import uuid
from datetime import datetime

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

from app.database import Base


class APIKey(Base):
    __tablename__ = "api_keys"

    id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        primary_key=True,
        default=uuid.uuid4,
    )
    user_id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True),
        nullable=False,
        index=True,
    )
    engine_type: Mapped[str] = mapped_column(String(20), nullable=False)
    encrypted_key: Mapped[str] = mapped_column(String(500), nullable=False)
    key_hint: Mapped[str] = mapped_column(String(50), nullable=False)
    key_source: Mapped[str] = mapped_column(String(10), default="user")
    status: Mapped[str] = mapped_column(String(20), default="active")
    priority: Mapped[int] = mapped_column(default=0)
    last_verified_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        nullable=False,
    )
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        onupdate=func.now(),
        nullable=False,
    )

    __table_args__ = (
        Index("idx_api_keys_user_engine", "user_id", "engine_type"),
        Index("idx_api_keys_engine_status", "engine_type", "status"),
    )