/**
 * 路由
 * @authors yutent (yutent@doui.cc)
 * @date    2015-10-01 19:11:19
 *
 */
'use strict'

export default function(req, res, next) {
  if (!this.__MODULES__[req.app]) {
    if (!this.__MODULES__.__error__) {
      res.error(`The app [${req.app}] not found`, 404)
    } else {
      res.error(
        this.get('debug')
          ? this.__MODULES__.__error__.stack
          : this.__MODULES__.__error__,
        500
      )
    }
    return
  }

  try {
    if (req.path.length < 1) {
      req.path.push('index')
    }

    this.__MODULES__[req.app].then(Mod => {
      var app = new Mod({ ctx: this, req, res })

      if (this.get('routeMode') === 1) {
        var act = req.path.shift()

        if (app[act + 'Action']) {
          app[act + 'Action'].apply(app, req.path).catch(err => {
            res.error(this.get('debug') ? err.stack || err : err, 500)
          })
        } else {
          res.error(`Action[${act}] not found`, 404)
        }
      } else {
        if (app.indexAction) {
          app.indexAction.apply(app, req.path).catch(err => {
            res.error(this.get('debug') ? err.stack || err : err, 500)
          })
        } else {
          res.error(`Default Action not found`, 404)
        }
      }
    })
  } catch (err) {
    res.error(this.get('debug') ? err.stack || err : err, 500)
  }
}