/* jshint node: true */

var passport = require('passport'),
	Entities = require('html-entities').XmlEntities,
	entities = new Entities(),
	crypto = require('crypto'),
	_ = require('lodash'),
	util = require('./util'),
	upload = require('./upload'),
	config = require('../../config.json'),
	User = require('./schemas/User'),
	Documentation = require('./schemas/Documentation'),
	Layout = require('./schemas/Layout');

var api = {

	profile: {
		show: function(req, res){
			User.findOne({ _id: req.user._id }, function(err, user){
				res.json(err || user)
			})
		},
		
		update: function(req, res){
			var data = util.cleanQuery(req.body)
			if (data.new_password && data.new_password.length) {
				if (! data.old_password || ! req.user.checkPassword(data.old_password)) {
					res.json({ error: { errors: { password: { message: "Old password is incorrect" } } } })
				}
				
				var shasum = crypto.createHash('sha1')
				shasum.update(data.new_password)
				password = shasum.digest('hex');
				
				req.user.password = password
			}
			delete data.old_password
			delete data.new_password
			delete data.isStaff
			data.updated_at = new Date ()
			
			if (req.files.avatar) {
				upload.put("avatars", req.files.avatar, {
					unacceptable: function(err){
						res.json({ error: { errors: { avatar: { message: "Problem saving avatar: " + err } } } })
					},
					success: function(url){
						data.photo = url
						done()
					}
				})
			}
			else {
				done()
			}
			
			function done () {
				_.extend( req.user, data )
				req.user.save(function(err, msg) {
					err ? res.json({ status: "FAIL", error: err })
						: res.json({ status: "OK", payload: req.user })
				})
			}
		}
	},
	
	
	docs: {
		show: function(req, res){
			Documentation.findOne({ name: req.query.name }, function(err, doc){
				if (doc) {
					res.json(doc)
				}
				else {
					var name = util.sanitize(req.query.name)
					if (name == "new") {
						name = ""
					}
					res.json({ name: name, isNew: true })
				}
			})
		},

		create: function(req, res){
			var data = util.cleanQuery(req.body)
			data.name = util.sanitize(data.new_name)
			data.displayName = util.sanitize(data.displayName)
			delete data.new_name
			new Documentation(data).save(function(err, doc){
				if (err || ! doc) { return res.json({ error: err }) }
				res.json(doc)
			})
		},

		update: function(req, res){
			var data = util.cleanQuery(req.body)
			if (data.name == "new") {
				return api.docs.create(req, res)
			}
			Documentation.findOne({ name: data.name }, function(err, doc){
				if (err || ! doc) { return res.json({ error: err }) }
				data.name = data.new_name
				delete data.new_name
				_.extend(doc, data)
				doc.save(function(err, doc){
					if (err || ! doc) { return res.json({ error: err }) }
					res.json(doc)
				})
			})
		},
		
		destroy: function(req, res){
			var name = util.sanitize(req.body.name)
			if (! name || ! name.length) {
				res.json({ error: 404 })
				return
			}
			Documentation.remove({ name: name }, function(err){
				res.json({ status: "OK" })
			})
		}
	},
	
	layout: {
		index: function(req, res){
			Layout.find({}, function(err, docs){
				res.json(docs)
			})
		},

		show: function(req, res){
			Layout.findOne({ slug: req.params.slug }, function(err, doc){
				if (doc) {
					res.json(doc)
					return
				}
				else {
					var name = util.sanitize(req.params.slug)
					if (name == "new") {
						name = ""
					}
					res.json({ _id: "new", name: name, isNew: true })
				}
			})
		},

		create: function(req, res){
			var data = util.cleanQuery(req.body)
			data.name = util.sanitize(data.name)
			data.slug = util.slugify(data.name)
			data.user_id = req.user._id
			data.rooms = JSON.parse(data.rooms)
			data.startPosition = JSON.parse(data.startPosition)

			upload.put("layouts", req.files.thumbnail, {
				unacceptable: function(err){
					res.json({ error: { errors: { thumbnail: { message: "Problem saving thumbnail: " + err } } } })
				},
				success: function(url){
					data.photo = url
					done()
				}
			})

			function done() {
				new Layout(data).save(function(err, doc){
					if (err || ! doc) { return res.json({ error: err }) }
					res.json(doc)
				})
			}
		},

		update: function(req, res){
			var _id = req.body._id
			if (_id == "new") {
				return api.docs.create(req, res)
			}

			var data = util.cleanQuery(req.body)
			data.name = util.sanitize(data.name)
			data.slug = util.slugify(data.name)
			data.user_id = req.user._id

			upload.put("layouts", req.files.thumbnail, {
				unacceptable: function(err){
					res.json({ error: { errors: { thumbnail: { message: "Problem saving thumbnail: " + err } } } })
				},
				success: function(url){
					data.photo = url
					done()
				}
			})

			function done() {
				Layout.findOne({ _id: _id }, function(err, doc){
					if (err || ! doc) { return res.json({ error: err }) }
					_.extend(doc, data)
					doc.rooms = JSON.parse(data.rooms)
					doc.startPosition = JSON.parse(data.startPosition)

					doc.save(function(err, doc){
						if (err || ! doc) { return res.json({ error: err }) }
						res.json(doc)
					})
				})
			}
		},

		destroy: function(req, res){
			var _id = req.body._id
			if (! id || ! id.length) {
				res.json({ error: 404 })
				return
			}
			Layout.remove({ _id: _id }, function(err){
				res.json({ status: "OK" })
			})
		},
	}

}


module.exports = api