const { Controller } = require('libflitter')

class ReflectController extends Controller {
    static get services() {
        return [...super.services, 'routers', 'models', 'activity', 'Vue']
    }

    async get_announcements(req, res, next) {
        const Announcement = this.models.get('system:Announcement')
        const announcements = await Announcement.find()

        const data = []
        for ( const announcement of announcements ) {
            data.push(await announcement.to_api())
        }

        return res.api(data)
    }

    async get_announcement(req, res, next) {
        const Announcement = this.models.get('system:Announcement')
        const announcement = await Announcement.findById(req.params.id)

        if ( !announcement )
            return res.status(404)
                .message(req.T('api.announcement_not_found'))
                .api()

        return res.api(await announcement.to_api())
    }

    async create_announcement(req, res, next) {
        const Announcement = this.models.get('system:Announcement')

        const required_fields = ['title', 'message', 'user_ids', 'group_ids', 'type']
        for ( const field of required_fields ) {
            if ( !req.body[field] )
                return res.status(400)
                    .message(`${req.T('api.missing_field')} ${field}`)
                    .api()
        }

        if ( !Array.isArray(req.body.user_ids) )
            return res.status(400)
                .message(`${req.T('api.improper_field')} user_ids`)
                .api()

        if ( !Array.isArray(req.body.group_ids) )
            return res.status(400)
                .message(`${req.T('api.improper_field')} group_ids`)
                .api()

        if ( !['email', 'login', 'banner'].includes(req.body.type) )
            return res.status(400)
                .message(`${req.T('api.improper_field')} type`)
                .api()

        const announcement = new Announcement({
            title: req.body.title,
            message: req.body.message,
            user_ids: req.body.user_ids,
            group_ids: req.body.group_ids,
            type: req.body.type,
        })

        await announcement.save()
        await announcement.log_populate()
        return res.api(await announcement.to_api())
    }

    async delete_announcement(req, res, next) {
        const Announcement = this.models.get('system:Announcement')
        const announcement = await Announcement.findById(req.params.id)

        if ( !announcement )
            return res.status(404)
                .message(req.T('api.announcement_not_found'))
                .api()

        await announcement.delete()
        return res.api()
    }

    async show_login_message(req, res) {
        const LoginMessage = this.models.get('LoginMessage')
        const messages = await LoginMessage.for_user(req.user)
        const message = messages[0]

        return this.Vue.auth_message(res, {
            message: `<h3>${message.title}</h3>${message.message}`,
            next_destination: '/auth/login-message/dismiss',
        })
    }

    async dismiss_login_message(req, res) {
        const LoginMessage = this.models.get('LoginMessage')
        const messages = await LoginMessage.for_user(req.user)
        const message = messages[0]

        await message.mark_seen()

        if ( req.trap.has_trap('login_message') )
            await req.trap.end()

        return res.redirect(req.session?.auth?.flow || '/dash')
    }
}

module.exports = exports = ReflectController