"""
税务申报表模型
"""
from datetime import date
from typing import Optional, TYPE_CHECKING

from sqlalchemy import (
    Boolean,
    Column,
    Date,
    Integer,
    String,
    Float,
)
from sqlalchemy.orm import Mapped, mapped_column

from app.models.base import BaseModel

if TYPE_CHECKING:
    from .streamer import StreamerInfo, McnAgency


class TaxDeclaration(BaseModel):
    """
    税务申报表
    """
    __tablename__ = "tax_declaration"

    vat_declaration_id: Mapped[str] = mapped_column(
        String(50), unique=True, nullable=False, comment="增值税申报ID"
    )
    taxpayer_name: Mapped[str] = mapped_column(
        String(200), nullable=False, comment="纳税人名称"
    )
    taxpayer_id: Mapped[str] = mapped_column(
        String(18), nullable=False, comment="纳税人识别号"
    )
    tax_period: Mapped[str] = mapped_column(
        String(20), nullable=False, comment="纳税期间（YYYY-MM或YYYYQ1-4）"
    )
    declaration_date: Mapped[date] = mapped_column(
        Date, nullable=False, comment="申报日期"
    )
    tax_authority_code: Mapped[str] = mapped_column(
        String(20), nullable=False, comment="主管税务机关代码"
    )
    tax_authority_name: Mapped[str] = mapped_column(
        String(200), nullable=False, comment="主管税务机关名称"
    )
    taxpayer_type: Mapped[str] = mapped_column(
        String(20),
        nullable=False,
        comment="纳税人类型：general-一般纳税人，small_scale-小规模纳税人",
    )
    tax_rate: Mapped[float] = mapped_column(
        nullable=False, comment="税率"
    )
    sales_revenue: Mapped[float] = mapped_column(
        nullable=False, comment="销售收入"
    )
    sales_revenue_taxable: Mapped[float] = mapped_column(
        nullable=False, comment="销售收入应税"
    )
    output_tax: Mapped[float] = mapped_column(
        nullable=False, comment="销项税额"
    )
    input_tax: Mapped[float] = mapped_column(
        default=0, comment="进项税额"
    )
    input_tax_deductible: Mapped[float] = mapped_column(
        default=0, comment="进项税额抵扣"
    )
    tax_payable: Mapped[float] = mapped_column(
        nullable=False, comment="应纳税额"
    )
    tax_to_pay: Mapped[float] = mapped_column(
        nullable=False, comment="应纳税额（已缴）"
    )
    refund_amount: Mapped[float] = mapped_column(
        default=0, comment="退税金额"
    )
    declaration_status: Mapped[str] = mapped_column(
        String(20),
        nullable=False,
        comment="申报状态：draft-草稿，submitted-已申报，approved-已审核，rejected-已退回",
    )
    is_reconciled: Mapped[bool] = mapped_column(
        default=False, comment="是否已对账"
    )