import { request } from '@/utils/request'

/** 概览数据 */
export interface Overview {
  expense: number
  income: number
  count: number
  daily: number
}

/** 分类统计 */
export interface CategoryStat {
  id: number
  name: string
  icon: string
  color: string
  amount: number
  count: number
}

/** 趋势数据点 */
export interface TrendPoint {
  date: string
  amount: number
}

/** 获取概览数据 */
export function getOverview(params?: { month?: string; startDate?: string; endDate?: string }) {
  return request<Overview>({ url: '/stats/overview', data: params })
}

/** 获取分类统计 */
export function getCategoryStats(month?: string, type: string = 'expense') {
  return request<CategoryStat[]>({ url: '/stats/category', data: { month, type } })
}

/** 获取趋势数据 */
export function getTrend(month?: string, type: string = 'expense') {
  return request<TrendPoint[]>({ url: '/stats/trend', data: { month, type } })
}