from enum import Enum as PyEnum

from sqlalchemy import (
    Column,
    DateTime,
    Enum,
    Float,
    ForeignKey,
    Integer,
    String,
    func,
)
from sqlalchemy.dialects.postgresql import UUID
from pydantic import BaseModel
from ._base import Base


class EvaluationType(PyEnum):
    TECHNICAL = "TECHNICAL"
    MANAGEMENT = "MANAGEMENT"
    PAST_PERFORMANCE = "PAST_PERFORMANCE"
    PRICE = "PRICE"


class Evaluations(Base):
    __tablename__ = "evaluations"

    id = Column(UUID(as_uuid=True), primary_key=True)
    proposal_id = Column(
        UUID(as_uuid=True),
        ForeignKey("proposals.id", ondelete="CASCADE"),
        nullable=False,
    )
    evaluation_type = Column(Enum(EvaluationType), nullable=False)
    ai_score = Column(Float(), nullable=True)
    adjusted_score = Column(Float(), nullable=True)
    created_at = Column(DateTime(), nullable=False, default=func.now())
    updated_at = Column(
        DateTime(), nullable=False, default=func.now(), onupdate=func.now()
    )