// Which applications are listening right now, and a way to shut each of them
// up without hunting through their own preferences.
//
// The row is absent rather than empty when nothing is listening: "no
// applications are using the microphone" is a sentence nobody needs to read on
// a page they opened to change an output device.

import QtQuick
import Quickshell.Services.Pipewire
import qs.config
import qs.modules.quicksettings
import qs.services

SettingRow {
    id: root

    readonly property var users: AudioDevices.captureApplications ?? []

    label: "Using the microphone"
    detail: "Applications listening right now"
    // A Column skips invisible children, so an empty row costs no space.
    visible: root.users.length > 0
    controlWidth: Math.max(120, chips.implicitWidth + 8)

    // Mute state is audio state: untracked nodes report false and swallow the
    // write that would have muted them.
    PwObjectTracker {
        objects: root.users.reduce((all, application) =>
            all.concat(application?.nodes ?? []), [])
    }

    Row {
        id: chips

        anchors.right: parent.right
        anchors.verticalCenter: parent.verticalCenter
        spacing: 8

        Repeater {
            model: root.users

            Rectangle {
                id: chip

                required property var modelData

                readonly property bool muted: AudioDevices.applicationMuted(chip.modelData)

                implicitWidth: name.implicitWidth + muteButton.width + 20
                implicitHeight: 26
                radius: Theme.pillRadius
                color: Theme.alpha(Theme.fg, 0.06)
                border.width: 1
                border.color: Theme.alpha(Theme.fg, 0.08)

                Text {
                    id: name

                    anchors.left: parent.left
                    anchors.leftMargin: 11
                    anchors.verticalCenter: parent.verticalCenter
                    text: String(chip.modelData?.label ?? "")
                    color: chip.muted ? Theme.fgMuted : Theme.fg
                    font.family: Theme.fontFamily
                    font.pixelSize: Theme.fontSizeSmall
                }

                IconButton {
                    id: muteButton

                    anchors.right: parent.right
                    anchors.rightMargin: 2
                    anchors.verticalCenter: parent.verticalCenter
                    size: 24
                    iconSize: 14
                    icon: chip.muted
                        ? "microphone-sensitivity-muted-symbolic"
                        : "audio-input-microphone-symbolic"
                    iconFallback: "audio-input-microphone-symbolic"
                    tint: chip.muted ? Theme.danger : Theme.fgDim
                    onClicked: AudioDevices.setApplicationMuted(chip.modelData, !chip.muted)
                }
            }
        }
    }
}