package com.anyun.exam.lib;

/**
 * anyunProject(20190906)
 * Created by lzw on 2019/9/6. 17:23:17
 * 邮箱：632393724@qq.com
 * All Rights Saved! Chongqing AnYun Tech co. LTD
 */


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

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class MyLog {


    private static final String TAG = "AYJiaKao";
    private static Boolean MYLOG_SWITCH = true; // 日志文件总开关

    private static Boolean MYLOG_WRITE_TO_FILE = true;// 日志写入文件开关
    private static File file;

    // 输入日志类型，w代表只输出告警信息等，v代表输出所有信息
    private static char MYLOG_TYPE = 'v';

    // 日志文件在sdcard中的路径
    private static String MYLOG_PATH_SDCARD_DIR = "/sdcard/JiaKaolog";

    private static int SDCARD_LOG_FILE_SAVE_DAYS = 2;// sd卡中日志文件的最多保存天数

    private static String MYLOGFILEName = "Log.txt";// 本类输出的日志文件名称

    private static SimpleDateFormat myLogSdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 日志的输出格式

    private static SimpleDateFormat logfile = new SimpleDateFormat("yyyy-MM-dd");// 日志文件格式

    public Context context;


    public static void w(String tag, Object msg) { // 警告信息

        log(tag, msg.toString(), 'w');

    }


    public static void e(String tag, Object msg) { // 错误信息

        log(tag, msg.toString(), 'e');

    }


    public static void d(String tag, Object msg) {// 调试信息

        log(tag, msg.toString(), 'd');

    }


    public static void i(String tag, Object msg) {//

        log(tag, msg.toString(), 'i');

    }

    public static void i(Object msg) {//

        log(TAG, msg.toString(), 'i');

    }


    public static void v(String tag, Object msg) {

        log(tag, msg.toString(), 'v');

    }


    public static void w(String tag, String text) {

        log(tag, text, 'w');

    }


    public static void e(String tag, String text) {

        log(tag, text, 'e');

    }


    public static void d(String tag, String text) {

        log(tag, text, 'd');

    }


    public static void i(String tag, String text) {

        log(tag, text, 'i');

    }

    public static void i(String text) {

        log(TAG, text, 'i');

    }


    public static void v(String tag, String text) {

        log(tag, text, 'v');

    }


    /**
     * 根据tag, msg和等级，输出日志
     *
     * @param tag
     * @param msg
     * @param level
     */

    private static void log(final String tag, final String msg, final char level) {

        if (MYLOG_SWITCH) {//日志文件总开关

            if ('e' == level && ('e' == MYLOG_TYPE || 'v' == MYLOG_TYPE)) { // 输出错误信息

                Log.e(tag, msg);

            } else if ('w' == level && ('w' == MYLOG_TYPE || 'v' == MYLOG_TYPE)) {

                Log.w(tag, msg);

            } else if ('d' == level && ('d' == MYLOG_TYPE || 'v' == MYLOG_TYPE)) {

                Log.d(tag, msg);

            } else if ('i' == level && ('d' == MYLOG_TYPE || 'v' == MYLOG_TYPE)) {

                Log.i(tag, msg);

            } else {

                Log.v(tag, msg);

            }

            if (MYLOG_WRITE_TO_FILE)//日志写入文件开关
                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        writeLogtoFile(String.valueOf(level), tag, msg);
                    }
                }
                ).start();


        }

    }

    public static void createIfNotExist() {


        delFile();


        String needWriteFiel = logfile.format(System.currentTimeMillis());


        Log.i(TAG, "createIfNotExist: " + needWriteFiel);


        File dirsFile = new File(MYLOG_PATH_SDCARD_DIR);

        if (!dirsFile.exists()) {

            dirsFile.mkdirs();

        }

        //Log.i("创建文件","创建文件");

        file = new File(dirsFile.toString(), needWriteFiel + MYLOGFILEName);// MYLOG_PATH_SDCARD_DIR

        if (!file.exists()) {

            try {

                //在指定的文件夹中创建文件

                file.createNewFile();

            } catch (Exception e) {

            }

        }
    }

    /**
     * 打开日志文件并写入日志
     *
     * @param mylogtype
     * @param tag
     * @param text
     */

    private static void writeLogtoFile(String mylogtype, final String tag, final String text) {// 新建或打开日志文件




        String needWriteMessage = myLogSdf.format(System.currentTimeMillis()) + " " + tag + "  " + text;


        try {
/**后面这个参数代表是不是要接上文件中原来的数据，不进行覆盖**/

            if (file == null) {
                Log.i(TAG, "writeLogtoFile: file==null");
                createIfNotExist();
            }
            FileWriter filerWriter = new FileWriter(file, true);

            BufferedWriter bufWriter = new BufferedWriter(filerWriter);

            bufWriter.write(needWriteMessage);

            bufWriter.newLine();

            bufWriter.close();

            filerWriter.close();

        } catch (IOException e) {

            e.printStackTrace();

        }
    }


    /**
     * 删除制定的日志文件
     */

    public static void delFile() {// 删除日志文件

        String needDelFiel = logfile.format(getDateBefore());

        String dirPath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/JiaKaolog";

        File file = new File(dirPath, needDelFiel + MYLOGFILEName);// MYLOG_PATH_SDCARD_DIR

        if (file.exists()) {

            file.delete();

        }

    }


    /**
     * 得到现在时间前的几天日期，用来得到需要删除的日志文件名
     */

    private static Date getDateBefore() {

        Date nowtime = new Date();

        Calendar now = Calendar.getInstance();

        now.setTime(nowtime);

        now.set(Calendar.DATE, now.get(Calendar.DATE) - SDCARD_LOG_FILE_SAVE_DAYS);

        return now.getTime();

    }

}