"""选育结果 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 SelectionResultModel(ModelMixin, UserMixin, MappedBase):
    """选育结果 主数据表。"""

    __tablename__ = "bre_selection_result"

    combination_id: Mapped[int] = mapped_column(
        Integer, ForeignKey("bre_cross_combination.id", ondelete="CASCADE"),
        index=True, nullable=False, comment="杂交组合"
    )

    tree_id: Mapped[int] = mapped_column(
        Integer, ForeignKey("bre_tree.id", ondelete="CASCADE"),
        index=True, nullable=False, comment="单株"
    )

    tree_no: Mapped[str] = mapped_column(String(100), nullable=False, comment="单株编号(冗余自单株表)", default="")

    selection_year: Mapped[int | None] = mapped_column(Integer, nullable=True, comment="入选年份", default=None)

    is_selected: Mapped[str | None] = mapped_column(String(50), nullable=True, comment="选育结论", default=None)

    clone_id: Mapped[int | None] = mapped_column(
        Integer, ForeignKey("bre_clone.id", ondelete="SET NULL"),
        index=True, nullable=True, comment="晋级无性系"
    )

    rule_id: Mapped[int | None] = mapped_column(
        Integer, ForeignKey("bre_selection_rule.id", ondelete="SET NULL"),
        index=True, nullable=True, comment="选育规则"
    )

    from_stage: Mapped[str | None] = mapped_column(String(32), nullable=True, comment="起始阶段(breeding_stage)", default=None)

    to_stage: Mapped[str | None] = mapped_column(String(32), nullable=True, comment="晋级阶段(breeding_stage)", default=None)

    approved_by: Mapped[int | None] = mapped_column(
        Integer, ForeignKey("bre_personnel.id", ondelete="SET NULL"),
        index=True, nullable=True, comment="审核人"
    )

    trial_study_id: Mapped[int | None] = mapped_column(
        Integer, ForeignKey("bre_trial_study.id", ondelete="SET NULL"),
        index=True, nullable=True, comment="所属试验研究点"
    )

    reason: Mapped[str | None] = mapped_column(Text, nullable=True, comment="入选理由", 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_result_created_deleted", "created_time", "is_deleted"),
    )