pragma Singleton

import Quickshell
import Quickshell.Wayland
import qs.services

Singleton {
    id: root

    // ---- Panel placement -------------------------------------------------

    // Bottom of the screen, on the Top layer so the panel sits above normal
    // windows but below fullscreen overlays and lockscreens.
    readonly property int layer: WlrLayer.Top

    // Layershell namespace. Compositors can target the panel with this, e.g.
    // sway: `layer_effects "att_menu" blur enable`
    readonly property string namespace: "att_menu"

    // Reserve space so maximised windows do not sit under the panel.
    readonly property bool reserveSpace: true

    // ---- Window list -----------------------------------------------------

    // Show only windows present on the panel's own screen. Set false to mirror
    // every window onto every panel.
    readonly property bool windowsPerScreen: true

    readonly property int windowButtonMinWidth: 40
    readonly property int windowButtonMaxWidth: 220

    // ---- Launcher --------------------------------------------------------

    readonly property int launcherWidth: 460
    readonly property int launcherHeight: 520

    // argv prefix used to run desktop entries with `Terminal=true`.
    // $TERMINAL is honoured if set; otherwise change the fallback to your
    // terminal of choice.
    readonly property var terminal: {
        const env = Quickshell.env("TERMINAL");
        if (!env)
            return ["foot"];

        // Terminals that need an explicit flag before the command to run.
        const needsExecFlag = ["alacritty", "ghostty", "xterm", "urxvt", "st", "konsole"];
        return needsExecFlag.includes(env.split("/").pop()) ? [env, "-e"] : [env];
    }

    // ---- Wifi ------------------------------------------------------------

    // Set false to drop the wifi button. It also hides itself where there is no
    // wifi adapter, or no NetworkManager to talk to.
    readonly property bool showWifi: true

    // Cap on the SSID shown next to the panel icon, so a long name cannot
    // squeeze the window list.
    readonly property int wifiLabelMaxWidth: 110

    readonly property int wifiMenuWidth: 300
    readonly property int wifiMenuHeight: 400

    // ---- Bluetooth -------------------------------------------------------

    // Set false to drop the bluetooth button. It also hides itself on machines
    // with no bluetooth adapter, so leaving this on costs nothing there.
    readonly property bool showBluetooth: true

    readonly property int bluetoothMenuWidth: 300
    readonly property int bluetoothMenuHeight: 400

    // ---- Power actions ---------------------------------------------------

    // Ask before running the actions marked `dangerous` below.
    readonly property bool confirmDangerous: true

    readonly property int powerMenuWidth: 190

    // `command` is argv, run detached. Reorder or trim this list to change
    // which rows appear in the session menu.
    readonly property var powerActions: [
        {
            id: "logout",
            label: "Log out",
            icon: "system-log-out",
            glyph: "⏻",
            command: root.sessionQuitCommand,
            dangerous: true
        },
        {
            id: "suspend",
            label: "Suspend",
            icon: "system-suspend",
            glyph: "☽",
            command: ["systemctl", "suspend"],
            dangerous: false
        },
        {
            id: "reboot",
            label: "Restart",
            icon: "system-reboot",
            glyph: "↻",
            command: ["systemctl", "reboot"],
            dangerous: true
        },
        {
            id: "shutdown",
            label: "Shut down",
            icon: "system-shutdown",
            glyph: "⏼",
            command: ["systemctl", "poweroff"],
            dangerous: true
        }
    ]

    // Logging out is compositor specific, so detect the running one. Falls back
    // to asking logind to end the session, which works anywhere.
    readonly property var sessionQuitCommand: {
        const desktop = (Quickshell.env("XDG_CURRENT_DESKTOP") || "").toLowerCase();

        if (Quickshell.env("HYPRLAND_INSTANCE_SIGNATURE"))
            return ["hyprctl", "dispatch", "exit"];
        if (Quickshell.env("SWAYSOCK") || desktop.includes("sway"))
            return ["swaymsg", "exit"];
        if (Quickshell.env("NIRI_SOCKET") || desktop.includes("niri"))
            return ["niri", "msg", "action", "quit", "--skip-confirmation"];
        // river 0.4 has no riverctl: the external window manager owns session
        // exit, and attwm offers it over its socket. Only river-classic (0.3.x)
        // is the riverctl one.
        if (desktop.includes("river"))
            return Attwm.available ? ["attwmctl", "exit-session"] : ["riverctl", "exit"];

        const session = Quickshell.env("XDG_SESSION_ID");
        return session ? ["loginctl", "terminate-session", session] : ["loginctl", "terminate-session", "self"];
    }
}