"""试验执行 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 TrialStudyModel(ModelMixin, UserMixin, MappedBase):
    """试验执行 主数据表。"""

    __tablename__ = "bre_trial_study"

    trial_id: Mapped[int] = mapped_column(
        Integer, ForeignKey("bre_trial.id"),
        index=True, nullable=False, comment="所属试验"
    )

    study_name: Mapped[str] = mapped_column(String(128), nullable=False, comment="研究点名称")

    site_id: Mapped[int | None] = mapped_column(
        Integer, ForeignKey("bre_site.id"),
        nullable=True, comment="基地ID", default=None
    )

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

    block_count: Mapped[int | None] = mapped_column(Integer, nullable=True, comment="区组数", default=None)

    season: Mapped[str | None] = mapped_column(String(32), nullable=True, comment="季节", default=None)

    design_type: Mapped[str | None] = mapped_column(String(32), nullable=True, comment="设计类型(breeding_design_type)", 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_trial_study_created_deleted", "created_time", "is_deleted"),
    )