// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.

import {Args} from 'types/args';
import yargs from 'yargs';

import {protocols} from '../../electron-builder.json';

import * as Validator from './Validator';

export default function parse(args: string[]) {
    return validateArgs(parseArgs(triageArgs(args)));
}

function triageArgs(args: string[]) {
    // ensure any args following a possible deeplink are discarded
    if (protocols && protocols[0] && protocols[0].schemes && protocols[0].schemes[0]) {
        const scheme = protocols[0].schemes[0].toLowerCase();
        const deeplinkIndex = args.findIndex((arg) => arg.toLowerCase().includes(`${scheme}:`));
        if (deeplinkIndex !== -1) {
            return args.slice(0, deeplinkIndex + 1);
        }
    }
    return args;
}

function parseArgs(args: string[]) {
    return yargs.
        alias('dataDir', 'd').string('dataDir').describe('dataDir', 'Set the path to where user data is stored.').
        alias('disableDevMode', 'p').boolean('disableDevMode').describe('disableDevMode', 'Disable development mode. Allows for testing as if it was Production.').
        alias('version', 'v').boolean('version').describe('version', 'Prints the application version.').
        help('help').
        parse(args);
}

function validateArgs(args: Args) {
    return Validator.validateArgs(args) || {};
}