import uuid
from datetime import datetime

from sqlalchemy import String, Boolean, DateTime, ForeignKey, func
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.database import Base


class DuniterIdentity(Base):
    __tablename__ = "duniter_identities"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    address: Mapped[str] = mapped_column(String(64), unique=True, nullable=False, index=True)
    display_name: Mapped[str | None] = mapped_column(String(128))
    wot_status: Mapped[str] = mapped_column(String(32), default="unknown")  # member, pending, revoked, unknown
    is_smith: Mapped[bool] = mapped_column(Boolean, default=False)
    is_techcomm: Mapped[bool] = mapped_column(Boolean, default=False)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())

    sessions: Mapped[list["Session"]] = relationship(back_populates="identity", cascade="all, delete-orphan")


class Session(Base):
    __tablename__ = "sessions"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    token_hash: Mapped[str] = mapped_column(String(128), unique=True, nullable=False, index=True)
    identity_id: Mapped[uuid.UUID] = mapped_column(ForeignKey("duniter_identities.id"), nullable=False)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
    expires_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)

    identity: Mapped["DuniterIdentity"] = relationship(back_populates="sessions")