/* jshint node: true */

var _ = require('lodash'),
  auth = require('../auth'),
	util = require('../util'),
	upload = require('../upload'),
	config = require('../../../config.json'),
	User = require('../schemas/User'),
	Collaborator = require('../schemas/Collaborator'),
	Project = require('../schemas/Project');

var collaborator = {

	join: function(req, res){
	  var nonce = req.params.nonce
	  if (! nonce || ! nonce.length) { return res.json({ error: "invalid invite code" }) }
	  Collaborator.findOne({ nonce: nonce }, function(err, collaborator){
	    if (err || ! collaborator) { return res.json({ error: "can't find collaborator" }) }
	    collaborator.user_id = req.user._id
	    collaborator.nonce = ""
			collaborator.save(function(err, collaborator){
        Project.findOne({ _id: collaborator.project_id }, function(err, project){
          if (err || ! project) { return res.json({ error: err }) }
          res.redirect("/project/" + project.slug + "/edit")
        })
      })
	  })
	},

  //

  index: function(req, res){
    if (! req.project) {
      return res.json({ error: "can't find project" })
    }
    if (String(req.project.user_id) !== String(req.user._id)) { return res.json({ error: "insufficient permission" }) }
    Collaborator.find({ project_id: req.project._id }, function(err, collaborators){
      var user_ids = _.pluck(collaborators, "user_id").filter(function(id){ return !! id })
      User.find({ _id: user_ids }, "username displayName photo", function(err, users){
        if (! user_ids) {
          return res.json(collaborators)          
        }
        var userIndex = _.indexBy(users, '_id')
        collaborators = collaborators.map(function(collaborator){
          var obj = collaborator.toObject()
          obj.user = userIndex[ obj.user_id ]
          return obj
        })
        collaborators.unshift( { user: req.user.toObject(), owner: true } )
        res.json(collaborators)
      })
    })
  },

	create: function(req, res){
    if (! req.project) {
      return res.json({ error: "can't find project" })
    }
		var data = util.cleanQuery(req.body)
    data.email = util.trim( util.sanitize( data.email ) )
		data.project_id = req.project._id
		delete data.user_id

    Collaborator.makeNonce(function(nonce){
      data.nonce = nonce

      new Collaborator(data).save(function(err, collaborator){
        if (err || ! collaborator) { return res.json({ error: err }) }
        console.log(collaborator)
        res.json(collaborator)
				auth.mail.collaborator(req.project, req.user, collaborator, function(){})
      })
    })
	},
	
	destroy: function(req, res){
    if (! req.project) {
      return res.json({ error: "can't find project" })
    }
    if (String(req.project.user_id) !== String(req.user._id)) {
      return res.json({ error: "insufficient permission" })
    }
    Collaborator.remove({ _id: req.body._id }, function(err){
      res.json({ status: "OK" })
    })
	}
}

module.exports = collaborator