using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Xml;
using System.Text;

public class StartGameUI : MonoBehaviour 
{
	public GUISkin mySkin;
	public Transform spaceMap;
	public Transform selectShip;
	public Transform[] previewShips;
	public GameObject globalObject;
	public enum UIState{SELECT_GAME,SELECT_SHIP,FREE_MAP, LANGUAGE};
	private Vector2 windowSize=new Vector2(400,450);
	private Rect windowRect;
	private Vector2 selectWindowSize = new Vector2(400,350);
	private Rect selectWindowRect;
	private UIState uiState=UIState.SELECT_GAME;
	private bool[] toggleValue;
	public TextAsset dictionary;
	public string languageName;
	public int currentLanguage;
	string button1;
	string button2;
	string button3;
	string button4;
	string button5;
	string button6;
	string label;
	string label2;
	string label3;
	List<Dictionary<string, string>> languages = new List<Dictionary<string, string>>();
	Dictionary<string, string> obj;

	void Awake(){
		Reader ();
		}

	void Update(){
		languages [currentLanguage].TryGetValue ("Name", out languageName);
		languages [currentLanguage].TryGetValue ("button1", out button1);
		languages [currentLanguage].TryGetValue ("button2", out button2);
		languages [currentLanguage].TryGetValue ("button3", out button3);
		languages [currentLanguage].TryGetValue ("button4", out button4);
		languages [currentLanguage].TryGetValue ("button5", out button5);
		languages [currentLanguage].TryGetValue ("button6", out button6);
		languages [currentLanguage].TryGetValue ("label", out label);
		languages [currentLanguage].TryGetValue ("label2", out label2);
		languages [currentLanguage].TryGetValue ("label3", out label3);
		}

	void Reader() {
		XmlDocument XmlDoc = new XmlDocument ();
		XmlDoc.LoadXml (dictionary.text);
		XmlNodeList languagesList = XmlDoc.GetElementsByTagName ("language");

		foreach(XmlNode languageValue in languagesList){
			XmlNodeList languageContent = languageValue.ChildNodes;
			obj = new Dictionary<string, string>();

			foreach(XmlNode Value in languageContent) {
				if (Value.Name == "Name")
					obj.Add(Value.Name, Value.InnerText);

				if (Value.Name == "button1")
					obj.Add(Value.Name, Value.InnerText);

				if (Value.Name == "button2")
					obj.Add(Value.Name, Value.InnerText);

				if (Value.Name == "button3")
					obj.Add(Value.Name, Value.InnerText);

				if (Value.Name == "button4")
					obj.Add(Value.Name, Value.InnerText);

				if (Value.Name == "button5")
					obj.Add(Value.Name, Value.InnerText);

				if (Value.Name == "button6")
					obj.Add(Value.Name, Value.InnerText);

				if (Value.Name == "label")
					obj.Add(Value.Name, Value.InnerText);

				if (Value.Name == "label2")
					obj.Add(Value.Name, Value.InnerText);

				if (Value.Name == "label3")
					obj.Add(Value.Name, Value.InnerText);
			  }
			languages.Add(obj);
		   }
		}

	void Start()
	{
		if(GameObject.Find("GlobalObject")==null)
		{
			GameObject obj = Instantiate(globalObject)as GameObject;
			obj.name = "GlobalObject";
		}
		windowRect = new Rect(Screen.width/2-windowSize.x/2,Screen.height/2-windowSize.y/2,windowSize.x,windowSize.y);
		selectWindowRect = new Rect(Screen.width/2-selectWindowSize.x/2,150,selectWindowSize.x,selectWindowSize.y);
		toggleValue = new bool[previewShips.Length];
		toggleValue[0]=true;

		if(GlobalObject.Instance.showMap)
		{
			FreeMap();
		}
	}
	void OnGUI()
	{
		GUI.skin=mySkin;
		if(uiState==UIState.SELECT_GAME)SelectGameUI();
		else if(uiState==UIState.SELECT_SHIP)SelectShipUI();
		else if(uiState==UIState.FREE_MAP)FreeMapUI();
		else if(uiState==UIState.LANGUAGE)LanguageUI();
	}

	void LanguageUI(){
		windowRect = GUI.Window(2,windowRect,SelectLanguageWindow,"");
		}

	void SelectGameUI()
	{
		windowRect = GUI.Window(0,windowRect,SelectGameWindow,"");
	}
	void SelectShipUI()
	{
		selectWindowRect = GUI.Window(1,selectWindowRect,SelectShipWindow,"");
		for(int i=0;i<previewShips.Length;i++)
		{
			string name = previewShips[i].name;
			Vector3 cen = Camera.main.WorldToScreenPoint(previewShips[i].position);
			bool preValue = toggleValue[i];
			toggleValue[i]=GUI.Toggle(new Rect(cen.x-50,Screen.height-cen.y+140,200,60),toggleValue[i],name);
			if(preValue&&!toggleValue[i])
				toggleValue[i]=true;
			if(toggleValue[i])
			{
				GlobalObject.Instance.shipType = i;
				for(int j=0;j<toggleValue.Length;j++)
					if(j!=i)
						toggleValue[j]=false;
			}
		}
	}
	void FreeMapUI()
	{
		if(Input.GetKeyDown(KeyCode.Escape))
		{
			ContinueGame();
		}
	}

	void SelectGameWindow(int windowID)
	{
		GUILayout.BeginHorizontal();
		GUILayout.Space(10);
		
