from datetime import datetime

from sqlalchemy import ForeignKey, Index, Integer, String, DateTime
from sqlalchemy.orm import Mapped, mapped_column

from app.models.base import Base, SoftDeleteMixin, TimestampMixin


class TeamInvitation(Base, TimestampMixin, SoftDeleteMixin):
    __tablename__ = "team_invitations"
    __table_args__ = (
        Index("ix_team_invitations_team", "team_id", "status"),
    )

    id: Mapped[str] = mapped_column(String(32), primary_key=True)
    team_id: Mapped[str] = mapped_column(String(32), ForeignKey("teams.id"), index=True, nullable=False)
    code: Mapped[str] = mapped_column(String(64), unique=True, index=True, nullable=False)
    created_by: Mapped[str] = mapped_column(String(32), ForeignKey("users.id"), nullable=False)
    status: Mapped[str] = mapped_column(String(16), default="active", server_default="active", nullable=False)
    max_uses: Mapped[int | None] = mapped_column(Integer, nullable=True)
    use_count: Mapped[int] = mapped_column(Integer, default=0, server_default="0", nullable=False)
    expires_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)