using System.Collections.Generic;
using UnityEngine;
using UnityEditor;

namespace OccaSoftware.Altos.Editor
{
    [CustomEditor(typeof(SkyboxDefinitionScriptableObject))]
    [CanEditMultipleObjects]
    public class SkyboxDefinitionEditor : UnityEditor.Editor
    {
        private Dictionary<string, SerializedProperty> serializedProperties;
        private static GUILayoutOption miniButtonWidth = GUILayout.Width(20f);
        private List<PeriodOfDay> periods;


        private void OnEnable()
        {
            serializedProperties = new Dictionary<string, SerializedProperty>();
            // Periods of Day
            serializedProperties.Add("Periods of Day", serializedObject.FindProperty("periodsOfDay"));

            // Time Settings
            serializedProperties.Add("Time of Day", serializedObject.FindProperty("timeOfDay"));
            serializedProperties.Add("Active Time of Day", serializedObject.FindProperty("activeTimeOfDay"));
            serializedProperties.Add("Real Seconds to Game Hours", serializedObject.FindProperty("realSecondsToGameHours"));

            // Sun Settings
            serializedProperties.Add("Sun Base Rotation Y", serializedObject.FindProperty("sunBaseRotationY"));
            serializedProperties.Add("Light Intensity", serializedObject.FindProperty("sunLightIntensity"));
            serializedProperties.Add("Max Angle Below Horizon", serializedObject.FindProperty("sunMaxAngleBelowHorizon"));
            serializedProperties.Add("Sun Size", serializedObject.FindProperty("sunSize"));
            serializedProperties.Add("Sun Color", serializedObject.FindProperty("sunColor"));


            // Cloud Settings
            serializedProperties.Add("Cloud Texture 1", serializedObject.FindProperty("cloudTexture1"));
            serializedProperties.Add("Texture 1 Zenith Tiling", serializedObject.FindProperty("texture1ZenithTiling"));
            serializedProperties.Add("Texture 1 Horizon Tiling", serializedObject.FindProperty("texture1HorizonTiling"));
            serializedProperties.Add("Cloud Texture 2", serializedObject.FindProperty("cloudTexture2"));
            serializedProperties.Add("Texture 2 Zenith Tiling", serializedObject.FindProperty("texture2ZenithTiling"));
            serializedProperties.Add("Texture 2 Horizon Tiling", serializedObject.FindProperty("texture2HorizonTiling"));

            // Cloud Density Settings
            serializedProperties.Add("Cloudiness", serializedObject.FindProperty("cloudiness"));
            serializedProperties.Add("Cloud Speed", serializedObject.FindProperty("cloudSpeed"));
            serializedProperties.Add("Cloud Sharpness", serializedObject.FindProperty("cloudSharpness"));
            serializedProperties.Add("Cloud Color", serializedObject.FindProperty("cloudColor"));
            serializedProperties.Add("Cloud Opacity", serializedObject.FindProperty("cloudOpacity"));
            serializedProperties.Add("Cloud Shading Color", serializedObject.FindProperty("cloudShadingColor"));
            serializedProperties.Add("Cloud Shading Threshold", serializedObject.FindProperty("cloudShadingThreshold"));
            serializedProperties.Add("Cloud Shading Sharpness", serializedObject.FindProperty("cloudShadingSharpness"));
            serializedProperties.Add("Cloud Shading Strength", serializedObject.FindProperty("cloudShadingStrength"));
            serializedProperties.Add("Night Luminance Multiplier", serializedObject.FindProperty("cloudNightLuminanceMultiplier"));

            // Cloud Distribution Settings
            serializedProperties.Add("Alternate UVs at Zenith", serializedObject.FindProperty("alternateUVAtZenith"));

            // Cloud Influence Settings
            serializedProperties.Add("Sun Cloud Influence", serializedObject.FindProperty("sunCloudInfluence"));
            serializedProperties.Add("Sky Color Cloud Influence", serializedObject.FindProperty("skyColorCloudInfluence"));

            // Dither Settings
            serializedProperties.Add("Dither Strength", serializedObject.FindProperty("ditherStrength"));

