"""选择规则 数据模型"""
from datetime import datetime

from sqlalchemy import Float, ForeignKey, Index, Integer, String, Text
from sqlalchemy.orm import Mapped, mapped_column

from app.core.base_model import MappedBase, ModelMixin, UserMixin


class SelectionRuleModel(ModelMixin, UserMixin, MappedBase):
    """选择规则 主数据表。"""

    __tablename__ = "bre_selection_rule"

    rule_name: Mapped[str] = mapped_column(String(128), nullable=False, comment="规则名称")

    target_id: Mapped[int] = mapped_column(
        Integer, ForeignKey("bre_target.id", ondelete="CASCADE"),
        index=True, nullable=False, comment="育种目标"
    )

    stage: Mapped[str | None] = mapped_column(String(32), nullable=True, comment="适用阶段", default=None)

    conditions_json: Mapped[str] = mapped_column(Text, nullable=False, comment="条件(JSON)")

    logic: Mapped[str | None] = mapped_column(String(8), nullable=True, comment="逻辑关系", default=None)

    action: Mapped[str | None] = mapped_column(String(16), nullable=True, comment="动作", default=None)

    priority: Mapped[int | None] = mapped_column(Integer, nullable=True, comment="优先级", default=None)

    enabled: Mapped[str | None] = mapped_column(String(1), nullable=True, comment="是否启用", default=None)

    remark: Mapped[str | None] = mapped_column(Text, nullable=True, comment="备注", default=None)

    # 无 status 列：覆盖基类默认 ix_<表>_status_deleted 索引，
    # 仅保留 (created_time, is_deleted) 复合索引用于数据权限过滤。
    __table_args__ = (
        Index("ix_bre_selection_rule_created_deleted", "created_time", "is_deleted"),
    )