"""单株评价 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 TreeEvaluationModel(ModelMixin, UserMixin, MappedBase):
    """单株评价 主数据表。"""

    __tablename__ = "bre_tree_evaluation"

    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"
    )

    evaluate_year: Mapped[int | None] = mapped_column(Integer, nullable=True, comment="评价年份", default=None)

    evaluate_date: Mapped[str | None] = mapped_column(String(20), nullable=True, comment="调查时间", default=None)

    bre_personnel_id: Mapped[int] = mapped_column(
        Integer, ForeignKey("bre_personnel.id", ondelete="CASCADE"),
        index=True, nullable=True, comment="评价人"
    )

    overall_score: Mapped[float | None] = mapped_column(Float, nullable=True, comment="综合评分", default=None)

    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"
    )

    crop_load: Mapped[float | None] = mapped_column(Float, nullable=True, comment="座果率/产量负载", 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_tree_evaluation_created_deleted", "created_time", "is_deleted"),
    )