import datetime

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

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


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),
    )