const environment = process.env.ENVIRONMENT || 'development'
import config from '../knexfile';

export default function get_knex() {
    if (!Object.keys(config).includes(environment)) {
        throw "No Knex database configuration was found for environment '" +
        environment + "'. Please check your configuration.";
    }

    var _knex = undefined;
    console.log("Using Knex config: ", config[environment])

    try {
        _knex = require('knex')(config[environment]);
    } catch (e) {
        throw [
            "Failed to initialize Knex database connection with config: "
            + JSON.stringify(config[environment]),
            e
        ];
    }
    return _knex;
}