using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Interop;
using TMPro;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;

namespace Horizon
{
    public class HorizonUI : MonoBehaviour
    {
        static readonly String prefix = "(HorizonUi)";
        static readonly String officialMenuScene = "simulation";
        static readonly String officialMenuUi = "MainMenuUI";
        static readonly String officialMenuUiChild = "MainMenu";
        static readonly String officialInGameUi = "InGameUI";
        static readonly String officialMenuTopLevel = "TopLevel";

        private static UnityModManagerNet.UnityModManager.ModEntry mod;
        private static int waitDuration = 100;

        private static bool searchingForGameState;
        private static bool searchingForMainMenu;
        private static bool searchingForMenuNode;
        private static bool searchingForTopLevel;

        static Scene scene;

        // Extern

        public static void Init( UnityModManagerNet.UnityModManager.ModEntry modEntry )
        {
            mod = modEntry;
            searchingForMainMenu  = true;
            searchingForGameState = true;
            searchingForMenuNode  = true;
            searchingForTopLevel  = true;
            HorizonUI horizonUiManager = new HorizonUI();
            HorizonMessages.writeMessage(prefix,
                                                 "Creating new Thread.",
                                                 mod);
            Thread uiThread = new Thread( delegate() {
                horizonUiManager.CreateMenu();
            });
            uiThread.Start();


        }

        public void CreateMenu()
        {
            //While of death
            while (searchingForMainMenu)
            {
                scene = SceneManager.GetActiveScene();
                if (scene.name == officialMenuScene )
                {
                    HorizonMessages.writeMessage(prefix,
                                                 "Found main menu scene: " + scene.name + ".",
                                                 mod);
                    searchingForMainMenu = false;
                    while (searchingForGameState)
                    {
                        if (GameState.inst != null)
                        {
                            HorizonMessages.Debug("gamestate is not null anymore", mod);
                            searchingForGameState = false;
                            while (searchingForMenuNode)
                            {
                                if (GameState.inst.mainMenuMode != null)
                                {
                                    HorizonMessages.Debug("gamemode is not null anymore", mod);
                                    searchingForMenuNode = false;
                                    while (searchingForTopLevel)
                                    {
                                        if (GameState.inst.mainMenuMode.topLevelUI != null)
                                        {
                                            HorizonMessages.Debug("toplevel is not null anymore", mod);
                                            searchingForTopLevel = false;

                                        }
                                        else
                                        {
                                            HorizonMessages.Debug("toplevel is null", mod);
                                            Thread.Sleep(waitDuration);
                                        }

                                    }

                                }
                                else
                                {
                                    HorizonMessages.Debug("gamemode is null", mod);
                                    Thread.Sleep(waitDuration);
                                }

                            }
                        }
                        else
                        {
                            HorizonMessages.Debug("gamestate is null", mod);
                            Thread.Sleep(waitDuration);
                        }
                    }
                }
                else
                {
                    Thread.Sleep(waitDuration);
                }
            }


            HorizonMessages.writeMessage(prefix, "Left while loop.", mod);


            GameObject topLevel = GameState.inst.mainMenuMode.topLevelUI;
            GameObject horizonBanner = new GameObject();
            DontDestroyOnLoad(horizonBanner);

            Text text = horizonBanner.AddComponent<Text>();
            RectTransform t = text.transform as RectTransform;
            horizonBanner.transform.parent = topLevel.transform;

            text.text = "Lingadium levi displaynow!";
            text.color = Color.red;
            text.font = Resources.GetBuiltinResource(typeof(Font), "Arial.ttf") as Font;
            text.fontSize = 20;

            t.anchorMin = new Vector2(0f, 1f);
            t.anchorMax = new Vector2(0f, 1f);
            t.pivot = new Vector2(0f, 1f);
            t.sizeDelta = new Vector2(200, 50);
            t.anchoredPosition = new Vector2(0, 0);

            /*
            t.anchorMin = new Vector2(0f, 1f);
            t.anchorMax = new Vector2(0f, 1f);
            t.pivot = new Vector2(0f, 1f);
            t.sizeDelta = new Vector2(200, 50);
            t.anchoredPosition = new Vector2(50f, -50f);
            */

            //t.transform.position = new Vector2(-200, 40);
            /*
            TextMeshProUGUI tmpU = topLevel.GetComponent<TextMeshProUGUI>();
            tmpU.text = "lol";
            */

            /*
            Text text = (new GameObject()).AddComponent<Text>();

            text.transform.SetParent(horizonCanvas.transform);
            text.text = "Lingardium levi displaynow!";
            RectTransform t = text.transform as RectTransform;


            //Rect rect = t.rect;
            t.anchorMin = new Vector2(0f, 1f);
            t.anchorMax = new Vector2(0f, 1f);
            t.pivot = new Vector2(0f, 1f);
            t.sizeDelta = new Vector2(200, 50);
            t.anchoredPosition = new Vector2(50f, -50f);
            */


            //trans.anchoredPosition = new Vector2(20, 20);


            HorizonMessages.writeMessage(prefix, "HorizonUi loaded.", mod);
        }




        public  static Scene getCurrentScene()
        {
            return SceneManager.GetActiveScene();
        }

        public static String getSceneName(Scene scene)
        {
            return scene.name;
        }


    }
}