package com.zxt.dlna.util;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

import com.zxt.dlna.util.DevMountInfo.DevInfo;

import android.content.Context;
import android.os.Environment;
import android.text.TextUtils;

public class FileUtil {

    public static final String MSI_PATH ="/msi/";
    public static final String LOGO  = "ic_launcher.png";
    public static final String LOGO_PATH = FileUtil.getSDPath() +MSI_PATH + LOGO;
	public static final String VIDEO_THUMB_PATH = "/msi/.videothumb";
	public static final String IMAGE_DOWNLOAD_PATH = "/msi/downloadimages/";

    public static String getSDPath() {
        boolean sdCardExist = Environment.getExternalStorageState().equals(
                android.os.Environment.MEDIA_MOUNTED);
        if (sdCardExist) {
            return Environment.getExternalStorageDirectory().toString();
        }
        return "";

    }

	public static void createSDCardDir(boolean isCreateVideoDir) {
		if (Environment.MEDIA_MOUNTED.equals(Environment
				.getExternalStorageState())) {
			File sdcardDir = Environment.getExternalStorageDirectory();
			String path = sdcardDir.getPath() + VIDEO_THUMB_PATH;
			File path1 = new File(path);
			if (!path1.exists()) {
				path1.mkdirs();
			}
		}
	}

	public static String getFileSuffix(String pathName) {
		String suffix = "";

		if (null != pathName) {
			int lastIndexOf = pathName.lastIndexOf(".");
			if (-1 != lastIndexOf) {
				suffix = pathName.substring(lastIndexOf);
			}
		}

		return suffix;
	}

	public static String getFileName(String path) {
		File file = new File(path);
		return file.getName();
	}

	public static String getFoldName(String path) {
		String sdPath = getSDPath();
		String foldPath = null;
		if (null != sdPath && path.contains(sdPath)) {
			if (!TextUtils.isEmpty(sdPath)) {
				int beginIndex = path.indexOf("/", sdPath.length()) + 1;
				int lastIndex = path.indexOf("/", sdPath.length() + 1);
				if (lastIndex == -1) {
					lastIndex = path.length() - 1;
				}
				foldPath = path.substring(beginIndex, lastIndex);
				if (foldPath.contains(".")) {
					foldPath = path.substring(beginIndex + 1, lastIndex);
				}
			}
		} else {
			String outSdPath = getOutSdPath();
			if (null != outSdPath && !TextUtils.isEmpty(outSdPath)) {
				int beginIndex = path.indexOf("/", outSdPath.length()) + 1;
				int lastIndex = path.indexOf("/", outSdPath.length() + 1);
				if (lastIndex == -1) {
					lastIndex = path.length() - 1;
				}
				foldPath = "OUTSD-" + path.substring(beginIndex, lastIndex);
				if (foldPath.contains(".")) {
					foldPath = path.substring(beginIndex + 1, lastIndex);
				}
			}
		}
		return foldPath;
	}

	public static String getOutSdPath() {
		String sdcard = "";
		DevMountInfo dev = DevMountInfo.getInstance();
		DevInfo info = dev.getExternalInfo();// Internal SD Card Informations
		if (null != info) {
			sdcard = info.getPath(); 
		} else {
			info = dev.getInternalInfo();// External SD Card Informations
			if (null != info) {
				sdcard = info.getPath();
			}
		}
		return sdcard;
		
	}


    public static boolean copyAssetFile2SD(Context context, String from, String to) {

        try {
            int bytesum = 0;
            int byteread = 0;
            InputStream inStream = context.getResources().getAssets().open(from);
            OutputStream fs = new BufferedOutputStream(new FileOutputStream(to));
            byte[] buffer = new byte[8192];
            while ((byteread = inStream.read(buffer)) != -1) {
                bytesum += byteread;
                fs.write(buffer, 0, byteread);
            }
            inStream.close();
            fs.close();
            return true;
        } catch (Exception e) {
            return false;
        }
    }
}