const configuration = ["alllex"];
const devProd = ["blindpirate"];
const execution = [];
const ide = ["hegyibalint", "donat", "reinsch82"];
const jvm = ["big-guy", "ghale", "jvandort", "octylFractal", "tresat"];

/**
 * @module isEnabledUser
 * @description Returns true if the username that is passed to this function is a member of the Gradle BT Team who has opted into gitStream automations.
 * @param {string} Input - The GitHub username to check.

/**
 * @module nullToEmpty
 * @description Returns the specified value if non-null, otherwise an empty array.
 * @param {Object} input - The object to investigate
 * @returns Object - The specified value if non-null, otherwise an empty array
 * @example {{ readField('jvm', 'files') | nullToEmpty }}
 */
function nullToEmpty(input) {
    let output;
    if (input) {
        output = input;
    } else {
        output = [];
    }

/**
 * @module categorize
 * @description Returns a mapping of platforms to the information about the files involved in the PR contained in each platform
 * @param {Map} fileOwners mapping of platform name to a list of files involved in the change located in that platform
 * @param {[FileMetadata]} fileMetadatas - gitStream's list of metadata about file changes in the PR including path

/**
 * @module computeStatistics
 * @description Summarizes the changes to files in the PR by platform.
 *
 * @param {Map} groupedFiles - map of platforms for containing info about the changes to files in that platform, from call to categorize
 * @param {[FileMetadata]} fileMetadatas - gitStream's list of metadata about file changes in the PR including path
 * @returns {[Object]} Returns list of computed summary statistic objects for each platform in the input groupedFiles

enabled.set('complex_changes', ['always']);
enabled.set('estimated_time_to_review', ['always']);
enabled.set('misc_labels', ['always']);
enabled.set('platform_labels', ['always']);

/**
 * @module isEnabledAutomation
 * @description Returns true if the given automation should run against the given PR.
 *
 * This is determined by checking if any of the following conditions are met:
 *
 * <ul>

/**
 * @module summaryTable
 * @description Create a string containing an HTML table describing the given summary statistics.
 *
 * The table should be in descending order of the number of lines changed, and should only include platforms with non-0 changes.
 *
 * @param {[Object]} statistics - list of summary data objects from computeStatistics
 * @param {String} title - description of how data is grouped
 * @returns {String} Returns the formatted HTMl table string.

/**
 * @module byPlatform
 * @description Groups the PR's files by platform based on the file's path.
 * @param {string[]} files - the gitStream's files context variable
 * @returns {Map} - Map from platform to list of files in this PR in it
 * @example {{ owners | byPlatform }}
 */
function byPlatform(files) {
    const result = new Map();
    files.forEach(file => {
        const platform = getPlatform(file);
        if (!result.has(platform)) {

/**
 * @module readField
 * @description Returns one field for a particular named object in a list of objects.
 * @param {[Object]} objects - The objects to search
 * @param {String} objectName - The name of the particular object to find
 * @param {String} fieldName - The name of the field for the group to return
 * @returns String - The specified value
 * @example {{ files | byPlatform | categorize(branch.diff.files_metadata) | readField('jvm', 'name') }}
 */

/**
 * @module byCodeowner
 * @description Groups the PR's files' by owner based on the CODEOWNERs file.
 * @param {string[]} files - the gitStream's files context variable
 * @param {Object} pr - the gitStream's pr context variable
 * @param {string} token - access token with repo:read scope, used to read the CODEOWNERS file
 * @param {string} pathToCodeOwners - path from repo root to CODEOWNERS file
 * @returns {Map} - Map from owner name to list of files they own

const isPathValid = path =>
    checkPath(path && checkPath.convert(path), path, RETURN_FALSE)

factory.isPathValid = isPathValid

// Fixes typescript
factory.default = factory

module.exports = factory

// Windows
// --------------------------------------------------------------
/* istanbul ignore if */
if (
    // Detect `process` so that it can run in browsers.