const assert = require('assert')
const fs = require('fs')
const path = require('path')
const vm = require('vm')

function loadComponentOptions(filePath) {
  const source = fs.readFileSync(filePath, 'utf8')
  const scriptMatch = source.match(/<script>([\s\S]*?)<\/script>/)

  if (!scriptMatch) {
    throw new Error('未找到组件脚本内容')
  }

  const importNames = []
  const importPattern = /^import\s+([A-Za-z0-9_]+)\s+from\s+.*$/gm
  let importMatch = importPattern.exec(scriptMatch[1])
  while (importMatch) {
    importNames.push(importMatch[1])
    importMatch = importPattern.exec(scriptMatch[1])
  }

  const stubImports = importNames.map(name => `const ${name} = {};`).join('\n')
  const transformed = `${stubImports}\n${scriptMatch[1]}`
    .replace(/^import .*$/gm, '')
    .replace(/export default/, 'module.exports =')

  const sandbox = {
    module: { exports: {} },
    exports: {},
    require,
    console
  }

  vm.runInNewContext(transformed, sandbox, { filename: filePath })
  return sandbox.module.exports
}

const filePath = path.resolve(__dirname, '../src/views/loanPricing/workflow/index.vue')
const component = loadComponentOptions(filePath)

assert.strictEqual(typeof component.activated, 'function', '流程列表页应在激活时刷新数据')

let refreshCount = 0
component.activated.call({
  getList() {
    refreshCount += 1
  }
})

assert.strictEqual(refreshCount, 1, '流程列表页激活时应调用一次 getList')

console.log('workflow-index-refresh test passed')