const path = require('path');
const db = require('vn-print/core/database');
const Email = require('vn-print/core/email');

const {toCSV} = require('../csv');
const sqlPath = path.join(__dirname, 'sql');

module.exports = async function(request, response, next) {
    try {
        const reqArgs = request.query;
        if (!reqArgs.invoiceId)
            throw new Error('The argument invoiceId is required');

        const invoiceId = reqArgs.invoiceId;
        const invoice = await db.findOneFromDef(`${sqlPath}/invoice`, [invoiceId]);
        const sales = await db.rawSqlFromDef(`${sqlPath}/sales`, [invoiceId]);

        const args = Object.assign({
            invoiceId: (String(invoice.id)),
            recipientId: invoice.clientFk,
            recipient: invoice.recipient,
            replyTo: invoice.salesPersonEmail
        }, response.locals);

        const content = toCSV(sales);
        const fileName = `invoice_${invoiceId}.csv`;
        const email = new Email('invoice', args);
        await email.send({
            overrideAttachments: true,
            attachments: [{
                filename: fileName,
                content: content
            }]
        });

        response.status(200).json({message: 'Success'});
    } catch (error) {
        next(error);
    }
};