using LitJson;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using UnityEditor;
using UnityEngine;
using UnityEngine.SceneManagement;
using ZXKFrameworkEditor;

namespace FSM
{
    public class GenerateStateClass : EditorWindow
    {
        string fsmConfigPath;
        string fsmNameSpace;
        string fsmControlBase;
        string fsmClassPath;
        string fsmFolder;
        private int selectedIndex = 0;
        readonly FsmConfigReader reader = new();
        [MenuItem("FSM/GenerateStateClass")] //定义菜单栏位置
        public static void OpenWindow() //打开窗口函数，必须是static
        {
            GetWindow<GenerateStateClass>(false, "生成Class", true).Show(); //实例化窗口
        }
        
        /// <summary>
        /// 窗口内显示的GUI面板
        /// </summary>
        void OnGUI()
        {
            selectedIndex = EditorGUILayout.Popup("场景：", selectedIndex, getAllSceneName());
            if (GUILayout.Button("生成Class"))
            {
                List<JsonData> data = JsonMapper.ToObject<List<JsonData>>(Resources.Load<TextAsset>("Main/ExcelData/ExcelToJson/MainData").text);
                fsmClassPath = null;
                fsmNameSpace = null;
                fsmConfigPath = null;
                fsmControlBase = null;
                fsmFolder = null;
                for (int i = 0; i < data.Count; i++)
                {
                    if (getAllSceneName()[selectedIndex] == data[i]["scene"].ToString())
                    {
                        fsmClassPath = data[i]["fsmClassPath"].ToString();
                        fsmNameSpace = data[i]["nameSpace"].ToString();
                        fsmConfigPath = data[i]["folder"].ToString() + "/ExcelData/ExcelToJson/StateData";
                        fsmControlBase = data[i]["fsmManager"].ToString();
                        fsmFolder = data[i]["folder"].ToString();
                    }
                }
                Debug.Log(fsmClassPath + "=" + fsmNameSpace + "=" + fsmConfigPath + "=" + fsmControlBase);
                if (string.IsNullOrEmpty(fsmConfigPath))
                {
                    Debug.LogError("FSM配置文件不能为空");
                    return;
                }
                if (string.IsNullOrEmpty(fsmControlBase))
                {
                    Debug.LogError("FSM管理类不能为空");
                    return;
                }
                if (string.IsNullOrEmpty(fsmClassPath))
                {
                    Debug.LogError("FSM生成路径不能为空");
                    return;
                }
                if (string.IsNullOrEmpty(fsmNameSpace))
                {
                    Debug.LogError("FSM命名空间不能为空");
                    return;
                }
                ExcelToJson json = new();
                json.GetAllExcelPath(fsmFolder, fsmNameSpace);
                GenerateClass(fsmConfigPath);
            }
        }
        

        void GenerateClass(string fsmConfigPath)
        {
            string directoryPath = Application.dataPath + "/" + fsmClassPath + fsmControlBase;
            if (!Directory.Exists(directoryPath))
            {
                EditorTools.CreateDirectory(directoryPath);
            }
            if (!Directory.Exists(directoryPath + "/State"))
            {
                EditorTools.CreateDirectory(directoryPath + "/State");
            }
            if (!Directory.Exists(directoryPath + "/Trigger"))
            {
                EditorTools.CreateDirectory(directoryPath + "/Trigger");
            }
            reader.EditorReadConfigFile(fsmConfigPath);
            //reader.ReadConfigFile(fsmConfigPath, null);
            string filePath = directoryPath + "/" + fsmControlBase + ".cs";
            {
                if (File.Exists(filePath))
                {
                }
                else
                {
                    FileStream fileStream = File.Create(filePath);
                    string content = "";
                    if (string.IsNullOrEmpty(fsmNameSpace) || fsmNameSpace.Trim() == "FSM")
                    {
                        content = @"using FSM;
    public class " + fsmControlBase + @" : FsmBase<" + fsmControlBase + @">
    {
        public void Init()
        {

