const {Email} = require('vn-print');
const {toCSV} = require('vn-loopback/util/csv');

module.exports = Self => {
    Self.remoteMethodCtx('deliveryNoteCsvEmail', {
        description: 'Returns the delivery note csv',
        accessType: 'READ',
        accepts: [
            {
                arg: 'id',
                type: 'number',
                required: true,
                description: 'The ticket id',
                http: {source: 'path'}
            },
            {
                arg: 'recipient',
                type: 'string',
                description: 'The recipient email',
                required: true,
            },
            {
                arg: 'replyTo',
                type: 'string',
                description: 'The sender email to reply to',
                required: false
            },
            {
                arg: 'recipientId',
                type: 'number',
                description: 'The client id',
                required: false
            }
        ],
        returns: [
            {
                arg: 'body',
                type: 'file',
                root: true
            }, {
                arg: 'Content-Type',
                type: 'String',
                http: {target: 'header'}
            }, {
                arg: 'Content-Disposition',
                type: 'String',
                http: {target: 'header'}
            }
        ],
        http: {
            path: '/:id/delivery-note-csv-email',
            verb: 'POST'
        }
    });

    Self.deliveryNoteCsvEmail = async(ctx, id) => {
        const args = Object.assign({}, ctx.args);

        const params = {
            recipient: args.recipient,
            lang: ctx.req.getLocale()
        };

        delete args.ctx;
        for (const param in args)
            params[param] = args[param];

        const sales = await Self.rawSql(`
            SELECT  io.ref Invoice,
                    io.issued InvoiceDate,
                    s.ticketFk Ticket, 
                    s.itemFk Item, 
                    s.concept  Description, 
                    i.size, 
                    i.subName Producer,
                    s.quantity Quantity, 
                    s.price Price, 
                    s.discount Discount, 
                    s.created Created, 
                    tc.code Taxcode, 
                    tc.description TaxDescription,
                    i.tag5,
                    i.value5,
                    i.tag6,
                    i.value6,
                    i.tag7,
                    i.value7,
                    i.tag8,
                    i.value8,
                    i.tag9,
                    i.value9,
                    i.tag10,
                    i.value10
                FROM vn.sale s 
                    JOIN vn.ticket t ON t.id = s.ticketFk 
                    JOIN vn.item i ON i.id = s.itemFk 
                    JOIN vn.supplier s2 ON s2.id = t.companyFk 
                    JOIN vn.itemTaxCountry itc ON itc.itemFk = i.id 
                        AND itc.countryFk = s2.countryFk 
                    JOIN vn.taxClass tc ON tc.id = itc.taxClassFk     
                    LEFT JOIN vn.invoiceOut io ON io.id = t.refFk 
                WHERE s.ticketFk = ?
                ORDER BY s.ticketFk, s.created`, [id]);

        const content = toCSV(sales);
        const fileName = `ticket_${id}.csv`;
        const email = new Email('delivery-note', params);

        return email.send({
            overrideAttachments: true,
            attachments: [{
                filename: fileName,
                content: content
            }]
        });
    };
};