);
			infoButtonImage.switchAttribute(false);
		}

		if (translateScreen.activeSelf)
		{
			translateScreen.SetActive(false);
			textButtonImage.switchAttribute(false);
		}

		if (dictScreen.activeSelf)
		{
			dictScreen.SetActive(false);
			dictButtonImage.switchAttribute(false);
		}

		if (tutorialScreen.activeSelf)
		{
			tutorialScreen.SetActive(false);
		}
	}

	public void switchScreen(GameObject screen)
	{
		bool active = screen.activeSelf;

		hideScreen();

		if (active) return;

		screen.SetActive(true);

		playerManager.stopAll();
		playerManager.getRandomAnimations().stop();

		if (screen == infoScreen)
			infoButtonImage.switchAttribute(true);

		if (screen == translateScreen)
			textButtonImage.switchAttribute(true);

		if (screen == dictScreen)
			dictButtonImage.switchAttribute(true);
	}

}