import fs from 'fs'
import path from 'path'
import config from './custom.page.js'

const { pages, pagesInclude } = config

const getPages = () => {
  const srcPath = path.resolve(__dirname, pages)
  // 所有的模块
  const allModule = fs.readdirSync(srcPath)
  // console.log('allModule',allModule);
  // 指定的完整模块
  const completeModule = pagesInclude.filter((item) => item.indexOf('.vue') === -1)
  // console.log('completeModule',completeModule);
  // 需要排除的整个模块
  const excludeModule = allModule.filter((item) => !completeModule.includes(item))
  // console.log('excludeModule',excludeModule);
  // 指定特定页面的模块
  const targetpageModule = pagesInclude.filter((item) => item.indexOf('.vue') >= 0)
  // console.log(targetpageModule);
  const targetModule = targetpageModule.reduce((acc, cur) => {
    const [dir, file] = cur.split('/')
    if (Array.isArray(acc[dir])) {
      acc[dir].push(file)
    } else {
      acc[dir] = [file]
    }
    return acc
  }, {})
  // 需要排除的特定的页面
  const excludePages = []
  Object.keys(targetModule).forEach((ele, index) => {
    if (excludeModule.includes(ele)) {
      excludeModule.splice(excludeModule.indexOf(ele), 1)
    }
    const targetPages = fs
      .readdirSync(path.resolve(__dirname, pages, ele))
      .filter((element) => element.indexOf('.vue') >= 0)
    const targetExclude = targetPages
      .filter((elem) => !targetModule[ele].includes(elem))
      .map((current) => `${ele}/${current}`)
    excludePages.push(...targetExclude)
  })
  console.log('排除的模块以及页面', [...excludeModule, ...excludePages])
  return {
    exclude: [...excludeModule, ...excludePages],
    targetModule,
  }
}

export default getPages