import request from '@/utils/request';

/**
 * 获取统计概览数据
 */
export function getStatisticsOverview() {
  return request({
    url: '/dev-api/zsjy/statistics/overview',
    method: 'get'
  });
}

/**
 * 获取专业分布统计
 */
export function getMajorDistribution() {
  return request({
    url: '/dev-api/zsjy/statistics/major',
    method: 'get'
  });
}

/**
 * 获取地区分布统计
 */
export function getRegionDistribution() {
  return request({
    url: '/dev-api/zsjy/statistics/region',
    method: 'get'
  });
}

/**
 * 获取性别比例统计
 */
export function getGenderRatio() {
  return request({
    url: '/dev-api/zsjy/statistics/gender',
    method: 'get'
  });
}

/**
 * 获取报名趋势统计
 * @param {number} days 天数，默认为7天
 */
export function getEnrollmentTrend(days?: number) {
  return request({
    url: '/dev-api/zsjy/statistics/trend',
    method: 'get',
    params: { days }
  });
}

/**
 * 获取状态分布统计
 */
export function getStatusDistribution() {
  return request({
    url: '/dev-api/zsjy/statistics/status',
    method: 'get'
  });
}

// 导出接口类型定义
export interface StatisticsOverview {
  totalEnrollments: number;
  todayEnrollments: number;
  paidCount: number;
  paymentRate: string;
  admittedCount: number;
  admissionRate: string;
  majorDistribution: Array<{[key: string]: any}>;
  regionDistribution: Array<{[key: string]: any}>;
  genderRatio: {[key: string]: number};
  weeklyTrend: Array<{[key: string]: any}>;
  statusDistribution: {[key: string]: number};
}