upgradeTargets

var fs = require('fs');
var walk = function(dir, done) {
	var results = [];
	fs.readdir(dir, function(err, list) {
		if (err) return done(err);
		var pending = list.length;
		if (!pending) return done(null, results);
		list.forEach(function(file) {
			file = dir + '/' + file;
			fs.stat(file, function(err, stat) {
				if (stat && stat.isDirectory()) {
					walk(file, function(err, res) {
						results = results.concat(res);
						if (!--pending) done(null, results);
					});
				} else {
					results.push(file);
					if (!--pending) done(null, results);
				}
			});
		});
	});
};



walk('resources/', function (err, files) {
	files.forEach(function (file) {
		if (/metadata.json$/.test(file)) {
			var contents = fs.readFileSync(file);
			try {
				contents = JSON.parse(contents);
			} catch (e) {
				console.error('Could not rewrite', file);
				return;
			}

			var newContents = {};
			var keys = Object.keys(contents);
			keys.forEach(function (key) {
				switch (key) {
					case 'targets':
						var targets = {};
						contents.targets.forEach(function (target) {
							if (target == 'android' || target == 'ios') {
								targets['browser-mobile'] = true;
							} else if (target == 'desktop') {
								targets['browser-desktop'] = true;
							} else if (target == 'native-mobile' || target == 'native-tablet') {
								targets['native-android'] = true;
								targets['native-ios'] = true;
							} else {
								targets[target] = true;
							}
						});

						newContents.targets = Object.keys(targets);
						break;
					case 'native-tablet':
					case 'native-mobile':
						newContents['native-android'] = newContents['native-ios'] = contents[key];
						break;
					case 'ios':
					case 'android':
						newContents['browser-mobile'] = contents[key];
						break;
					case 'desktop':
						newContents['browser-desktop'] = contents[key];
						break;
					default:
						newContents[key] = contents[key];
						break;
				}
			});

			console.log('======', file);
			console.log(contents);
			console.log(JSON.stringify(newContents, null, '\t'));

			fs.writeFileSync(file, JSON.stringify(newContents, null, '\t'));
		}
	});
});