/**
    * Copyright 2004-2013 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.opensource.org/licenses/ecl2.php
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.hr.lm.leaveblock;
  
  import java.math.BigDecimal;
  import java.sql.Date;
  import java.sql.Timestamp;
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.persistence.Transient;
  
  import org.apache.commons.collections.CollectionUtils;
  import org.apache.commons.lang.builder.EqualsBuilder;
  import org.apache.commons.lang.builder.HashCodeBuilder;
  import org.apache.commons.lang3.StringUtils;
  import org.joda.time.DateTime;
  import org.kuali.hr.lm.LMConstants;
  import org.kuali.hr.lm.accrual.AccrualCategory;
  import org.kuali.hr.lm.accrual.AccrualCategoryRule;
  import org.kuali.hr.lm.leaveplan.LeavePlan;
  import org.kuali.hr.lm.timeoff.SystemScheduledTimeOff;
  import org.kuali.hr.lm.workflow.LeaveRequestDocument;
  import org.kuali.hr.time.assignment.AssignmentDescriptionKey;
  import org.kuali.hr.time.calendar.Calendar;
  import org.kuali.hr.time.calendar.CalendarEntries;
  import org.kuali.hr.time.earncode.EarnCode;
  import org.kuali.hr.time.principal.PrincipalHRAttributes;
  import org.kuali.hr.time.service.base.TkServiceLocator;
  import org.kuali.hr.time.task.Task;
  import org.kuali.hr.time.util.TKUtils;
  import org.kuali.hr.time.util.TkConstants;
  import org.kuali.hr.time.workarea.WorkArea;
  import org.kuali.rice.kew.api.KewApiServiceLocator;
  import org.kuali.rice.kew.api.document.DocumentStatus;
  import org.kuali.rice.krad.bo.PersistableBusinessObjectBase;
  import org.kuali.rice.krad.util.ObjectUtils;
  
  public class LeaveBlock extends PersistableBusinessObjectBase {
  
  	private static final long serialVersionUID = -8240826812581295376L;
  	
  	private String lmLeaveBlockId;
  	private Date leaveDate;
  	private String description;
  	private String principalId;
  	private String earnCode;
  	private String scheduleTimeOffId;
  	private String accrualCategory;
  	// private Boolean active;
  	private BigDecimal leaveAmount = new BigDecimal("0.0");
  	private String applyToYtdUsed;
  	private String documentId;
  	private String principalIdModified;
  	private Timestamp timestamp;
  	private Boolean accrualGenerated;
  	private Long blockId;
  	private String tkAssignmentId;
  	private String requestStatus;
  	private String leaveBlockType;
  	private String documentStatus;
  	
  	private List<LeaveBlockHistory> leaveBlockHistories = new ArrayList<LeaveBlockHistory>();
  	private SystemScheduledTimeOff systemScheduledTimeOffObj;
  	private AccrualCategory accrualCategoryObj;
      private String leaveRequestDocumentId;
      
      private Timestamp beginTimestamp;
      private Timestamp endTimestamp;
      
  	@Transient
  	private boolean submit;
  	@Transient
  	private String reason;
  	@Transient
  	private Timestamp dateAndTime;
  
  	private Long workArea;
  	private Long jobNumber;
  	private Long task;
  	private String assignmentKey;
  	
  	@Transient
  	private String assignmentTitle;
  	@Transient
  	private String calendarId;
 	@Transient
 	private String planningDescription;
 
 	private String transactionalDocId;
 
 	public String getAccrualCategoryRuleId() {
 		AccrualCategory category = TkServiceLocator.getAccrualCategoryService().getAccrualCategory(accrualCategory, leaveDate);
 		PrincipalHRAttributes pha = TkServiceLocator.getPrincipalHRAttributeService().getPrincipalCalendar(principalId, leaveDate);
 		AccrualCategoryRule aRule = TkServiceLocator.getAccrualCategoryRuleService().getAccrualCategoryRuleForDate(category, leaveDate, pha.getServiceDate());
 		return ObjectUtils.isNull(aRule) ? null : aRule.getLmAccrualCategoryRuleId();
 	}
 	
