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

/** 日志文件信息 */
export interface LogFileInfo {
  name: string
  date: string
  size: number
  modified: string
}

/** 日志统计 */
export interface LogStats {
  today: {
    total: number
    errors: number
    slow: number
    warns: number
  }
  daily: Array<{
    date: string
    total: number
    errors: number
    slow: number
  }>
}

/** 埋点统计 */
export interface TrackStats {
  today: Array<{ event: string; count: number }>
  daily: Array<{ date: string; count: number }>
  events: Array<{ event: string; count: number }>
}

/** 埋点事件 */
export interface TrackEvent {
  id: number
  event: string
  page: string
  data: any
  user_id: number | null
  nickname: string | null
  created_at: string
}

/** 获取日志文件列表 */
export function getLogFiles(): Promise<LogFileInfo[]> {
  return request({ url: '/logs/files' })
}

/** 获取日志统计 */
export function getLogStats(): Promise<LogStats> {
  return request({ url: '/logs/stats' })
}

/** 查询日志 */
export function queryLogs(params: {
  date: string
  level?: string
  keyword?: string
  page?: number
  pageSize?: number
}): Promise<{ lines: string[]; total: number; page: number; pageSize: number }> {
  const { date, ...rest } = params
  // 过滤掉 undefined 值，防止被序列化为 "undefined" 字符串
  const queryParams: Record<string, any> = {}
  for (const [key, value] of Object.entries(rest)) {
    if (value !== undefined) queryParams[key] = value
  }
  return request({ url: `/logs/${date}`, data: queryParams })
}

/** 获取埋点统计 */
export function getTrackStats(): Promise<TrackStats> {
  return request({ url: '/logs/track/stats' })
}

/** 查询埋点事件 */
export function queryTrackEvents(params?: {
  event?: string
  page?: number
  pageSize?: number
}): Promise<{ list: TrackEvent[]; total: number; page: number; pageSize: number }> {
  // 过滤掉 undefined 值
  const queryParams: Record<string, any> = {}
  if (params) {
    for (const [key, value] of Object.entries(params)) {
      if (value !== undefined) queryParams[key] = value
    }
  }
  return request({ url: '/logs/track/list', data: queryParams })
}