from sqlalchemy import String, Boolean, Integer, ForeignKey, func
from sqlalchemy.orm import Mapped, mapped_column, relationship
from datetime import datetime
from typing import List
from app.database import Base


class Calendar(Base):
    __tablename__ = "calendars"

    id: Mapped[int] = mapped_column(primary_key=True, index=True)
    user_id: Mapped[int] = mapped_column(
        Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True
    )
    name: Mapped[str] = mapped_column(String(100), nullable=False)
    color: Mapped[str] = mapped_column(String(20), nullable=False, default="#3b82f6")
    is_default: Mapped[bool] = mapped_column(Boolean, default=False, server_default="false")
    is_system: Mapped[bool] = mapped_column(Boolean, default=False, server_default="false")
    is_visible: Mapped[bool] = mapped_column(Boolean, default=True, server_default="true")
    created_at: Mapped[datetime] = mapped_column(default=func.now())
    updated_at: Mapped[datetime] = mapped_column(default=func.now(), onupdate=func.now())

    events: Mapped[List["CalendarEvent"]] = relationship(back_populates="calendar")