jormaechea/open-api-mocker

'use strict';

const Server = require('./server');
const ServersStruct = require('./structs');
const extractExtensions = require('../utils/extract-extensions');
const enhanceStructValidationError = require('../utils/enhance-struct-validation-error');

class Parser {

    parse(schema) {

        const { servers } = schema;

        this.validateServers(servers);

        if(!servers || !servers.length)
            return [this.defaultServer()];

        return servers
            .map(this.parseServer.bind(this));
    }

    defaultServer() {
        return Server.getDefault();
    }

    validateServers(servers) {

        try {
            return ServersStruct(servers);
        } catch(e) {
            throw enhanceStructValidationError(e, 'servers');
        }
    }

    parseServer({ url, description, variables, ...otherProps }) {

        const extensionProps = extractExtensions(otherProps);

        return new Server({
            url,
            description,
            variables
        }, extensionProps);
    }

}

module.exports = Parser;