pragma Singleton

import QtQuick
import Quickshell
import Quickshell.Io
import Quickshell.Services.Notifications

QtObject {
    id: root

    property var list: []
    property bool dnd: false

    readonly property var active: list.filter(n => !n.closed)
    readonly property var popups: list.filter(n => n.popup && !n.closed)
    readonly property int count: active.length

    function dismiss(notifId) {
        const n = list.find(n => n.id === notifId);
        if (n) {
            n.popup = false;
            n.closed = true;
            n.notification?.dismiss();
            _changed();
        }
    }

    function dismissAll() {
        for (const n of list.slice()) {
            n.popup = false;
            n.closed = true;
            n.notification?.dismiss();
        }
        _changed();
    }

    function dismissPopup(notifId) {
        const n = list.find(n => n.id === notifId);
        if (n) {
            n.popup = false;
            _changed();
        }
    }

    function toggleDnd() {
        dnd = !dnd;
    }

    function _changed() {
        list = list.slice();
        _saveTimer.restart();
    }

    property NotificationServer _server: NotificationServer {
        actionsSupported: true
        bodyMarkupSupported: true
        imageSupported: true
        persistenceSupported: true
        keepOnReload: false

        onNotification: notif => {
            notif.tracked = true;

            const data = {
                id: notif.id,
                summary: notif.summary,
                body: notif.body,
                appName: notif.appName,
                appIcon: notif.appIcon,
                image: notif.image,
                urgency: notif.urgency,
                actions: notif.actions ? notif.actions.map(a => ({
                            identifier: a.identifier,
                            text: a.text,
                            invoke: () => a.invoke()
                        })) : [],
                time: Date.now(),
                popup: !root.dnd,
                closed: false,
                notification: notif
            };

            root.list = [data, ...root.list];

            // Auto-expire popup
            if (data.popup) {
                const timeout = notif.expireTimeout > 0 ? notif.expireTimeout : 5000;
                Qt.callLater(() => {
                    _expireTimer.createObject(root, {
                        _notifId: data.id,
                        interval: timeout
                    });
                });
            }
        }
    }

    property Component _expireTimer: Component {
        Timer {
            property string _notifId
            running: true
            onTriggered: {
                root.dismissPopup(_notifId);
                destroy();
            }
        }
    }

    // Persistence
    property Timer _saveTimer: Timer {
        interval: 1000
        onTriggered: {
            const data = root.active.map(n => ({
                        id: n.id,
                        summary: n.summary,
                        body: n.body,
                        appName: n.appName,
                        appIcon: n.appIcon,
                        image: n.image,
                        urgency: n.urgency,
                        time: n.time
                    }));
            _storage.setText(JSON.stringify(data));
        }
    }

    property FileView _storage: FileView {
        path: (Quickshell.env("XDG_STATE_HOME") || (Quickshell.env("HOME") + "/.local/state")) + "/nova-shell/notifs.json"
        onLoaded: {
            try {
                const data = JSON.parse(text());
                for (const n of data) {
                    n.popup = false;
                    n.closed = false;
                    n.notification = null;
                    n.actions = [];
                }
                root.list = data.concat(root.list);
            } catch (e) {}
        }
    }
}