const { Service } = require('flitter-di')

class ActivityService extends Service {
    static get services() { return ['models', 'jobs'] }

    model() {
        return this.models.get('Activity')
    }

    async login(req) {
        const Activity = this.model()
        const activity = new Activity({
            user_id: req.session.auth.user_id,
            session_id: req.session.id,
            action: 'login',
            metadata: {
                ip: req.ip
            }
        })

        // If this is a new IP login, send an e-mail alert
        const foreign_ip = await this.foreign_login_ip(req.session.auth.user_id, req.ip)
        if ( foreign_ip ) {
            await this.jobs.queue('notifications').add('ForeignIPLoginAlert', {
                ip: req.ip,
                user_id: req.session.auth.user_id,
            })
        }

        await activity.save()
    }

    async foreign_login_ip(user_id, ip) {
        const Activity = this.model()
        const existing_ip = await Activity.findOne({
            user_id,
            action: 'login',
            'metadata.ip': ip,
        })

        return !existing_ip
    }
}

module.exports = exports = ActivityService