import enum
import uuid

from sqlalchemy import Boolean, Enum, String
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.models.base import Base, TimestampMixin


class UserRole(str, enum.Enum):
    USER = "USER"
    ADMIN = "ADMIN"


class User(TimestampMixin, Base):
    __tablename__ = "users"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    email: Mapped[str] = mapped_column(String(320), unique=True, index=True, nullable=False)
    full_name: Mapped[str | None] = mapped_column(String(255), nullable=True)
    hashed_password: Mapped[str] = mapped_column(String(255), nullable=False)
    role: Mapped[UserRole] = mapped_column(
        Enum(UserRole, name="user_role"),
        nullable=False,
        default=UserRole.USER,
        server_default=UserRole.USER.value,
    )
    is_active: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True, server_default="true")

    pipeline_dialogs = relationship(
        "PipelineDialog",
        back_populates="user",
        cascade="all, delete-orphan",
        passive_deletes=True,
        lazy="selectin",
    )
    actions = relationship("Action", passive_deletes=True, lazy="selectin")
    capabilities = relationship("Capability", passive_deletes=True, lazy="selectin")