using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEngine.Networking;
/*******************************************************************************
*Create By CG
*Function txt文件操作
*******************************************************************************/
namespace CG.UTility
{
	public static class TxtFileHandle
	{
		/// <summary>
		/// 给txt文件添加内容,如果没有文件无法写入
		/// </summary>
		/// <param name="txtFilePath">文件路径</param>
		/// <param name="contents">需要添加的内容</param>
		/// <param name="replace">是否替换原有文件</param>
		public static void WriteAllTxt(string txtFilePath, string contents,bool replace)
        {
			if (!File.Exists(txtFilePath)) return;
            if (replace)
            {
				File.WriteAllText(txtFilePath, contents);
			}
            else
            {
				using (StreamWriter file = new StreamWriter(txtFilePath, true))
				{
					file.WriteLine(contents);
				}
			}
		}
        /// <summary>
        /// 给txt文件添加多条内容,如果没有文件则创建文件写入
        /// </summary>
        /// <param name="txtFilePath">文件路径</param>
        /// <param name="contents">需要添加的内容</param>
        /// <param name="replace">是否替换原有文件</param>
        public static void WriteAllTxt(string txtFilePath, string[] contents, bool replace)
        {
            try
            {
				using (StreamWriter file = new StreamWriter(txtFilePath, !replace))
				{
					for (int i = 0; i < contents.Length; i++)
					{
						file.WriteLine(contents[i]);
					}
				}
			}
            catch (System.Exception ex)
            {
				WDebug.LogError("WriteAllTxt Erro :" + ex.Message);
				return;
			}
            
        }
        /// <summary>
        /// 读取txt文件中所有内容（适宜小数据量）
        /// </summary>
        /// <param name="txtFilePath">txt文件路径</param>
        /// <returns>读取到的所有内容</returns>
        public static void ReadAllTxt(string txtFilePath, System.Action<string> actionResult)
        {
			//return File.ReadAllText(txtFilePath);			
			MonoManager.Instance.StartCoroutine(GetTextAsyn(txtFilePath, actionResult));
		}
		private static IEnumerator GetTextAsyn(string url, System.Action<string> actionResult)
		{
			UnityWebRequest request = UnityWebRequest.Get(url);
			yield return request.SendWebRequest();
			string t = request.downloadHandler.text;
			if (string.IsNullOrEmpty(t)) WDebug.LogError("GetTextAsyn()/ Get Text is error! url:" + url);
			actionResult?.Invoke(t);
		}
		/// <summary>
		/// 读取txt文件中所有内容
		/// </summary>
		/// <param name="txtFilePath">txt文件路径</param>
		/// <returns>读取到的所有行列内容</returns>
		public static string[] ReadAllLines(string txtFilePath)
		{
			WDebug.Log("Path:" + txtFilePath);
			return File.ReadAllLines(txtFilePath);
		}
		/// <summary>
		/// 读取txt文件中所有内容（适宜大数据量）
		/// </summary>
		/// <param name="txtFilePath">txt文件路径</param>
		/// <returns>读取到的所有行列内容</returns>
		public static string[] ReadBigTxt(string txtFilePath)
		{
			List<string> list = new List<string>();
            try
            {
				using (StreamReader sr = new StreamReader(txtFilePath))
				{
					while (!sr.EndOfStream)
					{
						string readData = sr.ReadLine();
						list.Add(readData);
					}
				}
			}
            catch (System.Exception ex)
            {
				WDebug.LogError("ReadBigTxt Erro :" + ex.Message);
				return null;
			}
			
			return list.ToArray();
		}
	}
}