NotificationsBuilder = require("../Notifications/NotificationsBuilder")
async = require("async")
_ = require("underscore")
settings = require("settings-sharelatex")
SubscriptionGroupHandler = require("./SubscriptionGroupHandler")

module.exports = SubscriptionDomainHandler =


	getLicenceUserCanJoin: (user)->
		licence = SubscriptionDomainHandler._findDomainLicence(user.email)
		return licence

	attemptToJoinGroup: (user, callback)->
		licence = SubscriptionDomainHandler._findDomainLicence(user.email)
		if licence? and user.emailVerified
			SubscriptionGroupHandler.addUserToGroup licence.adminUser_id, user.email, (err)->
				if err?
					logger.err err:err, "error adding user to group"
					return callback(err)
				NotificationsBuilder.groupPlan(user, licence).read()
		else
			callback "user not verified"

	rejectInvitationToGroup: (user, subscription, callback)->
		removeUserFromGroup(subscription.admin_id, user._id, callback)


	getDomainLicencePage: (user)->
		licence = SubscriptionDomainHandler._findDomainLicence(user.email)
		if licence?.verifyEmail
			return "/user/subscription/#{licence.subscription_id}/group/invited"
		else
			return undefined

	autoAllocate: (user, callback = ->)->
		licence = SubscriptionDomainHandler._findDomainLicence(user.email)
		if licence?
			SubscriptionGroupHandler.addUserToGroup licence.adminUser_id, user.email, callback
		else
			callback()

	_findDomainLicence: (email)->
		licence = _.find settings.domainLicences, (licence)->
			_.find licence.domains, (domain)->
				regex = "[@\.]#{domain}"
				return email.match(regex)

		return licence

	findDomainLicenceBySubscriptionId: (subscription_id)->
		licence = _.find settings.domainLicences, (licence)->
			licence?.subscription_id == subscription_id
		return licence