const {Email} = require('vn-print');

module.exports = Self => {
    Self.remoteMethodCtx('deliveryNoteEmail', {
        description: 'Sends the delivery note email with an docuware attached PDF',
        accessType: 'WRITE',
        accessScopes: ['docuwareDeliveryNoteEmail'],
        accepts: [
            {
                arg: 'id',
                type: 'number',
                required: true,
                description: 'The ticket id',
            },
            {
                arg: 'recipientId',
                type: 'number',
                description: 'The client id',
                required: true
            },
            {
                arg: 'recipient',
                type: 'string',
                description: 'The recipient email',
                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: '/delivery-note-email',
            verb: 'POST'
        }
    });

    Self.deliveryNoteEmail = async(ctx, id, recipientId, recipient) => {
        const models = Self.app.models;
        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];

        if (!recipient) {
            client = await models.Client.findById(recipientId, {fields: ['email']});
            params.recipient = client.email;
        }

        const email = new Email('delivery-note', params);

        const docuwareFile = await models.Docuware.download(ctx, id, 'deliveryNote');

        return email.send({
            overrideAttachments: true,
            attachments: [{
                filename: `${id}.pdf`,
                content: docuwareFile[0]
            }]
        });
    };
};