using System.Collections.Generic;
using UnityEngine.Rendering;

namespace Unity.Toonshader
{
    public static class UTSDebugPanel
    {
        static bool isPanelEnabled = false;

        static UTS_BSDFDebug uTS_BSDFData = UTS_BSDFDebug.None;
        static UTS_LightingDebug uTS_LightingData = UTS_LightingDebug.None;

        public static void OnEnable()
        {
            if (isPanelEnabled)
                return;

            // Create a list of widgets
            List<DebugUI.Widget> widgetList = new List<DebugUI.Widget>();

            // Add a checkbox widget to the list of widgets
            widgetList.AddRange(new DebugUI.Widget[]
            {
                new DebugUI.EnumField
                {
                    displayName = "BSDF debug mode",
                    tooltip = "Select a bsdf debug mode",
                    getter = () => (int)uTS_BSDFData,
                    setter = value => uTS_BSDFData = (UTS_BSDFDebug)value,
                    getIndex = () => (int)uTS_BSDFData,
                    setIndex = value => uTS_BSDFData = (UTS_BSDFDebug)value,
                    autoEnum = typeof(UTS_BSDFDebug), onValueChanged = BSDFDebugChanged
                },
                new DebugUI.EnumField
                {
                    displayName = "Lighting debug mode",
                    tooltip = "Select a lighting debug mode",
                    getter = () => (int)uTS_LightingData,
                    setter = value => uTS_LightingData = (UTS_LightingDebug)value,
                    getIndex = () => (int)uTS_LightingData,
                    setIndex = value => uTS_LightingData = (UTS_LightingDebug)value,
                    autoEnum = typeof(UTS_LightingDebug), onValueChanged = LightingDebugChanged
                },
            });

            // Create a new panel (tab) in the Rendering Debugger
            DebugUI.Panel panel = DebugManager.instance.GetPanel("UTS", createIfNull: true);

            // Add the widgets to the panel
            panel.children.Add(widgetList.ToArray());
            isPanelEnabled = true;
        }

        private static void BSDFDebugChanged(DebugUI.Field<int> field, int arg2)
        {

        }

        private static void LightingDebugChanged(DebugUI.Field<int> field, int arg2)
        {

        }

        // Remove the custom panel if the GameObject is disabled
        public static void OnDisable()
        {
            DebugManager.instance.RemovePanel("UTS");
            isPanelEnabled = false;
        }
    }
}