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

public class FileToolkit 
{
	public static ExtensionFilter extensionFilter = new ExtensionFilter("图像/视频文件", "wmv", "mp4", "avi", "mov", "WMV", "MP4", "AVI", "MOV", "jpg", "png", "JPG", "PNG", "jpeg", "JPEG");

	public static List<ExtensionFilter> GetExtensionFilters() 
	{
		List<ExtensionFilter> extensionFilters = new List<ExtensionFilter>();
		extensionFilters.Add(extensionFilter);
		return extensionFilters;
	}

	/// <summary>
	/// 读取本地数据并保存到指定位置
	/// </summary>
	/// <param name="fliePath"></param>
	/// <param name="targetFilePath"></param>
	public static void ReadLocalFileDataAndSaveToTargetPath(string fliePath, string targetFilePath)
	{
		byte[] buffer = GetLoaclFileData(fliePath);

		FileLocalSave(targetFilePath,buffer);
	}

	/// <summary>
	/// 获取本地文件数据
	/// </summary>
	/// <param name="filePath"></param>
	/// <returns></returns>
	public static byte[] GetLoaclFileData(string filePath)
	{
		using (FileStream fs = new FileStream(filePath, FileMode.OpenOrCreate))
		{
			byte[] buffer = new byte[fs.Length];
			fs.Read(buffer, 0, buffer.Length);
			fs.Close();
			return buffer;
		}
	}

	/// <summary>
	/// 文件本地保存
	/// </summary>
	public static void FileLocalSave(string savePath,byte[] data) 
	{
		Debug.Log(data.Length);
		using (FileStream fs = new FileStream(savePath,FileMode.OpenOrCreate,FileAccess.ReadWrite))
		{
			fs.Write(data, 0, data.Length);
			fs.Flush();
		}
	}

	/// <summary>
	/// 删除本地文件
	/// </summary>
	public static void DeleteLocalFile(string filePath)
	{
		if (File.Exists(filePath)) File.Delete(filePath);
	}

	/// <summary>
	/// 本地是否包含文件
	/// </summary>
	public static bool LoaclIsContainFile(string filePath) 
	{
		return File.Exists(filePath);
	}

	/// <summary>
	/// 通过WinForm获取上传文件路径
	/// </summary>
	/// <param name="extensions"></param>
	/// <returns></returns>
	public static string[] GetAssetPathsByWinForm(List<ExtensionFilter> extensions)
	{
	    string[] paths = StandaloneFileBrowser.OpenFilePanel(" 上传文件", "", extensions.ToArray(), true);
		return paths;
	}
}