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

module.exports = Self => {
    Self.remoteMethodCtx('moveToNewTicket', {
        description: 'Change the state of a ticket',
        accessType: '',
        accepts: [{
            arg: 'ticketParams',
            type: 'object',
            required: true,
            description: '[sales IDs], newTicketFk, actualTicketFk',
            http: {source: 'body'}
        }, {
            arg: 'sales',
            type: 'object',
            required: true,
            description: '[sales IDs]',
            http: {source: 'body'}
        }],
        returns: {
            type: 'string',
            root: true
        },
        http: {
            path: `/moveToNewTicket`,
            verb: 'post'
        }
    });

    Self.moveToNewTicket = async(ctx, params) => {
        let userId = ctx.req.accessToken.userId;
        let model = Self.app.models;
        let thisTicketIsEditable = await model.Ticket.isEditable(params.ticket.oldTicketFk);
        if (!thisTicketIsEditable)
            throw new UserError(`The sales of this ticket can't be modified`);

        let travelDates = await model.Agency.getFirstShipped(params.ticket);
        let shipped = new Date(travelDates.vShipped);
        shipped.setMinutes(shipped.getMinutes() + shipped.getTimezoneOffset());

        let landed = new Date(travelDates.vLanded);
        landed.setMinutes(landed.getMinutes() + landed.getTimezoneOffset());

        let newTicketParams = {
            clientFk: params.ticket.clientFk,
            addressFk: params.ticket.addressFk,
            agencyModeFk: params.ticket.agencyModeFk,
            warehouseFk: params.ticket.warehouseFk,
            shipped: shipped,
            landed: landed,
            userId: userId
        };

        let tx = await Self.beginTransaction({});
        try {
            let options = {transaction: tx};

            let newTicket = await model.Ticket.new(ctx, newTicketParams, options);

            let selectedSalesId = [];
            params.sales.forEach(sale => {
                selectedSalesId.push(sale.id);
            });

            await model.Sale.updateAll(
                {id: {inq: selectedSalesId}},
                {ticketFk: newTicket.id},
                options
            );

            await tx.commit();
            return newTicket;
        } catch (e) {
            await tx.rollback();
            throw e;
        }
    };
};