package org.kuali.student.core.comments.ui.client.widgets.decisiontool;

 import java.text.SimpleDateFormat;

 import java.util.ArrayList;

 import java.util.List;

 import java.util.Map;

 import org.kuali.student.common.ui.client.application.Application;

 import org.kuali.student.common.ui.client.application.KSAsyncCallback;

 import org.kuali.student.common.ui.client.configurable.mvc.HasReferenceId;

 import org.kuali.student.common.ui.client.configurable.mvc.SectionTitle;

 import org.kuali.student.common.ui.client.configurable.mvc.ToolView;

 import org.kuali.student.common.ui.client.mvc.Callback;

 import org.kuali.student.common.ui.client.mvc.Controller;

 import org.kuali.student.common.ui.client.mvc.ModelRequestCallback;

 import org.kuali.student.common.ui.client.mvc.dto.ReferenceModel;

 import org.kuali.student.common.ui.client.theme.Theme;

 import org.kuali.student.common.ui.client.widgets.KSButton;

 import org.kuali.student.common.ui.client.widgets.KSLightBox;

 import org.kuali.student.common.ui.client.widgets.layout.VerticalFlowPanel;

 import org.kuali.student.common.ui.client.widgets.searchtable.ResultRow;

 import org.kuali.student.common.ui.client.widgets.table.scroll.Column;

 import org.kuali.student.common.ui.client.widgets.table.scroll.DefaultTableModel;

 import org.kuali.student.common.ui.client.widgets.table.scroll.Row;

 import org.kuali.student.common.ui.client.widgets.table.scroll.RowComparator;

 import org.kuali.student.common.ui.client.widgets.table.scroll.Table;

 import org.kuali.student.core.comment.dto.CommentInfo;

 import org.kuali.student.core.comments.ui.client.service.CommentRpcService;

 import org.kuali.student.core.comments.ui.client.service.CommentRpcServiceAsync;

 import org.kuali.student.core.organization.ui.client.mvc.model.MembershipInfo;

 import org.kuali.student.core.organization.ui.client.service.OrgRpcService;

 import org.kuali.student.core.organization.ui.client.service.OrgRpcServiceAsync;

 import org.kuali.student.core.workflow.ui.client.widgets.WorkflowUtilities.DecisionRationaleDetail;

 import com.google.gwt.core.client.GWT;

 import com.google.gwt.event.dom.client.ClickEvent;

 import com.google.gwt.event.dom.client.ClickHandler;

 import com.google.gwt.user.client.Window;

 import com.google.gwt.user.client.ui.Image;

 import com.google.gwt.user.client.ui.VerticalPanel;

 import com.google.gwt.user.client.ui.Widget;

 public class DecisionPanel implements HasReferenceId, ToolView {

         private CommentRpcServiceAsync commentServiceAsync = GWT

                         .create(CommentRpcService.class);

         private OrgRpcServiceAsync orgProposalRpcServiceAsync = GWT

                         .create(OrgRpcService.class);

         private String referenceId;

         private String referenceTypeKey;

         private String referenceType;

         private String referenceState;

         private Map referenceAttributes;

         private KSLightBox commentLightBox;

         private VerticalFlowPanel contentPanel;

         private VerticalPanel titlePanel;

         private VerticalPanel scrollPanel;

         private SectionTitle title;

         private SectionTitle proposalNameHeader;

         private Table table;

         private Controller controller;

         private Enum<?> viewEnum;

         private String viewName; // View name is being used as menu item label

         private String decisionTypeKey;

         private ArrayList<String> personIds;

         private DefaultTableModel tableModel;

         public DecisionPanel(Enum<?> viewEnum, String viewName,

                         String decisionTypeKey) {

                 this.viewName = viewName;

                 this.viewEnum = viewEnum;

                 this.decisionTypeKey = decisionTypeKey;

                 init();

         }

         private void init() {

                 KSButton closeActionButton = new KSButton(getMessage("wrapperPanelClose"));

                 closeActionButton.addClickHandler(new ClickHandler() {

                         public void onClick(ClickEvent event) {

                                 commentLightBox.hide();

                         }

                 });

                 if (commentLightBox == null) {

                         commentLightBox = new KSLightBox("Proposal Decisions");

                         commentLightBox.addButton(closeActionButton);

                 }

                 scrollPanel = new VerticalPanel();

                 contentPanel = new VerticalFlowPanel();

                 //titlePanel = new VerticalPanel();

                 // contentPanel.add(htmlLabel);

                 table = new Table();

                 table.getScrollPanel().setHeight("400px");

                 table.setTableModel(tableModel);

                 scrollPanel.add(table);

                 //contentPanel.add(titlePanel);

                 contentPanel.add(scrollPanel);

                 // commentLightBox.setWidget(titlePanel);

                 commentLightBox.setWidget(contentPanel);

                 commentLightBox.setMaxHeight(600);

