package ru.kirillius.XCP.Logging;

import lombok.Getter;
import ru.kirillius.XCP.Commons.Context;
import ru.kirillius.java.utils.events.ConcurrentEventHandler;
import ru.kirillius.java.utils.events.EventHandler;

import java.util.Arrays;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogManager;

public class LoggingSystemImpl implements LoggingSystem {
    private final java.util.logging.Logger rootLogger;
    private final Handler handler;

    @Override
    public Logger createLogger(Class<?> cls) {
        var logger = new LoggerImpl(cls.getSimpleName());
        LogManager.getLogManager().addLogger(logger);
        return logger;
    }

    @Override
    public Logger createLogger(String name) {
        var logger = new LoggerImpl(name);
        LogManager.getLogManager().addLogger(logger);
        return logger;
    }

    public LoggingSystemImpl(Context context) {
        eventHandler = new ConcurrentEventHandler<>();
        var logManager = LogManager.getLogManager();
        rootLogger = logManager.getLogger("");
        rootLogger.setLevel(Level.INFO);
        handler = new LogHandlerImpl(this, context);
        Arrays.stream(rootLogger.getHandlers()).forEach(rootLogger::removeHandler);
        rootLogger.addHandler(handler);
    }

    @Getter
    private final EventHandler<LogMessage> eventHandler;

    @Override
    public void close() {
        if (handler != null) {
            rootLogger.removeHandler(handler);
        }
    }
}