            // Fog Settings
            serializedProperties.Add("Fog Height Power", serializedObject.FindProperty("fogHeightPower"));
            serializedProperties.Add("Horizon Color Fog Intensity", serializedObject.FindProperty("fogColorBlend"));
            serializedProperties.Add("Base Fog Color", serializedObject.FindProperty("baseFogColor"));
            serializedProperties.Add("Fog Start Distance", serializedObject.FindProperty("fogStart"));
            serializedProperties.Add("Fog End Distance", serializedObject.FindProperty("fogEnd"));
            serializedProperties.Add("Fog Dithering", serializedObject.FindProperty("fogDithering"));
        }


        public override void OnInspectorGUI()
        {
            serializedObject.Update();
            if (Event.current.type == EventType.MouseUp)
            {
                ManageList();
            }

            Draw();

            serializedObject.ApplyModifiedProperties();
        }


        private void ManageList()
        {
            for (int i = 0; i < serializedProperties["Periods of Day"].arraySize - 1; i++)
            {
                SerializedProperty periodOfDay_c = serializedProperties["Periods of Day"].GetArrayElementAtIndex(i);
                SerializedProperty periodOfDay_n = serializedProperties["Periods of Day"].GetArrayElementAtIndex(i + 1);

                if (periodOfDay_n.FindPropertyRelative("startTime").floatValue < periodOfDay_c.FindPropertyRelative("startTime").floatValue)
                {
                    serializedProperties["Periods of Day"].MoveArrayElement(i + 1, i);
                }
            }
        }

        private void Draw()
        {
            // Periods of Day Settings
            EditorGUILayout.LabelField("Periods of Day Settings", EditorStyles.boldLabel);
            for (int i = 0; i < serializedProperties["Periods of Day"].arraySize; i++)
            {
                EditorGUILayout.Space(5f);
                SerializedProperty periodOfDay = serializedProperties["Periods of Day"].GetArrayElementAtIndex(i);

                SerializedProperty description_Prop = periodOfDay.FindPropertyRelative("description");
                SerializedProperty startTime_Prop = periodOfDay.FindPropertyRelative("startTime");
                SerializedProperty horizonColor_Prop = periodOfDay.FindPropertyRelative("horizonColor");
                SerializedProperty zenithColor_Prop = periodOfDay.FindPropertyRelative("zenithColor");
                SerializedProperty groundColor_Prop = periodOfDay.FindPropertyRelative("groundColor");

                EditorGUILayout.BeginHorizontal();
                EditorGUILayout.PropertyField(description_Prop);

                if (GUILayout.Button("-", EditorStyles.miniButtonRight, miniButtonWidth))
                {
                    serializedProperties["Periods of Day"].DeleteArrayElementAtIndex(i);
                }
                else
                {
                    EditorGUILayout.EndHorizontal();

                    EditorGUILayout.PropertyField(startTime_Prop);
                    EditorGUILayout.PropertyField(horizonColor_Prop);
                    EditorGUILayout.PropertyField(zenithColor_Prop);
                    EditorGUILayout.PropertyField(groundColor_Prop);
                }
            }
            EditorGUILayout.Space();
            if (GUILayout.Button("+"))
            {
                serializedProperties["Periods of Day"].arraySize += 1;
            }
            EditorGUILayout.Space();

            // Time Settings
            EditorGUILayout.LabelField("Time Settings", EditorStyles.boldLabel);
            if (!Application.isPlaying)
            {
                serializedProperties["Active Time of Day"].floatValue = serializedProperties["Time of Day"].floatValue;
            }
            System.TimeSpan timeSpan = System.TimeSpan.FromHours(serializedProperties["Active Time of Day"].floatValue);
            EditorGUILayout.LabelField("Current in-game time: " + timeSpan.ToString("hh':'mm':'ss"), EditorStyles.boldLabel);
            EditorGUILayout.Slider(serializedProperties["Time of Day"], 0f, 24f);
            EditorGUILayout.Slider(serializedProperties["Real Seconds to Game Hours"], 0f, 3f);
            EditorGUILayout.Space();


