import QtQuick
import Quickshell
import Quickshell.Hyprland
import Quickshell.Io
import QtQuick.Effects
import Quickshell.Widgets
import Quickshell.Wayland

FloatingWindow {
    id: overlay
    visible: toplevel
    color: "transparent"
    property var toplevel: null
    title: "monoverlay"

    Process {
        id: slurp
        command: ['sh', '-c', "slurp -f %x,%y,%w,%h </dev/null"]
        stdout: StdioCollector { onStreamFinished: {
            let [x, y, w, h] = this.text.split(',')
            const toplevel = Hyprland.activeToplevel
            const {at, size} = toplevel.lastIpcObject
            x -= at[0]
            y -= at[1]
            source.sourceRect = Qt.rect(x, y, w, h)
            console.log(x, y, w, h, toplevel)
            overlay.toplevel = toplevel.wayland
        }}
    }

    IpcHandler {
        target: "overlay"
        function open() {slurp.running = true}
    }

    ScreencopyView {
        id: view
        visible: false
        layer.enabled: true
        width: sourceSize.width
        height: sourceSize.height
        // layer.effect: ShaderEffect {
        //     fragmentShader: "discord.frag.qsb"
        //     property color bgcol: "#111111"
        // }
        live: true
        captureSource: overlay.toplevel
    }
    ShaderEffectSource {
        id: source
        anchors.fill: parent
        sourceItem: view
    }

    onClosed: toplevel = null
}