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

M.PopupPanel {
    id: menuWindow

    panelWidth: 250

    property var _devices: []

    property Process _scanner: Process {
        id: scanner
        running: true
        command: ["sh", "-c", "bluetoothctl devices Paired 2>/dev/null | while read -r _ mac name; do " + "info=$(bluetoothctl info \"$mac\" 2>/dev/null); " + "conn=$(echo \"$info\" | grep -c 'Connected: yes'); " + "bat=$(echo \"$info\" | awk -F'[(): ]' '/Battery Percentage/{for(i=1;i<=NF;i++) if($i+0==$i && $i!=\"\") print $i}'); " + "echo \"$mac:$conn:${bat:-}:$name\"; " + "done"]
        stdout: StdioCollector {
            onStreamFinished: {
                const devs = [];
                for (const line of text.trim().split("\n")) {
                    if (!line)
                        continue;
                    const i1 = line.indexOf(":");
                    const i2 = line.indexOf(":", i1 + 1);
                    const i3 = line.indexOf(":", i2 + 1);
                    if (i3 < 0)
                        continue;
                    devs.push({
                        mac: line.slice(0, i1),
                        connected: line.slice(i1 + 1, i2) === "1",
                        battery: parseInt(line.slice(i2 + 1, i3)) || -1,
                        name: line.slice(i3 + 1)
                    });
                }
                devs.sort((a, b) => {
                    if (a.connected !== b.connected)
                        return a.connected ? -1 : 1;
                    return a.name.localeCompare(b.name);
                });
                menuWindow._devices = devs;
            }
        }
    }

    property Process _toggleProc: Process {
        id: toggleProc
        property string action: ""
        property string mac: ""
        command: ["bluetoothctl", action, mac]
        onRunningChanged: if (!running)
            scanner.running = true
    }

    Repeater {
        model: menuWindow._devices

        delegate: Item {
            id: entry
            required property var modelData
            required property int index

            width: menuWindow.panelWidth
            height: 32

            Rectangle {
                anchors.fill: parent
                anchors.leftMargin: 4
                anchors.rightMargin: 4
                color: entryArea.containsMouse ? M.Theme.base02 : "transparent"
                radius: M.Theme.radius
            }

            Text {
                id: btIcon
                anchors.left: parent.left
                anchors.leftMargin: 12
                anchors.verticalCenter: parent.verticalCenter
                text: "\uF294"
                color: entry.modelData.connected ? M.Theme.base0D : M.Theme.base04
                font.pixelSize: M.Theme.fontSize + 1
                font.family: M.Theme.iconFontFamily
            }

            Text {
                anchors.left: btIcon.right
                anchors.leftMargin: 8
                anchors.right: batLabel.left
                anchors.rightMargin: 4
                anchors.verticalCenter: parent.verticalCenter
                text: entry.modelData.name
                color: entry.modelData.connected ? M.Theme.base0D : M.Theme.base05
                font.pixelSize: M.Theme.fontSize
                font.family: M.Theme.fontFamily
                font.bold: entry.modelData.connected
                elide: Text.ElideRight
            }

            Text {
                id: batLabel
                anchors.right: parent.right
                anchors.rightMargin: 12
                anchors.verticalCenter: parent.verticalCenter
                text: entry.modelData.battery >= 0 ? entry.modelData.battery + "%" : ""
                color: M.Theme.base04
                font.pixelSize: M.Theme.fontSize - 1
                font.family: M.Theme.fontFamily
                width: entry.modelData.battery >= 0 ? implicitWidth : 0
            }

            MouseArea {
                id: entryArea
                anchors.fill: parent
                hoverEnabled: true
                cursorShape: Qt.PointingHandCursor
                onClicked: {
                    toggleProc.action = entry.modelData.connected ? "disconnect" : "connect";
                    toggleProc.mac = entry.modelData.mac;
                    toggleProc.running = true;
                    menuWindow.dismiss();
                }
            }
        }
    }

    Text {
        visible: menuWindow._devices.length === 0
        width: menuWindow.panelWidth
        height: 32
        horizontalAlignment: Text.AlignHCenter
        verticalAlignment: Text.AlignVCenter
        text: "No paired devices"
        color: M.Theme.base04
        font.pixelSize: M.Theme.fontSize
        font.family: M.Theme.fontFamily
    }
}