            // Sun Settings
            EditorGUILayout.LabelField("Sun Settings", EditorStyles.boldLabel);
            EditorGUILayout.Slider(serializedProperties["Sun Base Rotation Y"], 0f, 360f);
            EditorGUILayout.Slider(serializedProperties["Light Intensity"], 0f, 10f);
            EditorGUILayout.Slider(serializedProperties["Max Angle Below Horizon"], 0f, 20f);
            EditorGUILayout.Slider(serializedProperties["Sun Size"], 0f, 1f);
            serializedProperties["Sun Color"].colorValue = EditorGUILayout.ColorField(new GUIContent("Sun Color"), serializedProperties["Sun Color"].colorValue, false, false, true);
            EditorGUILayout.Space();


            // Cloud Settings
            EditorGUILayout.LabelField("Cloud Settings", EditorStyles.boldLabel);
            EditorGUILayout.PropertyField(serializedProperties["Cloud Texture 1"]);
            EditorGUILayout.PropertyField(serializedProperties["Texture 1 Zenith Tiling"]);
            EditorGUILayout.PropertyField(serializedProperties["Texture 1 Horizon Tiling"]);
            EditorGUILayout.PropertyField(serializedProperties["Cloud Texture 2"]);
            EditorGUILayout.PropertyField(serializedProperties["Texture 2 Zenith Tiling"]);
            EditorGUILayout.PropertyField(serializedProperties["Texture 2 Horizon Tiling"]);
            EditorGUILayout.Space();

            // Cloud Density Settings
            EditorGUILayout.Slider(serializedProperties["Cloudiness"], 0f, 1f);
            EditorGUILayout.Slider(serializedProperties["Cloud Speed"], 0f, 30f);
            EditorGUILayout.Slider(serializedProperties["Cloud Sharpness"], 0f, 1f);
            serializedProperties["Cloud Color"].colorValue = EditorGUILayout.ColorField(new GUIContent("Cloud Color"), serializedProperties["Cloud Color"].colorValue, false, false, true);
            EditorGUILayout.Slider(serializedProperties["Cloud Opacity"], 0f, 1f);
            serializedProperties["Cloud Shading Color"].colorValue = EditorGUILayout.ColorField(new GUIContent("Cloud Shading Color"), serializedProperties["Cloud Shading Color"].colorValue, false, false, true);
            EditorGUILayout.Slider(serializedProperties["Cloud Shading Threshold"], 0f, 0.3f);
            EditorGUILayout.Slider(serializedProperties["Cloud Shading Sharpness"], 0f, 1f);
            EditorGUILayout.Slider(serializedProperties["Cloud Shading Strength"], 0f, 1f);
            EditorGUILayout.Slider(serializedProperties["Night Luminance Multiplier"], 0f, 1f);
            EditorGUILayout.Space();

            // Cloud Distribution Settings
            EditorGUILayout.Slider(serializedProperties["Alternate UVs at Zenith"], 0f, 1f);
            EditorGUILayout.Space();

            // Cloud Influence Settings
            EditorGUILayout.Slider(serializedProperties["Sun Cloud Influence"], 0f, 1.0f);
            EditorGUILayout.Slider(serializedProperties["Sky Color Cloud Influence"], 0f, 1f);
            EditorGUILayout.Space();


            // Dither Settings
            EditorGUILayout.LabelField("Dither Settings", EditorStyles.boldLabel);
            EditorGUILayout.Slider(serializedProperties["Dither Strength"], 0f, 1f);
            EditorGUILayout.Space();


            // Fog Settings
            EditorGUILayout.LabelField("Fog Settings", EditorStyles.boldLabel);
            float near = 0f;
            float far = 1000f;
            if(Camera.main != null)
            {
                near = Camera.main.nearClipPlane;
                far = Camera.main.farClipPlane;
            }
            EditorGUILayout.Slider(serializedProperties["Fog Start Distance"], near, far);
            EditorGUILayout.Slider(serializedProperties["Fog End Distance"], near, far);
            EditorGUILayout.Slider(serializedProperties["Fog Height Power"], 0f, 30f);
            EditorGUILayout.Slider(serializedProperties["Horizon Color Fog Intensity"], 0f, 1f);
            serializedProperties["Base Fog Color"].colorValue = EditorGUILayout.ColorField(new GUIContent("Base Fog Color"), serializedProperties["Base Fog Color"].colorValue, false, false, true);
            EditorGUILayout.Slider(serializedProperties["Fog Dithering"], 0f, 0.1f);
        }
    }

}