from sqlalchemy import Column, Integer, String, Boolean, DateTime, Enum
from sqlalchemy.sql import func
import enum

from app.db.base import Base

class PriorityEnum(enum.Enum):
    LOW = "low"
    MEDIUM = "medium"
    HIGH = "high"

class Todo(Base):
    __tablename__ = "todos"

    id = Column(Integer, primary_key=True, index=True)
    title = Column(String, index=True)
    description = Column(String, nullable=True)
    completed = Column(Boolean, default=False)
    category = Column(String, nullable=True, index=True)
    priority = Column(Enum(PriorityEnum), default=PriorityEnum.MEDIUM, nullable=True)
    due_date = Column(DateTime(timezone=True), nullable=True)
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), onupdate=func.now())