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 package org.kuali.student.process.poc;

 import java.util.Arrays;

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

 import org.kuali.student.r2.common.exceptions.DoesNotExistException;

 import org.kuali.student.r2.common.util.RichTextHelper;

 import org.kuali.student.r2.common.util.constants.ProcessServiceConstants;

 import org.kuali.student.r2.core.process.dto.CheckInfo;

 import org.kuali.student.r2.core.process.dto.InstructionInfo;

 import org.kuali.student.r2.core.process.dto.ProcessInfo;

 import org.kuali.student.r2.core.process.service.ProcessService;

 import org.kuali.student.r2.core.process.service.ProcessServiceDecorator;

 /**

  *

  * @author nwright

  */

 public class ProcessPocProcessServiceDecorator extends ProcessServiceDecorator {

     public ProcessPocProcessServiceDecorator(ProcessService nextDecorator) {

         super();

         this.setNextDecorator(nextDecorator);

         initializeData();

     }

     private boolean isInitalized() {

         ContextInfo context = new ContextInfo();

         context.setPrincipalId("POC-Initializer");

         try {

             ProcessInfo info = this.getNextDecorator().getProcess(ProcessServiceConstants.PROCESS_KEY_BASIC_ELIGIBILITY, context);

         } catch (DoesNotExistException ex) {

             return false;

         } catch (Exception ex) {

             throw new RuntimeException(ex);

         }

         return true;

     }

     private void initializeData() {

         if (isInitalized()) {

             return;

         }

         ContextInfo context = new ContextInfo();

         context.setPrincipalId("POC-Initializer");

         _createProcess(ProcessServiceConstants.PROCESS_KEY_BASIC_ELIGIBILITY, "Basic Eligibility", "The process of checking a student's basic eligibility to register for courses.", context);

         _createProcess(ProcessServiceConstants.PROCESS_KEY_ELIGIBILITY_FOR_TERM, "Eligibility for Term", "The process of checking a student's eligibility to register for a particular term.", context);

         _createProcess(ProcessServiceConstants.PROCESS_KEY_HOLDS_CLEARED, "Holds Cleared", "The process of checking a student's eligibility to register for a particular term.", context);

         _createProcess(ProcessServiceConstants.PROCESS_KEY_ELIGIBLE_FOR_COURSE, "Eligible for Course", "The process of checking a student's eligibility to register for a particular course.", context);

         _createProcess(ProcessServiceConstants.PROCESS_KEY_ELIGIBLE_FOR_COURSES, "Eligible for Courses", "The process of checking a student's eligibility and ability to register for a proposed set of courses.", context);

         _createProcess(ProcessServiceConstants.PROCESS_KEY_REGISTER_FOR_COURSES, "Register for Courses", "The process of checking a student's eligibility and actually register for a proposed set of courses.", context);

         _createCheck(ProcessServiceConstants.CHECK_KEY_IS_ALIVE, ProcessServiceConstants.DIRECT_RULE_CHECK_TYPE_KEY, "", "", "kuali.agenda.is.alive", "", "is alive", "Checks if student is actually alive", context);

         _createCheck(ProcessServiceConstants.CHECK_KEY_HAS_OVERDUE_LIBRARY_BOOK, ProcessServiceConstants.HOLD_CHECK_TYPE_KEY, "kuali.hold.issue.library.book.overdue", "", "", "", "has overdue library book", "Checks if student has an overdue library book", context);

         _createCheck(ProcessServiceConstants.CHECK_KEY_HAS_NOT_PAID_BILL_FROM_PRIOR_TERM, ProcessServiceConstants.HOLD_CHECK_TYPE_KEY, "kuali.hold.issue.financial.unpaid.tuition.prior.term", "", "", "", "has not paid bill from prior term", "Checks if student has an unpaid bill from a prior term", context);

         _createCheck(ProcessServiceConstants.CHECK_KEY_STUDENT_HAS_BASIC_ELIGIBILITY, ProcessServiceConstants.PROCESS_CHECK_TYPE_KEY, "", "", "", "kuali.process.registration.basic.eligibility", "student has basic eligibility", "Checks all the checks defined in the basic eligibility process", context);

