/* jshint node: true */

var _ = require('lodash'),
	crypto = require('crypto'),
	util = require('../util'),
	upload = require('../upload'),
	config = require('../../../config.json'),
	Blueprint = require('../schemas/Blueprint');

var blueprint = {

	user: function(req, res){
	  var offset = Number(req.query.offset) || 0
	  var limit = Math.min( Number(req.query.limit), 50 ) || 20
	  var query = { user_id: req.user._id }
	  if (req.query.tag) {
	    query.tag = req.query.tag
	  }
		Blueprint.find(query)
			.sort({'created_at': -1})
			.skip(offset)
			.limit(limit)
		  .exec(function(err, media){
				res.json(media || [])
			})
	},
	
	show: function(req, res){
		Blueprint.findOne({ slug: req.params.slug }, function(err, doc){
			if (doc) {
				res.json(doc)
				return
			}
			else {
        Project.count({}, function(err, count){
          var name = "Project #" + (count || 0)
          res.json({ _id: "new", name: name, isNew: true })
        })
			}
		})
	},

	create: function(req, res){
		var data = util.cleanQuery(req.body)
		data.user_id = req.user._id
		data.created_at = new Date ()
		
		if (data.tag) {
		  data.tag = util.sanitize(data.tag)
		}

		new Blueprint(data).save(function(err, rec){
			if (err || ! rec) { return res.json({ error: err }) }
			return res.json(rec)
		})
	},
	
	upload: function(req, res){
		var data = util.cleanQuery(req.body)
		data.user_id = req.user._id
		data.created_at = new Date ()
		data.type = "image"
		
		upload.put("media", req.files.image, {
			username: req.user.username,
			unacceptable: function(err){
				res.json({ error: { errors: { media: { message: "Problem saving image: " + err } } } })
			},
			success: function(url){
				data.url = url
				done()
			}
		})
		
		function done () {
			new Blueprint(data).save(function(err, rec) {
				if (err || ! rec) { return res.json({ error: err }) }
				res.json(rec)
			})
		}
	},
	
	scale: function(req, res){
	  var _id = req.body._id
		var data = util.cleanQuery(req.body)
    if (! _id) { return res.json({ error: 404 }) }
	  Blueprint.findOne({ _id: _id }, function(err, doc){
			if (! doc) { return res.json({ error: 404 }) }
			if (String(doc.user_id) !== String(req.user._id)) { return res.json({ error: 404 }) }
			doc.scale = data.scale
			doc.units = data.units
			doc.line = data.line
			doc.save(function(err, rec){
				if (err || ! rec) { return res.json({ error: err }) }
				res.json(rec)
			})
		})
	},

	update: function(req, res){
	  var _id = req.body._id
		var data = util.cleanQuery(req.body)
    if (! _id) { return res.json({ error: 404 }) }
	  Blueprint.findOne({ _id: _id }, function(err, doc){
			if (! doc) { return res.json({ error: 404 }) }
			if (String(doc.user_id) !== String(req.user._id)) { return res.json({ error: 404 }) }
      
      doc.name = util.sanitize(data.name)
      doc.slug = util.slugify(data.name)
      doc.units = util.sanitize(data.units)
      doc.viewHeight = util.sanitizeNumber(data.viewHeight)
      doc.wallHeight = util.sanitizeNumber(data.wallHeight)
      doc.shapes = JSON.parse(data.shapes)
      doc.startPosition = JSON.parse(data.startPosition)

			doc.save(function(err, rec){
				if (err || ! rec) { return res.json({ error: err }) }
				res.json(rec)
			})
		})
	},
	
	destroy: function(req, res){
		var _id = util.sanitize(req.body._id)
		if (! _id || ! _id.length) {
			res.json({ error: 404 })
			return
		}
		Blueprint.findOne({ _id: _id }, function(err, doc){
			if (! doc) { return res.json({ error: 404 }) }
			if (String(doc.user_id) !== String(req.user._id)) {
				 return res.json({ error: "access denied" })
			}
			Blueprint.remove({ _id: _id }, function(err){
				res.json({ status: "OK" })
			})
		})
	}

}

module.exports = blueprint