using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Xml;
using UnityEngine;

namespace HxGame.Data
{
    //刷怪模式
    public enum CreateMonsterMode
    {
        Death,      //死亡
        FixedTime,  //固定时间刷怪
    }

    //巡逻类型
    public enum PatrolMode
    {
        Range,  //范围
        Path,   //路径
    }

    public class MonstersConfig
    {
        public class MonsterConfig
        {
            public int itemIdx;
            public int groupId; //是否是分组
            public int id;
            public CreateMonsterMode createMode;    //刷怪模式
            public PatrolMode patrolMode;   //巡逻类型
            public Vector2Int pos;  //刷怪中心点
            public int radius;  //半径
            public int num;     //数量
            public int delayTime;   //刷怪时间，死亡模式使用
            public string strTime;  //格式  天数,时间   1,10:20  每天10点20
            public List<string> paths = new List<string>();

            public MonsterConfig()
            {
                groupId = -1;
                delayTime = 0;
                strTime = string.Empty;
            }
        }

        public List<MonsterConfig> monsterConfigs = new List<MonsterConfig>();

        public void SaveXML(int mapId)
        {
            string path = PathUtil.GetXmlPath(mapId, "MonstersConfig");
            string tmp = path.Substring(0, path.LastIndexOf('/'));
            if (!Directory.Exists(tmp))
                Directory.CreateDirectory(tmp);

            if (File.Exists(path))
                File.Delete(path);

            XmlDocument xml = new XmlDocument();
            XmlDeclaration node = xml.CreateXmlDeclaration("1.0", "utf-8", "no");
            xml.AppendChild(node);

            XmlElement Root = xml.CreateElement("config");
            xml.AppendChild(Root);

            XmlElement xmlSettings = xml.CreateElement("Settings");//节点Settings
            xml.DocumentElement.AppendChild(xmlSettings);
            xmlSettings.SetAttribute("mapID", mapId.ToString());

            XmlElement MonsterAreas = xml.CreateElement("MonsterAreas");//节点Settings
            xml.DocumentElement.AppendChild(MonsterAreas);

            SaveMonsterAreas(xml, MonsterAreas);

            xml.Save(path);
            UIWindow.Instance.ShowMessage("保存怪物配置成功");
        }

        private void SaveMonsterAreas(XmlDocument xml, XmlElement xmlElement)
        {
            XmlElement child = null;
            for (int i = 0; i < monsterConfigs.Count; i++)
            {
                child = xml.CreateElement("MonsterArea");

                child.SetAttribute("itemIdx", monsterConfigs[i].itemIdx.ToString());
                child.SetAttribute("groupId", monsterConfigs[i].groupId.ToString());
                child.SetAttribute("id", monsterConfigs[i].id.ToString());
                child.SetAttribute("createMode", ((int)(monsterConfigs[i].createMode)).ToString());
                child.SetAttribute("patrolMode", ((int)(monsterConfigs[i].patrolMode)).ToString());
                child.SetAttribute("indexX", monsterConfigs[i].pos.x.ToString());
                child.SetAttribute("indexY", monsterConfigs[i].pos.y.ToString());
                child.SetAttribute("radius", monsterConfigs[i].radius.ToString());
                child.SetAttribute("num", monsterConfigs[i].num.ToString());
                child.SetAttribute("delayTime", monsterConfigs[i].delayTime.ToString());

                if(monsterConfigs[i].createMode == CreateMonsterMode.Death)
                {
                    child.SetAttribute("day", "0");
                    child.SetAttribute("time", "0");
                }
                else
                {
                    string[] tmp = monsterConfigs[i].strTime.Split(',');
                    child.SetAttribute("day", tmp[0]);
                    child.SetAttribute("time", tmp[1]);
                }