         }

         private void referesh() {

                 contentPanel.clear();

                 init();

                 StringBuilder titleTextSb = new StringBuilder();

                 titleTextSb.append(referenceAttributes.get("name"));

 /*                proposalNameHeader = SectionTitle.generateH3Title(titleTextSb

                                 .toString());

                 titlePanel.add(proposalNameHeader);

                 title = SectionTitle.generateH1Title("Proposal Decisions");

                 title.addStyleName("ks-layout-header");

                 titlePanel.add(title);*/

                 getDecisions();

         }

         private void getDecisions() {

                 try {

                         commentServiceAsync.getComments(referenceId, referenceTypeKey,

                                         new KSAsyncCallback<List<CommentInfo>>() {

                                                 @Override

                                                 public void onSuccess(final List<CommentInfo> result) {

                                                         if(result==null||result.isEmpty()){

                                                                 initializeDecisionTable();

                                                         }

                                                         else{

                                                                 getPersonNames(result);

                                                         }

                                                 }

                                         });

                 } catch (Exception e) {

                         Window.alert("Failed to refresh Comments");

                         GWT.log("refresh Comments Failed", e);

                 }

         }

         private void getPersonNames(final List<CommentInfo> comments) {

                 personIds = new ArrayList<String>();

                 for (CommentInfo comment : comments) {

                         if(comment.getMetaInfo().getCreateId()!=null){

                                 personIds.add(comment.getMetaInfo().getCreateId());

                         }

                         else{

                                 personIds.add("");

                         }

                 }

                 orgProposalRpcServiceAsync.getNamesForPersonIds(personIds,

                                 new KSAsyncCallback<Map<String, MembershipInfo>>() {

                                         @Override

                                         public void onSuccess(Map<String, MembershipInfo> members) {

                                                 redrawDecisionTable(comments, members);

                                         }

                                 });

                 // onReadyCallback.exec(true);

         }

         private void redrawDecisionTable(List<CommentInfo> commentInfos,

                         Map<String, MembershipInfo> members) {

                 if (commentInfos != null) {

                         int rowIndex = 0;

                         for (final CommentInfo commentInfo : commentInfos) {

                             /* we only want decision rationale comments so if no DecisionRationaleDetail is returned for comment

                  * type then don't add that comment to the table

                  */

                             DecisionRationaleDetail drDetails = DecisionRationaleDetail.getByType(commentInfo.getType());

                             if (drDetails != null) {

                                     int columnIndex = 0;

                                     if (rowIndex == 0) {

                                             initializeDecisionTable();

                                             rowIndex++;

                                     }

                                     ResultRow theRow = new ResultRow();

                     theRow.setId(commentInfo.getId());

                     theRow.setValue("Decision", drDetails.getLabel());

                                     SimpleDateFormat dateformat = new SimpleDateFormat("MM/dd/yyyy");

                                     StringBuilder rationaleDate = new StringBuilder(dateformat

                                                     .format(commentInfo.getMetaInfo().getCreateTime()));

                                     theRow.setId(commentInfo.getId());

                                     theRow.setValue("Date", rationaleDate.toString());

                                     if (members.get(commentInfo.getMetaInfo().getCreateId()) != null) {

                                             MembershipInfo memberInfo = members.get(commentInfo

                                                             .getMetaInfo().getCreateId());

                                             StringBuilder memberName = new StringBuilder();

                                             memberName.append(memberInfo.getFirstName());

                                             memberName.append(" ");

                                             memberName.append(memberInfo.getLastName());

                                             theRow.setId(commentInfo.getId());

                                             theRow.setValue("Actor", memberName.toString());

                                     }

                                     theRow.setId(commentInfo.getId());

                                     theRow.setValue("Rationale", commentInfo.getCommentText()

                                                     .getPlain());

                                     tableModel.addRow(new RationaleRow(theRow));

                             }

                                                 }

                         // KSLAB-2569 KSCM-1644, was getting NPE here when there were comments, but

                         // no "decision rationale" (and thus null tableModel)

                         // tables was never initialize in these conditions.

                  if (tableModel == null){

                          initializeDecisionTable();

                  }         

              tableModel.fireTableDataChanged(); 

                 }

         }

         class RationaleRow extends Row {

                 ResultRow row;

                 public RationaleRow(ResultRow row) {

                         this.row = row;

                 }

                 @Override

                 public Object getCellData(String columnId) {

                         return row.getValue(columnId);

                 }

                 @Override

                 public void setCellData(String columnId, Object newValue) {

                         row.setValue(columnId, newValue.toString());

                 }

                 @Override

                 public String toString() {

                         return row.toString();

                 }

                 public ResultRow getResultRow() {

                         return row;

