"""种子处理 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 SeedTreatmentModel(ModelMixin, UserMixin, MappedBase):
    """种子处理 主数据表。"""

    __tablename__ = "bre_seed_treatment"

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

    seed_lot_id: Mapped[int | None] = mapped_column(
        Integer, ForeignKey("bre_seed_lot.id", ondelete="SET NULL"),
        index=True, nullable=True, comment="种子批(关联补链)", default=None
    )

    treatment_method: Mapped[str | None] = mapped_column(String(50), nullable=True, comment="处理方式", default=None)

    treatment_start: Mapped[str | None] = mapped_column(String(20), nullable=True, comment="处理开始日期", default=None)

    treatment_end: Mapped[str | None] = mapped_column(String(20), nullable=True, comment="处理结束日期", default=None)

    germination_rate: Mapped[float | None] = mapped_column(Float, nullable=True, comment="发芽率(%)", default=None)

    bre_personnel_id: Mapped[int] = mapped_column(
        Integer, ForeignKey("bre_personnel.id", ondelete="CASCADE"),
        index=True, nullable=True, comment="种子处理人"
    )

    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_seed_treatment_created_deleted", "created_time", "is_deleted"),
    )