'use strict';

const path = require('path');
const minimist = require('minimist');

const proto = {};
const config = Object.create(proto);
module.exports = config;

const layers = {};
const layord = 'default conffile gitjson gitlua cmdline'.split(' ');

const arrays = ['screenshots', 'tags', 'content_warnings'];

function set(name, obj) {
	if(!layord.find(x => x === name))
		throw Error('invalid config layer name');
	layers[name] = obj;

	Object.keys(config)
		.forEach(k => delete config[k]);
	layord.forEach(k => Object.assign(config, layers[k] || {}));
	arrays.filter(k => config[k] && !Array.isArray(config[k]))
		.forEach(k => {
			if((typeof config[k] === 'string' || config[k] instanceof String))
				config[k] = `${config[k]}`.split(';');
			else
				config[k] = [config[k]];
		});
	return config;
}
proto.set = set;

set('cmdline', minimist(process.argv.slice(2)));

set('default', {
	conf: path.join(process.env.HOME, '.cdbrelease.json'),
	branch: 'master',
	execlua: 'lua5.1',
	cdbjsonpath: '.cdb.json',
	cdbluapath: '.cdbrelease.lua',
	root: 'https://content.minetest.net/api',
	token: null,
	user: null,
	pkg: null,
	timeout: 60,
});