### Global Controller

	nodemailer = require 'nodemailer'
	twilio = require 'twilio'

	module.exports = (app) ->

		return {

#### before_all

Put things in here if you want them to happen before any other middleware.

			before_all: (req, res, next) ->
				app.log "#{req.method} #{req.originalUrl}"
				app.log "req.params: #{req.params}" if Object.keys(req.params).length > 0
				app.log "req.body: #{JSON.stringify(req.body)}" if Object.keys(req.body).length > 0
				next()

#### configured

Put things in here if you want them to happen before any other middleware.

			configured: (req, res, next) ->
				if app.isSetup()
					next()
				else 
					res.redirect '/setup'

#### api

Validates `api/` endpoints.

			api: (req, res, next) ->
				if req.session.api_token?
					next()
				else 
					res.json { error: 'Unauthorized' }, 401

#### set_config

Sets the app's config. See [here](https://github.com/merciba/ecrit/blob/master/factory/server/models/Config.litcoffee) to view the config's schema.

			set_config: (req, res, next) ->
				if req.body.config?
					req.body.config.app_id = app.data_config.app_id
					req.body.config.app_url = app.data_config.app_url
					
					if app.isSetup()
						query = { app_id: app.data_config.app_id }
						app.models.config.update query, req.body.config, (err, config) ->
							if err
								app.error err
								res.json { error: err }, 500
							else
								app.config = config
								app.dialog "App #{config.app_name} Successfully Updated!"
								next()
					else
						app.models.config.create req.body.config, (err, config) ->
							if config
								app.config = config
								app.dialog "App #{config.app_name} Successfully Configured!"
								next()
							else
								app.error err
				else
					app.error "Invalid or Empty Request"
					res.json { error: "Invalid or Empty Request" }, 500

#### configure_app_email

Configures app's email address.

			configure_app_email: (req, res, next) ->
				if (app.isSetup() and app.config.app_auth_type is ('email' or 'two-factor')) or (not app.isSetup() and req.body.config.app_auth_type is ('email' or 'two-factor')) 
					app_email_service = if app.isSetup() then app.config.email_service else req.body.config.app_email_service
					app_email = if app.isSetup() then app.config.app_email else req.body.config.app_email
					app_email_password = if app.isSetup() then app.config.app_email_password else req.body.config.app_email_password

					if app_email_service and app_email and app_email_password
						app.postman = nodemailer.createTransport { service: app_email_service, auth: { user: app_email, pass: app_email_password } }
						app.dialog "Email configured."
						next()
					else
						app.error "Invalid or Empty Email Credentials"
						res.json { error: "Invalid or Empty Email Credentials" }, 500

				else if (app.isSetup() and app.config.app_auth_type is 'phone') or (not app.isSetup() and req.body.config.app_auth_type is 'phone')
					app.info "Email does not need to be configured."
					next()
				else 
					app.error "Invalid or Empty Email Credentials"
					res.json { error: "Invalid or Empty Email Credentials" }, 500

#### configure_app_sms

Configures app's SMS text-message functionality

			configure_app_sms: (req, res, next) ->
				if (app.isSetup() and app.config.app_auth_type is ('phone' or 'two-factor')) or (not app.isSetup() and req.body.config.app_auth_type is ('phone' or 'two-factor')) 
					
					sid = if app.isSetup() then app.config.app_twilio_sid else req.body.config.app_twilio_sid
					authToken = if app.isSetup() then app.config.app_twilio_authToken else req.body.config.app_twilio_authToken
					
					if sid and authToken
						app.sms = twilio sid, authToken
						app.sms.incomingPhoneNumbers.get (err, data) ->
							if err
								app.error "Your app must have a Twilio phone number to provision for auth. Go to https://www.twilio.com/user/account/phone-numbers/incoming for more info."
								res.json { error: "Your app must have a Twilio phone number to provision for auth. Go to https://www.twilio.com/user/account/phone-numbers/incoming for more info." }, 500 
							else
								app.dialog "Phone configured."
								app.phone_number = data.incoming_phone_numbers[0].phone_number
								next()
					else
						app.error "Invalid or Empty Twilio Credentials"
						res.json { error: "Invalid or Empty Twilio Credentials" }, 500

				else if (app.isSetup() and app.config.app_auth_type is 'email') or (not app.isSetup() and req.body.config.app_auth_type is 'email')
					app.log "Phone does not need to be configured."
					next()
				else
					app.error "Invalid or Empty Twilio Credentials"
					res.json { error: "Invalid or Empty Twilio Credentials" }, 500

		}