package com.sunyard.sge.log;

import com.sunyard.sge.database.Consts;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.core.Appender;
import org.apache.logging.log4j.core.Layout;
import org.apache.logging.log4j.core.LoggerContext;
import org.apache.logging.log4j.core.appender.FileAppender;
import org.apache.logging.log4j.core.appender.rolling.SizeBasedTriggeringPolicy;
import org.apache.logging.log4j.core.appender.rolling.TriggeringPolicy;
import org.apache.logging.log4j.core.config.AppenderRef;
import org.apache.logging.log4j.core.config.Configuration;
import org.apache.logging.log4j.core.config.LoggerConfig;
import org.apache.logging.log4j.core.layout.PatternLayout;
import org.apache.logging.log4j.Logger;

import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 金交所定制日志
 */
public class LogFactory {

    // 金交所定制日志
    public static final String logName = "sge-hsm-sydapi-log";

    // 日志级别
    public static int iLogLevel = Consts.LogLevelOFF;

    // Levels
    public static final Level[] levels = new Level[]{ Level.OFF, Level.ERROR, Level.INFO, Level.DEBUG  };

    // 日志目录
    public static String pcLogPath = "./sydapi-logs/";

    // 日期格式
    private static SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");

    private LogFactory() {
    }

    public static void start() {
        // 上下文
        final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
        final Configuration config = ctx.getConfiguration();

        // 创建一个展示的样式
        Layout layout = PatternLayout.createLayout(
                "[%level{DEBUG=3, INFO=2, ERROR=1, OFF=0}: %d{ISO8601} <%thread>] %message%n%throwable",
                null,
                config, null, null, true, false, null, null);


        TriggeringPolicy tp = SizeBasedTriggeringPolicy.createPolicy("10MB");

//      Appender appender = RollingFileAppender.createAppender(String.format("logs/test/syncshows-job-%s.log", jobID),
//               "/logs/test/" + jobID + "/syncshows-job-" + jobID + ".log.gz",
//               "true", jobID, null, null, null, tp, null, layout, null,
//               null, null, null, config);

        //  日志打印方式——输出为文件　　　
        Appender appender = FileAppender.createAppender(
                String.format( pcLogPath +"sydapi_"+getToday() + ".log"),
                "true", "false",
                logName, null, "true", "true", null, layout, null, null, null, config);

        appender.start();
        config.addAppender(appender);
        AppenderRef ref = AppenderRef.createAppenderRef( logName, levels[ iLogLevel ], null);
        AppenderRef[] refs = new AppenderRef[]{ref};
        LoggerConfig loggerConfig = LoggerConfig.createLogger("false", levels[ iLogLevel ], logName,
                "true", refs, null, config, null);
        loggerConfig.addAppender(appender, levels[ iLogLevel ], null);
        config.addLogger( logName, loggerConfig);
        ctx.updateLoggers();
    }


    public static void stop() {
        final LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
        final Configuration config = ctx.getConfiguration();
        config.getAppender( logName ).stop();
        config.getLoggerConfig(logName).removeAppender( logName);
        config.removeLogger(logName);
        ctx.updateLoggers();
    }


    public static String getToday(){
        return format.format( new Date());
    }

    /**
     * 创建 Logger
     * @return Logger
     */
    public static Logger createLogger(String pcLogPath, int iLogLevel) {
        LogFactory.pcLogPath = pcLogPath;
        LogFactory.iLogLevel = iLogLevel;
        start();
        return LogManager.getLogger(logName);

    }

    /**
     * 获取 Logger
     * @return Logger
     */
    public static Logger getLogger() {
        return LogManager.getLogger(logName);
    }


}