'use strict'
const path = require('path')
const config = require('../config')
const ExtractTextPlugin = require('extract-text-webpack-plugin')
const packageConfig = require('../package.json')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const merge = require('webpack-merge')
const glob = require('glob')
const pathSrc = path.resolve(__dirname, '../src') // F:\webui\multiple-pages\demo\src
const devPathSrc = path.resolve(__dirname, '../../../src') // node_modules应用下

// 指定开发模式下需要加载的模块（可以做到只加载当前模块，提高开发效率）
// index模块（登录）为必须，all 为所有
//    登录     合同                       首页       内转     排队   资源   销售                       零星物资
// ['index','appoint'，'configManager','homepage',''inward,'queue','RMS','sale','serviceManager','SporadicManage'
//       统计报表       组织机构/系统管理 采购  仓储
//  'statisticalReport','systemConfig','TMS','WMS','workFlow']
//let devModules = ["index", "statisticalReport", "appoint", "sale"];
let devModules = ['all']

if (pathSrc.indexOf('node_modules') > -1) {
  devModules = require('../../../cors.js').devModules
}
// 获取入口集合
const getEntries = function(suffix, polyfill) {
  // 自动获取
  const entryHtml = glob.sync(pathSrc + '/views/**/app.html') // 根据html来
  const devEntryHtml = glob.sync(devPathSrc + '/views/**/app.html') // 根据html来
  const entries = {}
  let setEntries = function(filePath, _chunk) {
    _chunk = _chunk.substring(0, _chunk.lastIndexOf('/'))
    let flag = true
    flag = false
    for (let item of devModules) {
      if (item && (_chunk.indexOf('views/' + item) >= 0 || item === 'all')) {
        flag = true
        break
      }
    }
    if (flag) {
      let arr = _chunk.split('/'),
        larr = [],
        rarr = []
      console.log('arr: ', arr)
      larr = arr.slice(0, 2)
      _chunk = larr.join('/')
      if (arr.length > 2) {
        rarr = arr.slice(2, arr.length)
        _chunk = _chunk + '/' + rarr.join('-')
      }
      if (suffix) {
        filePath = filePath.replace('.html', suffix)
      }
      if (polyfill) {
        entries[_chunk] = ['babel-polyfill', filePath]
      } else {
        entries[_chunk] = filePath
      }
    }
  }
  entryHtml.forEach(filePath => {
    // views/index/app.html --> views/index   chunk有'/'则js/css会有相应的目录
    let _chunk = filePath.split(pathSrc.replace(/\\/g, '/') + '/')[1] // views/index/app.html
    setEntries(filePath, _chunk)
  })
  devEntryHtml.forEach(filePath => {
    // views/index/app.html --> views/index   chunk有'/'则js/css会有相应的目录
    let _chunk = filePath.split(devPathSrc.replace(/\\/g, '/') + '/')[1] // views/index/app.html
    setEntries(filePath, _chunk)
  })
  return entries
}
// 多入口配置（入口JS固定为main.js）
exports.entries = function() {
  // ['babel-polyfill', './src/main.js']
  let _entries = getEntries('.js', true)
  return _entries
}
//多页面输出配置
exports.htmlPlugins = function() {
  let entryHtmls = getEntries('.html')
  let arr = []
  for (let _chunk in entryHtmls) {
    console.log('loading chunk:', _chunk)
    // _chunk ：views/index/index
    let conf = {
      favicon: pathSrc + '/assets/img/favicon.ico', //favicon路径，通过webpack引入同时可以生成hash值
      template: entryHtmls[_chunk], // html模板路径
      // filename: 'views/' + fileName, // 生成的html存放路径，相对于path
      filename: _chunk + '.html',
      chunks: [_chunk],
      inject: true // js插入的位置，true/'head'/'body'/false
    }
    if (process.env.NODE_ENV === 'production') {
      console.log('package content: ', _chunk)
      conf = merge(conf, {
        chunks: ['manifest', 'vendor', _chunk],
        minify: {
          // removeAttributeQuotes: true, // 删除可删除的引号
          removeComments: true, // 移除HTML中的注释
          collapseWhitespace: true // 删除空白符与换行符
        },
        chunksSortMode: 'dependency'
      })
    }
    arr.push(new HtmlWebpackPlugin(conf))
  }
  console.log('arr:', arr)
  return arr
}

exports.assetsPath = function(_path) {
  const assetsSubDirectory =
    process.env.NODE_ENV === 'production'
      ? config.build.assetsSubDirectory
      : config.dev.assetsSubDirectory

  return path.posix.join(assetsSubDirectory, _path)
}

exports.cssLoaders = function(options) {
  options = options || {}

  const cssLoader = {
    loader: 'css-loader',
    options: {
      sourceMap: options.sourceMap
    }
  }

  const postcssLoader = {
    loader: 'postcss-loader',
    options: {
      sourceMap: options.sourceMap
    }
  }

  // generate loader string to be used with extract text plugin
  function generateLoaders(loader, loaderOptions) {
    const loaders = options.usePostCSS
      ? [cssLoader, postcssLoader]
      : [cssLoader]

    if (loader) {
      loaders.push({
        loader: loader + '-loader',
        options: Object.assign({}, loaderOptions, {
          sourceMap: options.sourceMap
        })
      })
    }

    // Extract CSS when that option is specified
    // (which is the case during production build)
    if (options.extract) {
      return ExtractTextPlugin.extract({
        use: loaders,
        // 解决打包后背景图片路径不对的问题
        // static/css/views/index/index.css
        // ../../../../static/img/xx.jpg
        publicPath: '../../../', // 注意: 此处根据路径, 自动更改
        fallback: 'vue-style-loader'
      })
    } else {
      return ['vue-style-loader'].concat(loaders)
    }
  }

  // https://vue-loader.vuejs.org/en/configurations/extract-css.html
  return {
    css: generateLoaders(),
    postcss: generateLoaders(),
    less: generateLoaders('less'),
    sass: generateLoaders('sass', {
      indentedSyntax: true
    }),
    scss: generateLoaders('sass'),
    stylus: generateLoaders('stylus'),
    styl: generateLoaders('stylus')
  }
}

// Generate loaders for standalone style files (outside of .vue)
exports.styleLoaders = function(options) {
  const output = []
  const loaders = exports.cssLoaders(options)

  for (const extension in loaders) {
    const loader = loaders[extension]
    output.push({
      test: new RegExp('\\.' + extension + '$'),
      use: loader
    })
  }

  return output
}

exports.createNotifierCallback = () => {
  const notifier = require('node-notifier')

  return (severity, errors) => {
    if (severity !== 'error') return

    const error = errors[0]
    const filename = error.file && error.file.split('!').pop()

    notifier.notify({
      title: packageConfig.name,
      message: severity + ': ' + error.name,
      subtitle: filename || '',
      icon: path.join(__dirname, 'logo.png')
    })
  }
}