 	public static class Builder {
 
 		// required parameters for the constructor
 		private final Date leaveDate;
 		private final String principalId;
 		private final String documentId;
 		private final String earnCode;
 		private final BigDecimal leaveAmount;
 
 		private String description = null;
 		private String applyToYtdUsed = null;
 		private String principalIdModified = null;
 		private Timestamp timestamp = null;
 		private Boolean accrualGenerated = Boolean.FALSE;
 		private Long blockId = 0L;
 		private String scheduleTimeOffId;
 		private String accrualCategory;
 		private String tkAssignmentId;
 		private String requestStatus;
 		private Long workArea;
 		private Long jobNumber;
 		private Long task;
 		private String leaveBlockType;
 		
 		public Builder(DateTime leaveBlockDate, String documentId,
 				String principalId, String earnCode, BigDecimal leaveAmount) {
 			this.leaveDate = new java.sql.Date(leaveBlockDate.toDate()
 					.getTime());
 			this.documentId = documentId;
 			this.principalId = principalId;
 			this.earnCode = earnCode;
 			this.leaveAmount = leaveAmount;
 		}
 
 		// validations could be done in the builder methods below
 
 		public Builder description(String val) {
 			this.description = val;
 			return this;
 		}
 
 		public Builder applyToYtdUsed(String val) {
 			this.applyToYtdUsed = val;
 			return this;
 		}
 
 		public Builder principalIdModified(String val) {
 			this.principalIdModified = val;
 			return this;
 		}
 
 		public Builder timestamp(Timestamp val) {
 			this.timestamp = val;
 			return this;
 		}
 
 		public Builder accrualGenerated(Boolean val) {
 			this.accrualGenerated = val;
 			return this;
 		}
 
 		public Builder blockId(Long val) {
 			this.blockId = val;
 			return this;
 		}
 
 		// TODO: need to hook up the objcets to get the real ids
 		public Builder scheduleTimeOffId(String val) {
 			this.scheduleTimeOffId = val;
 			return this;
 		}
 
 		public Builder accrualCategory(String val) {
 			this.accrualCategory = val;
 			return this;
 		}
 
 		public Builder tkAssignmentId(String val) {
 			this.tkAssignmentId = val;
 			return this;
 		}
 
 		public Builder workArea(Long val) {
 			this.workArea = val;
 			return this;
 		}
 
 		public Builder jobNumber(Long val) {
 			this.jobNumber = val;
 			return this;
 		}
 
 		public Builder task(Long val) {
 			this.task = val;
 			return this;
 		}
 
 		public Builder requestStatus(String val) {
 			this.requestStatus = val;
 			return this;
 		}
 		
 		public Builder leaveBlockType(String leaveBlockType) {
 			this.leaveBlockType = leaveBlockType;
 			return this;
 		}
 
 		public LeaveBlock build() {
 			return new LeaveBlock(this);
 		}
 
 	}
 
 	private LeaveBlock(Builder builder) {
 		leaveDate = builder.leaveDate;
 		description = builder.description;
 		principalId = builder.principalId;
 		earnCode = builder.earnCode;
 		leaveAmount = builder.leaveAmount;
 		applyToYtdUsed = builder.applyToYtdUsed;
 		documentId = builder.documentId;
 		principalIdModified = builder.principalIdModified;
 		timestamp = builder.timestamp;
 		accrualGenerated = builder.accrualGenerated;
 		blockId = builder.blockId;
 		scheduleTimeOffId = builder.scheduleTimeOffId;
 		accrualCategory = builder.accrualCategory;
 		tkAssignmentId = builder.tkAssignmentId;
 		requestStatus = builder.requestStatus;
 		workArea = builder.workArea;
 		jobNumber = builder.jobNumber;
 		task = builder.task;
 		leaveBlockType = builder.leaveBlockType;
 		// TODO: need to hook up leaveCodeObj, systemScheduledTimeOffObj,
 		// accrualCategoryObj, and ids for individual obj
 	}
 
 	public LeaveBlock() {
 
 	}
 
 	public String getAccrualCategory() {
 		return accrualCategory;
 	}
 
 	public void setAccrualCategory(String accrualCategory) {
 		this.accrualCategory = accrualCategory;
 	}
 
 	public Boolean getAccrualGenerated() {
 		return accrualGenerated;
 	}
 
 	public void setAccrualGenerated(Boolean accrualGenerated) {
 		this.accrualGenerated = accrualGenerated;
 	}
 
