from datetime import datetime
from uuid import UUID

from sqlalchemy import DateTime, ForeignKey, String, Text, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.core.database import Base


class JournalEntry(Base):
    __tablename__ = "journal_entries"

    id: Mapped[UUID] = mapped_column(
        primary_key=True, server_default=func.gen_random_uuid()
    )
    run_id: Mapped[int] = mapped_column(
        ForeignKey("nuzlocke_runs.id", ondelete="CASCADE"), index=True
    )
    boss_result_id: Mapped[int | None] = mapped_column(
        ForeignKey("boss_results.id", ondelete="SET NULL"), index=True
    )
    title: Mapped[str] = mapped_column(String(200))
    body: Mapped[str] = mapped_column(Text)
    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()
    )

    run: Mapped[NuzlockeRun] = relationship(back_populates="journal_entries")
    boss_result: Mapped[BossResult | None] = relationship()

    def __repr__(self) -> str:
        return (
            f"<JournalEntry(id={self.id}, run_id={self.run_id}, title='{self.title}')>"
        )