from datetime import datetime

from flask_sqlalchemy import BaseQuery

from ..base.models import Base, Person
from ..base.utils import order_by_column_name
from ..dependencies import db
from ..examination_schedule.models import TermOfDefence


class YearGroup(Base):
    __tablename__ = "year_groups"

    name = db.Column(db.String(50), nullable=False)
    mode = db.Column(db.String(1), nullable=False)
    created_at = db.Column(db.DateTime, nullable=False, default=datetime.utcnow)

    __table__args = db.UniqueConstraint("name", "mode", name="uc_name_mode_year_group")


students_groups = db.Table(
    "students_groups",
    db.Column("group_id", db.ForeignKey("groups.id"), nullable=False),
    db.Column("student_id", db.ForeignKey("students.id"), nullable=False),
)


class Group(Base):
    __tablename__ = "groups"

    name = db.Column(db.String(60), nullable=False)
    cdyd_kod = db.Column(db.String(60), default="2022/SZ")
    prz_kod = db.Column(db.String(60), default="06-DPRILI0")
    tzaj_kod = db.Column(db.String(60), default="LAB")
    project_supervisor_id = db.Column(
        db.Integer, db.ForeignKey("project_supervisors.id")
    )
    project_supervisor = db.relationship("ProjectSupervisor", backref="groups")
    year_group_id = db.Column(db.Integer, db.ForeignKey("year_groups.id"))
    year_group = db.relationship("YearGroup", backref="groups", lazy="joined")
    points_for_first_term = db.Column(db.Float, default=0, nullable=False)
    points_for_second_term = db.Column(db.Float, default=0, nullable=False)
    grade_for_first_term = db.Column(db.Float, default=0, nullable=False)
    grade_for_second_term = db.Column(db.Float, default=0, nullable=False)
    students = db.relationship(
        "Student", secondary=students_groups, back_populates="groups"
    )

    @classmethod
    def search_by_name(cls, year_group_id: int, search_name: str = None) -> BaseQuery:
        group_query = cls.query.filter(Group.year_group_id == year_group_id)

        if search_name is not None:
            group_query = group_query.filter(Group.name.like(f"{search_name}%"))

        return group_query


class ProjectGradeSheet(Base):
    __tablename__ = "project_grade_sheets"

    group_id = db.Column(db.Integer, db.ForeignKey("groups.id"))
    group = db.relationship("Group", backref="project_grade_sheet", uselist=False)

    presentation_required_content_1 = db.Column(db.Integer, default=0)
    presentation_required_content_2 = db.Column(db.Integer, default=0)
    presentation_was_compatible_1 = db.Column(db.Integer, default=0)
    presentation_was_compatible_2 = db.Column(db.Integer, default=0)
    presentation_showing_1 = db.Column(db.Integer, default=0)
    presentation_showing_2 = db.Column(db.Integer, default=0)
    presentation_answers_to_questions_from_committee_1 = db.Column(
        db.Integer, default=0
    )
    presentation_answers_to_questions_from_committee_2 = db.Column(
        db.Integer, default=0
    )

    documentation_project_vision_1 = db.Column(db.Integer, default=0)
    documentation_project_vision_2 = db.Column(db.Integer, default=0)
    documentation_requirements_1 = db.Column(db.Integer, default=0)
    documentation_requirements_2 = db.Column(db.Integer, default=0)
    documentation_for_clients_1 = db.Column(db.Integer, default=0)
    documentation_for_clients_2 = db.Column(db.Integer, default=0)
    documentation_for_developers_1 = db.Column(db.Integer, default=0)
    documentation_for_developers_2 = db.Column(db.Integer, default=0)
    documentation_license_1 = db.Column(db.Integer, default=0)
    documentation_license_2 = db.Column(db.Integer, default=0)

