"""
佣金结算单模型
"""
from datetime import date, datetime
from typing import Optional, TYPE_CHECKING

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

from app.models.base import BaseModel

if TYPE_CHECKING:
    from .streamer import StreamerInfo, McnAgency


class Settlement(BaseModel):
    """
    佣金结算单表
    """
    __tablename__ = "settlement"

    settlement_id: Mapped[str] = mapped_column(
        String(50), unique=True, nullable=False, comment="结算单ID"
    )
    settlement_no: Mapped[str] = mapped_column(
        String(100), nullable=False, comment="结算单号"
    )
    streamer_id: Mapped[str] = mapped_column(
        String(50), nullable=False, comment="主播ID"
    )
    streamer_name: Mapped[str] = mapped_column(
        String(100), nullable=False, comment="主播姓名"
    )
    streamer_entity_type: Mapped[str] = mapped_column(
        String(20), nullable=False, comment="主播主体类型"
    )
    settlement_period: Mapped[str] = mapped_column(
        String(20), nullable=False, comment="结算周期（YYYY-MM）"
    )
    settlement_start_date: Mapped[date] = mapped_column(
        Date, nullable=False, comment="结算开始日期"
    )
    settlement_end_date: Mapped[date] = mapped_column(
        Date, nullable=False, comment="结算结束日期"
    )
    order_count: Mapped[int] = mapped_column(
        nullable=False, comment="订单数量"
    )
    total_sales: Mapped[float] = mapped_column(
        nullable=False, comment="总销售额"
    )
    total_commission: Mapped[float] = mapped_column(
        nullable=False, comment="总佣金"
    )
    platform_service_fee: Mapped[float] = mapped_column(
        nullable=False, comment="平台服务费"
    )
    actual_settlement_amount: Mapped[float] = mapped_column(
        nullable=False, comment="实际结算金额"
    )
    tax_withholding: Mapped[float] = mapped_column(
        default=0, comment="代扣代缴税费"
    )
    payment_method: Mapped[str] = mapped_column(
        String(50),
        nullable=False,
        comment="付款方式：bank_transfer-银行转账，alipay-支付宝，wechat-微信",
    )
    payment_account_no: Mapped[str] = mapped_column(
        String(50), nullable=False, comment="付款账号"
    )
    payment_account_name: Mapped[str] = mapped_column(
        String(100), nullable=False, comment="付款账户名"
    )
    payment_time: Mapped[Optional[datetime]] = mapped_column(
        DateTime(timezone=True), nullable=True, comment="付款时间"
    )
    payment_status: Mapped[str] = mapped_column(
        String(20),
        nullable=False,
        comment="付款状态：pending-待付款，processing-处理中，paid-已付款，failed-付款失败",
    )
    settlement_status: Mapped[str] = mapped_column(
        String(20),
        nullable=False,
        comment="结算状态：pending-待结算，settled-已结算，partial-部分结算",
    )
    remark: Mapped[Optional[str]] = mapped_column(
        Text, nullable=True, comment="备注"
    )