import axios from 'axios'

const service = axios.create({
  baseURL: import.meta.env.VITE_API_BASE_URL,
  timeout: 15000,
})

const VISITOR_KEY = 'huicai_visitor_key'
const VISIT_MARK = 'huicai_visit_mark'

function randomKey() {
  return `${Date.now()}_${Math.random().toString(36).slice(2, 12)}`
}

export function getVisitorKey() {
  let key = localStorage.getItem(VISITOR_KEY)
  if (!key) {
    key = randomKey()
    localStorage.setItem(VISITOR_KEY, key)
  }
  return key
}

function todayMark(path) {
  return `${new Date().toISOString().slice(0, 10)}:${path}`
}

export function trackVisit(route) {
  const path = route.fullPath || route.path || '/'
  const mark = todayMark(path)
  if (localStorage.getItem(VISIT_MARK) === mark) return
  localStorage.setItem(VISIT_MARK, mark)
  service.post('/site/visit', {
    visitor_key: getVisitorKey(),
    path,
    page_title: route.meta?.title || document.title || path,
  })
}

export function trackPageView(route) {
  service.post('/site/page-view', {
    visitor_key: getVisitorKey(),
    path: route.fullPath || route.path || '/',
    page_title: route.meta?.title || document.title || route.path || '/',
    referrer: document.referrer || '',
  })
}