#!/usr/bin/env node
const cache = require('./cache')
const parse = require('url').parse
require('./provider/insure').disable = true

const router = {
  qq: require('./provider/qq'),
  xiami: require('./provider/xiami'),
  baidu: require('./provider/baidu'),
  kugou: require('./provider/kugou'),
  kuwo: require('./provider/kuwo'),
  migu: require('./provider/migu'),
  joox: require('./provider/joox')
}

const distribute = (url, router) =>
  Promise.resolve().then(() => {
    const route = url.pathname
      .slice(1)
      .split('/')
      .map(path => decodeURIComponent(path))
    let pointer = router,
      argument = decodeURIComponent(url.query)
    try {
      argument = JSON.parse(argument)
    } catch (e) {}
    const miss = route.some(path => {
      if (path in pointer) pointer = pointer[path]
      else return true
    })
    if (miss || typeof pointer != 'function') return Promise.reject()
    // return pointer.call(null, argument)
    return cache(pointer, argument, 15 * 60 * 1000)
  })

require('http')
  .createServer()
  .listen(parseInt(process.argv[2]) || 9000)
  .on('request', (req, res) =>
    distribute(parse(req.url), router)
      .then(data => res.write(data))
      .catch(() => res.writeHead(404))
      .then(() => res.end())
  )