package net.sourceforge.fenixedu.dataTransferObject;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Predicate;

/**
 * 
 * @author - Shezad Anavarali (shezad@ist.utl.pt)
 * 
 */
public class CurricularCourseScopesForPrintDTO extends DataTranferObject {

    private List<DegreeCurricularPlanForPrintDTO> degreeCurricularPlans;

    public CurricularCourseScopesForPrintDTO() {
	super();
	degreeCurricularPlans = new ArrayList<DegreeCurricularPlanForPrintDTO>();
    }

    public void add(final InfoCurricularCourseScope scope) {

	DegreeCurricularPlanForPrintDTO selectedCurricularPlan = getSelectedCurricularPlan(scope);

	CurricularYearForPrintDTO selectedCurricularYear = getSelectedCurricularYear(scope, selectedCurricularPlan);

	BranchForPrintDTO selectedBranch = getSelectedBranch(scope, selectedCurricularYear);

	CurricularSemesterForPrintDTO selectedSemester = getSelectedSemester(scope, selectedBranch);

	addScope(scope, selectedSemester);

    }

    private void addScope(final InfoCurricularCourseScope scope, CurricularSemesterForPrintDTO selectedSemester) {
	selectedSemester.getScopes().add(scope);
	sortScopes(selectedSemester.getScopes());
    }

    private static Comparator<InfoCurricularCourseScope> COMPARATOR_BY_ANOTATION_AND_CURRICULAR_COURSE_NAME = new Comparator<InfoCurricularCourseScope>() {
	public int compare(InfoCurricularCourseScope o1, InfoCurricularCourseScope o2) {
	    if (o1.getAnotation() == null) {
		return -1; // o1 is less than o2
	    }
	    if (o2.getAnotation() == null) {
		return 1; // o1 is greater than o2
	    }
	    int result = o1.getAnotation().compareTo(o2.getAnotation());
	    return (result == 0) ? o1.getInfoCurricularCourse().getName().compareTo(o2.getInfoCurricularCourse().getName())
		    : result;
	}
    };

    private void sortScopes(List<InfoCurricularCourseScope> scopes) {
	Collections.sort(scopes, COMPARATOR_BY_ANOTATION_AND_CURRICULAR_COURSE_NAME);
    }

    private CurricularSemesterForPrintDTO getSelectedSemester(final InfoCurricularCourseScope scope,
	    BranchForPrintDTO selectedBranch) {
	CurricularSemesterForPrintDTO selectedSemester = (CurricularSemesterForPrintDTO) CollectionUtils.find(selectedBranch
		.getSemesters(), new Predicate() {

	    public boolean evaluate(Object arg0) {
		CurricularSemesterForPrintDTO curricularSemesterForPrintDTO = (CurricularSemesterForPrintDTO) arg0;
		if (curricularSemesterForPrintDTO.getSemester().equals(scope.getInfoCurricularSemester().getSemester())) {
		    return true;
		}
		return false;
	    }

	});
	if (selectedSemester == null) {
	    selectedSemester = new CurricularSemesterForPrintDTO(scope.getInfoCurricularSemester().getSemester());
	    selectedBranch.getSemesters().add(selectedSemester);
	}

	return selectedSemester;
    }

    private BranchForPrintDTO getSelectedBranch(final InfoCurricularCourseScope scope,
	    CurricularYearForPrintDTO selectedCurricularYear) {
	BranchForPrintDTO selectedBranch = (BranchForPrintDTO) CollectionUtils.find(selectedCurricularYear.getBranches(),
		new Predicate() {

		    public boolean evaluate(Object arg0) {
			BranchForPrintDTO branchForPrintDTO = (BranchForPrintDTO) arg0;
			if (branchForPrintDTO.getName().equals(scope.getInfoBranch().getName())) {
			    return true;
			}

			return false;
		    }

		});

	if (selectedBranch == null) {
	    selectedBranch = new BranchForPrintDTO(scope.getInfoBranch().getName());
	    selectedCurricularYear.getBranches().add(selectedBranch);

	}

	return selectedBranch;
    }

    private CurricularYearForPrintDTO getSelectedCurricularYear(final InfoCurricularCourseScope scope,
	    DegreeCurricularPlanForPrintDTO selectedCurricularPlan) {
	CurricularYearForPrintDTO selectedCurricularYear = (CurricularYearForPrintDTO) CollectionUtils.find(
		selectedCurricularPlan.getYears(), new Predicate() {

		    public boolean evaluate(Object arg0) {
			CurricularYearForPrintDTO curricularYearForPrintDTO = (CurricularYearForPrintDTO) arg0;
			if (curricularYearForPrintDTO.getYear().equals(
				scope.getInfoCurricularSemester().getInfoCurricularYear().getYear())) {
			    return true;
			}

			return false;
		    }

		});
	if (selectedCurricularYear == null) {
	    selectedCurricularYear = new CurricularYearForPrintDTO(scope.getInfoCurricularSemester().getInfoCurricularYear()
		    .getYear());
	    selectedCurricularPlan.getYears().add(selectedCurricularYear);

