package com.github.catvod.utils;

import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.text.TextUtils;

import com.github.catvod.spider.Init;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLConnection;

public class FileUtil {

    public static File getCacheDir() {
        return Init.context().getCacheDir();
    }

    public static File getCacheFile(String fileName) {
        return new File(getCacheDir(), fileName);
    }

    public static void write(File file, String data) {
        write(file, data.getBytes());
    }

    public static void write(File file, byte[] data) {
        try {
            FileOutputStream fos = new FileOutputStream(file);
            fos.write(data);
            fos.flush();
            fos.close();
            chmod(file);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static File chmod(File file) {
        try {
            Process process = Runtime.getRuntime().exec("chmod 777 " + file);
            process.waitFor();
            return file;
        } catch (Exception e) {
            e.printStackTrace();
            return file;
        }
    }

    public static String read(File file) {
        try {
            return read(new FileInputStream(file));
        } catch (Exception e) {
            return "";
        }
    }

    public static String read(InputStream is) {
        try {
            byte[] data = new byte[is.available()];
            is.read(data);
            is.close();
            return new String(data, "UTF-8");
        } catch (IOException e) {
            e.printStackTrace();
            return "";
        }
    }

    public static void openFile(File file) {
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        intent.setDataAndType(getShareUri(file), FileUtil.getMimeType(file.getName()));
        Init.context().startActivity(intent);
    }

    private static String getMimeType(String fileName) {
        String mimeType = URLConnection.guessContentTypeFromName(fileName);
        return TextUtils.isEmpty(mimeType) ? "*/*" : mimeType;
    }

    private static Uri getShareUri(File file) {
        return Build.VERSION.SDK_INT < Build.VERSION_CODES.N ? Uri.fromFile(file) : FileProvider.getUriForFile(Init.context(), Init.context().getPackageName() + ".provider", file);
    }
}