 	// public Boolean getActive() {
 	// return active;
 	// }
 	//
 	// public void setActive(Boolean active) {
 	// this.active = active;
 	// }
 
 	public String getApplyToYtdUsed() {
 		return applyToYtdUsed;
 	}
 
 	public boolean getSubmit() {
 		return submit;
 	}
 
 	public void setSubmit(boolean submit) {
 		this.submit = submit;
 	}
 
 	public void setApplyToYtdUsed(String applyToYtdUsed) {
 		this.applyToYtdUsed = applyToYtdUsed;
 	}
 
 	public Long getBlockId() {
 		return blockId;
 	}
 
 	public void setBlockId(Long blockId) {
 		this.blockId = blockId;
 	}
 
 	public String getDescription() {
 		return description;
 	}
 
 	public void setDescription(String description) {
 		this.description = description;
 	}
 
 	public String getDocumentId() {
 		return documentId;
 	}
 
 	public void setDocumentId(String documentId) {
 		this.documentId = documentId;
 	}
 
 	public BigDecimal getLeaveAmount() {
 		return leaveAmount;
 	}
 
 	public void setLeaveAmount(BigDecimal leaveAmount) {
 		this.leaveAmount = leaveAmount;
 	}
 
 	public Date getLeaveDate() {
 		return leaveDate;
 	}
 
 	public void setLeaveDate(Date leaveDate) {
 		this.leaveDate = leaveDate;
 	}
 
 	public String getLmLeaveBlockId() {
 		return lmLeaveBlockId;
 	}
 
 	public void setLmLeaveBlockId(String lmLeaveBlockId) {
 		this.lmLeaveBlockId = lmLeaveBlockId;
 	}
 
 	public String getPrincipalIdModified() {
 		return principalIdModified;
 	}
 
 	public void setPrincipalIdModified(String principalIdModified) {
 		this.principalIdModified = principalIdModified;
 	}
 
 	public String getPrincipalId() {
 		return principalId;
 	}
 
 	public void setPrincipalId(String principalId) {
 		this.principalId = principalId;
 	}
 
 	public String getScheduleTimeOffId() {
 		return scheduleTimeOffId;
 	}
 
 	public void setScheduleTimeOffId(String scheduleTimeOffId) {
 		this.scheduleTimeOffId = scheduleTimeOffId;
 	}
 
 	public Timestamp getTimestamp() {
 		return timestamp;
 	}
 
 	public void setTimestamp(Timestamp timestamp) {
 		this.timestamp = timestamp;
 	}
 
 	public AccrualCategory getAccrualCategoryObj() {
 		return accrualCategoryObj;
 	}
 
 	public void setAccrualCategoryObj(AccrualCategory accrualCategoryObj) {
 		this.accrualCategoryObj = accrualCategoryObj;
 	}
 
 	public SystemScheduledTimeOff getSystemScheduledTimeOffObj() {
 		return systemScheduledTimeOffObj;
 	}
 
 	public void setSystemScheduledTimeOffObj(
 			SystemScheduledTimeOff systemScheduledTimeOffObj) {
 		this.systemScheduledTimeOffObj = systemScheduledTimeOffObj;
 	}
 
 	public String getTkAssignmentId() {
 		return tkAssignmentId;
 	}
 
 	public void setTkAssignmentId(String tkAssignmentId) {
 		this.tkAssignmentId = tkAssignmentId;
 	}
 
 	public String getRequestStatus() {
 		return requestStatus;
 	}
 
 	public void setRequestStatus(String requestStatus) {
 		this.requestStatus = requestStatus;
 	}
 
     public String getRequestStatusString() {
         String status = LMConstants.REQUEST_STATUS_STRINGS.get(getRequestStatus());
         return status == null ? "usage" : status;
     }
 
 	public List<LeaveBlockHistory> getLeaveBlockHistories() {
 		return leaveBlockHistories;
 	}
 
 	public void setLeaveBlockHistories(
 			List<LeaveBlockHistory> leaveBlockHistories) {
 		this.leaveBlockHistories = leaveBlockHistories;
 	}
 
