using System;
using UnityEngine;
using Ichni.Editor;
using Ichni.RhythmGame;
using Ichni.RhythmGame.Beatmap;
using System.Collections.Generic;
using Beatmap;

namespace Ichni.RhythmGame
{
    // 以EnvironmentObject为基底，支持伪阴影shader参数刷新
    public class BasicEnvironmentObject : EnvironmentObject
    {
        [Header("Pseudo Shadow Settings")]
        public Renderer shadowRenderer; // 指向带有伪阴影shader的Renderer

        [Range(-1, 1)] public float shadowThreshold = 0.2f;
        [Range(0, 1)] public float shadowSmoothness = 0.5f;
        public bool useWorldLight = false;
        public Vector3 fakeLightDir = new Vector3(0.5f, 1, 0.5f);
        public override bool haveEmissionColor => true;
        public static BasicEnvironmentObject GenerateElement(string elementName, Guid id, List<string> tags,
            bool isFirstGenerated, string themeBundleName, string objectName, GameElement parentElement,
            bool isStatic,
            float shadowThreshold, float shadowSmoothness, bool useWorldLight, Vector3 fakeLightDir)
        {
            BasicEnvironmentObject basicEnvObj = EnvironmentObject.GenerateElement(elementName, id, tags,
                isFirstGenerated, themeBundleName, objectName, parentElement, isStatic).GetComponent<BasicEnvironmentObject>();


            basicEnvObj.shadowThreshold = shadowThreshold;
            basicEnvObj.shadowSmoothness = shadowSmoothness;
            basicEnvObj.useWorldLight = useWorldLight;
            basicEnvObj.fakeLightDir = fakeLightDir;
            return basicEnvObj;
        }
        public override void Refresh()
        {
            base.Refresh();
            if (shadowRenderer == null || shadowRenderer.material == null) return;
            var mat = shadowRenderer.material;
            mat.SetColor("_Color", colorSubmodule.currentBaseColor);
            mat.SetColor("_ShadowColor", colorSubmodule.currentEmissionColor);
            mat.SetFloat("_ShadowThreshold", shadowThreshold);
            mat.SetFloat("_ShadowSmoothness", shadowSmoothness);
            mat.SetVector("_FakeLightDir", new Vector4(fakeLightDir.x, fakeLightDir.y, fakeLightDir.z, 0));
            mat.SetFloat("_UseWorldLight", useWorldLight ? 1 : 0);
        }

        // 可选：在属性变更时自动刷新


        public override void SetUpInspector()
        {
            base.SetUpInspector();
            IHaveInspection inspector = EditorManager.instance.uiManager.inspector;
            var container = inspector.GenerateContainer("Basic Environment Object");
            var shadowSettings = container.GenerateSubcontainer(3);
            var i = inspector.GenerateInputField(this, shadowSettings, "Shadow Threshold (-1 to 1)", nameof(shadowThreshold));
            var j = inspector.GenerateInputField(this, shadowSettings, "Shadow Smoothness (0 to 1)", nameof(shadowSmoothness));
            var u = inspector.GenerateToggle(this, shadowSettings, "Use World Light", nameof(useWorldLight));
            var shadowSettings2 = container.GenerateSubcontainer(1);
            var w = inspector.GenerateVector3InputField(this, shadowSettings2, "Fake Light Direction", nameof(fakeLightDir));
        }
        public override void SaveBM()
        {
            base.SaveBM();
            matchedBM = new BasicEnvironmentObject_BM(elementName, elementGuid, tags, parentElement.matchedBM as GameElement_BM,
                themeBundleName, objectName, isStatic,
                shadowThreshold, shadowSmoothness, useWorldLight, fakeLightDir);
        }
    }
}

namespace Beatmap
{
    public class BasicEnvironmentObject_BM : EnvironmentObject_BM
    {

        public float shadowThreshold;
        public float shadowSmoothness;
        public bool useWorldLight;
        public Vector3 fakeLightDir;

        public BasicEnvironmentObject_BM() { }

        public BasicEnvironmentObject_BM(string elementName, Guid elementGuid, List<string> tags, GameElement_BM parentElement,
            string themeBundleName, string objectName, bool isStatic,
            float shadowThreshold, float shadowSmoothness, bool useWorldLight, Vector3 fakeLightDir)
            : base(elementName, elementGuid, tags, parentElement, themeBundleName, objectName, isStatic)
        {

            this.shadowThreshold = shadowThreshold;
            this.shadowSmoothness = shadowSmoothness;
            this.useWorldLight = useWorldLight;
            this.fakeLightDir = fakeLightDir;
        }

        public override void ExecuteBM()
        {
            matchedElement = BasicEnvironmentObject.GenerateElement(elementName, elementGuid, tags, false,
                themeBundleName, objectName, GetElement(attachedElementGuid), isStatic,
                 shadowThreshold, shadowSmoothness, useWorldLight, fakeLightDir);
        }

        public override GameElement DuplicateBM(GameElement parent)
        {
            return BasicEnvironmentObject.GenerateElement(elementName, Guid.NewGuid(), tags, false,
                themeBundleName, objectName, parent, isStatic,
                shadowThreshold, shadowSmoothness, useWorldLight, fakeLightDir);
        }
    }
}