"""API 响应模型"""
from pydantic import BaseModel
from typing import Optional, List, Any
from datetime import datetime

class CollectionResponse(BaseModel):
    """藏品响应"""
    id: int
    name: str
    category: Optional[str] = None
    serial_number: Optional[str] = None
    rarity: str = "通货"
    ownership_type: str = "自持"
    is_graded: bool = False
    grading_company: Optional[str] = None
    grading_score: Optional[str] = None
    cost_price: Optional[float] = None
    current_price: Optional[float] = None
    status: str = "in_collection"
    remark: Optional[str] = None
    created_at: datetime
    updated_at: datetime

class PriceHistoryResponse(BaseModel):
    """价格历史响应"""
    id: int
    collection_id: Optional[int] = None
    source: str
    price: float
    price_unit: str = "元/张"
    price_type: str = "挂牌价"
    url: Optional[str] = None
    crawled_at: datetime

class CrawlLogResponse(BaseModel):
    """爬虫日志响应"""
    id: int
    source: str
    status: str
    items_count: int = 0
    error_message: Optional[str] = None
    started_at: Optional[datetime] = None
    finished_at: Optional[datetime] = None

class StatisticsResponse(BaseModel):
    """统计信息响应"""
    total_collections: int = 0
    total_price_records: int = 0
    today_price_records: int = 0
    last_crawl_time: Optional[datetime] = None
    category_stats: dict = {}