	}

	return selectedCurricularYear;
    }

    private DegreeCurricularPlanForPrintDTO getSelectedCurricularPlan(final InfoCurricularCourseScope scope) {
	DegreeCurricularPlanForPrintDTO selectedCurricularPlan = (DegreeCurricularPlanForPrintDTO) CollectionUtils.find(
		getDegreeCurricularPlans(), new Predicate() {

		    public boolean evaluate(Object arg0) {
			DegreeCurricularPlanForPrintDTO degreeCurricularPlanForPrintDTO = (DegreeCurricularPlanForPrintDTO) arg0;
			if (degreeCurricularPlanForPrintDTO.name.equals(scope.getInfoCurricularCourse()
				.getInfoDegreeCurricularPlan().getName())) {
			    return true;
			}

			return false;
		    }
		});

	if (selectedCurricularPlan == null) {
	    InfoDegreeCurricularPlan degreeCurricularPlan = scope.getInfoCurricularCourse().getInfoDegreeCurricularPlan();
	    selectedCurricularPlan = new DegreeCurricularPlanForPrintDTO(degreeCurricularPlan.getName(), degreeCurricularPlan
		    .getInfoDegree().getNome(), degreeCurricularPlan.getAnotation());
	    this.getDegreeCurricularPlans().add(selectedCurricularPlan);
	}

	return selectedCurricularPlan;
    }

    public class DegreeCurricularPlanForPrintDTO extends DataTranferObject {

	private String name;

	private String degreeName;

	private String anotation;

	private List<CurricularYearForPrintDTO> years;

	public DegreeCurricularPlanForPrintDTO(String name, String degreeName, String anotation) {
	    super();

	    this.years = new ArrayList<CurricularYearForPrintDTO>();
	    this.name = name;
	    this.degreeName = degreeName;
	    this.anotation = anotation;
	}

	public String getName() {
	    return name;
	}

	public void setName(String name) {
	    this.name = name;
	}

	public List<CurricularYearForPrintDTO> getYears() {
	    return years;
	}

	public void setYears(List<CurricularYearForPrintDTO> years) {
	    this.years = years;
	}

	public String getAnotation() {
	    return anotation;
	}

	public void setAnotation(String anotation) {
	    this.anotation = anotation;
	}

	public String getDegreeName() {
	    return degreeName;
	}

	public void setDegreeName(String degreeName) {
	    this.degreeName = degreeName;
	}

    }

    public class CurricularYearForPrintDTO extends DataTranferObject {

	private Integer year;

	private List<BranchForPrintDTO> branches;

	public CurricularYearForPrintDTO(Integer year) {
	    super();

	    this.branches = new ArrayList<BranchForPrintDTO>();
	    this.year = year;
	}

	public List<BranchForPrintDTO> getBranches() {
	    return branches;
	}

	public void setBranches(List<BranchForPrintDTO> branches) {
	    this.branches = branches;
	}

	public Integer getYear() {
	    return year;
	}

	public void setYear(Integer year) {
	    this.year = year;
	}

    }

    public class BranchForPrintDTO extends DataTranferObject {

	private String name;

	private List<CurricularSemesterForPrintDTO> semesters;

	public BranchForPrintDTO(String name) {
	    super();

	    this.semesters = new ArrayList<CurricularSemesterForPrintDTO>();
	    this.name = name;
	}

	public String getName() {
	    return name;
	}

	public void setName(String name) {
	    this.name = name;
	}

	public List<CurricularSemesterForPrintDTO> getSemesters() {
	    return semesters;
	}

	public void setSemesters(List<CurricularSemesterForPrintDTO> semester) {
	    this.semesters = semester;
	}

    }

    public class CurricularSemesterForPrintDTO extends DataTranferObject {

	private Integer semester;

	private List<InfoCurricularCourseScope> scopes;

	public CurricularSemesterForPrintDTO(Integer semester) {
	    super();

	    this.scopes = new ArrayList<InfoCurricularCourseScope>();
	    this.semester = semester;
	}

	public void add(InfoCurricularCourseScope scope) {
	    getScopes().add(scope);

	}

	public List<InfoCurricularCourseScope> getScopes() {
	    return scopes;
	}

	public void setScopes(List<InfoCurricularCourseScope> scopes) {
	    this.scopes = scopes;
	}

	public Integer getSemester() {
	    return semester;
	}

	public void setSemester(Integer semester) {
	    this.semester = semester;
	}

    }

    public List<DegreeCurricularPlanForPrintDTO> getDegreeCurricularPlans() {
	return degreeCurricularPlans;
    }

    public void setDegreeCurricularPlans(List<DegreeCurricularPlanForPrintDTO> degreeCurricularPlans) {
	this.degreeCurricularPlans = degreeCurricularPlans;
    }

}