var outputs = {};

function listOutputs() {
	var result = [];
	for (var id in outputs) {
		var i = outputs[id];
		result.push({
			name: i.name || i.getName(),
			id: id,
			inputs: i.inputs || i.getInputs(),
			volumeControl: i.volumeControl,
			status: i.getStatus ? i.getStatus():undefined
		});
	}
	return result;
}

function setOutputState(outputId, inputId, state) {
	var output = outputs[outputId];
	return output ? output.setState(inputId, state) : false;
}

module.exports.listOutputs = listOutputs;
module.exports.setOutputState = setOutputState;
module.exports.registerOutput = function(id, output) { console.log("Registered new client " +id); outputs[id] = output; }
module.exports.unregisterOutput = function(id) { console.log("Unregistered client " +id); delete outputs[id]; }