#region Usings

using Microsoft.Xna.Framework;
using Rite_of_passage.Globals;
using Rite_of_passage.Models.GUI.Elements.AnimatedPanels;
using Rite_of_passage.Models.GUI.Models;
using Rite_of_passage.Tools;

#endregion

namespace Rite_of_passage.Models.GUI.Menus
{
    public class GuiMainMenu : GuiTemplate
    {
        #region Load

        public override void LoadContent()
        {
            LoadSplashScreen();

            LoadMainMenu();

            LoadOptionsMenu();

            LoadFullScreen();

            LoadQuitMenu();

            SelectMenu("SplashScreen");

            base.LoadContent();
        }

        private void LoadFullScreen()
        {
            var yes = new TextPanel("< Yes >",
                new Vector2(Screen.Center.X, Screen.Center.Y - VerticalSpacing / 2f),
                MediumFont,
                Color.White, true);

            var no = new TextPanel("< No >",
                new Vector2(Screen.Center.X, Screen.Center.Y + VerticalSpacing / 2f),
                MediumFont,
                Color.White, true);

            var back = new TextPanel("< Back >",
                new Vector2(Screen.Center.X, Screen.Center.Y + VerticalSpacing * 2f),
                MediumFont,
                Color.White, true);

            var title = new TextPanel("-- Are you sure? --",
                new Vector2(Screen.Center.X, yes.Position.Y - VerticalSpacing * 2),
                MediumFont,
                Color.White, true);

            GuiGroup newGroup = new GuiGroup();

            newGroup.Add(yes);
            newGroup.Add(no);
            newGroup.Add(back);
            newGroup.SetTitle(title);

            DicoGroups.Add("FullScreen", newGroup);
        }

        private void LoadOptionsMenu()
        {
            var reDefKeys = new TextPanel("< Redefine Keys >",
                new Vector2(Screen.Center.X, Screen.Center.Y - VerticalSpacing / 2f),
                MediumFont,
                Color.White, true);

            var fullScreen = new TextPanel("< Toggle FullScreen >",
                new Vector2(Screen.Center.X, Screen.Center.Y + VerticalSpacing / 2f),
                MediumFont,
                Color.White, true);

            var back = new TextPanel("< Back >",
                new Vector2(Screen.Center.X, Screen.Center.Y + VerticalSpacing * 2f),
                MediumFont,
                Color.White, true);

            var title = new TextPanel("-- Options --",
                new Vector2(Screen.Center.X, reDefKeys.Position.Y - VerticalSpacing * 2),
                MediumFont,
                Color.White, true);

            GuiGroup newGroup = new GuiGroup();

            newGroup.Add(reDefKeys);
            newGroup.Add(fullScreen);
            newGroup.Add(back);
            newGroup.SetTitle(title);

            DicoGroups.Add("Options", newGroup);
        }

        private void LoadQuitMenu()
        {
            var yes = new TextPanel("< Yes >",
                new Vector2(Screen.Center.X, Screen.Center.Y - VerticalSpacing / 2f),
                MediumFont,
                Color.White, true);

            var no = new TextPanel("< No >",
                new Vector2(Screen.Center.X, Screen.Center.Y + VerticalSpacing / 2f),
                MediumFont,
                Color.White, true);

            var title = new TextPanel("-- Are you sure? --",
                new Vector2(Screen.Center.X, yes.Position.Y - VerticalSpacing * 2),
                MediumFont,
                Color.White, true);

            GuiGroup newGroup = new GuiGroup();

            newGroup.Add(yes);
            newGroup.Add(no);
            newGroup.SetTitle(title);

