package com.nttdata.calender;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.DateTimeParseException;
import java.util.TimeZone;

import com.bmc.arsys.api.Timestamp;
import com.nttdata.calender.errorhandling.ErrorTypes.ValidationError;

public class DateConverter {

    final String DATEFORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";

    public LocalDate convertDateTime(String timestamp) throws ValidationError {
        try {
            LocalDate date = LocalDate.parse(timestamp, DateTimeFormatter.ofPattern(DATEFORMAT));
            return date;
        } catch (DateTimeParseException e) {
            throw new ValidationError("Incorrect dateformat in request");
        }
    }

    public Timestamp convertTimestamp(String timestamp) throws ValidationError {
        SimpleDateFormat sdf = new SimpleDateFormat(DATEFORMAT);
        sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
        try {
            Timestamp ts = new Timestamp(sdf.parse(timestamp));
            return ts;
        } catch (ParseException e) {
            throw new ValidationError("Incorrect dateformat in request");
        }
    }
}