using System.Numerics;
using ImGuiNET;

namespace SzGui.Windows;

public class SettingsWindow : SzGuiWindowBase
{
    private bool _settingsDirty = false;

    public SettingsWindow() => WindowName = "App Settings";

    protected override void RenderContent()
    {
        ImGui.SeparatorText("Application Settings");

        foreach (var setting in ApplicationSettings.GetAllSettings().ToList())
        {
            string key = setting.Key;
            object val = setting.Value;
            bool changed = false;

            if (val is bool boolVal)
            {
                if (ImGui.Checkbox(key, ref boolVal))
                {
                    ApplicationSettings.SetSettingValue(key, boolVal);
                    changed = true;
                }
            }
            else if (val is float floatVal || val is double)
            {
                float f = Convert.ToSingle(val);
                if (ImGui.DragFloat(key, ref f, 0.01f))
                {
                    ApplicationSettings.SetSettingValue(key, f);
                    changed = true;
                }
            }
            else if (val is string strVal)
            {
                if (ImGui.InputText(key, ref strVal, 256))
                {
                    ApplicationSettings.SetSettingValue(key, strVal);
                    changed = true;
                }
            }

            if (ImGui.IsItemHovered())
            {
                ImGui.SetTooltip($"Internal Key: {key}");
            }
            
            if (changed) _settingsDirty = true;
        }

        ImGui.Separator();

        if (ImGui.Button("Save Changes"))
        {
            ApplicationSettings.SaveSettings();
            _settingsDirty = false;
        }
        
        ImGui.SameLine();
        
        if (ImGui.Button("Reload from Disk"))
        {
            ApplicationSettings.LoadSettings();
        }
        
        if (_settingsDirty) 
        {
            ImGui.TextColored(new Vector4(1, 0.5f, 0, 1), "You have unsaved changes!");
        }
    }
}