import java.io.BufferedReader
import java.io.IOException
import java.io.Reader
import java.text.ParseException
import java.text.SimpleDateFormat
import java.util.ArrayList
import java.util.Date
import java.util.List

import com.ses_esl.commandbo.entite.ActionSystemCommandBO
import com.ses_esl.commandbo.entite.CommandBOParameters
import com.ses_esl.commandbo.entite.CommandsBO
import com.ses_esl.commandbo.entite.EnumTypeCommandBO
import com.ses_esl.commandbo.entite.IActionSystem
import com.ses_esl.commun.mixte.service.SesTechnicalException
import com.ses_esl.commun.mixte.transfertobject.task.TaskTO.ExecutionType
import com.ses_esl.commun.technical.io.FileUtil
import com.ses_esl.inputmanager.entite.process.parser.ConstanteGroovyScript

class GroovyPos {
	private final static int TAILLE_LIGNE_YES =36;
	private final static int PAGE_CLIENT_ID = 0;
	private final static int PAGE_YES_ID = 2;
	private final static String RESULT_EXTENSION = ".RES";
	private CommandsBO actionSystemCommandBO;
	private final String datePattern = "yyyyMMddhhmm";

	public IActionSystem gimeActionSystem(Reader reader) {
		final List<CommandsBO> commandsBOList = new ArrayList<CommandsBO>();
		actionSystemCommandBO = new CommandsBO();
		BufferedReader bufferReader;
		try{
			bufferReader = new BufferedReader(reader);
			String line;
			while ((line = bufferReader.readLine()) != null) {
				setLine(line);
			}
		}catch (final Exception e){
			//
		}finally{
			if (null != bufferReader) {
				bufferReader.close();
			}
		}
		commandsBOList.add(actionSystemCommandBO);
		return new ActionSystemCommandBO(commandsBOList);
	}

	private String setLine(String args) {
		if (args.length() == TAILLE_LIGNE_YES) {
			setCommandTypeAndExecutionType(args.substring(2, 4));
			setPageId();
			if (3 == actionSystemCommandBO.getCommandId()) {
				setStartDateAndTemporisation(args.substring(12));
			} else {
				setStartTimeAndTemporisation(args);
			}
			setWeekDays(args.substring(5, 12));
		}
		if (1 == actionSystemCommandBO.getCommandId()) {
			setTemporisation(args.substring(32, TAILLE_LIGNE_YES));
		}

		return ConstanteGroovyScript.IGNORED;
	}

	/**
	 * @param substring
	 */
	private void setTemporisation(final String substring) {
		final int hour = Integer.parseInt(substring.substring(0, 2));
		final int minute = Integer.parseInt(substring.substring(2));
		long temporisation = (60*hour+minute)*60000;
		actionSystemCommandBO.setTempo(temporisation);
	}

	/**
	 * @param substring
	 */
	private void setCommandTypeAndExecutionType(final String substring) {
		final int intValue = Integer.parseInt(substring);
		actionSystemCommandBO.setCommandId(intValue);
		if (intValue > 0 && intValue < 4) {
			actionSystemCommandBO.setCommandType(EnumTypeCommandBO.SWITCH_PAGE);
			actionSystemCommandBO.setExecutionType(ExecutionType.ONCE);
		} else if (intValue == 4 || intValue == 5) {
			actionSystemCommandBO
					.setCommandType(EnumTypeCommandBO.SWITCH_PAGE_PERIODICALLY);
			actionSystemCommandBO.setExecutionType(ExecutionType.PERDIODICALLY);
		}
	}

	private void setPageId() {
		if (actionSystemCommandBO.getCommandId() == 2) {
			actionSystemCommandBO.setExecutionType(ExecutionType.IMMEDIATELY);
			// 0 to switch to NORMAL page
			actionSystemCommandBO.setPageId(PAGE_CLIENT_ID);
		} else {
			// 2 to switch to YES page
			actionSystemCommandBO.setPageId(PAGE_YES_ID);
		}
	}

