const UserError = require('vn-loopback/util/user-error');

module.exports = Self => {
    Self.remoteMethod('insertTicket', {
        description: 'Check if the ticket can be insert into the route and insert it',
        accessType: 'READ',
        accepts: [{
            arg: 'routeId',
            type: 'number',
            required: true,
            description: 'The route id',
            http: {source: 'path'}
        },
        {
            arg: 'ticketId',
            type: 'number',
            required: true
        }],
        returns: {
            type: 'object',
            root: true
        },
        http: {
            path: `/:routeId/insertTicket`,
            verb: 'PATCH'
        }
    });

    Self.insertTicket = async(routeId, ticketId, options) => {
        const models = Self.app.models;

        let tx;
        let myOptions = {};

        if (typeof options == 'object')
            Object.assign(myOptions, options);

        if (!myOptions.transaction) {
            tx = await Self.beginTransaction({});
            myOptions.transaction = tx;
        }

        try {
            const route = await models.Route.findById(routeId, null, myOptions);
            const minDate = new Date(route.created);
            minDate.setHours(0, 0, 0, 0);

            const maxDate = new Date(route.created);
            maxDate.setHours(23, 59, 59, 59);
            const ticket = await models.Ticket.findOne({
                where: {
                    id: ticketId,
                    routeFk: null,
                    landed: {between: [minDate, maxDate]},
                }
            }, myOptions);

            if (!ticket)
                throw new UserError('The selected ticket is not suitable for this route');

            const result = await ticket.updateAttribute('routeFk', route.id, myOptions);

            if (tx) await tx.commit();

            return result;
        } catch (e) {
            if (tx) await tx.rollback();
            throw e;
        }
    };
};