 	public String getReason() {
 		return reason;
 	}
 
 	public void setReason(String reason) {
 		this.reason = reason;
 	}
 
 	public Timestamp getDateAndTime() {
 		return dateAndTime;
 	}
 
 	public void setDateAndTime(Timestamp dateAndTime) {
 		this.dateAndTime = dateAndTime;
 	}
 
 	public Long getWorkArea() {
 		return workArea;
 	}
 
 	public void setWorkArea(Long workArea) {
 		this.workArea = workArea;
 	}
 
 	public Long getJobNumber() {
 		return jobNumber;
 	}
 
 	public void setJobNumber(Long jobNumber) {
 		this.jobNumber = jobNumber;
 	}
 
 	public Long getTask() {
 		return task;
 	}
 
 	public void setTask(Long task) {
 		this.task = task;
 	}
 
 	public String getAssignmentTitle() {
 		StringBuilder b = new StringBuilder();
 
 		if (this.workArea != null) {
 			WorkArea wa = TkServiceLocator.getWorkAreaService().getWorkArea(
 					this.workArea, TKUtils.getCurrentDate());
 			if (wa != null) {
 				b.append(wa.getDescription());
 			}
 			Task task = TkServiceLocator.getTaskService().getTask(
 					this.getTask(), this.getLeaveDate());
 			if (task != null) {
 				// do not display task description if the task is the default
 				// one
 				// default task is created in getTask() of TaskService
 				if (!task.getDescription()
 						.equals(TkConstants.TASK_DEFAULT_DESP)) {
 					b.append("-" + task.getDescription());
 				}
 			}
 		}
 		return b.toString();
 	}
 
 	public void setAssignmentTitle(String assignmentTitle) {
 		this.assignmentTitle = assignmentTitle;
 	}
 
 	public String getCalendarId() {
 		PrincipalHRAttributes principalHRAttributes = TkServiceLocator.getPrincipalHRAttributeService().getPrincipalCalendar(this.principalId, TKUtils.getCurrentDate());
 		Calendar pcal= null;
 		if(principalHRAttributes != null) {
 			//pcal = principalHRAttributes.getCalendar() != null ? principalHRAttributes.getCalendar() : principalHRAttributes.getLeaveCalObj() ;
 			pcal = principalHRAttributes.getLeaveCalObj() != null ? principalHRAttributes.getLeaveCalObj() : principalHRAttributes.getCalendar();
             if(pcal!= null) {
 				CalendarEntries calEntries = TkServiceLocator.getCalendarEntriesService().getCurrentCalendarEntriesByCalendarId(pcal.getHrCalendarId(), this.leaveDate);
 				if(calEntries != null) {
 					this.calendarId = calEntries.getHrCalendarEntriesId();
 				}
 			}
 		}
 		return calendarId;
 	}
 
 	public void setCalendarId(String calendarId) {
 		this.calendarId = calendarId;
 	}
 
 	public String getEarnCode() {
 		return earnCode;
 	}
 
 	public void setEarnCode(String earnCode) {
 		this.earnCode = earnCode;
 	}
 	
 	public String getEarnCodeDescription() {
 		String earnCodeDescription = "";
 		
 		EarnCode earnCodeObj = TkServiceLocator.getEarnCodeService().getEarnCode(earnCode, leaveDate);
 		if (earnCodeObj != null) {
 			earnCodeDescription = earnCodeObj.getDescription();
 		}
 		
 		return earnCodeDescription;
 	}
 
 	public String getLeaveBlockType() {
 		return leaveBlockType;
 	}
 
 	public void setLeaveBlockType(String leaveBlockType) {
 		this.leaveBlockType = leaveBlockType;
 	}
 
     public boolean isEditable() {
         return TkServiceLocator.getPermissionsService().canEditLeaveBlock(this);
     }
 
     public boolean isDeletable() {
         return TkServiceLocator.getPermissionsService().canDeleteLeaveBlock(this);
     }
     
     public String getAssignmentKey() {
         if (assignmentKey == null) {
             this.setAssignmentKey(TKUtils.formatAssignmentKey(jobNumber, workArea, task));
         }
         return assignmentKey;
     }
     public void setAssignmentKey(String assignmentDescription) {
         this.assignmentKey = assignmentDescription;
     }
 
 	public String getDocumentStatus() {
 		return documentStatus;
 	}
 
 	public void setDocumentStatus(String documentStatus) {
 		this.documentStatus = documentStatus;
 	}
 
     public String getLeaveRequestDocumentId() {
         return leaveRequestDocumentId;
     }
 
     public void setLeaveRequestDocumentId(String leaveRequestDocumentId) {
         this.leaveRequestDocumentId = leaveRequestDocumentId;
     }
 
