# app/schemas/statistics.py (或者定义在你的 schemas 文件中)

from pydantic import BaseModel, Field
from typing import List

# 1. 核心指标统计
class StatsData(BaseModel):
    totalOrders: int = Field(..., description="本月订单总数")
    totalOrdersTrend: float = Field(..., description="订单环比增长率，例如 12.5 代表 +12.5%") # 新增字段
    
    totalRevenue: int = Field(..., description="本月总营收 (单位：分)")
    totalRevenueTrend: float = Field(..., description="营收环比增长率，例如 -5.0 代表 -5.0%") # 新增字段
    
    activeUsers: int = Field(..., description="总活跃用户数")
    pendingTickets: int = Field(..., description="待处理工单数")
    successRate: str = Field(..., description="机器人任务成功率")

# 2. 营收趋势 (最近7天)
class RevenueTrendItem(BaseModel):
    date: str = Field(..., description="日期，格式 MM-DD")
    amount: float = Field(..., description="营收金额 (单位：元)") # 注意：Service层已除以100
    orders: int = Field(..., description="订单数")

# 3. 商品销量分布
class ProductDistItem(BaseModel):
    name: str = Field(..., description="商品名称")
    value: int = Field(..., description="销量")
    
class ActiveTaskGroupItem(BaseModel):
    routing_key: str = Field(..., description="任务队列/Routing Key")
    count: int = Field(..., description="活跃任务数量")

# 4. 最新动态
class ActivityItem(BaseModel):
    id: str = Field(..., description="唯一标识")
    text: str = Field(..., description="显示文本")
    time: str = Field(..., description="相对时间描述，如'10分钟前'")
    type: str = Field(..., description="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]
    active_tasks_dist: List[ActiveTaskGroupItem]