import {join} from "path";
import {stat, writeFile} from "fs";

import {TemplateGenerator} from "./template_generator";

export function init(): void {
    const dir: string = process.cwd();
    const filePath: string = join(dir, 'pops.config.js');

    stat(filePath, (error) => {
        if (error === null) {
            throw new Error(`A pops.config.js already exists in ${dir}`);
        } else if (error.code === 'ENOENT') {
            writeFile(filePath, TemplateGenerator.config(), (error) => {
                if (error) throw error;
            });
        } else {
            throw error;
        }
    });
}