using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using UnityEngine;
using UnityEngine.Networking;
namespace WildAttack
{
    /// <summary>
    /// 路径点配置结构体
    /// </summary>
    public struct WayPointData
    {
        public int id;
        public int spawnGroup;
        public int weight;
        public List<Vector2> wayPoint;
    }

    /// <summary>
    /// waypoint.csv
    /// </summary>
    public class WayPointModule : Singleton<WayPointModule>, IModule
    {
        #region Member
        private Dictionary<int, WayPointData> wayPointDataDic;
        #endregion

        #region Override
        public IEnumerator LoadCSV(string fileName, Action callback)
        {
            string sPath = CSVUtils.GetStreamingAssetPath() + "/" + fileName;
            UnityWebRequest www = UnityWebRequest.Get(sPath);
            yield return www.SendWebRequest();
            File.WriteAllText(Application.persistentDataPath + "/" + fileName, www.downloadHandler.text, Encoding.GetEncoding("utf-8"));
            www.Dispose();
            SaveData(CSVUtils.GetInstance().LoadFile(Application.persistentDataPath, fileName));

            callback();
        }

        public void SaveData(string[] lineArr)
        {
            wayPointDataDic = new Dictionary<int, WayPointData>();
            for (int i = 1; i < lineArr.Length; i++)
            {
                string[] data = lineArr[i].Split(',');
                List<Vector2> wayPoint = new List<Vector2>();
                for (int k = 3; k < data.Length; k++)
                {
                    Vector2 point;
                    string[] pos;

                    if (k == 3)
                    {
                        pos = data[k].Split('\"')[1].Split('|');
                        point = new Vector2(float.Parse(pos[0]), float.Parse(pos[1]));
                    }
                    else if (k == data.Length - 1)
                    {
                        pos = data[k].Split('\"')[0].Split('|');
                        point = new Vector2(float.Parse(pos[0]), float.Parse(pos[1]));
                    }
                    else
                    {
                        pos = data[k].Split('|');
                        point = new Vector2(float.Parse(pos[0]), float.Parse(pos[1]));
                    }

                    wayPoint.Add(point);
                }

                WayPointData wayPointData = new WayPointData
                {
                    id = int.Parse(data[0]),
                    spawnGroup = int.Parse(data[1]),
                    weight = int.Parse(data[2]),
                    wayPoint = wayPoint,
                };

                wayPointDataDic[wayPointData.id] = wayPointData;
            }
        }
        #endregion

        #region Functions
        public WayPointData GetData(int id)
        {
            WayPointData data = new WayPointData();
            if (wayPointDataDic.ContainsKey(id))
            {
                data = wayPointDataDic[id];
            }
            return data;
        }

        public List<WayPointData> GetDataByGroup(int spawnGroup)
        {
            List<WayPointData> dataList = new List<WayPointData>();
            foreach (var item in wayPointDataDic)
            {
                if (item.Value.spawnGroup == spawnGroup)
                {
                    dataList.Add(item.Value);
                }
            }

            return dataList == null ? null : dataList;
        }

        public Dictionary<int, WayPointData> GetWayPointDic()
        {
            return wayPointDataDic;
        }
        #endregion
    }
}