import QtQuick

Item {
    property real volume: 0.4
    property int volumeWrites: 0
    property int muteWrites: 0
    property int externalUpdates: 0
    property bool manyDevices: false

    function sinkRow() {
        return {
            "id": "sink-fixture",
            "name": "fixture output",
            "glyph": "",
            "role": "ui.accent",
            "muted": false,
            "percent": Math.round(volume * 100),
            "isDefault": true
        };
    }

    function stateJson() {
        return JSON.stringify({
            "sinks": [sinkRow()].concat(manyDevices ? Array.from({
                length: 12
            }, (_, i) => Object.assign({}, sinkRow(), {
                    id: `sink-${i}`,
                    name: `additional output ${i}`,
                    isDefault: false
                })) : []),
            "sources": [],
            "streams": []
        });
    }

    function setVolume(id, ratio) {
        volume = Number(ratio);
        volumeWrites++;
        return stateJson();
    }

    function toggleMute(id) {
        muteWrites++;
        return stateJson();
    }

    function setDefaultSink(id) {
        return stateJson();
    }

    function setDefaultSource(id) {
        return stateJson();
    }

    function privacyLabel() {
        return "audio";
    }

    function privacyActive() {
        return false;
    }

    function externalUpdate() {
        volume = 0.8;
        externalUpdates++;
    }
}