using RemSox.Processing;
using RemSox.UI.GUI.Rendering;
using RemSox.UI.GUI.UIEelements.Controls;
using RemSox.UI.GUI.Windows;

using System.Drawing;

namespace RemSox.Processes;

internal class DesktopProcess() : Process("Desktop Manager")
{
    private static bool isGraphicsInitialized = false;

    internal override void Start(string[] args)
    {
        if (!isGraphicsInitialized)
        {
            WindowManager.AddRenderSource(new CanvasRenderSource());
            isGraphicsInitialized = true;
        }

        WindowManager.InvalidateAll();

        // Test window 1: interactive controls
        Window testWindow = WindowManager.CreateWindow(this, "UI Controls", new Size(280, 260));
        testWindow.AutoFlush = true;

        Button button = testWindow.CreateUIElement<Button>(b =>
        {
            b.Position = new Point(20, 30);
            b.Size = new Size(240, 25);
            b.Text = "Click Me";
            b.BackgroundColor = Color.LightBlue;
        });

        button.OnClick += (s, e) =>
        {
            button.Text = "Clicked!";
            button.BackgroundColor = Color.LightGreen;
        };

        CheckBox check = testWindow.CreateUIElement<CheckBox>(c =>
        {
            c.Position = new Point(20, 65);
            c.Size = new Size(240, 20);
            c.Text = "Check Me";
            c.IsChecked = true;
        });

        check.OnCheckedChanged += (s, e) =>
        {
            check.Text = check.IsChecked ? "Checked!" : "Unchecked!";
        };

        RadioButton radio = testWindow.CreateUIElement<RadioButton>(r =>
        {
            r.Position = new Point(20, 95);
            r.Size = new Size(240, 20);
            r.Text = "Radio Option";
            r.IsChecked = true;
        });

        Slider slider = testWindow.CreateUIElement<Slider>(s =>
        {
            s.Position = new Point(20, 130);
            s.Size = new Size(240, 24);
            s.BackgroundColor = Color.SteelBlue;
            s.Value = 60;
        });

        ProgressBar progress = testWindow.CreateUIElement<ProgressBar>(p =>
        {
            p.Position = new Point(20, 170);
            p.Size = new Size(240, 20);
            p.BackgroundColor = Color.DimGray;
            p.FillColor = Color.LimeGreen;
            p.Value = 60;
        });

        slider.OnValueChanged += (_, _) =>
        {
            progress.Value = slider.Value;
        };

        // Test window 2: shapes and panel
        Window shapesWin = WindowManager.CreateWindow(this, "Shapes & Panel", new Size(200, 220));
        shapesWin.AutoFlush = true;

        _ = shapesWin.CreateUIElement<Panel>(p =>
        {
            p.Position = new Point(10, 25);
            p.Size = new Size(180, 80);
            p.BackgroundColor = Color.FromArgb(48, 48, 48);
        });

        _ = shapesWin.CreateUIElement<UI.GUI.UIEelements.Shapes.Circle>(c =>
        {
            c.Position = new Point(20, 35);
            c.Radius = 10;
            c.Color = Color.Coral;
        });

        _ = shapesWin.CreateUIElement<UI.GUI.UIEelements.Shapes.Rectangle>(r =>
        {
            r.Position = new Point(60, 35);
            r.Size = new Size(50, 30);
            r.Color = Color.CornflowerBlue;
            r.IsFilled = true;
        });

        _ = shapesWin.CreateUIElement<UI.GUI.UIEelements.Shapes.Text>(t =>
        {
            t.Position = new Point(10, 120);
            t.Content = "Hello from the desktop!";
            t.Color = Color.White;
            t.FontSize = 14;
        });

        _ = shapesWin.CreateUIElement<UI.GUI.UIEelements.Shapes.Line>(l =>
        {
            l.Position = new Point(10, 150);
            l.EndPosition = new Point(180, 180);
            l.Color = Color.Orange;
        });

        CheckBox shapesCheck = shapesWin.CreateUIElement<CheckBox>(c =>
        {
            c.Position = new Point(10, 185);
            c.Size = new Size(180, 20);
            c.Text = "Toggle";
        });

        shapesCheck.OnCheckedChanged += (_, _) => { };
    }

    internal override void Tick()
    {
        WindowManager.Update();

        if (!ProcessManager.IsProcessRunning<TerminalProcess>())
        {
            _ = ProcessManager.SpawnProcess<TerminalProcess>();
        }
    }
}