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

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

var _knex = undefined;

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

const knex:Knex = _knex;
export default knex;