        }
        protected override void Update()
        {
            base.Update();
        }
    }
";
                    }
                    else
                    {
                        content = @"using FSM;
namespace " + fsmNameSpace + @"
{
     public class " + fsmControlBase + @" : FsmBase<" + fsmControlBase + @">
    {
        public void Init()
        {

        }
        protected override void Update()
        {
            base.Update();
        }
    }
}
";
                    }

                    byte[] byteArray = Encoding.UTF8.GetBytes(content);
                    fileStream.Write(byteArray, 0, byteArray.Length);
                    fileStream.Close();
                }
            }
            foreach (var mainKey in reader.map.Keys)
            {
                filePath = directoryPath + "/State/" + mainKey + ".cs";
                if (File.Exists(filePath))
                {
                    //Debug.LogError(mainKey + "State.cs 已存在");
                    continue;
                }
                FileStream fileStream = File.Create(filePath);
                string content = "";
                if (string.IsNullOrEmpty(fsmNameSpace) || fsmNameSpace.Trim() == "FSM")
                {
                    content = @"namespace FSM
{
    public class " + mainKey + @" : FsmState<" + fsmControlBase + @">
    {
        public override void OnStateEnter()
        {
            base.OnStateEnter();
        }
        public override void OnStateStay()
        {
            base.OnStateStay();
        }
        public override void OnStateExit()
        {
            base.OnStateExit();
        }
    }
}
";
                }
                else
                {
                    content = @"using FSM;
namespace " + fsmNameSpace + @"
{
    public class " + mainKey + @" : FsmState<" + fsmControlBase + @">
    {
        public override void OnStateEnter()
        {
            base.OnStateEnter();
        }
        public override void OnStateStay()
        {
            base.OnStateStay();
        }
        public override void OnStateExit()
        {
            base.OnStateExit();
        }
    }
}
";
                }

                byte[] byteArray = Encoding.UTF8.GetBytes(content);
                fileStream.Write(byteArray, 0, byteArray.Length);

                fileStream.Close();
            }
            foreach (var mainKey in reader.map.Keys)
            {
                foreach (var key in reader.map[mainKey].Keys)
                {
                    filePath = directoryPath + "/Trigger/" + key + ".cs";
                    if (File.Exists(filePath))
                    {
                        //Debug.LogError(key + "Trigger.cs 已存在");
                        continue;
                    }
                    FileStream fileStream = File.Create(filePath);
                    string content = "";
                    if (string.IsNullOrEmpty(fsmNameSpace) || fsmNameSpace.Trim() == "FSM")
                    {
                        content = @"namespace FSM
{
    public class " + key + @" : FsmTrigger<" + fsmControlBase + @">
    {
        public override bool OnTriggerHandler()
        {
            return false;
        }
    }
}
";
                    }
                    else
                    {
                        content = @"using FSM;
namespace " + fsmNameSpace + @"
{
    public class " + key + @" : FsmTrigger<" + fsmControlBase + @">
    {
        public override bool OnTriggerHandler()
        {
           return false;
        }
    }
}
";
                    }
                    byte[] byteArray = Encoding.UTF8.GetBytes(content);
                    fileStream.Write(byteArray, 0, byteArray.Length);
                    fileStream.Close();
                }
            }
            AssetDatabase.Refresh();
            Debug.Log("类生成完毕");
        }

        /// <summary>获取所有场景名字</summary>
        private string[] getAllSceneName()
        {
            List<JsonData> data = JsonMapper.ToObject<List<JsonData>>(Resources.Load<TextAsset>("Main/ExcelData/ExcelToJson/MainData").text);
            List<string> temp = new();
            for (int i = 0; i < data.Count; i++)
            {
                if (!string.IsNullOrEmpty(data[i]["scene"].ToString()) && data[i]["scene"].ToString() != "Main")
                {
                    temp.Add(data[i]["scene"].ToString());
                }
            }
            return temp.ToArray();
        }
    }
}