using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using MU3.Sys;
using System.IO;
using System;

public class Main : MonoBehaviour
{
    private GameObject model;
    private GameObject weapon;
    private List<string> modelList = new List<string>();
    private int idx = 15;
    private int count = 1;
    private string basePath = "F:/Ongeki_Unity/ab/";
    private string[] textureSuffixes = { "_body_no", "_body_sp", "_body_di", "_body_bl",
                                         "_face_di", "_head_no", "_head_sp" };

    // Start is called before the first frame update
    void Start()
    {
        AssetBundle.LoadFromFile(basePath + "preloadshaders");

        DirectoryInfo TheFolder = new DirectoryInfo(basePath);
        foreach (FileInfo NextFile in TheFolder.GetFiles())
        {
            // Debug.Log(NextFile.Name);
            bool flag = false;
            if (NextFile.Name == "preloadshaders")
            {
                flag = true;
            }
            if (!NextFile.Name.StartsWith("ch_", StringComparison.OrdinalIgnoreCase))
            {
                flag = true;
            }
            foreach (string suffix in textureSuffixes)
            {
                if (NextFile.Name.EndsWith(suffix, StringComparison.OrdinalIgnoreCase))
                {
                    flag = true;
                }
            }
            if (!flag) modelList.Add(NextFile.Name);
        }
        count = modelList.Count;
        
        loadModel(modelList[idx % count]);
        
    
    }

    void loadModel(string modelName)
    {
        List<AssetBundle> abs = new List<AssetBundle>();

        if (modelName == "ch_001008")
        {
            abs.Add(AssetBundle.LoadFromFile(basePath + "we_001008_bl"));
            abs.Add(AssetBundle.LoadFromFile(basePath + "we_001008_di"));
            abs.Add(AssetBundle.LoadFromFile(basePath + "we_001008_no"));
            abs.Add(AssetBundle.LoadFromFile(basePath + "we_001008_sp"));
        }
        if (modelName == "ch_001008_201")
        {
            abs.Add(AssetBundle.LoadFromFile(basePath + "we_001008_201_bl"));
            abs.Add(AssetBundle.LoadFromFile(basePath + "we_001008_201_di"));
        }
        if (modelName == "ch_001008_202")
        {
            abs.Add(AssetBundle.LoadFromFile(basePath + "we_001008_202_bl"));
            abs.Add(AssetBundle.LoadFromFile(basePath + "we_001008_202_di"));
        }

        AssetBundle.LoadFromFile(basePath + "000000/ch_000000_101_body_no");
        AssetBundle.LoadFromFile(basePath + "000000/ch_000000_101_body_sp");
        
        foreach (string suffix in textureSuffixes)
        {
            string texturePath = basePath + modelName.Substring(0, 9) + suffix;
            if (File.Exists(texturePath))
            {
                abs.Add(AssetBundle.LoadFromFile(texturePath));
            }
        }

        var bundle = AssetBundle.LoadFromFile(basePath + modelName);
        abs.Add(bundle);
        foreach (var name in bundle.GetAllAssetNames())
        {
            model = (GameObject)Instantiate(bundle.LoadAsset(name));
        }

        foreach (AssetBundle ab in abs)
        {
            ab.Unload(false);
        }

        Renderer[] renderers = model.GetComponentsInChildren<Renderer>();
        for (int i = 0; i < renderers.Length; i++)
        {   
            for (int j = 0; j < renderers[i].materials.Length; j++)
            {
                Material material = renderers[i].materials[j];
                if (material.shader.name == "MU3/ToonEdge/Skin" ||
                    material.shader.name == "MU3/ToonEdge/Face" ||
                    material.shader.name == "MU3/ToonEdge/Face Prior")
                {
                    material.SetColor(Const.ShaderPropertyID_ModifiedColor, Color.white);
                    material.SetFloat(Const.ShaderPropertyID_ModifiedBlendRate, 0.1f);
                    material.SetFloat(Const.ShaderPropertyID_ModifiedBrightness, 2.0f);
                }
            }
        }

        loadWeapon(modelName.Substring(3, modelName.Length - 3));
    }

    void loadWeapon(string weaponId)
    {
        List<AssetBundle> abs = new List<AssetBundle>();
        var weaponPath = basePath + "we_" + weaponId;
        if (File.Exists(weaponPath))
        {
            var bundle = AssetBundle.LoadFromFile(weaponPath);
            abs.Add(bundle);
            foreach (var name in bundle.GetAllAssetNames())
            {
                weapon = (GameObject)Instantiate(bundle.LoadAsset(name));
            }
            Animator animator = weapon.GetComponent<Animator>();
            if (animator)
            {
                animator.cullingMode = AnimatorCullingMode.AlwaysAnimate;
            }
        }
        foreach (string suffix in textureSuffixes)
        {
            string texturePath = weaponPath + suffix;
            if (File.Exists(texturePath))
            {
                abs.Add(AssetBundle.LoadFromFile(texturePath));
            }
        }
        foreach (AssetBundle ab in abs)
        {
            ab.Unload(false);
        }
    }





    void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            idx++;
            Destroy(model);
            Destroy(weapon);
            loadModel(modelList[idx % count]);

        }
    }
}