from sqlmodel import Field, Relationship, SQLModel, Session, create_engine


class TeamBase(SQLModel):
    name: str = Field(index=True)
    headquarters: str


class Team(TeamBase, table=True):
    id: int | None = Field(default=None, primary_key=True)
    heroes: list["Hero"] = Relationship(back_populates="team")


class TeamCreate(TeamBase):
    pass


class TeamRead(TeamBase):
    name: str | None = None
    headquarters: str | None = None


class HeroBase(SQLModel):
    name: str = Field(index=True)
    secret_name: str
    age: int | None = Field(index=True, default=None)
    team_id: int | None = Field(default=None, foreign_key="team.id")


class Hero(HeroBase, table=True):
    id: int | None = Field(default=None, primary_key=True)
    hashed_password: str = Field()
    team: Team | None = Relationship(back_populates="heroes")


class HeroCreate(HeroBase):
    password: str


class HeroRead(HeroBase):
    id: int


class HeroUpdate(SQLModel):
    name: str | None = None
    secret_name: str | None = None
    age: int | None = None
    password: str | None = None
    team_id: int | None = None


class TeamReadWithHeroes(TeamRead):
    heroes: list[HeroRead] = []


class HeroReadWithTeam(HeroRead):
    team: TeamRead | None = None


SQLITE_FILE_NAME = "database.db"
DATABASE_URL = f"sqlite:///{SQLITE_FILE_NAME}"

connect_args = {"check_same_thread": False}
engine = create_engine(DATABASE_URL, connect_args=connect_args)


def create_db_and_tables():
    SQLModel.metadata.create_all(engine)


def get_session():
    with Session(engine) as session:
        yield session