"""
成本费用凭证相关Pydantic模型
"""
from datetime import date
from typing import Optional, List
from pydantic import BaseModel, Field


class ExpenseBase(BaseModel):
    """成本费用凭证基础模型"""
    voucher_no: str = Field(..., description="凭证号")
    expense_type: str = Field(..., description="费用类型")
    expense_category: str = Field(..., description="费用类别")
    payer_name: str = Field(..., description="付款方名称")
    payer_account_no: str = Field(..., description="付款方账号")
    payee_name: str = Field(..., description="收款方名称")
    payee_account_no: str = Field(..., description="收款方账号")
    payee_bank_name: Optional[str] = Field(None, description="收款方开户行")
    expense_date: date = Field(..., description="费用发生日期")
    expense_amount: float = Field(..., description="费用金额")
    tax_amount: float = Field(..., description="税额")
    tax_rate: float = Field(..., description="税率")
    payment_method: str = Field(..., description="支付方式")
    payment_status: str = Field(..., description="支付状态")
    accounting_status: str = Field(..., description="入账状态")
    fiscal_year: int = Field(..., description="会计年度")
    fiscal_period: int = Field(..., description="会计期间")
    is_large_amount: bool = Field(..., description="是否大额费用（>5万）")
    is_cross_border: bool = Field(..., description="是否跨境支付")
    expense_description: Optional[str] = Field(None, description="费用说明")
    related_contract_id: Optional[str] = Field(None, description="关联协议ID")


class ExpenseCreate(ExpenseBase):
    """创建成本费用凭证"""
    pass


class ExpenseUpdate(BaseModel):
    """更新成本费用凭证"""
    voucher_no: Optional[str] = None
    expense_type: Optional[str] = None
    expense_category: Optional[str] = None
    payer_name: Optional[str] = None
    payer_account_no: Optional[str] = None
    payee_name: Optional[str] = None
    payee_account_no: Optional[str] = None
    payee_bank_name: Optional[str] = None
    expense_date: Optional[date] = None
    expense_amount: Optional[float] = None
    tax_amount: Optional[float] = None
    tax_rate: Optional[float] = None
    payment_method: Optional[str] = None
    payment_status: Optional[str] = None
    accounting_status: Optional[str] = None
    fiscal_year: Optional[int] = None
    fiscal_period: Optional[int] = None
    is_large_amount: Optional[bool] = None
    is_cross_border: Optional[bool] = None
    expense_description: Optional[str] = None
    related_contract_id: Optional[str] = None


class ExpenseResponse(ExpenseBase):
    """成本费用凭证响应模型"""
    id: int
    expense_id: str

    class Config:
        from_attributes = True


class ExpenseListResponse(BaseModel):
    """成本费用凭证列表响应模型"""
    records: List[ExpenseResponse]
    total: int
    page: int
    size: int