import yargs from 'yargs';
import { hideBin } from 'yargs/helpers';

import { mergeTranslationProposals, createTranslationFiles } from '~/helpers/merge/translationsHelper.ts';
import Locales from '~/locale/locales.ts';

yargs(hideBin(process.argv))
    .scriptName('merger')
    .help()
    .showHidden()
    .version()
    .command(
        'merge',
        'Merge in pending translation changes',
        (build) => {
            build
                .options({
                    l: {
                        alias: ['locale'],
                        describe: 'Locale to be merged into',
                        demandOption: true,
                        type: 'string',
                        nargs: 1,
                    },
                    f: {
                        alias: ['file'],
                        describe: 'The file location of the pending translations',
                        demandOption: true,
                        normalise: true,
                        nargs: 1,
                    },
                })
                .usage('$0 merge -l <locale> -f <pending_file>');
        },
        async (args) => {
            if (!Locales.map((l) => l.code).includes(String(args.l).toLowerCase() as string)) {
                throw new RangeError('Locale Code does not exist, please check your spelling');
            }
            await mergeTranslationProposals(String(args.l).toLowerCase(), args.f as string);
        },
    )
    .command(
        'create',
        'Create a new language system',
        (build) => {
            build
                .options({
                    l: {
                        alias: ['locale'],
                        describe: 'Locale to be merged into',
                        demandOption: true,
                        type: 'string',
                        nargs: 1,
                    },
                })
                .usage('$0 create -l <locale>');
        },
        async (args) => {
            await createTranslationFiles(String(args.l).toLowerCase() as string);
        },
    )
    .example([
        ['$0 merge -l en -f ./to-merge.suml', 'Merge pending translations into the English (en) locale'],
        ['$0 create -l he', 'Create a new Hebrew (he) locale'],
    ])
    .usage('$0 <command> [options]')
    .showHelpOnFail(false, 'Specify --help for available options')
    .wrap(null)
    .parse();