from datetime import datetime
from typing import Optional

from sqlalchemy import Boolean, DateTime, String, Text
from sqlalchemy.orm import Mapped, mapped_column
from sqlalchemy.sql import func

from config.database import Base


class ApplicationSetting(Base):
    __tablename__ = "application_setting"

    id: Mapped[int] = mapped_column(primary_key=True, index=True)
    key: Mapped[str] = mapped_column(String(128), unique=True, nullable=False)
    value: Mapped[str] = mapped_column(Text, nullable=False)
    value_type: Mapped[str] = mapped_column(String(32), nullable=False, default="string")
    category: Mapped[str] = mapped_column(String(32), nullable=False, default="general")
    description: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
    is_editable: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), nullable=False
    )
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False
    )

    def __repr__(self) -> str:
        return f"<ApplicationSetting key={self.key} category={self.category}>"