"""分发排期数据模型"""
import uuid
from datetime import datetime

from sqlalchemy import String, Integer, DateTime, ForeignKey, Index, func, Text
from sqlalchemy import Uuid
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.database import Base, JSONType


class DistributionSchedule(Base):
    __tablename__ = "distribution_schedules"

    id: Mapped[uuid.UUID] = mapped_column(
        Uuid(as_uuid=True),
        primary_key=True,
        default=uuid.uuid4,
    )
    organization_id: Mapped[uuid.UUID] = mapped_column(
        Uuid(as_uuid=True),
        ForeignKey("organizations.id", ondelete="CASCADE"),
        nullable=False,
    )
    content_title: Mapped[str] = mapped_column(String(500), nullable=False)
    content_id: Mapped[uuid.UUID | None] = mapped_column(
        Uuid(as_uuid=True),
        ForeignKey("contents.id", ondelete="SET NULL"),
        nullable=True,
    )
    platforms: Mapped[list | None] = mapped_column(JSONType, nullable=True)
    """[{platform, platform_name, scheduled_time, status}]"""
    tips: Mapped[list | None] = mapped_column(JSONType, nullable=True)
    status: Mapped[str] = mapped_column(String(20), server_default="pending", nullable=False)
    created_by: Mapped[str | None] = mapped_column(
        String(36),
        ForeignKey("users.id", ondelete="SET NULL"),
        nullable=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,
    )

    # Relationships
    organization: Mapped["Organization"] = relationship("Organization", foreign_keys=[organization_id])
    content: Mapped["Content | None"] = relationship("Content", foreign_keys=[content_id])
    creator: Mapped["User | None"] = relationship("User", foreign_keys=[created_by])

    __table_args__ = (
        Index("idx_distribution_schedules_organization_id", "organization_id"),
        Index("idx_distribution_schedules_status", "status"),
        Index("idx_distribution_schedules_created_by", "created_by"),
    )