var Q = require('q');

var readline = require('readline');

var spawn = require('child_process').spawn;

var util = require('./util');

module.exports = function(gulp, plugins, config) {

config.output = config.output || 'doc/api';

return util.forEachSubDirSequential(config.dest, function(dir) {

var defer = Q.defer();

var done = defer.makeNodeResolver();

var supportedModules = [

'dist/dart/angular2',

'dist/dart/benchpress'

];

if (supportedModules.indexOf(dir) === -1) {

done();

} else {

console.log('INFO: running dartdoc for ', dir);

var stream = spawn(config.command, ['--output=' + config.output],

{stdio: [process.stdin, process.stdout, process.stderr], cwd: dir});

stream.on('exit', function(code) {

if (code !== 0) {

done('ERROR: dartdoc exited with non-zero status ' + code);

} else {

done();

}

});

stream.on('error', function(e) { done('ERROR: dartdoc reported error: ' + e); });

}

return defer.promise;

});

};