import * as core from '@actions/core';

import * as configUtils from './config-utils';

export function includeAndExcludeAnalysisPaths(config: configUtils.Config, languages: string[]) {
    if (config.paths.length !== 0) {
        core.exportVariable('LGTM_INDEX_INCLUDE', config.paths.join('\n'));
    }

    if (config.pathsIgnore.length !== 0) {
        core.exportVariable('LGTM_INDEX_EXCLUDE', config.pathsIgnore.join('\n'));
    }

    function isInterpretedLanguage(language): boolean {
        return language === 'javascript' || language === 'python';
    }

    // Index include/exclude only work in javascript and python
    // If some other language is detected/configured show a warning
    if ((config.paths.length !== 0 || config.pathsIgnore.length !== 0) && !languages.every(isInterpretedLanguage)) {
        core.warning('The "paths"/"paths-ignore" fields of the config only have effect for Javascript and Python');
    }
}