# @description: 
# @author: licanglong
# @date: 2025/12/22 20:12
from datetime import date, datetime
from decimal import Decimal

from sqlalchemy import (
    String,
    Integer,
    Date,
    DateTime,
    Numeric, Index,
)
from sqlalchemy.orm import Mapped, mapped_column

from app.db.base import Base


class InvoicePurchaseDetail(Base):
    """
    进项发票-信息汇总表
    """
    __tablename__ = "invoice_purchase_detail"

    # =======================
    # 主键
    # =======================
    id: Mapped[int] = mapped_column(
        Integer,
        primary_key=True,
        autoincrement=True,
        comment="自增主键",
    )

    tax_id: Mapped[str] = mapped_column(
        String(20),
        primary_key=True,
        comment="购方税号",
    )

    # =======================
    # 发票基础信息
    # =======================
    zzfpdm: Mapped[str] = mapped_column(
        String(32),
        nullable=False,
        default="",
        comment="发票代码",
    )

    zzfphm: Mapped[str] = mapped_column(
        String(32),
        nullable=False,
        comment="发票号码",
    )

    kprq: Mapped[date] = mapped_column(
        Date,
        nullable=False,
        comment="开票日期",
    )

    # =======================
    # 销方信息
    # =======================
    gmfmc: Mapped[str] = mapped_column(
        String(128),
        nullable=False,
        comment="销方名称",
    )

    gmfnsrsbh: Mapped[str] = mapped_column(
        String(32),
        nullable=False,
        comment="销方税号",
    )

    # =======================
    # 商品 / 劳务信息
    # =======================
    ssflbm: Mapped[str | None] = mapped_column(
        String(32),
        nullable=True,
        comment="税收分类编码",
    )

    tdywlx: Mapped[str | None] = mapped_column(
        String(32),
        nullable=True,
        comment="特定业务类型",
    )

    hwmc: Mapped[str | None] = mapped_column(
        String(255),
        nullable=True,
        comment="货物或应税劳务名称",
    )

    easy_hwmc: Mapped[str | None] = mapped_column(
        String(255),
        nullable=True,
        comment="货物名称",
    )

    ggxh: Mapped[str | None] = mapped_column(
        String(128),
        nullable=True,
        comment="规格型号",
    )

    dw: Mapped[str | None] = mapped_column(
        String(16),
        nullable=True,
        comment="计量单位名称",
    )

    dw_symbol: Mapped[str | None] = mapped_column(
        String(16),
        nullable=True,
        comment="计量单位符号",
    )

    # =======================
    # 金额 / 数量
    # =======================
    xssl: Mapped[Decimal] = mapped_column(
        Numeric(24, 6),
        nullable=False,
        default=Decimal("0.000000"),
        comment="数量",
    )

    dj: Mapped[Decimal] = mapped_column(
        Numeric(24, 8),
        nullable=False,
        default=Decimal("0.00000000"),
        comment="单价",
    )

    hjje: Mapped[Decimal] = mapped_column(
        Numeric(10, 2),
        nullable=False,
        default=Decimal("0.00"),
        comment="金额",
    )

    sl: Mapped[str | None] = mapped_column(
        String(6),
        nullable=True,
        comment="税率",
    )

    hjse: Mapped[Decimal] = mapped_column(
        Numeric(10, 2),
        nullable=False,
        default=Decimal("0.00"),
        comment="税额",
    )

    jshj: Mapped[Decimal] = mapped_column(
        Numeric(10, 2),
        nullable=False,
        default=Decimal("0.00"),
        comment="价税合计",
    )

    # =======================
    # 发票状态 / 风控相关
    # =======================
    fplydm: Mapped[str] = mapped_column(
        String(128),
        nullable=False,
        comment="发票来源",
    )

    fppzdm: Mapped[str] = mapped_column(
        String(128),
        nullable=False,
        comment="发票票种",
    )

    fpztdm: Mapped[str] = mapped_column(
        String(128),
        nullable=False,
        comment="发票状态",
    )

    sflzfp: Mapped[str] = mapped_column(
        String(128),
        nullable=False,
        comment="发票风险等级",
    )

    kpr: Mapped[str] = mapped_column(
        String(64),
        nullable=False,
        comment="开票人",
    )

    # =======================
    # 时间字段
    # =======================
    created_at: Mapped[datetime] = mapped_column(
        DateTime,
        nullable=False,
        default=datetime.utcnow,
        comment="创建时间",
    )

    # =======================
    # 索引定义
    # =======================
    __table_args__ = (
        Index(
            "uni_hm_dm_taxid",
            "zzfphm",
            "zzfpdm",
            "tax_id",
        ),
    )

    def __repr__(self) -> str:
        return (
            f"<InvoicePurchaseDetail "
            f"id={self.id} "
            f"tax_id={self.tax_id} "
            f"zzfphm={self.zzfphm} "
            f"jshj={self.jshj}>"
        )