     @Override
     public int hashCode() {
         return new HashCodeBuilder()
                 .append(this.principalId)
                 .append(this.jobNumber)
                 .append(this.workArea)
                 .append(this.task)
                 .append(this.earnCode)
                 .append(this.leaveDate)
                 .append(this.leaveAmount)
                 .append(this.accrualCategory)
                 .append(this.earnCode)
                 .append(this.description)
                 .append(this.leaveBlockType)
                 .toHashCode();
     }
 
     @Override
     public boolean equals(Object obj) {
         if (obj == null) {
             return false;
         }
         if (obj == this) {
             return true;
         }
         if (obj.getClass() != getClass()) {
             return false;
         }
         LeaveBlock leaveBlock = (LeaveBlock) obj;
         return new EqualsBuilder()
                 .append(principalId, leaveBlock.principalId)
                 .append(jobNumber, leaveBlock.jobNumber)
                 .append(workArea, leaveBlock.workArea)
                 .append(task, leaveBlock.task)
                 .append(earnCode, leaveBlock.earnCode)
                 .append(leaveDate, leaveBlock.leaveDate)
                 .append(leaveAmount, leaveBlock.leaveAmount)
                 .append(accrualCategory, leaveBlock.accrualCategory)
                 .append(earnCode, leaveBlock.earnCode)
                 .append(description, leaveBlock.description)
                 .append(leaveBlockType, leaveBlock.leaveBlockType)
                 .isEquals();
     }
     
     public String getPlanningDescription() {
     	if(this.getRequestStatus().equals(LMConstants.REQUEST_STATUS.DEFERRED)) {
     		List<LeaveRequestDocument> lrdList = TkServiceLocator.getLeaveRequestDocumentService().getLeaveRequestDocumentsByLeaveBlockId(this.getLmLeaveBlockId());
     		if(CollectionUtils.isNotEmpty(lrdList)) {
     			for(LeaveRequestDocument lrd : lrdList) {    				
     				DocumentStatus status = KewApiServiceLocator.getWorkflowDocumentService().getDocumentStatus(lrd.getDocumentNumber());
     				if(status != null && DocumentStatus.CANCELED.getCode().equals(status.getCode())) {
 	    				String requestDescription = "";
 						if(StringUtils.isNotEmpty(this.getDescription())) {
 							requestDescription = this.getDescription() + " <br/>";
 						}
 						String actionDateString = TKUtils.formatDate(new Date(lrd.getDocumentHeader().getWorkflowDocument().getDateFinalized().getMillis()));
 						requestDescription += "Approval deferred on " + actionDateString + ". Reason: " + lrd.getDescription();
 			    		this.setPlanningDescription(requestDescription);
 						return planningDescription;
     				}
     			}
     		}
     	}
     	this.setPlanningDescription(this.getDescription());
     	return planningDescription;
     }
 
 	public void setPlanningDescription(String planningDescription) {
 		this.planningDescription = planningDescription;
 	}
 
 	public void setTransactionDocId(String documentHeaderId) {
 		transactionalDocId = documentHeaderId;		
 	}
 	
 	public String getTransactionalDocId() {
 		return transactionalDocId;
 	}
 
 	public Timestamp getBeginTimestamp() {
 		return beginTimestamp;
 	}
 
 	public void setBeginTimestamp(Timestamp beginTimestamp) {
 		this.beginTimestamp = beginTimestamp;
 	}
 
 	public Timestamp getEndTimestamp() {
 		return endTimestamp;
 	}
 
 	public void setEndTimestamp(Timestamp endTimestamp) {
 		this.endTimestamp = endTimestamp;
 	}
 }