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package com.github.javaclub.cdl.client.util;

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

import org.apache.commons.io.FileUtils;

public class LogUtils {

	private static String rootPath = "/midware";
	private static SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd");
	private static SimpleDateFormat sf2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	static{
		try {
			File f = new File(rootPath);
			if(f.exists() && f.canWrite()){
				rootPath = rootPath + "/cdl-client";
				FileUtils.forceMkdir(new File(rootPath));
			}else{
				rootPath = "cdl-client";
				FileUtils.forceMkdir(new File("cdl-client"));
			}
		} catch (IOException e) {
			System.out.println(e);
		}
	}
	
	public static void printSqlLog(List log) {
		try {
			if (log == null || log.isEmpty()) {
				return;
			}
			File today = new File(rootPath + "/sql.log");
			if (!today.exists()) {
				today.createNewFile();
			} else {
				Calendar lastDay = Calendar.getInstance();
				if(lastDay.get(Calendar.HOUR_OF_DAY) == 0){  // 凌晨
					lastDay.add(Calendar.DAY_OF_MONTH, -1);
					File lastDayFile = new File(rootPath + "/sql.log." + sf.format(lastDay.getTime()));
					if (!lastDayFile.exists()) {
						FileUtils.moveFile(today, lastDayFile);
						today = new File(rootPath + "/sql.log");
						today.createNewFile();
					}
				}
			}
			FileUtils.writeLines(today, log, true);
		} catch (Exception e) {
			System.out.println(e);
		}
	}
	
	public static void printSlowSqlLog(List log) {
		try {
			if (log == null || log.isEmpty()) {
				return;
			}
			File today = new File(rootPath + "/slow-sql.log");
			if (!today.exists()) {
				today.createNewFile();
			} else {
				Calendar lastDay = Calendar.getInstance();
				if(lastDay.get(Calendar.HOUR_OF_DAY) == 0){  // 凌晨
					lastDay.add(Calendar.DAY_OF_MONTH, -1);
					File lastDayFile = new File(rootPath + "/slow-sql.log." + sf.format(lastDay.getTime()));
					if (!lastDayFile.exists()) {
						FileUtils.moveFile(today, lastDayFile);
						today = new File(rootPath + "/slow-sql.log");
						today.createNewFile();
					}
				}
			}
			FileUtils.writeLines(today, log, true);
		} catch (Exception e) {
			System.out.println(e);
		}
	}
	
	public static void printCdlLog(String log) {
		try {
			if (log == null || log.length() == 0) {
				return;
			}
			File today = new File(rootPath + "/cdl.log");
			if (!today.exists()) {
				today.createNewFile();
			} else {
				Calendar lastDay = Calendar.getInstance();
				if(lastDay.get(Calendar.HOUR_OF_DAY) == 0){  // 凌晨
					lastDay.add(Calendar.DAY_OF_MONTH, -1);
					File lastDayFile = new File(rootPath + "/cdl.log." + sf.format(lastDay.getTime()));
					if (!lastDayFile.exists()) {
						FileUtils.moveFile(today, lastDayFile);
						today = new File(rootPath + "/cdl.log");
						today.createNewFile();
					}
				}
			}
			StringBuilder sb = new StringBuilder();
			sb.append(sf2.format(new Date()));
			sb.append(" ");
			sb.append(log);
			sb.append("\n");
			FileUtils.writeStringToFile(today, sb.toString(), true);
		} catch (Exception e) {
			System.out.println(e);
		}
	}
}