            DicoGroups.Add("Quit", newGroup);
        }

        private void LoadMainMenu()
        {

            var start = new TextPanel("< Start >",
                new Vector2(Screen.Center.X, Screen.Center.Y - VerticalSpacing / 2f),
                MediumFont,
                Color.White, true);

            var options = new TextPanel("< Options >",
                new Vector2(Screen.Center.X, Screen.Center.Y + VerticalSpacing / 2f),
                MediumFont,
                Color.White, true);

            var quit = new TextPanel("< Quit >",
                new Vector2(Screen.Center.X, Screen.Center.Y + VerticalSpacing * 2f),
                MediumFont,
                Color.White, true);

            var title = new TextPanel("-- Main Menu --",
                new Vector2(Screen.Center.X, Screen.Center.Y - VerticalSpacing * 2),
                MediumFont,
                Color.White, true);


            GuiGroup newGroup = new GuiGroup();

            newGroup.Add(start);
            newGroup.Add(options);
            newGroup.Add(quit);
            newGroup.SetTitle(title);
            newGroup.SetAlpha(0);
            newGroup.TurnOn();

            DicoGroups.Add("MainMenu", newGroup);
        }

        private void LoadSplashScreen()
        {
            string textPanelString = "< Press Space >";

            var textPanel = new TextPanel(textPanelString,
                Screen.Center,
                BigFont,
                Color.White, true);

            textPanel.SetStep(0.02f);
            textPanel.Blink(true);

            GuiGroup newGroup = new GuiGroup { IsActive = true };
            newGroup.Add(textPanel);
            newGroup.IsCursor = false;

            DicoGroups.Add("SplashScreen", newGroup);
        }

        #endregion

        public override void Confirm()
        {
            switch (CurrentMenu)
            {
                case "SplashScreen":
                    EmitConfirmSound();
                    SelectMenu("MainMenu");
                    ResetCursorPos();
                    break;

                case "MainMenu":
                    if (Selection == 0)
                    {
                        EmitConfirmSound();
                        OnStart?.Invoke();
                    }
                    else if (Selection == 1)
                    {
                        EmitClickSound();
                        SelectMenu("Options");
                        ResetCursorPos();
                    }
                    else if (Selection == 2)
                    {
                        EmitClickSound();
                        SelectMenu("Quit");
                        ResetCursorPos();
                    }
                    break;

                case "Options":
                    if (Selection == 0)
                    {
                        World.Camera.Shake(Camera.Impact.Small);
                        EmitErrorSound();
                    }
                    else if (Selection == 1)
                    {
                        EmitClickSound();
                        SelectMenu("FullScreen");
                        ResetCursorPos();
                    }
                    else if (Selection == 2)
                    {
                        EmitCancelSound();
                        SelectMenu("MainMenu");
                        ResetCursorPos();
                    }
                    break;

                case "Quit":
                    if (Selection == 0)
                        OnQuit?.Invoke();
                    else if (Selection == 1)
                    {
                        EmitCancelSound();
                        SelectMenu("MainMenu");
                        ResetCursorPos();
                    }
                    break;

                case "FullScreen":
                    if (Selection == 0)
                    {
                        if (!Screen.IsFullScreen)
                        {
                            EmitClickSound();
                            Screen.SetFullScreen(true);
                        }
                    }
                    else if (Selection == 1)
                    {
                        if (Screen.IsFullScreen)
                        {
                            EmitClickSound();
                            Screen.SetFullScreen(false);
                        }
                    }
                    else if (Selection == 2)
                    {
                        EmitCancelSound();
                        SelectMenu("Options");
                        ResetCursorPos();
                    }
                    break;
            }

            base.Confirm();
        }

        public override void Cancel()
        {
            switch (CurrentMenu)
            {
                case "SplashScreen":
                    break;

                case "MainMenu":
                    SelectMenu("SplashScreen");
                    break;

                case "Options":
                    SelectMenu("MainMenu");
                    ResetCursorPos();
                    break;

                case "FullScreen":
                    SelectMenu("Options");
                    ResetCursorPos();
                    break;

                case "Quit":
                    SelectMenu("MainMenu");
                    ResetCursorPos();
                    break;
            }

            if (CurrentMenu != "SplashScreen")
                EmitCancelSound();

            base.Cancel();
        }
    }
}