                 }

         }

         private void initializeDecisionTable() {

                 ArrayList<String> tableHeaderList = new ArrayList<String>();

                 tableHeaderList.add("Decision");

                 tableHeaderList.add("Date");

                 tableHeaderList.add("Actor");

                 tableHeaderList.add("Rationale");

                 tableModel = new DefaultTableModel();

                 for (String tableHeader : tableHeaderList) {

                         Column col1 = new Column();

                         col1.setId(tableHeader);

                         String header = Application.getApplicationContext().getUILabel("",

                                         null, null, tableHeader);

                         col1.setName(header);

                         if (tableHeader.equals("Rationale")) {

                                 col1.setWidth("200px");

                         } else if (tableHeader.equals("Actor")) {

                                 col1.setWidth("150px");

                         } else {

                                 col1.setWidth("100px");

                         }

                         if (tableHeader.equals("Date")) {

                                 col1.setAscendingRowComparator(new FieldAscendingRowComparator(

                                                 "Date"));

                         }

                         tableModel.addColumn(col1);

                 }

                 table.setTableModel(tableModel);

         }

         @Override

         public String getReferenceId() {

                 return this.referenceId;

         }

         @Override

         public String getReferenceState() {

                 return this.referenceState;

         }

         @Override

         public String getReferenceType() {

                 return this.referenceType;

         }

         @Override

         public String getReferenceTypeKey() {

                 return this.referenceTypeKey;

         }

         public Map getReferenceAttributes() {

                 return referenceAttributes;

         }

         @Override

         public void setReferenceId(String id) {

                 this.referenceId = id;

         }

         @Override

         public void setReferenceState(String state) {

                 this.referenceState = state;

         }

         @Override

         public void setReferenceType(String type) {

                 this.referenceType = type;

         }

         @Override

         public void setReferenceTypeKey(String key) {

                 this.referenceTypeKey = key;

         }

         public void setReferenceAttributes(Map referenceAttributes) {

                 this.referenceAttributes = referenceAttributes;

         }

         @Override

         public Image getImage() {

                 return Theme.INSTANCE.getCommonImages().getCommentIcon();

         }

         @Override

         public Enum<?> getViewEnum() {

                 return viewEnum;

         }

         @Override

         public void setController(Controller controller) {

                 this.controller = controller;

         }

         @Override

         public Widget asWidget() {

                 return commentLightBox.getWidget();

         }

         @Override

         public boolean beforeHide() {

                 return true;

         }

         @Override

         public void beforeShow(Callback<Boolean> onReadyCallback) {

                 onReadyCallback.exec(true);

         }

         @Override

         public void clear() {

         }

         @Override

         public Controller getController() {

                 return this.controller;

         }

         @Override

         public String getName() {

                 return this.viewName;

         }

         @Override

         public void updateModel() {

         }

         @Override

         public String collectHistory(String historyStack) {

                 return null;

         }

         @Override

         public void onHistoryEvent(String historyStack) {

         }

         @Override

         public void collectBreadcrumbNames(List<String> names) {

         }

         public void show() {

                 controller.requestModel(ReferenceModel.class,

                                 new ModelRequestCallback<ReferenceModel>() {

                                         public void onModelReady(ReferenceModel model) {

                                                 setReferenceId(model.getReferenceId());

                                                 setReferenceTypeKey(model.getReferenceTypeKey());

                                                 setReferenceType(model.getReferenceType());

                                                 setReferenceState(model.getReferenceState());

                                                 setReferenceAttributes(model.getReferenceAttributes());

                                                 // refreshComments();

                                                 referesh();

                                                 commentLightBox.show();

                                         }

                                         public void onRequestFail(Throwable cause) {

                                                 Window.alert(cause.toString());

                                         }

                                 });

         }

     private static String getMessage(final String messageId) {

         return Application.getApplicationContext().getMessage(messageId);

     }

     public boolean isExportButtonActive() {

         return false;

     }

         @Override

         public void showExport(boolean show) {

                 // TODO Auto-generated method stub

         }

 }

 class FieldAscendingRowComparator extends RowComparator {

         String columnId;

         FieldAscendingRowComparator(String columnId) {

                 this.columnId = columnId;

         }

         @Override

         public int compare(Row row0, Row row1) {

                 String id0, id1;

                 id0 = (String) row0.getCellData(columnId);

                 id1 = (String) row1.getCellData(columnId);

                 return id0.compareTo(id1);

         }

 }

 class FieldDescendingRowComparator extends RowComparator {

         String columnId;

         FieldDescendingRowComparator(String columnId) {

                 this.columnId = columnId;

         }

         @Override

         public int compare(Row row0, Row row1) {

                 String id0, id1;

                 id0 = (String) row0.getCellData(columnId);

                 id1 = (String) row1.getCellData(columnId);

                 return id1.compareTo(id0);

         }

 }