import * as api from '../../client/src/api';
import { EndpointError, EndpointHandler, catchUnhandledErrors } from './types';
import Knex from 'knex';

export const CreateIntegrationEndpointHandler: EndpointHandler = async (req: any, res: any, knex: Knex) => {
    if (!api.checkCreateIntegrationRequest(req)) {
        const e: EndpointError = {
            internalMessage: 'Invalid CreateIntegration request: ' + JSON.stringify(req.body),
            httpStatus: 400
        };
        throw e;
    }
    const reqObject: api.CreateIntegrationRequest = req.body;
    const { id: userId } = req.user;

    console.log("User ", userId, ": Create Integration ", reqObject);

    await knex.transaction(async (trx) => {
        try {
            // Create the new integration.
            var integration: any = {
                name: reqObject.name,
                user: userId,
                type: reqObject.type,
                details: JSON.stringify(reqObject.details),
            }
            const integrationId = (await trx('integrations')
                .insert(integration)
                .returning('id') // Needed for Postgres
            )[0];

            // Respond to the request.
            const responseObject: api.CreateIntegrationResponse = {
                id: integrationId
            };
            res.status(200).send(responseObject);

        } catch (e) {
            catchUnhandledErrors(e);
            trx.rollback();
        }
    })
}