         _createCheck(ProcessServiceConstants.CHECK_KEY_REGISTRATION_PERIOD_IS_OPEN, ProcessServiceConstants.START_DATE_CHECK_TYPE_KEY, "", "kuali.atp.milestone.RegistrationPeriod", "", "", "registration period is open", "Checks that the registration period is open", context);

         _createCheck(ProcessServiceConstants.CHECK_KEY_REGISTRATION_PERIOD_IS_NOT_CLOSED, ProcessServiceConstants.DEADLINE_CHECK_TYPE_KEY, "", "kuali.atp.milestone.RegistrationPeriod", "", "", "registration period is not closed", "Checks that the registration period is not yet closed", context);

         _createCheck(ProcessServiceConstants.CHECK_KEY_REGISTRATION_HOLDS_CLEARED, ProcessServiceConstants.PROCESS_CHECK_TYPE_KEY, "", "", "", "kuali.process.registration.holds.cleared", "Registration Holds Cleared", "Checks that the checks in the registration holds process", context);

         _createCheck(ProcessServiceConstants.CHECK_KEY_IS_NOT_SUMMER_TERM, ProcessServiceConstants.DIRECT_RULE_CHECK_TYPE_KEY, "", "", "kuali.agenda.is.not.summer.term", "", "is not Summer Term", "Checks that this is not the summer term", context);

         _createCheck(ProcessServiceConstants.CHECK_KEY_ELIGIBILITY_FOR_TERM, ProcessServiceConstants.PROCESS_CHECK_TYPE_KEY, "", "", "", "kuali.process.registration.eligibility.for.term", "Eligibility for Term", "Checks all the checks that the student is eligible for the term", context);

         _createCheck(ProcessServiceConstants.CHECK_KEY_HAS_THE_NECESSARY_PREREQ, ProcessServiceConstants.INDIRECT_RULE_CHECK_TYPE_KEY, "", "", "", "", "Has the necessary pre-req", "Checks that the student has all the necessary pee-requisites to take the course", context);

         _createCheck(ProcessServiceConstants.CHECK_KEY_STUDENT_HAS_ELIGIBILITY_FOR_EACH_COURSE, ProcessServiceConstants.PROCESS_CHECK_TYPE_KEY, "", "", "", "kuali.process.registration.eligible.for.course", "student has eligibility for each course", "Checks all the checks that make sure the student is eligible for a particular course but does it for all the courses in the proposed set of courses", context);

         _createCheck(ProcessServiceConstants.CHECK_KEY_DOES_NOT_EXCEED_CREDIT_LIMIT, ProcessServiceConstants.MAXIMUM_VALUE_CHECK_TYPE_KEY, "", "", "", "", "does not exceed credit limit", "Checks that the student has not exceeded her credit limit", context);

         _createInstruction(ProcessServiceConstants.PROCESS_KEY_BASIC_ELIGIBILITY, "kuali.population.everyone", "kuali.check.is.alive", "A key piece of data is wrong on your biographic record.  Please come to the Registrar's office to clear it up.", 1, false, false, false, context);

         _createInstruction(ProcessServiceConstants.PROCESS_KEY_HOLDS_CLEARED, "kuali.population.everyone", "kuali.check.has.overdue.library.book", "Please note: you have an overdue library book", 3, true, true, true, context);

         _createInstruction(ProcessServiceConstants.PROCESS_KEY_HOLDS_CLEARED, "kuali.population.everyone", "kuali.check.has.not.paid.bill.from.prior.term", "You have unpaid tuition charges from last term, please contact the bursars office to resolve this matter", 5, false, true, true, context);

         _createInstruction(ProcessServiceConstants.PROCESS_KEY_ELIGIBILITY_FOR_TERM, "kuali.population.everyone", "kuali.check.student.has.basic.eligibility", "Something about you as a person or your relationship with this institution needs to be fixed", 1, false, false, false, context);

         _createInstruction(ProcessServiceConstants.PROCESS_KEY_ELIGIBILITY_FOR_TERM, "kuali.population.everyone", "kuali.check.registration.period.is.open", "Registration period for this term has not yet begun", 3, false, true, true, context);

         _createInstruction(ProcessServiceConstants.PROCESS_KEY_ELIGIBILITY_FOR_TERM, "kuali.population.everyone", "kuali.check.registration.period.is.not.closed", "Registration period for this term is closed", 4, false, true, true, context);