    group_work_regularity_1 = db.Column(db.Integer, default=0)
    group_work_regularity_2 = db.Column(db.Integer, default=0)
    group_work_division_of_work_1 = db.Column(db.Integer, default=0)
    group_work_division_of_work_2 = db.Column(db.Integer, default=0)
    group_work_contact_with_client_1 = db.Column(db.Integer, default=0)
    group_work_contact_with_client_2 = db.Column(db.Integer, default=0)
    group_work_management_of_risk_1 = db.Column(db.Integer, default=0)
    group_work_management_of_risk_2 = db.Column(db.Integer, default=0)
    group_work_work_methodology_1 = db.Column(db.Integer, default=0)
    group_work_work_methodology_2 = db.Column(db.Integer, default=0)
    group_work_management_of_source_code_1 = db.Column(db.Integer, default=0)
    group_work_management_of_source_code_2 = db.Column(db.Integer, default=0)
    group_work_devops_1 = db.Column(db.Integer, default=0)
    group_work_devops_2 = db.Column(db.Integer, default=0)

    products_project_complexity_of_product_1 = db.Column(db.Integer, default=0)
    products_project_complexity_of_product_2 = db.Column(db.Integer, default=0)
    products_project_access_to_application_1 = db.Column(db.Integer, default=0)
    products_project_access_to_application_2 = db.Column(db.Integer, default=0)
    products_project_security_issues_1 = db.Column(db.Integer, default=0)
    products_project_security_issues_2 = db.Column(db.Integer, default=0)
    products_project_access_to_test_application_1 = db.Column(db.Integer, default=0)
    products_project_access_to_test_application_2 = db.Column(db.Integer, default=0)
    products_project_acceptance_criteria_1 = db.Column(db.Integer, default=0)
    products_project_acceptance_criteria_2 = db.Column(db.Integer, default=0)
    products_project_expected_functionality_1 = db.Column(db.Integer, default=0)
    products_project_expected_functionality_2 = db.Column(db.Integer, default=0)
    products_project_promises_well_1 = db.Column(db.Integer, default=0)
    products_project_promises_well_2 = db.Column(db.Integer, default=0)
    products_project_has_been_implemented_1 = db.Column(db.Integer, default=0)
    products_project_has_been_implemented_2 = db.Column(db.Integer, default=0)
    products_project_is_useful_1 = db.Column(db.Integer, default=0)
    products_project_is_useful_2 = db.Column(db.Integer, default=0)
    products_project_prototype_1 = db.Column(db.Integer, default=0)
    products_project_prototype_2 = db.Column(db.Integer, default=0)
    products_project_tests_1 = db.Column(db.Integer, default=0)
    products_project_tests_2 = db.Column(db.Integer, default=0)
    products_project_technology_1 = db.Column(db.Integer, default=0)
    products_project_technology_2 = db.Column(db.Integer, default=0)


class Student(Base, Person):
    __tablename__ = "students"

    index = db.Column(db.Integer, nullable=False)
    groups = db.relationship(
        "Group", secondary=students_groups, back_populates="students"
    )
    year_group_id = db.Column(db.Integer, db.ForeignKey("year_groups.id"))
    year_group = db.relationship("YearGroup", backref="students")

    __table__args = db.UniqueConstraint(
        "index", "year_group_id", name="uc_index_year_group_id"
    )

    @classmethod
    def search_by_fullname_and_mode_and_order_by_first_name_or_last_name(
        cls,
        year_group_id: int,
        fullname: str = None,
        order_by_first_name: str = None,
        order_by_last_name: str = None,
    ) -> BaseQuery:
        student_query = cls.query.filter(Student.year_group_id == year_group_id)

        if fullname is not None:
            student_query = student_query.filter(
                (Student.first_name + " " + Student.last_name).like(f"{fullname}%")
            )

        student_query = order_by_column_name(
            student_query, Student.first_name, order_by_first_name
        )
        student_query = order_by_column_name(
            student_query, Student.last_name, order_by_last_name
        )

        return student_query