"""育种目标 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 TargetModel(ModelMixin, UserMixin, MappedBase):
    """育种目标 主数据表。"""

    __tablename__ = "bre_target"

    target_name: Mapped[str] = mapped_column(String(100), nullable=False, comment="目标名称")

    plan_id: Mapped[int | None] = mapped_column(
        Integer, ForeignKey("bre_plan.id", ondelete="SET NULL"), nullable=True, index=True,
        comment="所属育种计划", default=None,
    )

    series: Mapped[str | None] = mapped_column(String(100), nullable=True, comment="系列/品系", default=None)

    description: Mapped[str | None] = mapped_column(Text, nullable=True, comment="目标描述", default=None)

    is_preset: Mapped[str | None] = mapped_column(String(50), nullable=True, comment="是否预设", 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_target_created_deleted", "created_time", "is_deleted"),
    )