"""Pydantic schemas - 报价单管理"""
from pydantic import BaseModel, Field
from typing import Optional, List
from datetime import datetime
from decimal import Decimal


class QuotationItemBase(BaseModel):
    """报价单项基础字段"""
    product_id: str = Field(..., description="商品ID")
    unit_id: str = Field(..., description="单位ID")
    price: Decimal = Field(..., description="单价")


class QuotationItemCreate(QuotationItemBase):
    """创建报价单项请求"""
    pass


class QuotationItemUpdate(BaseModel):
    """更新报价单项请求"""
    unit_id: Optional[str] = None
    price: Optional[Decimal] = None


class QuotationItemResponse(QuotationItemBase):
    """报价单项响应"""
    id: str
    quotation_id: str
    is_del: int
    create_at: Optional[datetime] = None

    class Config:
        from_attributes = True


class QuotationBase(BaseModel):
    """报价单基础字段"""
    inquiry_id: str = Field(..., description="询价单ID")
    items: List[QuotationItemCreate] = Field(default_factory=list, description="报价项列表")


class QuotationCreate(QuotationBase):
    """创建报价单请求"""
    pass


class QuotationUpdate(BaseModel):
    """更新报价单请求"""
    items: Optional[List[QuotationItemCreate]] = None


class QuotationResponse(BaseModel):
    """报价单响应"""
    id: str
    inquiry_id: str
    supplier_id: str
    region_id: str
    status: str
    total_amount: Decimal
    submit_time: Optional[datetime] = None
    is_del: int
    create_at: Optional[datetime] = None
    create_by: Optional[str] = None
    create_name: Optional[str] = None
    update_at: Optional[datetime] = None

    class Config:
        from_attributes = True


class QuotationDetailResponse(QuotationResponse):
    """报价单详情响应（包含报价项）"""
    items: List[QuotationItemResponse] = []


class QuotationListResponse(BaseModel):
    """报价单列表响应"""
    items: List[QuotationResponse]
    total: int
    page: int
    pageSize: int
    totalPages: int


class QuotationStatusResponse(BaseModel):
    """报价单状态更新响应"""
    id: str
    status: str
    message: str = "操作成功"


class QuotationWithSupplierResponse(QuotationResponse):
    """带供应商信息的报价单响应"""
    supplier_name: Optional[str] = None
    supplier_phone: Optional[str] = None
    region_name: Optional[str] = None


class QuotationWithItemsResponse(QuotationDetailResponse):
    """带询价信息的报价单响应"""
    inquiry_title: Optional[str] = None
    inquiry_status: Optional[str] = None
    supplier_name: Optional[str] = None
    supplier_phone: Optional[str] = None
    region_name: Optional[str] = None