import QtQuick
import Quickshell
import Quickshell.Io
import qs.Common
pragma Singleton
pragma ComponentBehavior: Bound

Singleton {
    id: root

    property bool inhibitorAvailable: true
    property bool idleInhibited: false
    property string inhibitReason: "Keep system awake"
    
    signal inhibitorChanged()

    function enableIdleInhibit() {
        if (idleInhibited) return;
        idleInhibited = true;
        inhibitorChanged();
    }
    
    function disableIdleInhibit() {
        if (!idleInhibited) return;
        idleInhibited = false;
        inhibitorChanged();
    }
    
    function toggleIdleInhibit() {
        if (idleInhibited) {
            disableIdleInhibit();
        } else {
            enableIdleInhibit();
        }
    }
    
    function setInhibitReason(reason) {
        inhibitReason = reason;
        
        if (idleInhibited) {
            const wasActive = idleInhibited;
            idleInhibited = false;
            
            Qt.callLater(() => {
                if (wasActive) idleInhibited = true;
            });
        }
    }

    Process {
        id: idleInhibitProcess
        
        command: {
            if (!idleInhibited) {
                return ["true"];
            }
            
            return [
                "systemd-inhibit",
                "--what=idle",
                "--who=quickshell",
                "--why=" + inhibitReason,
                "--mode=block",
                "sleep", "infinity"
            ];
        }
        
        running: idleInhibited
        
        onExited: function(exitCode) {
            if (idleInhibited && exitCode !== 0) {
                console.warn("IdleInhibitorService: Inhibitor process crashed with exit code:", exitCode);
                idleInhibited = false;
                ToastService.showWarning("Idle inhibitor failed");
            }
        }
    }
    
    IpcHandler {
        function toggle() : string {
            root.toggleIdleInhibit();
            return root.idleInhibited ? "Idle inhibit enabled" : "Idle inhibit disabled";
        }
        
        function enable() : string {
            root.enableIdleInhibit();
            return "Idle inhibit enabled";
        }
        
        function disable() : string {
            root.disableIdleInhibit();
            return "Idle inhibit disabled";
        }
        
        function status() : string {
            return root.idleInhibited ? "Idle inhibit is enabled" : "Idle inhibit is disabled";
        }
        
        function reason(newReason: string) : string {
            if (!newReason) {
                return "Current reason: " + root.inhibitReason;
            }
            
            root.setInhibitReason(newReason);
            return "Inhibit reason set to: " + newReason;
        }
        
        target: "inhibit"
    }
}