package eu.dnetlib.msro.logging;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.lang3.StringUtils;

public class LogMessage {

	private final DnetLoggerDao dao;
	private final String logname;
	private final Map<String, Object> details;

	public static final String LOG_LEVEL_FIELD = "log:level";
	public static final String LOG_DATE_FIELD = "log:date";

	public LogMessage(final DnetLoggerDao dao, final String logname, final DnetLogLevel level) {
		this.dao = dao;
		this.details = new HashMap<>();
		this.details.put(LOG_LEVEL_FIELD, level.toString());
		this.details.put(LOG_DATE_FIELD, (new Date()).getTime());
		this.logname = logname;
	}

	public LogMessage addDetail(final String name, final String value) {
		if (StringUtils.isNotBlank(name) && value != null) {
			this.details.put(name, value);
		}
		return this;
	}

	public LogMessage addDetails(final Map<String, String> map) {
		if (map != null) {
			map.entrySet().forEach(e -> addDetail(e.getKey(), e.getValue()));
		}
		return this;
	}

	public void flush() {
		this.dao.writeLog(this.logname, this.details);
	}

}