                XmlElement MonsterPaths = xml.CreateElement("MonsterPaths");
                for (int m = 0; m < monsterConfigs[i].paths.Count; m++)
                {
                    XmlElement path = xml.CreateElement($"Path{m}");
                    path.SetAttribute("pos", monsterConfigs[i].paths[m]);
                    MonsterPaths.AppendChild(path);
                }

                child.AppendChild(MonsterPaths);
                xmlElement.AppendChild(child);
            }
        }

        public bool LoadXML(int mapId)
        {
            string path = PathUtil.GetXmlPath(mapId, "MonstersConfig");
            if (!File.Exists(path))
            {
                UIWindow.Instance.ShowMessage("没有找到怪物配置文件");
                return false;
            }

            XmlDocument xmlDocument = new XmlDocument();
            xmlDocument.Load(path);

            XmlNode xmlRoot = xmlDocument.SelectSingleNode("config");
            XmlNode xmlSettings = xmlRoot.SelectSingleNode("Settings");

            int id = Convert.ToInt32(xmlSettings.Attributes.GetNamedItem("mapID").Value);
            if (id != mapId)
            {
                UIWindow.Instance.ShowMessage("地图ID错误，请检查MonstersConfig配置文件");
                return false;
            }

            XmlNode xmlMonsterAreas = xmlRoot.SelectSingleNode("MonsterAreas");
            LoadMonsterAreas(xmlMonsterAreas);

            return true;
        }

        private void LoadMonsterAreas(XmlNode xmlNodes)
        {
            if (xmlNodes == null)
                return;

            XmlNode xmlNode = null;
            XmlNodeList xmlNodeList = xmlNodes.ChildNodes;
            int x, y;
            for (int i = 0; i < xmlNodeList.Count; i++)
            {
                xmlNode = xmlNodeList.Item(i);
                if (xmlNode.Name != "MonsterArea")
                    continue;

                MonsterConfig mc = new MonsterConfig();

                if (xmlNode.Attributes.GetNamedItem("itemIdx") == null)
                    mc.itemIdx = -1;
                else
                    mc.itemIdx = Convert.ToInt32(xmlNode.Attributes.GetNamedItem("itemIdx").Value);

                if (xmlNode.Attributes.GetNamedItem("groupId") == null)
                    mc.groupId = -1;
                else
                    mc.groupId = Convert.ToInt32(xmlNode.Attributes.GetNamedItem("groupId").Value);

                mc.id = Convert.ToInt32(xmlNode.Attributes.GetNamedItem("id").Value);
                mc.createMode = (CreateMonsterMode)Convert.ToInt32(xmlNode.Attributes.GetNamedItem("createMode").Value);
                if(xmlNode.Attributes.GetNamedItem("patrolMode") != null)
                    mc.patrolMode = (PatrolMode)Convert.ToInt32(xmlNode.Attributes.GetNamedItem("patrolMode").Value);
                x = Convert.ToInt32(xmlNode.Attributes.GetNamedItem("indexX").Value);
                y = Convert.ToInt32(xmlNode.Attributes.GetNamedItem("indexY").Value);
                mc.pos = new Vector2Int(x, y);
                mc.radius = Convert.ToInt32(xmlNode.Attributes.GetNamedItem("radius").Value);
                mc.num = Convert.ToInt32(xmlNode.Attributes.GetNamedItem("num").Value);
                mc.delayTime = Convert.ToInt32(xmlNode.Attributes.GetNamedItem("delayTime").Value);
                if (mc.createMode == CreateMonsterMode.FixedTime)
                {
                    string day = xmlNode.Attributes.GetNamedItem("day").Value;
                    string time = xmlNode.Attributes.GetNamedItem("time").Value;
                    mc.strTime = $"{day},{time}";
                }

                XmlNode xmlPaths = xmlNode.SelectSingleNode("MonsterPaths");
                if (xmlPaths != null)
                {
                    XmlNodeList xmlPathList = xmlPaths.ChildNodes;
                    for (int m = 0; m < xmlPathList.Count; m++)
                    {
                        XmlNode xmlPath = xmlPathList.Item(m);
                        if (xmlPath.Name != $"Path{m}")
                            continue;

                        string path = xmlPath.Attributes.GetNamedItem("pos").Value;
                        mc.paths.Add(path);
                    }
                }

                monsterConfigs.Add(mc);
            }
        }
    }
}