using Misaki.ShaderGUI;
using System.Linq;
using UnityEditor;
using UnityEngine;

using static Misaki.HdrpToon.UTSPropertyName.AngelRing;

namespace Misaki.HdrpToon.Editor
{
    internal class AngelRingScope : MaterialUIScope<ShaderGUIExpandable>
    {
        private static class Properties
        {
            public static MaterialProperty angelRingColor;
            public static MaterialProperty angelRingColorMap;
            public static MaterialProperty angelRingIntensity;
            public static MaterialProperty angelRingOffsetU;
            public static MaterialProperty angelRingOffsetV;
        }

        private static class Styles
        {
            public static readonly GUIContent angelRingColorText = new("Angel Ring Color", "Specifies the color of the angel ring.");
            public static readonly GUIContent angelRingIntensityText = new("Angel Ring Intensity", "Specifies the intensity of the angel ring.");
            public static readonly GUIContent angelRingOffsetUText = new("Angel Ring Offset U", "Specifies the offset of the angel ring in the U direction.");
            public static readonly GUIContent angelRingOffsetVText = new("Angel Ring Offset V", "Specifies the offset of the angel ring in the V direction.");
        }

        protected override bool ShowSection => materials.All(mat => mat.HasFeature(SurfaceFeature.AngelRing));

        protected override ShaderGUIExpandable ExpandableBit => ShaderGUIExpandable.AngelRing;

        protected override GUIContent Header => EditorGUIUtility.TrTextContent("Angel Ring Settings");

        protected override void LoadMaterialProperties()
        {
            Properties.angelRingColor = FindProperty(ANGEL_RING_COLOR);
            Properties.angelRingColorMap = FindProperty(ANGEL_RING_COLOR_MAP);
            Properties.angelRingIntensity = FindProperty(ANGEL_RING_INTENSITY);
            Properties.angelRingOffsetU = FindProperty(ANGEL_RING_OFFSET_U);
            Properties.angelRingOffsetV = FindProperty(ANGEL_RING_OFFSET_V);
        }

        protected override void DrawContent()
        {
            editor.TexturePropertySingleLine(Styles.angelRingColorText, Properties.angelRingColorMap, Properties.angelRingColor);
            editor.ShaderProperty(Properties.angelRingIntensity, Styles.angelRingIntensityText);
            editor.ShaderProperty(Properties.angelRingOffsetU, Styles.angelRingOffsetUText);
            editor.ShaderProperty(Properties.angelRingOffsetV, Styles.angelRingOffsetVText);

            EditorGUILayout.Space();
            editor.TextureScaleOffsetProperty(Properties.angelRingColorMap);
        }
    }
}