package com.shayu.phonelive.utils;

import static java.text.DateFormat.DEFAULT;

import android.content.Context;

import com.yunbao.common.CommonAppConfig;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.Objects;

public class LogUtils {
    /**
     * 采集所有日志
     */
    public static void start(Context context) {
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {

                    String[] exec = new String[]{"logcat", "-c"};
                    Runtime.getRuntime().exec(exec).waitFor();

                    exec = new String[]{"logcat", "-v", "color", "UTC-8"};

                    Process process = Runtime.getRuntime().exec(exec);
                    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
                    String line;
                    PrintWriter writer = null;
                    String title = "[PDLIVE]" + CommonAppConfig.getInstance().getUid() + "_";
                    String today = title + SimpleDateFormat.getDateInstance(DEFAULT, Locale.CHINA).format(new Date());
                    File dir = new File(context.getDir("files", Context.MODE_PRIVATE).getAbsolutePath() + File.separator);
                    if (dir.listFiles() != null) {
                        for (File file : dir.listFiles()) {
                            if (file.getName().endsWith(".log") && !"error.log".equals(file.getName())) {
                                String fileName = file.getName().replace(".log", "").split("_")[1];
                                if (isDelLog(fileName)) {
                                    file.delete();
                                }
                            }
                        }
                    }
                    File saveFile = new File(context.getDir("files", Context.MODE_PRIVATE).getAbsolutePath() + File.separator + today + ".log");
                    FileOutputStream os = new FileOutputStream(saveFile, true);
                    writer = new PrintWriter(os);
                    while ((line = bufferedReader.readLine()) != null) {
                        writer.append(line).write("\n");
                        writer.flush();
                    }
                    writer.flush();
                    writer.close();
                    exec = new String[]{"logcat", "-c"};
                    Runtime.getRuntime().exec(exec).waitFor();
                    bufferedReader.close();
                    start(context);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }).start();

    }

    /**
     * 判断是否是要删除的日志
     **/
    private static boolean isDelLog(String time) {
        try {
            Calendar timeCal = Calendar.getInstance(Locale.CHINA);
            timeCal.setTime(Objects.requireNonNull(SimpleDateFormat.getDateInstance(DEFAULT, Locale.CHINA).parse(time)));
            Calendar calendar = Calendar.getInstance(Locale.CHINA);
            calendar.setTime(new Date());
            calendar.add(Calendar.DATE, -3);
            return calendar.after(timeCal);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return false;
    }
}