import QtQuick
import Quickshell
import Quickshell.Io
import "." as M

M.BarSection {
    id: root
    spacing: M.Theme.moduleSpacing
    opacity: M.Modules.bluetooth.enable && root.state !== "unavailable" ? 1 : 0
    visible: opacity > 0
    tooltip: {
        if (root.state === "off")
            return "Bluetooth: off";
        if (root.state === "connected")
            return "Bluetooth: " + root.device + (root.batteryPct >= 0 ? "\nBattery: " + root.batteryPct + "%" : "");
        return "Bluetooth: on";
    }

    property string state: "unavailable"
    property string device: ""
    property int batteryPct: -1

    function _parse(text) {
        const lines = text.trim().split("\n");
        const t = lines[0] || "";
        const sep = t.indexOf(":");
        root.state = sep === -1 ? t : t.slice(0, sep);
        root.device = sep === -1 ? "" : t.slice(sep + 1);
        root.batteryPct = -1;
        for (let i = 1; i < lines.length; i++) {
            if (lines[i].startsWith("bat:"))
                root.batteryPct = parseInt(lines[i].slice(4)) || -1;
        }
    }

    Process {
        id: proc
        running: M.Modules.bluetooth.enable
        command: ["sh", "-c", "s=$(bluetoothctl show 2>/dev/null); " + "[ -z \"$s\" ] && echo unavailable && exit; " + "echo \"$s\" | grep -q 'Powered: yes' || { echo off:; exit; }; " + "info=$(bluetoothctl info 2>/dev/null); " + "d=$(echo \"$info\" | awk -F': ' '/\\tName:/{n=$2}/Connected: yes/{c=1}END{if(c)print n}'); " + "[ -n \"$d\" ] && echo \"connected:$d\" || { echo on:; exit; }; " + "bat=$(echo \"$info\" | awk -F': ' '/Battery Percentage.*\\(/{gsub(/[^0-9]/,\"\",$2);print $2}'); " + "[ -n \"$bat\" ] && echo \"bat:$bat\""]
        stdout: StdioCollector {
            onStreamFinished: root._parse(text)
        }
    }
    // Event-driven: watch BlueZ DBus property changes
    Process {
        id: btMonitor
        running: M.Modules.bluetooth.enable
        command: ["sh", "-c", "dbus-monitor --system \"interface='org.freedesktop.DBus.Properties',member='PropertiesChanged',path_namespace='/org/bluez'\" 2>/dev/null"]
        stdout: SplitParser {
            splitMarker: "\n"
            onRead: _debounce.restart()
        }
    }
    Timer {
        id: _debounce
        interval: 500
        onTriggered: proc.running = true
    }
    Timer {
        interval: 60000
        running: M.Modules.bluetooth.enable
        repeat: true
        onTriggered: proc.running = true
    }

    M.BarIcon {
        icon: "\uF294"
        color: root.state === "off" ? M.Theme.base04 : root.accentColor
        anchors.verticalCenter: parent.verticalCenter
        TapHandler {
            cursorShape: Qt.PointingHandCursor
            onTapped: {
                M.FlyoutState.visible = false;
                btLoader.active = true;
            }
        }
    }
    M.BarLabel {
        visible: root.state === "connected"
        label: root.device + (root.batteryPct >= 0 ? " " + root.batteryPct + "%" : "")
        anchors.verticalCenter: parent.verticalCenter
        TapHandler {
            cursorShape: Qt.PointingHandCursor
            onTapped: {
                M.FlyoutState.visible = false;
                btLoader.active = true;
            }
        }
    }

    required property var bar

    LazyLoader {
        id: btLoader
        active: false
        M.BluetoothMenu {
            accentColor: root.accentColor
            screen: QsWindow.window?.screen ?? null
            anchorX: root.mapToGlobal(root.width / 2, 0).x - (QsWindow.window?.screen?.x ?? 0)
            onDismissed: btLoader.active = false
        }
    }
}