package net.sourceforge.fenixedu.predicates;

import net.sourceforge.fenixedu.domain.ExecutionCourse;
import net.sourceforge.fenixedu.domain.Lesson;
import net.sourceforge.fenixedu.domain.LessonInstance;
import net.sourceforge.fenixedu.domain.Person;
import net.sourceforge.fenixedu.domain.PunctualRoomsOccupationComment;
import net.sourceforge.fenixedu.domain.PunctualRoomsOccupationRequest;
import net.sourceforge.fenixedu.domain.PunctualRoomsOccupationStateInstant;
import net.sourceforge.fenixedu.domain.ResourceAllocationRole;
import net.sourceforge.fenixedu.domain.SchoolClass;
import net.sourceforge.fenixedu.domain.Shift;
import net.sourceforge.fenixedu.domain.person.RoleType;
import net.sourceforge.fenixedu.injectionCode.AccessControl;
import net.sourceforge.fenixedu.injectionCode.AccessControlPredicate;

public class ResourceAllocationRolePredicates {

    // Lesson Predicates

    public static final AccessControlPredicate<Lesson> checkPermissionsToManageLessons = new AccessControlPredicate<Lesson>() {
	public boolean evaluate(Lesson lesson) {
	    ResourceAllocationRole.checkIfPersonHasPermissionToManageSchedulesAllocation(AccessControl.getPerson());
	    return true;
	}
    };

    // Shift Predicates

    public static final AccessControlPredicate<Shift> checkPermissionsToManageShifts = new AccessControlPredicate<Shift>() {
	public boolean evaluate(Shift shift) {
	    ResourceAllocationRole.checkIfPersonHasPermissionToManageSchedulesAllocation(AccessControl.getPerson());
	    return true;
	}
    };

    // SchoolClass Predicates

    public static final AccessControlPredicate<SchoolClass> checkPermissionsToManageSchoolClass = new AccessControlPredicate<SchoolClass>() {
	public boolean evaluate(SchoolClass schoolClass) {
	    ResourceAllocationRole.checkIfPersonHasPermissionToManageSchedulesAllocation(AccessControl.getPerson());
	    return true;
	}
    };

    // Lesson Instance Predicates

    public static final AccessControlPredicate<LessonInstance> checkPermissionsToManageLessonInstances = new AccessControlPredicate<LessonInstance>() {
	public boolean evaluate(LessonInstance lessonInstance) {
	    ResourceAllocationRole.checkIfPersonHasPermissionToManageSchedulesAllocation(AccessControl.getPerson());
	    return true;
	}
    };

    public static final AccessControlPredicate<LessonInstance> checkPermissionsToManageLessonInstancesWithTeacherCheck = new AccessControlPredicate<LessonInstance>() {
	public boolean evaluate(LessonInstance lessonInstance) {

	    Person loggedPerson = AccessControl.getPerson();

	    if (loggedPerson.hasRole(RoleType.DEPARTMENT_ADMINISTRATIVE_OFFICE)) {
		return true;
	    }

	    ExecutionCourse executionCourse = lessonInstance.getLesson().getExecutionCourse();
	    if (loggedPerson.hasTeacher() && loggedPerson.hasRole(RoleType.TEACHER)
		    && loggedPerson.getTeacher().hasProfessorshipForExecutionCourse(executionCourse)) {
		return true;
	    }

	    if (!loggedPerson.hasTeacher() && loggedPerson.getProfessorships().size() > 0
		    && loggedPerson.hasProfessorshipForExecutionCourse(executionCourse)) {
		return true;
	    }

	    ResourceAllocationRole.checkIfPersonHasPermissionToManageSchedulesAllocation(loggedPerson);
	    return true;
	}
    };

    // Punctual Rooms Occupation Management Predicates

    public static final AccessControlPredicate<PunctualRoomsOccupationRequest> checkPermissionsToManagePunctualRoomsOccupationRequests = new AccessControlPredicate<PunctualRoomsOccupationRequest>() {
	public boolean evaluate(PunctualRoomsOccupationRequest request) {

	    Person loggedPerson = AccessControl.getPerson();

	    if (loggedPerson.hasRole(RoleType.TEACHER) || loggedPerson.hasAnyProfessorships()) {
		return true;
	    }

	    ResourceAllocationRole.checkIfPersonHasPermissionToManageSchedulesAllocation(loggedPerson);
	    return true;
	}
    };

    public static final AccessControlPredicate<PunctualRoomsOccupationComment> checkPermissionsToManagePunctualRoomsOccupationComments = new AccessControlPredicate<PunctualRoomsOccupationComment>() {
	public boolean evaluate(PunctualRoomsOccupationComment comment) {
	    return checkPermissionsToManagePunctualRoomsOccupationRequests.evaluate(comment.getRequest());
	}
    };

    public static final AccessControlPredicate<PunctualRoomsOccupationStateInstant> checkPermissionsToManagePunctualRoomsOccupationStateInstants = new AccessControlPredicate<PunctualRoomsOccupationStateInstant>() {
	public boolean evaluate(PunctualRoomsOccupationStateInstant stateInstant) {
	    return checkPermissionsToManagePunctualRoomsOccupationRequests.evaluate(stateInstant.getRequest());
	}
    };

    // Resource Allocation Access Groups Predicates

    public static final AccessControlPredicate<ResourceAllocationRole> checkPermissionsToManageAccessGroups = new AccessControlPredicate<ResourceAllocationRole>() {
	public boolean evaluate(ResourceAllocationRole role) {
	    ResourceAllocationRole.checkIfPersonIsResourceAllocationSuperUser(AccessControl.getPerson());
	    return true;
	}
    };
}