package org.kuali.student.enrollment.class2.registration.dto;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.student.r2.common.dto.MeetingScheduleInfo;

 import java.io.Serializable;

 import java.text.DateFormatSymbols;

 import java.util.*;

 public class MeetingScheduleWrapper implements Serializable {

     private static final long serialVersionUID = 1L;

     private MeetingScheduleInfo meetingSchedule;

     private String courseTitle;

     private String courseOfferingCode;

     private List<String> days;

     private String startTime;

     private String endTime;

     private String itemId;

     private String timeTypeName;

     private String regGroupTimesJsObject;

     public MeetingScheduleWrapper() {

         this.days = new ArrayList<String>();

     }

     public MeetingScheduleWrapper(MeetingScheduleInfo meetingSchedule) {

         this();

         this.meetingSchedule = meetingSchedule;

         // timePeriods string should be in format "TU,TH;1130,1330"

         String timePeriods = getMeetingSchedule().getScheduleId();

         String[] timePeriodsSplit = StringUtils.splitPreserveAllTokens(timePeriods, ";");

         Collections.addAll(days, StringUtils.split(timePeriodsSplit[0], ","));

         String[] timesArray = StringUtils.split(timePeriodsSplit[1], ",");

         this.startTime = timesArray[0];

         this.endTime = timesArray[1];

     }

     public MeetingScheduleInfo getMeetingSchedule() {

         return meetingSchedule;

     }

     public void setMeetingSchedule(MeetingScheduleInfo meetingSchedule) {

         this.meetingSchedule = meetingSchedule;

     }

     public String getCourseTitle() {

         return courseTitle;

     }

     public void setCourseTitle(String courseTitle) {

         this.courseTitle = courseTitle;

     }

     public String getCourseOfferingCode() {

         return courseOfferingCode;

     }

     public void setCourseOfferingCode(String courseOfferingCode) {

         this.courseOfferingCode = courseOfferingCode;

     }

     public List<String> getDays() {

         return days;

     }

     public void setDays(List<String> days) {

         this.days = days;

     }

     public String getStartTime() {

         return startTime;

     }

     public void setStartTime(String startTime) {

         this.startTime = startTime;

     }

     public String getEndTime() {

         return endTime;

     }

     public void setEndTime(String endTime) {

         this.endTime = endTime;

     }

     public String getJsScheduleObject() {

         String daysArray = "[";

         for (String day : getDays()) {

             daysArray = daysArray + "'" + day + "',";

         }

         daysArray = StringUtils.removeEnd(daysArray, ",") + "]";

         String st = startTime.trim();

         String et = endTime.trim();

         if (st.length() == 3) {

             st = "0" + st;

         }

         if (et.length() == 3) {

             et = "0" + et;

         }

         if (itemId == null) {

             itemId = "";

         }

         if (timeTypeName == null) {

             timeTypeName = "";

         }

         return "{timeId:'" + itemId + "', timeType:'" + timeTypeName + "', days:" + daysArray + ", startTime: '" + st + "', endTime: '" + et

                 + "', name: '" + courseOfferingCode + " " + courseTitle + "', displayableTime:'"+getDisplayableTime()+"' }";

     }

     public String getDisplayableTime() {

         //return human readable time format

         StringBuilder builder = new StringBuilder();

         for (String day : getDays()) {

             if (StringUtils.isNotBlank(builder.toString())) {

                 builder.append(",");

             }

             builder.append(day);

         }

         String hrStart = startTime.trim();

         String hrEnd = endTime.trim();

         hrStart = convertToStandardTime(hrStart);

         hrEnd = convertToStandardTime(hrEnd);

         //Shorten string length if applicable

         //international ampm symbols

         Locale usersLocale = Locale.getDefault();

         DateFormatSymbols dfs = new DateFormatSymbols(usersLocale);

         String ampm[] = dfs.getAmPmStrings();

         String am = ampm[Calendar.AM];

         String pm = ampm[Calendar.PM];

         if (hrStart.endsWith(am) && hrEnd.endsWith(am)) {

             hrStart = hrStart.replace(am, "");

         } else if (hrStart.endsWith(pm) && hrEnd.endsWith(pm)) {

             hrStart = hrStart.replace(pm, "");

         }

         return hrStart + "-" + hrEnd + " | " + builder.toString();

     }

     private String convertToStandardTime(String time) {

         String minutes;

         String hours;

         if (time.length() == 3) {

             hours = time.substring(0, 1);

             minutes = time.substring(1);

         } else {

             hours = time.substring(0, 2);

             minutes = time.substring(2);

         }

         int hour = Integer.parseInt(hours);

         boolean isPM = false;

         if (hour > 12) {

             hour = hour - 12;

             isPM = true;

         } else if (hour == 12) {

             isPM = true;

         } else if (hour == 0) {

             hour = 12;

         }

         //international ampm symbols

         Locale usersLocale = Locale.getDefault();

         DateFormatSymbols dfs = new DateFormatSymbols(usersLocale);

         String ampm[] = dfs.getAmPmStrings();

         String am = ampm[Calendar.AM];

         String pm = ampm[Calendar.PM];

         hours = "" + hour;

         if (isPM) {

             time = hours + ":" + minutes + pm;

         } else {

             time = hours + ":" + minutes + am;

         }

         return time;

     }

     public String getItemId() {

         return itemId;

     }

     public void setItemId(String itemId) {

         this.itemId = itemId;

     }

     public String getTimeTypeName() {

         return timeTypeName;

     }

     public void setTimeTypeName(String timeTypeName) {

         this.timeTypeName = timeTypeName;

     }

     public String getRegGroupTimesJsObject() {

         return regGroupTimesJsObject;

     }

     public void setRegGroupTimesJsObject(String regGroupTimesJsObject) {

         this.regGroupTimesJsObject = regGroupTimesJsObject;

     }

 }