from __future__ import annotations

import uuid

from sqlalchemy import Boolean, Enum, Float, ForeignKey, String, Text
from sqlalchemy.orm import Mapped, mapped_column

from app.db.base import Base, TimestampMixin, UUIDPrimaryKeyMixin
from app.models.enums import SeverityLevel


class Alert(Base, UUIDPrimaryKeyMixin, TimestampMixin):
    __tablename__ = "alerts"

    company_id: Mapped[uuid.UUID] = mapped_column(
        ForeignKey("companies.id", ondelete="CASCADE"), index=True
    )
    detected_change_id: Mapped[uuid.UUID] = mapped_column(
        ForeignKey("detected_changes.id", ondelete="CASCADE"), index=True
    )
    user_id: Mapped[uuid.UUID] = mapped_column(
        ForeignKey("users.id", ondelete="CASCADE"), index=True
    )
    title: Mapped[str] = mapped_column(String(200))
    summary: Mapped[str] = mapped_column(Text)
    why_it_matters: Mapped[str] = mapped_column(Text)
    severity: Mapped[SeverityLevel] = mapped_column(
        Enum(SeverityLevel, native_enum=False, length=20)
    )
    confidence: Mapped[float] = mapped_column(Float)
    read: Mapped[bool] = mapped_column(Boolean, default=False)
    resolved: Mapped[bool] = mapped_column(Boolean, default=False)