# -*- coding: utf-8 -*-

{% for model_import in model_import_list %}
{{ model_import }}
{% endfor %}
from sqlalchemy.orm import Mapped, mapped_column

from app.core.base_model import ModelMixin, UserMixin
{% if table.sub and not is_sub_entity %}
from ..{{ sub_module_name }}.model import {{ sub_model_class_name }}
{% endif %}


class {{ class_name }}Model(ModelMixin, UserMixin):
    """
    {{ function_name }}表
    """
    __tablename__: str = '{{ table_name }}'
    __table_args__: dict[str, str] = {'comment': '{{ function_name }}'}
{% if not is_sub_entity %}
    {% if pk_column and pk_column.column_name == 'id' %}
    {% set pk_sa_type = pk_column|get_sqlalchemy_type %}
    {% if pk_sa_type != 'Integer' %}
    # 表主键类型与基类 ModelMixin.id(Integer) 不一致，显式覆盖以保持模型与库结构一致
    id: Mapped[{{ pk_column.python_type }}] = mapped_column({{ pk_sa_type }}, primary_key=True, {% if pk_column.is_increment %}autoincrement=True, {% endif %}index=True, nullable=False, comment='{{ pk_column.column_comment or "主键ID" }}')
    {% endif %}
    {% endif %}
    {% for column in columns %}
    {% if column.column_name not in ['id', 'uuid', 'tenant_id', 'created_time', 'updated_time', 'created_id', 'updated_id', 'is_deleted', 'deleted_time', 'deleted_id'] %}
    {% set sqlalchemy_type = column|get_sqlalchemy_type %}
    {% if not column.is_nullable %}
    {{ column.column_name }}: Mapped[{{ column.python_type }}] = mapped_column({{ sqlalchemy_type }}, {% if column.is_pk %}primary_key=True, {% endif %}{% if column.is_increment %}autoincrement=True, {% endif %}nullable=False, comment='{{ column.column_comment }}')
    {% else %}
    {{ column.column_name }}: Mapped[{{ column.python_type }} | None] = mapped_column({{ sqlalchemy_type }}, {% if column.is_pk %}primary_key=True, {% endif %}{% if column.is_increment %}autoincrement=True, {% endif %}nullable=True, comment='{{ column.column_comment }}')
    {% endif %}
    {% endif %}
    {% endfor %}

    {% if table.sub %}
    {{ sub_rel_list_name }} = relationship('{{ sub_model_class_name }}', back_populates='{{ parent_rel_name }}')
    {% endif %}
{% else %}
    {% if pk_column and pk_column.column_name == 'id' %}
    {% set pk_sa_type = pk_column|get_sqlalchemy_type %}
    {% if pk_sa_type != 'Integer' %}
    # 子表主键类型与基类 ModelMixin.id(Integer) 不一致，显式覆盖以保持模型与库结构一致
    id: Mapped[{{ pk_column.python_type }}] = mapped_column({{ pk_sa_type }}, primary_key=True, {% if pk_column.is_increment %}autoincrement=True, {% endif %}index=True, nullable=False, comment='{{ pk_column.column_comment or "主键ID" }}')
    {% endif %}
    {% endif %}
    {% for column in columns %}
    {% if column.column_name not in ['id', 'uuid', 'tenant_id', 'created_time', 'updated_time', 'created_id', 'updated_id', 'is_deleted', 'deleted_time', 'deleted_id'] %}
    {% set sqlalchemy_type = column|get_sqlalchemy_type %}
    {% if column.column_name == sub_table_fk_name %}
    {{ column.column_name }}: Mapped[{{ column.python_type }}{% if column.is_nullable and not column.is_pk %} | None{% endif %}] = mapped_column({{ sqlalchemy_type }}, ForeignKey('{{ parent_table_name }}.{{ parent_pk_column_name }}', ondelete='CASCADE'), {% if column.is_pk %}primary_key=True, {% endif %}{% if column.is_increment %}autoincrement=True, {% endif %}{% if (not column.is_nullable) or column.is_pk %}nullable=False{% else %}nullable=True{% endif %}, comment='{{ column.column_comment }}')
    {% else %}
    {% if not column.is_nullable %}
    {{ column.column_name }}: Mapped[{{ column.python_type }}] = mapped_column({{ sqlalchemy_type }}, {% if column.is_pk %}primary_key=True, {% endif %}{% if column.is_increment %}autoincrement=True, {% endif %}nullable=False, comment='{{ column.column_comment }}')
    {% else %}
    {{ column.column_name }}: Mapped[{{ column.python_type }} | None] = mapped_column({{ sqlalchemy_type }}, {% if column.is_pk %}primary_key=True, {% endif %}{% if column.is_increment %}autoincrement=True, {% endif %}nullable=True, comment='{{ column.column_comment }}')
    {% endif %}
    {% endif %}
    {% endif %}
    {% endfor %}

    {{ parent_rel_name }} = relationship('{{ parent_model_class_name }}', back_populates='{{ parent_list_rel_name }}')
{% endif %}