	/**
	 * @param substring
	 * @return
	 */
	private void setWeekDays(final String substring) {
		final int[] weekDays = new int[7];
		weekDays[0] = (substring.charAt(6) == '1' ? 1 : 0);
		for (int i = 1; i < substring.length(); i++) {
			weekDays[i] = (substring.charAt(i - 1) == '1' ? 1 : 0);
		}
		actionSystemCommandBO.setWeekDays(weekDays);
	}

	/**
	 * @param substring
	 * @return
	 */
	private void setStartDateAndTemporisation(final String substring) {
		final Date startDate = gimeNextDate(substring.substring(0, 12));
		final Date endDate = gimeNextDate(substring.substring(12));
		while (endDate.before(startDate)) {
			setDateToNextDay(endDate);
		}
		final long tempo = endDate.getTime() - startDate.getTime();
		actionSystemCommandBO.setStartDate(startDate);
		actionSystemCommandBO.setTempo(tempo);
	}

	/**
	 * @param substring
	 * @return
	 */
	private Date gimeNextDate(final String substring) {
		final SimpleDateFormat sdf = new SimpleDateFormat(datePattern);
		Date date;
		final Date currentDate = new Date();
		try {
			date = sdf.parse(substring);
			if (substring.subSequence(8, 10).equals("12")) {
				date.setHours(12);
			}
			if (date.before(currentDate)) {
				setDateToNextDay(date);
			}
		} catch (final ParseException e) {
			date = new Date();
			// pour ne pas créer la tache
			date.setHours(date.getHours() - 1);
		}
		date.setSeconds(0);
		return date;
	}

	/**
	 * @param date
	 */
	@SuppressWarnings("deprecation")
	private void setDateToNextDay(final Date date) {
		date.setDate(date.getDate() + 1);
	}

	/**
	 * @param args
	 */
	private void setStartTimeAndTemporisation(final String args) {
		final String startTime = args.substring(20, 24);
		final String endTime = args.substring(32, 36);
		final int startHours = Integer.parseInt(startTime.substring(0, 2));
		final int startMinutes = Integer.parseInt(startTime.substring(2, 4));

		final int endHours = Integer.parseInt(endTime.substring(0, 2));
		final int endMinutes = Integer.parseInt(endTime.substring(2, 4));

		final Date currentDate = new Date();
		currentDate.setSeconds(0);
		final Date startDate = new Date();
		if (actionSystemCommandBO.getCommandId() == 1) {
			startDate.setMinutes(startDate.getMinutes()+1);
			startDate.setSeconds(0);
		}else{
			startDate.setHours(startHours);
			startDate.setMinutes(startMinutes);
			startDate.setSeconds(0);
			if (startDate.before(currentDate)) {
				setDateToNextDay(startDate);
			}
		}
		final Date endDate = new Date(startDate.getTime());
		endDate.setHours(endHours);
		endDate.setMinutes(endMinutes);
		if (startDate.after(endDate)) {
			setDateToNextDay(endDate);
		}
		final long tempo = endDate.getTime() - startDate.getTime();
		actionSystemCommandBO.setStartDate(startDate);
		actionSystemCommandBO.setTempo(tempo);
	}

	public void createResultFile(final CommandBOParameters parameters)throws IOException{
		String fileDirectory=parameters.getFileDirectory();
		String fileNamePrefix=parameters.getFileNamePrefix();
		String fileContent=parameters.getFileContent();
		final String fileName = gimeResultFileName(fileDirectory,fileNamePrefix);
		try {
			FileUtil.deleteFile(fileName);
			FileUtil.writeInto(fileContent.getBytes(), fileName);
		} catch (final IOException e) {
			throw new SesTechnicalException(e);
		}
	}

	/**
	 * @param fileDirectory
	 * @param fileNamePrefix
	 * @return
	 */
	private String gimeResultFileName(final String fileDirectory, final String fileNamePrefix) {
		final String fileName = fileDirectory+ fileNamePrefix+ RESULT_EXTENSION;
		return fileName;
	}
}
/***TAIL_END***/