import * as path from 'path';
import { CommandModule } from 'yargs';
import { Arguments, CONFIG_OPTION, REGEX_OPTION } from '../constants';
import { ConfigParser } from '../lib/config-parser';
import { FileFinder } from '../lib/file-finder';
import { LicenseManager, ManagementMode } from '../lib/license-manager';

export function addExports (exports, command: CommandModule) {
    for (const key in command) {
        /* istanbul ignore else  */
        if (command.hasOwnProperty(key)) {
            exports[key] = command[key];
        }
    }
}

export function manageLicense (args: Arguments, mode: ManagementMode) {
    const replacements = stringifyRegexReplacement(args[REGEX_OPTION]);

    const config = ConfigParser.parse(path.resolve(process.cwd(), args[CONFIG_OPTION]), mode, replacements);
    const paths = FileFinder.getPaths(config.ignore, config.ignoreDefaultIgnores, config.ignoreFile);

    const licenseManager = new LicenseManager(
        paths, config.license, config.licenseFormats, config.defaultFormat,
        config.trailingWhitespace, mode, config.output, config.regex,
    );

    licenseManager.manage();
}

function stringifyRegexReplacement (regexReplacements: any): string[] {
    return Array.isArray(regexReplacements) ? regexReplacements.map((replacement) => '' + replacement) : regexReplacements;
}