import express from 'express'
import template from 'express-art-template'
import fs from 'fs'
import lodash from 'lodash'

/*
* npm run app web-debug开启Bot后
* 可另外通过 npm run web 开启浏览器调试
* 访问 http://localhost:8000/ 即可看到对应页面
* 页面内的资源需使用 {{_res_path}}来作为resources目录的根目录
* 可编辑模板与页面查看效果
* todo: 预览页面的热更
*
* */

let app = express()

let _path = process.cwd()

app.engine('html', template)
app.set('views', _path + '/resources/')
app.set('view engine', 'art')
app.use(express.static(_path + '/resources'))
app.use('/plugins', express.static('plugins'))

app.get('/', function (req, res) {
  let pluginList = fs.readdirSync(_path + '/temp/ViewData/') || []
  let html = [
    '在npm run web-dev模式下触发截图消息后，可在下方选择页面进行调试',
    '如果页面内资源路径不正确请使用{{_res_path}}作为根路径，对应之前的../../../../',
    '可直接修改模板html或css刷新查看效果'
  ]
  let li = {}
  for (let pIdx in pluginList) {
    const plugin = pluginList[pIdx]
    let fileList = fs.readdirSync(_path + `/temp/ViewData/${plugin}/`) || []
    for (let idx in fileList) {
      let ret = /(.+)\.json$/.exec(fileList[idx])
      if (ret && ret[1]) {
        let text = [plugin, ...ret[1].split('_')]
        li[text.join('')] = (`<li style="font-size:18px; line-height:30px;"><a href="/${plugin}_${ret[1]}">${text.join(' / ')}</a></li>`)
      }
    }
  }
  res.send(html.join('</br>') + '<ul>' + lodash.values(li).join('') + '</ul>')
})

app.get('/:page', function (req, res) {
  let [plugin, app, ...page] = req.params.page.split('_')
  page = page.join('_')
  if (plugin == 'favicon.ico') {
    return res.send('')
  }
  let data = JSON.parse(fs.readFileSync(_path + `/temp/ViewData/${plugin}/${app}_${page}.json`, 'utf8'))
  data = data || {}
  data._res_path = ''
  data._sys_res_path = data._res_path

  if (data._plugin) {
    data._res_path = `/plugins/${data._plugin}/resources/`
    data.pluResPath = data._res_path
  }
  let htmlPath = ''
  let tplPath = `${app}/${htmlPath}${page}/${page}.html`
  if (data._plugin) {
    tplPath = `../plugins/${data._plugin}/resources/${htmlPath}/${app}/${page.split('_').join('/')}.html`
  } else if (data._no_type_path) {
    tplPath = `${app}/${page}.html`
  }
  res.render(tplPath, data)
})

app.listen(8000)
console.log('页面服务已启动，触发消息图片后访问 http://localhost:8000/ 调试页面')