using UnityEngine;
using UnityEditor;

[CustomEditor(typeof(PostEffect))]
public class PostEffectEditor : Editor
{   
    PostEffect postEffect;
    bool first_loaded = true;
    BlurType temp_blurType = BlurType.Standard;
    public override void OnInspectorGUI()
    {
        postEffect = target as PostEffect;
        DoBloom();
        DoFXAA();
        DoBlurEffect();
        DoCheckMaterial();
        first_loaded = false;
    }
    void DoBloom()
    {
        GUILayout.Label("泛光相关参数", EditorStyles.boldLabel);
        postEffect.EnableBloom = EditorGUILayout.Toggle("Enable Bloom", postEffect.EnableBloom);
        postEffect.fastBloomShader = EditorGUILayout.ObjectField("Bloom Shader(Guassian)", postEffect.fastBloomShader, typeof(Shader), true) as Shader;
        postEffect.dualBloomShader = EditorGUILayout.ObjectField("Bloom Shader(Dual)", postEffect.dualBloomShader, typeof(Shader), true) as Shader;
        if(postEffect.EnableBloom && postEffect.fastBloomShader != null && postEffect.dualBloomShader != null)
        {
            postEffect.use_dual_bloom = EditorGUILayout.Toggle("Use Dual Bloom", postEffect.use_dual_bloom);
            postEffect.threshold = EditorGUILayout.Slider("Bloom Threshold", postEffect.threshold, 0f, 1.5f);
            postEffect.intensity = EditorGUILayout.Slider("Bloom Intensity", postEffect.intensity, 0f, 3f);
            postEffect.blurSize = EditorGUILayout.Slider("Bloom BlurSize", postEffect.blurSize, 0.25f, 5.5f);
            postEffect.blurIterations = EditorGUILayout.IntSlider("Bloom Iteration", postEffect.blurIterations, 1, 4);
            postEffect.blurType = (BlurType)EditorGUILayout.EnumPopup("Bloom BlurType", postEffect.blurType);
            if(temp_blurType != postEffect.blurType || first_loaded)
            {
                postEffect.ApplyBloomMaterialProperties();
                temp_blurType = postEffect.blurType;
            }
            if(GUILayout.Button("Apply Bloom Properties"))
            {
                postEffect.ApplyBloomMaterialProperties();
            }
        }
        GUILayout.Space(20);
    }
    void DoFXAA()
    {
        GUILayout.Label("FXAA抗锯齿相关参数", EditorStyles.boldLabel);
        postEffect.EnableFXAA = EditorGUILayout.Toggle("Enable FXAA", postEffect.EnableFXAA);
        postEffect.FXAAShader = EditorGUILayout.ObjectField("FXAA Shader", postEffect.FXAAShader, typeof(Shader), true) as Shader;
        if(postEffect.EnableFXAA && postEffect.FXAAShader != null)
        {
            postEffect.lowQuality = EditorGUILayout.Toggle("FXAA LowQuality", postEffect.lowQuality);
            postEffect.contrastThreshold = EditorGUILayout.Slider("FXAA ContrastThreshold", postEffect.contrastThreshold, 0.0312f, 0.0833f);
            postEffect.relativeThreshold = EditorGUILayout.Slider("FXAA RelativeThreshold", postEffect.relativeThreshold, 0.063f, 0.333f);
            postEffect.subpixelBlending = EditorGUILayout.Slider("FXAA RelativeThreshold", postEffect.subpixelBlending, 0f, 1f);
            if(GUILayout.Button("Apply FXAA Properties"))
            {
                postEffect.ApplyFXAAMaterialProperties();
            }
        }
        GUILayout.Space(20);
    }
    void DoBlurEffect()
    {
        GUILayout.Label("模糊后处理相关参数", EditorStyles.boldLabel);
        postEffect.EnableBlur = EditorGUILayout.Toggle("Enable Blur", postEffect.EnableBlur);
        postEffect.blurShader = EditorGUILayout.ObjectField("GuassianBlur Shader", postEffect.blurShader, typeof(Shader), true) as Shader;
        postEffect.dualBlurShader = EditorGUILayout.ObjectField("DualBlur Shader", postEffect.dualBlurShader, typeof(Shader), true) as Shader;
        if(postEffect.EnableBlur && postEffect.blurShader != null && postEffect.dualBlurShader != null)
        {
            postEffect.use_dual_blur = EditorGUILayout.Toggle("Use Dual Blur", postEffect.use_dual_blur);
            postEffect.render_blur_effect = EditorGUILayout.Toggle("Use Continues Blur", postEffect.render_blur_effect);
            // postEffect.get_screen_shot = EditorGUILayout.Toggle("Get Blur ScreenShot", postEffect.get_screen_shot);
            postEffect.blurSpread = EditorGUILayout.Slider("Blur Spread", postEffect.blurSpread, 0, 10f);
            postEffect.blur_amount = EditorGUILayout.Slider("Blur Amount", postEffect.blur_amount, 0, 1f);
            postEffect.recurveMaxNum = EditorGUILayout.IntSlider("Blur Iteration", postEffect.recurveMaxNum, 1, 10);
            postEffect.downSample = EditorGUILayout.IntSlider("Blur DownSample", postEffect.downSample, 1, 6);
        }
        GUILayout.Space(20);
    }

    void DoCheckMaterial()
    {
        if(GUILayout.Button("Check Material"))
        {
            postEffect.CheckResources();
        }
    }
}