from pydantic import BaseModel
from typing import List

# 1. 核心指标统计
class StatsData(BaseModel):
    totalOrders: int
    totalRevenue: int    # 单位：分
    activeUsers: int
    pendingTickets: int
    successRate: str

# 2. 营收趋势 (最近7天)
class RevenueTrendItem(BaseModel):
    date: str            # 格式: MM-DD
    amount: float        # 单位：元 (Service层做了 /100 处理)
    orders: int

# 3. 商品销量分布
class ProductDistItem(BaseModel):
    name: str            # 商品标题
    value: int           # 销量

# 4. 最新动态
class ActivityItem(BaseModel):
    id: str              # 唯一标识 (e.g., "order_123")
    text: str            # 显示文本
    time: str            # 相对时间 (e.g., "10分钟前")
    type: str            # 类型: order, money, ticket, system

# === 主响应模型 ===
class VasStatisticsOverviewOut(BaseModel):
    stats: StatsData
    revenue_trend: List[RevenueTrendItem]
    product_dist: List[ProductDistItem]
    recent_activities: List[ActivityItem]