import datetime

from factory import alchemy, Sequence
from factory.faker import Faker
from factory.fuzzy import FuzzyInteger, FuzzyDateTime

from app.dependencies import db
from app.students.models import Student, Group, YearGroupStudents
from app.project_supervisor.models import ProjectSupervisor, YearGroupProjectSupervisors
from app.examination_schedule.models import ExaminationSchedule


class ProjectSupervisorFactory(alchemy.SQLAlchemyModelFactory):
    class Meta:
        model = ProjectSupervisor
        sqlalchemy_session = db.session

    first_name = Faker('first_name')
    last_name = Faker('last_name')
    email = Faker('email')


class YearGroupProjectSupervisorsFactory(alchemy.SQLAlchemyModelFactory):
    class Meta:
        model = YearGroupProjectSupervisors
        sqlalchemy_session = db.session

    limit_group = 4


class GroupFactory(alchemy.SQLAlchemyModelFactory):
    class Meta:
        model = Group
        sqlalchemy_session = db.session

    name = Sequence(lambda n: f'Group-{n}')
    points_for_first_term = FuzzyInteger(1, 5)
    points_for_second_term = FuzzyInteger(1, 5)


class StudentFactory(alchemy.SQLAlchemyModelFactory):
    class Meta:
        model = Student
        sqlalchemy_session = db.session

    first_name = Faker('first_name')
    last_name = Faker('last_name')
    email = Faker('email')
    index = Sequence(lambda n: 400_000 + n)


class YearGroupStudentsFactory(alchemy.SQLAlchemyModelFactory):
    class Meta:
        model = YearGroupStudents
        sqlalchemy_session = db.session


class ExaminationScheduleFactory(alchemy.SQLAlchemyModelFactory):
    class Meta:
        model = ExaminationSchedule
        sqlalchemy_session = db.session

    title = Sequence(lambda n: f'Examination schedule {n}')
    duration_time = 30
    start_date = FuzzyDateTime(datetime.datetime(2020, 1, 1, tzinfo=datetime.timezone.utc),
                               datetime.datetime(2020, 1, 5, tzinfo=datetime.timezone.utc))
    end_date = FuzzyDateTime(datetime.datetime(2020, 1, 10, tzinfo=datetime.timezone.utc),
                             datetime.datetime(2020, 1, 20, tzinfo=datetime.timezone.utc))