package com.casic.swing.utils;

import com.alibaba.fastjson.JSON;
import com.casic.swing.bean.FrequencyBean;

import java.io.*;
import java.util.Calendar;

/**
 * @author a203
 */
public class StringHelper {

    private static File logFile;
    private static File configFile;

    public static void createLogFile() {
        File rootDir = new File(System.getProperty("user.dir") + File.separator + "logs");
        if (!rootDir.exists()) {
            rootDir.mkdir();
        }
        logFile = new File(rootDir + File.separator + "update.log");
        configFile = new File(rootDir + File.separator + "config.txt");
        if (!logFile.exists()) {
            try {
                logFile.createNewFile();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        System.out.println("同步记录路径 ===> " + logFile.getAbsolutePath());
        if (!configFile.exists()) {
            try {
                configFile.createNewFile();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        //写入配置文件
        String configData = getConfigData();
        if ("".equals(configData) || configData.contains("localhost")) {
            //用于区分是否是第一次启动
            saveConfig();
        }
        System.out.println("后台配置路径 ===> " + configFile.getAbsolutePath());
    }

    private static void saveConfig() {
        try {
            write(new FileWriter(configFile), "http://localhost:11410");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void saveLog(String data) {
        try {
            write(new FileWriter(logFile), data);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static void write(FileWriter writer, String data) throws IOException {
        BufferedWriter out = new BufferedWriter(writer);
        out.write(data);
        out.flush();
        out.close();
    }

    public static String getNtpUpdateTime() {
        try {
            InputStreamReader inputStreamReader = new InputStreamReader(new FileInputStream(logFile));
            String s = loadString(inputStreamReader);
            if ("".equals(s)) {
                return "";
            }
            /**
             * 5 Jan 11:20:24 ntpdate[807910]: adjust time server 114.118.7.161 offset -0.004064 sec
             * 5 Jan 11:24:06 ntpdate[824403]: no server suitable for synchronization found
             * */
            String ntpDate = s.split("ntpdate")[0];
            String[] split = ntpDate.split(" ");

            Calendar date = Calendar.getInstance();
            String year = String.valueOf(date.get(Calendar.YEAR));
            return year + "-" + monthConvert(split[1]) + "-" + dayConvert(split[0]) + " " + split[2];
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "";
    }

    private static String monthConvert(String engMonth) {
        switch (engMonth) {
            case "Jan":
                return "01";
            case "Feb":
                return "02";
            case "Mar":
                return "03";
            case "Apr":
                return "04";
            case "May":
                return "05";
            case "Jun":
                return "06";
            case "Jul":
                return "07";
            case "Aug":
                return "08";
            case "Sept":
                return "09";
            case "Oct":
                return "10";
            case "Nov":
                return "11";
            case "Dec":
                return "12";
            default:
                return "00";
        }
    }

    private static String dayConvert(String day) {
        if (Integer.parseInt(day) < 10) {
            return "0" + day;
        } else {
            return day;
        }
    }

    public static String getConfigData() {
        try {
            InputStreamReader inputStreamReader = new InputStreamReader(new FileInputStream(configFile));
            return loadString(inputStreamReader);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "";
    }

    private static String loadString(InputStreamReader reader) {
        BufferedReader bufferedReader = new BufferedReader(reader);
        StringBuilder data = new StringBuilder();
        String s;
        try {
            while ((s = bufferedReader.readLine()) != null) {
                data.append(s);
            }
            return data.toString();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "";
    }

    public static String parseJson(String json) {
        FrequencyBean bean = JSON.parseObject(json, FrequencyBean.class);
        if (bean.getCode() == 200) {
            FrequencyBean.DataBean data = bean.getData();
            return data.getParaValue();
        } else {
            return "10";
        }
    }
}