from datetime import datetime

from sqlalchemy import DateTime, String, Text
from sqlalchemy.orm import Mapped, mapped_column

from app.common.enums import PermissionFilterStrategy
from app.core.base_model import PaymentModelMixin, TenantMixin, EnterpriseMixin


class ExpenseInstitutionModel(PaymentModelMixin, TenantMixin, EnterpriseMixin):
    """费控制度模型"""

    __tablename__ = "pay_expense_institution"
    __table_args__ = {"comment": "费控制度表"}
    __permission_strategy__ = PermissionFilterStrategy.ENTERPRISE_BASED

    institution_id: Mapped[str | None] = mapped_column(
        String(64), unique=True, index=True, comment="费控规则ID(创建后获取)"
    )
    institution_name: Mapped[str | None] = mapped_column(String(128), comment="制度名称")
    institution_desc: Mapped[str | None] = mapped_column(
        Text, comment="制度描述"
    )
    
    scene_type: Mapped[str | None] = mapped_column(
        String(32), default="GENERAL", comment="因公场景"
    )
    expense_type: Mapped[str] = mapped_column(
        String(32), default="GENERAL", comment="费用类型"
    )
    expense_sub_type: Mapped[str] = mapped_column(
        String(32), default="GENERAL", comment="费用类型子类"
    )
    status: Mapped[str] = mapped_column(
        String(32),
        default="INSTITUTION_CREATE",
        comment="状态: INSTITUTION_CREATE/INSTITUTION_EFFECTIVE/INSTITUTION_INVALID",
    )

    effective: Mapped[str | None] = mapped_column(
        String(32), default="1", comment="是否启用: 0(停用)/1(启用)"
    )
    effective_start_date: Mapped[datetime | None] = mapped_column(
        DateTime, comment="制度生效起始时间"
    )
    effective_end_date: Mapped[datetime | None] = mapped_column(
        DateTime, comment="制度生效结束时间"
    )

    consult_mode: Mapped[str | None] = mapped_column(
        String(32), default="0", comment="费控咨询模式: 0(支付宝内部计算)/1(咨询外部服务商)"
    )
    multi_employee_share_mode: Mapped[str | None] = mapped_column(
        String(32), default="0", comment="多员工分享模式: 0(不分享)/1(分享)"
    )
    currency: Mapped[str | None] = mapped_column(
        String(32), default="CNY", comment="货币类型"
    )