from marshmallow import fields, validate, Schema


class ProjectSupervisorSchema(Schema):
    first_name = fields.Str()
    last_name = fields.Str()


class CommitteeSchema(Schema):
    members = fields.List(fields.Nested(ProjectSupervisorSchema))


class GroupSchema(Schema):
    name = fields.Str()


class EnrollmentSchema(Schema):
    start_date = fields.DateTime()
    end_date = fields.DateTime()
    committee = fields.Nested(CommitteeSchema)
    group = fields.Nested(GroupSchema)


class EnrollmentPaginationSchema(Schema):
    enrollments = fields.List(fields.Nested(EnrollmentSchema))
    max_pages = fields.Integer()


class EnrollmentQuerySchema(Schema):
    page = fields.Integer()
    per_page = fields.Integer()


class ExaminationScheduleSchema(Schema):
    id = fields.Integer()
    title = fields.Str()


class ExaminationScheduleListSchema(Schema):
    examination_schedules = fields.List(fields.Nested(ExaminationScheduleSchema))