/**
    * 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.time.util;
  
  import java.math.BigDecimal;
  import java.net.URLEncoder;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.log4j.Logger;
  import org.joda.time.DateTime;
  import org.joda.time.Interval;
  import org.kuali.hr.TestAutoLoginFilter;
  import org.kuali.hr.util.HtmlUnitUtil;
  import org.kuali.kpme.core.assignment.Assignment;
  import org.kuali.kpme.core.assignment.AssignmentDescriptionKey;
  import org.kuali.kpme.core.earncode.EarnCode;
  import org.kuali.kpme.core.util.TKUtils;
  import org.kuali.kpme.tklm.time.detail.validation.TimeDetailValidationUtil;
  import org.kuali.kpme.tklm.time.detail.web.TimeDetailActionFormBase;
  import org.kuali.kpme.tklm.time.timesheet.TimesheetDocument;
  
  import com.gargoylesoftware.htmlunit.WebClient;
  import com.gargoylesoftware.htmlunit.html.HtmlButton;
  import com.gargoylesoftware.htmlunit.html.HtmlForm;
  import com.gargoylesoftware.htmlunit.html.HtmlPage;
  
  public class TimeDetailTestUtils {
  
      private static final Logger LOG = Logger.getLogger(TimeDetailTestUtils.class);
  
      /**
       * From the provided set of parameters, build an action form suitable for
       * submitting to the TimeDetailAction servlet. In our case, we are mostly
       * using it in a mock type of situation.
       * @param timeshetDocument
       * @param assignment
       * @param earnCode
       * @param start
       * @param end
       * @param amount
       * @param acrossDays
       * @param timeblockId
       *
       * @return A populated TimeDetailActionFormBase object.
       */
      public static TimeDetailActionFormBase buildDetailActionForm(TimesheetDocument timeshetDocument, Assignment assignment, EarnCode earnCode, DateTime start, DateTime end, BigDecimal amount, boolean acrossDays, String timeblockId, boolean spanningWeeks) {
          TimeDetailActionFormBase tdaf = new TimeDetailActionFormBase();
          /**
           * 
           * 
           * 
           */
          BigDecimal hours = null;
          String startTimeS = null;
          String endTimeS = null;
          String startDateS;
          String endDateS;
          String selectedEarnCode;
          String selectedAssignment;
  
          if (hours == null) {
              if (start != null && end != null) {
                  Interval se_i = new Interval(start, end);
                  hours = TKUtils.convertMillisToHours(se_i.toDurationMillis());
              }
  
              // the date/time format is defined in tk.calendar.js. For now, the format is 11/17/2010 8:0
              startTimeS = start.toString("H:mm");
              endTimeS = end.toString("H:mm");
          }
  
          startDateS = start.toString("MM/dd/YYYY");
          endDateS = end.toString("MM/dd/YYYY");
  
          AssignmentDescriptionKey adk = new AssignmentDescriptionKey(assignment);
          selectedAssignment = adk.toAssignmentKeyString();
  
          selectedEarnCode = earnCode.getEarnCode();
  
          tdaf.setAcrossDays(acrossDays ? "y" : "n");
          tdaf.setSpanningWeeks(spanningWeeks ? "y" : "n"); // KPME-1446
          tdaf.setAmount(amount);
          tdaf.setHours(hours);
          tdaf.setStartTime(startTimeS);
          tdaf.setEndTime(endTimeS);
         tdaf.setStartDate(startDateS);
         tdaf.setEndDate(endDateS);
         tdaf.setTkTimeBlockId(timeblockId);
         tdaf.setTimesheetDocument(timeshetDocument);
         tdaf.setSelectedAssignment(selectedAssignment);
         tdaf.setSelectedEarnCode(selectedEarnCode);
         //tdaf.setPrincipalId(principalId);
         tdaf.setMethodToCall("addTimeBlock");
 
         return tdaf;
     }
 
     /**
      * Set the attributes on the provided html form to the values found in the provided
      * ActionForm. Errors are returned in the List<String> object.
      *
      * @param form The HtmlForm to populate.
      * @param tdaf The ActionForm with values we will use to populate.
      *
      * @return A list of string error messages from the validation call.
      */
     public static List<String> setTimeBlockFormDetails(HtmlForm form, TimeDetailActionFormBase tdaf) {
         // Validation -- the same call the WS makes. (should already be valid...)
         List<String> errors = TimeDetailValidationUtil.validateTimeEntryDetails(tdaf);
 /*        errors = new ArrayList<String>();*/
         // If validation passes, we can add the time block.
         if (errors.size() == 0) {
             if (tdaf.getTkTimeBlockId() != null) {
                 form.setAttribute("tkTimeBlockId", tdaf.getTkTimeBlockId().toString());
             }
             form.setAttribute("startDate", tdaf.getStartDate());
             form.setAttribute("endDate", tdaf.getEndDate());
 
