using System;
using System.Collections.Generic;
using FNAF_Clone.Map;
using GlobalClassLib;
using Microsoft.Xna.Framework;
using MonoGameLibrary;
using MonoGameLibrary.Graphics;

namespace FNAF_Clone.GUI;

public class UIManager {
    
    public static class ScreenTypes {
        public const string OFFICE = "office";
        public const string CAMERAS = "monitor";
    }
    
    private static Screen officeScreen = new(ScreenTypes.OFFICE);
    private static Screen monitorScreen = new(ScreenTypes.CAMERAS);
    
    private static TextureAtlas testAtlas;
    private static TextureAtlas officeAtlas;
    private static TextureAtlas monitorAtlas;
    public static int GlobalPixelMultiplier{ get; private set; }
    
    private Dictionary<(int, int), UIElement> doorElements = new();
    public static void InitUI() {
        GlobalPixelMultiplier = Core.graphicsDevice.Viewport.Height / 360;
        
        testAtlas = TextureAtlas.FromFile(Core.content, "images/testBlocks-definition.xml");
        officeAtlas = TextureAtlas.FromFile(Core.content, "images/office-definition.xml");
        monitorAtlas = TextureAtlas.FromFile(Core.content, "images/monitor-definition.xml");
        
        Screen.AddScreens([officeScreen, monitorScreen]);
        Screen.SetScreen(ScreenTypes.OFFICE);
        
        
        officeScreen.AddElement("office_left", new UIElement([officeAtlas[3], officeAtlas[0]], Point.Zero));
        officeScreen.AddElement("office_centre", new UIElement([officeAtlas[4], officeAtlas[1]], new Point(200, 0)));
        officeScreen.AddElement("office_right", new UIElement([officeAtlas[5], officeAtlas[2]], new Point(440, 0)));
        
        // officeScreen.AddElement("test", 
        //     new UIElement(testAtlas[0], Point.Zero)
        //         {Pressable = true, OnMousePress = () => Console.WriteLine("Pressed!")}
        // );
        
        monitorScreen.AddElement("screen", new UIElement(monitorAtlas[0], Point.Zero));
        monitorScreen.AddElement("view-frame", new UIElement(monitorAtlas[1], new Point(62, 55)));
        monitorScreen.AddElement("map-frame", new UIElement(monitorAtlas[2], new Point(334, 135)));
        monitorScreen.AddElement("map", new UIElement(monitorAtlas[3], new Point(334, 135)));

        for (int i = 0; i < 5; i++){ // NOTE: this loop does y in reverse, y labels are inverted to match server
            for (int j = 0; j < 5; j++){
                int i1 = i;
                int j1 = j;
                Point point1 = new Point(336 + (32 * i), 144 + (32 * j));
                Point point2 = new Point(367 + (32 * i), 175 + (32 * j));
                monitorScreen.AddElement($"room{ClientMapManager.CoordsToId(i, 4 - j)}", new UIElement(point1, point2)
                    {Pressable = true, OnMousePress = (() => CommandManager.SendChangeCamera(ClientMapManager.Get((i1, 4 - j1)).Id))});
                //
                // if (doorPositions.ContainsKey((i, j))){
                //     monitorScreen.AddElement("door"+doorPositions[(i, j)], new UIElement([monitorAtlas[5], monitorAtlas[6]], point1));
                // }
            }
        }
    }

    public static void SpawnDoors(TileConnectorProjection[] doors) {
        foreach (var door in doors){
            if(door.Type != ConnectorType.DOOR_REMOTE) continue;
            
            (int x, int y) dpos = (Math.Abs(door.Tiles.tile1.GridPosition.x - door.Tiles.tile2.GridPosition.x), Math.Abs(door.Tiles.tile1.GridPosition.y - door.Tiles.tile2.GridPosition.y));
            
            if (dpos.y == 1){
                int targetId = door.Tiles.tile1.GridPosition.y > door.Tiles.tile2.GridPosition.y ? door.Tiles.tile1.Id : door.Tiles.tile2.Id;
                UIElement tile = monitorScreen["room"+targetId];
                
                monitorScreen.AddElement("door"+Math.Max(door.Tiles.tile1.Id, door.Tiles.tile2.Id)+"-"+Math.Min(door.Tiles.tile1.Id, door.Tiles.tile2.Id), new UIElement([monitorAtlas[5], monitorAtlas[6]], tile.Bounds.Item1));
            }
        }
        
        monitorScreen.AddElement("p1-office-door-left", new UIElement([monitorAtlas[7], monitorAtlas[8]], new Point(400, 272)));
        monitorScreen.AddElement("p1-office-door-centre", new UIElement([monitorAtlas[9], monitorAtlas[10]], new Point(400, 272)));
        monitorScreen.AddElement("p1-office-door-right", new UIElement([monitorAtlas[11], monitorAtlas[12]], new Point(400, 272)));
        monitorScreen.AddElement("p2-office-door-right", new UIElement([monitorAtlas[13], monitorAtlas[14]], new Point(400, 144)));
        monitorScreen.AddElement("p2-office-door-centre", new UIElement([monitorAtlas[15], monitorAtlas[16]], new Point(400, 144)));
        monitorScreen.AddElement("p2-office-door-left", new UIElement([monitorAtlas[17], monitorAtlas[18]], new Point(400, 144)));

    }
    
    public static void ChangeDoorState(Direction dir, bool state) {
        int stateInt = state ? 1 : 0;
        
        switch ((int)dir){
            case 0:
                officeScreen["office_left"].SetTexture(stateInt);
                monitorScreen["p1-office-door-left"].SetTexture(stateInt);
                break;
            case 1:
                officeScreen["office_centre"].SetTexture(stateInt);
                monitorScreen["p1-office-door-centre"].SetTexture(stateInt);
                break;
            case 2:
                officeScreen["office_right"].SetTexture(stateInt);
                monitorScreen["p1-office-door-right"].SetTexture(stateInt);
                break;
        }
    }
    
    public static void ChangeDoorStateOpponent(Direction dir, bool state) { // TODO: overload to avoid excessive casting
        int stateInt = state ? 1 : 0;
        
        switch ((int)dir){
            case 0:
                monitorScreen["p2-office-door-left"].SetTexture(stateInt);
                break;
            case 1:
                monitorScreen["p2-office-door-centre"].SetTexture(stateInt);
                break;
            case 2:
                monitorScreen["p2-office-door-right"].SetTexture(stateInt);
                break;
        }
    }

    public static void ChangeRemoteDoorState((int, int) id, bool state) {
        monitorScreen["door"+Math.Max(id.Item1, id.Item2)+"-"+Math.Min(id.Item1, id.Item2)].SetTexture(state ? 1 : 0);
    }
    
    public static void ChangeMonitorState(bool state) {
        Screen.SetScreen(state ? ScreenTypes.CAMERAS : ScreenTypes.OFFICE);
    }
    
    
}