         _createInstruction(ProcessServiceConstants.PROCESS_KEY_ELIGIBILITY_FOR_TERM, "kuali.population.everyone", "kuali.check.registration.holds.cleared", "You have one or more holds that need to be cleared", 5, false, true, true, context);

         _createInstruction(ProcessServiceConstants.PROCESS_KEY_ELIGIBILITY_FOR_TERM, "kuali.population.summer.only.student", "kuali.check.is.not.summer.term", "Summer only students cannot register for fall, winter or spring terms", 9, false, true, true, context);

         _createInstruction(ProcessServiceConstants.PROCESS_KEY_ELIGIBLE_FOR_COURSE, "kuali.population.everyone", "kuali.check.eligibility.for.term", "", 1, false, false, true, context);

         _createInstruction(ProcessServiceConstants.PROCESS_KEY_ELIGIBLE_FOR_COURSE, "kuali.population.everyone", "kuali.check.has.the.necessary.prereq", "", 2, false, true, true, context);

         _createInstruction(ProcessServiceConstants.PROCESS_KEY_ELIGIBLE_FOR_COURSES, "kuali.population.everyone", "kuali.check.student.has.eligibility.for.each.course", "", 1, false, false, true, context);

         _createInstruction(ProcessServiceConstants.PROCESS_KEY_ELIGIBLE_FOR_COURSES, "kuali.population.everyone", "kuali.check.does.not.exceed.credit.limit", "You are exceeding your credit limit", 2, false, false, true, context);

     }

     private void _createInstruction(String processKey,

             String populationKey,

             String checkKey,

             String message,

             int position,

             boolean isWarning,

             boolean continueOnFail,

             boolean canBeExempted,

             ContextInfo context) {

         InstructionInfo info = new InstructionInfo();

         info.setTypeKey(ProcessServiceConstants.INSTRUCTION_TYPE_KEY);

         info.setStateKey(ProcessServiceConstants.INSTRUCTION_ENABLED_STATE_KEY);

         info.setProcessKey(processKey);

         info.setAppliedPopulationKeys(Arrays.asList(populationKey));

         info.setCheckKey(checkKey);

         info.setMessage(new RichTextHelper().fromPlain(message));

         info.setPosition(position);

         info.setContinueOnFail(continueOnFail);

         info.setIsWarning(isWarning);

         info.setIsExemptable(canBeExempted);

         try {

             info = this.createInstruction(info.getProcessKey(), info.getCheckKey(), info, context);

         } catch (Exception ex) {

             throw new RuntimeException("error creating exemption request", ex);

         }

     }

     private ProcessInfo _createProcess(String key, String name, String descr, ContextInfo context) {

         ProcessInfo info = new ProcessInfo();

         info.setKey(key);

         info.setTypeKey(ProcessServiceConstants.PROCESS_TYPE_KEY);

         info.setStateKey(ProcessServiceConstants.PROCESS_ENABLED_STATE_KEY);

         info.setName(name);

         info.setDescr(new RichTextHelper().fromPlain(descr));

         try {

             info = this.createProcess(info.getKey(), info, context);

         } catch (Exception ex) {

             throw new RuntimeException("error creating exemption request", ex);

         }

         return info;

     }

     private CheckInfo _createCheck(String key, String type, String issueKey, String milestoneTypeKey, String agendaId, String processKey, String name, String descr, ContextInfo context) {

         CheckInfo info = new CheckInfo();

         info.setKey(key);

         info.setTypeKey(type);

         info.setStateKey(ProcessServiceConstants.PROCESS_CHECK_STATE_ENABLED);

         info.setName(name);

         info.setIssueKey(_toNull(issueKey));

         info.setMilestoneTypeKey(_toNull(milestoneTypeKey));

         info.setAgendaId(_toNull(agendaId));

         info.setProcessKey(_toNull(processKey));

         info.setDescr(new RichTextHelper().fromPlain(descr));

         try {

             info = this.createCheck(key, info, context);

         } catch (Exception ex) {

             throw new RuntimeException("error creating exemption request", ex);

         }

         return info;

     }

     private String _toNull(String str) {

         if (str.isEmpty()) {

             return null;

         }

         return str;

     }

 }