             if (tdaf.getAmount() != null) {
                 form.setAttribute("amount", tdaf.getAmount().toString());
             } else {
                 form.setAttribute("startTime", tdaf.getStartTime());
                 form.setAttribute("endTime", tdaf.getEndTime());
                 form.setAttribute("hours", tdaf.getHours().toString());
             }
 
             form.setAttribute("selectedEarnCode", tdaf.getSelectedEarnCode());
             form.setAttribute("selectedAssignment", tdaf.getSelectedAssignment());
             form.setAttribute("acrossDays", tdaf.getAcrossDays());
             form.setAttribute("methodToCall", tdaf.getMethodToCall());
             //form.setAttribute("principalId", tdaf.getPrincipalId());
         }
 
         return errors;
     }
 
     /**
      * This is a 'hacker' method to get around the fact that in HtmlUnit you
      * can no longer directly submit forms if there are no buttons. We
      * simply add a button to the form, and click it!
      *
      * @param page The HtmlPage the form came from.
      * @param form The HtmlForm you wish to submit.
      * @return The return results from clicking .submit()
      */
     private static HtmlPage submitTimeDetailsDep(HtmlPage page, HtmlForm form) {
         HtmlButton submitButton = null;
 
         //ScriptResult sr = page.executeJavaScript("document.forms[\"TimeDetailActionForm\"].submit();");
 
         if (submitButton == null) {
             submitButton = (HtmlButton)page.createElement("button");
             submitButton.setAttribute("type", "submit");
             form.appendChild(submitButton);
         }
 
         HtmlPage newPage = null;
         try {
             submitButton.click();
         } catch (Exception e) {
             LOG.error("While submitting time detail form", e);
         }
 
         return newPage;
     }
 
 
     /**
      * A method to wrap the submission of the time details.
      * @param baseUrl
      * @param tdaf
      * @return
      */
     public static HtmlPage submitTimeDetails(WebClient webClient, String baseUrl, TimeDetailActionFormBase tdaf) {
         // For now, until a more HtmlUnit based click method can be found
         // workable, we're building a url-encoded string to directly
         // post to the servlet.
 
         String url = baseUrl + buildPostFromFormParams(tdaf);
         HtmlPage page = null;
 
         try {
             page = HtmlUnitUtil.gotoPageAndLogin(webClient, url);
         } catch (Exception e) {
             LOG.error("Error while submitting form", e);
         }
 
         return page;
     }
 
     /**
      * A method to wrap the submission of the time details.
      * @param baseUrl
      * @param tdaf
      * @return
      */
     public static HtmlPage submitTimeDetails(WebClient webClient, String principalId, String baseUrl, TimeDetailActionFormBase tdaf) {
         // For now, until a more HtmlUnit based click method can be found
         // workable, we're building a url-encoded string to directly
         // post to the servlet.
 
         String url = baseUrl + buildPostFromFormParams(tdaf);
         HtmlPage page = null;
 
         try {
             TestAutoLoginFilter.OVERRIDE_ID = principalId;
             page = HtmlUnitUtil.gotoPageAndLogin(webClient, url);
             TestAutoLoginFilter.OVERRIDE_ID = "";
         } catch (Exception e) {
             LOG.error("Error while submitting form", e);
         }
 
         return page;
     }
 
     private static String buildPostFromFormParams(TimeDetailActionFormBase tdaf) {
         StringBuilder builder = new StringBuilder();
 
         try {
             builder.append("&methodToCall=").append(URLEncoder.encode(tdaf.getMethodToCall(), "UTF-8"));
             builder.append("&acrossDays=").append(URLEncoder.encode(tdaf.getAcrossDays(), "UTF-8"));
             if (tdaf.getAmount() != null) {
                 builder.append("&amount=").append(URLEncoder.encode(tdaf.getAmount().toString(), "UTF-8"));
             } else {
                 builder.append("&hours=").append(URLEncoder.encode(tdaf.getHours().toString(), "UTF-8"));
                 builder.append("&startTime=").append(URLEncoder.encode(tdaf.getStartTime(), "UTF-8"));
                 builder.append("&endTime=").append(URLEncoder.encode(tdaf.getEndTime(), "UTF-8"));
             }
             builder.append("&startDate=").append(URLEncoder.encode(tdaf.getStartDate(), "UTF-8"));
             builder.append("&endDate=").append(URLEncoder.encode(tdaf.getEndDate(), "UTF-8"));
             builder.append("&selectedAssignment=").append(URLEncoder.encode(tdaf.getSelectedAssignment(), "UTF-8"));
             builder.append("&selectedEarnCode=").append(URLEncoder.encode(tdaf.getSelectedEarnCode(), "UTF-8"));
             //builder.append("&principalId=").append(URLEncoder.encode(tdaf.getPrincipalId(), "UTF-8"));
             if (tdaf.getTkTimeBlockId() != null) {
                 builder.append("&tkTimeBlockId=").append(URLEncoder.encode(tdaf.getTkTimeBlockId().toString(), "UTF-8"));
             }
         } catch (Exception e) {
             LOG.error("Exception building Post String", e);
         }
 
         return builder.toString();
     }
 }