import awsServerlessExpress from 'aws-serverless-express';

import awsServerlessExpressMiddleware from 'aws-serverless-express/middleware';

import express from 'express';

import swaggerUi from 'swagger-ui-dist';

import swaggerJSDoc from 'swagger-jsdoc';

import { SERVICE_NAME } from './configs/constants';

const app = express();

const server = awsServerlessExpress.createServer(app);

// Include the modules that contains the documentation for it to be bundled by webpack

require.resolve('../static/swagger-ui/index.html');

require.resolve('./api.js');

const swaggerSpec = {

swaggerDefinition: {

info: {

version: '1.0.0',

title: 'Customer API',

},

schemes: ['https'],

securityDefinitions: {

apiKeyAuthorization: {

type: 'apiKey',

in: 'header',

name: 'x-api-key',

},

},

security: [{

apiKeyAuthorization: [],

}],

},

apis: ['src/api-docs.js'],

};

const swaggerDoc = swaggerJSDoc(swaggerSpec);

const serviceName = SERVICE_NAME;

const docs = '/docs';

const apiDocs = `${docs}/api-docs.json`;

app.use(awsServerlessExpressMiddleware.eventContext());

// Serve the swagger json definition

app.get([`/${serviceName}${apiDocs}`, apiDocs], (req, res) => {

swaggerDoc.host = req.get('host');

// Use the base path, i.e /dev

swaggerDoc.basePath = req.path.replace(apiDocs, '') || `/${req.apiGateway.event.requestContext.stage}`;

res.json(swaggerDoc);

});

// Serve the swagger-ui static files

app.use(

[`/${serviceName}${docs}`, docs],

express.static('static/swagger-ui'),

express.static(swaggerUi.getAbsoluteFSPath()),

);

exports.handler = (event, context) => awsServerlessExpress.proxy(server, event, context);