import test from 'node:test'
import assert from 'node:assert/strict'
import fs from 'node:fs'
import path from 'node:path'
import vm from 'node:vm'

const detailFile = path.resolve('pagesHome/activityDetail.vue')

function loadHandleApply ({ activityLimit, valueLimit, parentLoveValue, couponIds = [] }) {
  const source = fs.readFileSync(detailFile, 'utf8')
  const start = source.indexOf('\tconst handleApply = async () => {')
  const end = source.indexOf('\n\t//取消报名', start)
  assert.notEqual(start, -1, '应找到立即报名方法')
  assert.notEqual(end, -1, '应找到立即报名方法结束位置')

  const navigations = []
  const fail = { value: false }
  const context = {
    activityInfo: {
      value: {
        id: 'activity-1',
        activityLimit,
        valueLimit,
        userLevel: 0
      }
    },
    fail,
    getUserLoveTicket: () => Promise.resolve({ loveValue: parentLoveValue, couponIds }),
    proxy: { $showModal: () => {} },
    uni: {
      getStorageSync: () => JSON.stringify({ id: 'parent-1', userLevel: 0 }),
      navigateTo: options => navigations.push(options)
    },
    encodeURIComponent,
    JSON
  }
  vm.createContext(context)
  vm.runInContext(`${source.slice(start, end)}\nthis.handleApply = handleApply`, context)

  return { handleApply: context.handleApply, fail, navigations }
}

test('家长爱心值为零时仍可进入报名页并由后端校验所选孩子余额', async () => {
  const { handleApply, fail, navigations } = loadHandleApply({
    activityLimit: 1,
    valueLimit: 10,
    parentLoveValue: 0
  })

  await handleApply()

  assert.equal(fail.value, false)
  assert.equal(navigations.length, 1)
  assert.match(navigations[0].url, /^\/pagesHome\/activityApply\?activity=/)
})