from sqlalchemy import Column, ForeignKey, Integer, String, Table

from web.database import Base


role_permissions = Table(
    "role_permissions",
    Base.metadata,
    Column("role_id", Integer, ForeignKey("roles.id", ondelete="CASCADE"), primary_key=True),
    Column("permission_id", Integer, ForeignKey("permissions.id", ondelete="CASCADE"), primary_key=True),
)


class Role(Base):
    __tablename__ = "roles"

    id = Column(Integer, primary_key=True, autoincrement=True)
    name = Column(String(50), nullable=False, unique=True)
    description = Column(String(255), nullable=True)


class Permission(Base):
    __tablename__ = "permissions"

    id = Column(Integer, primary_key=True, autoincrement=True)
    name = Column(String(100), nullable=False, unique=True)
    description = Column(String(255), nullable=True)


class UserRole(Base):
    __tablename__ = "user_roles"

    user_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), primary_key=True)
    role_id = Column(Integer, ForeignKey("roles.id", ondelete="CASCADE"), primary_key=True)