#!/usr/bin/env node

/* globals cat, cd, echo, grep, ls, sed, ShellString */

require('../global');

var path = require('path');

var COMMAND_PREFIX = '## Command reference';

var COMMAND_SUFFIX = '\n## Team';

var COMMAND_PATTERN = /## Command reference\n\n((?:.|\n)*)\n## Team/;

function extractCurrentDocs() {

var m = cat('README.md').match(COMMAND_PATTERN);

if (m) {

var docs = m[1];

return docs;

}

/* istanbul ignore next */

throw new Error('Unable to extract current docs');

}

module.exports.extractCurrentDocs = extractCurrentDocs;

function generateNewDocs() {

// Extract docs from shell.js

var docs = grep('^//@', 'shell.js');

// Insert the docs for all the registered commands

var blocklist = [

'./src/common.js',

'./src/error.js',

'./src/errorCode.js',

];

docs = docs.replace(/\/\/@commands\n/g, function () {

return ls('./src/*.js').map(function (file) {

if (blocklist.includes(file)) {

return '';

}

var commandDoc = grep('^//@', file).toString();

if (commandDoc !== '') {

commandDoc += '\n';

}

return commandDoc;

}).join('');

});

// Now extract docs from the remaining src/*.js files

docs = docs.replace(/\/\/@include (.+)/g, function (match, filename) {

return grep('^//@', filename);

});

// Remove '//@'

docs = docs.replace(/\/\/@ ?/g, '');

return docs;

}

module.exports.generateNewDocs = generateNewDocs;

/* istanbul ignore next */

function main() {

echo('Appending docs to README.md');

cd(path.join(__dirname, '..'));

var docs = generateNewDocs();

// Wipe out the old docs

ShellString(cat('README.md').replace(COMMAND_PATTERN,

COMMAND_PREFIX + COMMAND_SUFFIX)).to('README.md');

// Append new docs to README

sed('-i', /## Command reference/, COMMAND_PREFIX + '\n\n' + docs, 'README.md');

echo('All done.');

}

/* istanbul ignore if */

if (require.main === module) {

main();

}