		GUILayout.BeginVertical();
		
		GUILayout.BeginHorizontal ();
		GUILayout.FlexibleSpace();
		GUILayout.Label(label,"ShortLabel");
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal ();
		GUILayout.Space(10);
		
		GUILayout.Label("", "Divider");
		
		GUILayout.BeginHorizontal();
		GUILayout.FlexibleSpace();
		if(GUILayout.Button(button1,"BigButton"))
		{
			NewGame();
		}
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal();
		
		GUILayout.Space(10);
		
		GUILayout.Label("", "Divider");
		
		GUILayout.BeginHorizontal();
		GUILayout.FlexibleSpace();
		if(GUILayout.Button(button2,"BigButton"))
		{
			ContinueGame();
		}
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal();
		
		GUILayout.Space(10);
		
		GUILayout.Label("", "Divider");
		
		GUILayout.BeginHorizontal();
		GUILayout.FlexibleSpace();
		if(GUILayout.Button(button3,"BigButton"))
		{
			Language();
		}
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal();
		
		GUILayout.Space(10);
		
		GUILayout.Label("", "Divider");
		
		GUILayout.BeginHorizontal();
		GUILayout.FlexibleSpace();
		if(GUILayout.Button(button4,"BigButton"))
		{
			ExitGame();
		}
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal();
		
		GUILayout.EndVertical();
		
		GUILayout.Space(10);
		GUILayout.EndHorizontal();
		
		GUI.DragWindow ();
	}
	void SelectShipWindow(int windowID)
	{
		GUILayout.BeginHorizontal();
		GUILayout.Space(10);
		
		GUILayout.BeginVertical();
		
		GUILayout.BeginHorizontal ();
		GUILayout.FlexibleSpace();
		GUILayout.Label(label2,"ShortLabel");
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal ();
		GUILayout.Space(15);
		
		GUILayout.Label("", "Divider");
		
		GUILayout.BeginHorizontal();
		GUILayout.FlexibleSpace();
		if(GUILayout.Button(button5,"BigButton"))
		{
			FreeMap();
		}
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal();
		
		GUILayout.Space(10);
		
		GUILayout.Label("", "Divider");
		
		GUILayout.BeginHorizontal();
		GUILayout.FlexibleSpace();
		if(GUILayout.Button(button6,"BigButton"))
		{
			uiState = UIState.SELECT_GAME;
			selectShip.gameObject.SetActive(false);
		}
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal();
		
		GUILayout.Space(10);
		
		GUILayout.Label("", "Divider");
		
		GUILayout.BeginHorizontal();
		GUILayout.FlexibleSpace();
		if(GUILayout.Button(button4,"BigButton"))
		{
			ExitGame();
		}
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal();

		GUILayout.EndVertical();
		
		GUILayout.Space(10);
		GUILayout.EndHorizontal();

		GUI.DragWindow();
	}

	void SelectLanguageWindow(int windowID)
	{
		GUILayout.BeginHorizontal();
		GUILayout.Space(10);
		
		GUILayout.BeginVertical();
		
		GUILayout.BeginHorizontal ();
		GUILayout.FlexibleSpace();
		GUILayout.Label(label3,"ShortLabel");
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal ();
		GUILayout.Space(15);
		
		GUILayout.Label("", "Divider");
		
		GUILayout.BeginHorizontal();
		GUILayout.FlexibleSpace();
		if(GUILayout.Button("  English  ","BigButton"))
		{
			currentLanguage = 0;
		}
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal();
		
		GUILayout.Space(10);
		
		GUILayout.Label("", "Divider");
		
		GUILayout.BeginHorizontal();
		GUILayout.FlexibleSpace();
		if(GUILayout.Button("  Italian  ","BigButton"))
		{
			currentLanguage = 1;
		}
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal();
		
		GUILayout.Space(10);
		
		GUILayout.Label("", "Divider");
		
		GUILayout.BeginHorizontal();
		GUILayout.FlexibleSpace();
		if(GUILayout.Button(button6,"BigButton"))
		{
			uiState = UIState.SELECT_GAME;
			selectShip.gameObject.SetActive(false);
		}
		GUILayout.FlexibleSpace();
		GUILayout.EndHorizontal();
		
		GUILayout.EndVertical();
		
		GUILayout.Space(10);
		GUILayout.EndHorizontal();
		
		GUI.DragWindow();
	}

	void NewGame()
	{
		uiState = UIState.SELECT_SHIP;
		PlayerPrefs.SetInt("PlayerFinishedLevel",0);
		GlobalObject.Instance.nowLevel = 0;
		spaceMap.gameObject.SetActive(false);
		selectShip.gameObject.SetActive(true);
	}
	void ContinueGame()
	{
		uiState = UIState.SELECT_SHIP;
		spaceMap.gameObject.SetActive(false);
		selectShip.gameObject.SetActive(true);
	}
	void FreeMap()
	{
		uiState = UIState.FREE_MAP;
		selectShip.gameObject.SetActive(false);
		spaceMap.gameObject.SetActive(true);
	}

	void Language(){
		uiState = UIState.LANGUAGE;
	}

	void ExitGame()
	{
		Application.Quit();
	}
}