/**
 * Based on ReactArt.js
 * Copyright (c) 2017-present Lavrenov Anton.
 * All rights reserved.
 *
 * MIT
 */
'use strict';
import React from 'react';
import { useFormStatus } from 'react-dom';
const [reactMajor, reactMinor] = React.version.split('.').map(Number);
if (reactMajor !== 19 || reactMinor < 3) {
    throw new Error('react-konva requires React 19.3 or later within React 19. ' +
        'Install matching versions of react and react-dom. ' +
        'For React 19.2, use react-konva 19.2. For React 18, use react-konva 18.');
}
import Konva from 'konva/lib/Core.js';
import ReactFiberReconciler from 'react-reconciler';
import { ConcurrentRoot } from 'react-reconciler/constants.js';
import * as HostConfig from './ReactKonvaHostConfig.js';
import { getEventBatch, addPendingUnmount, prepareUnmounts } from './EventBatch.js';
import { applyNodeProps, toggleStrictMode, EVENTS_NAMESPACE, } from './makeUpdates.js';
import { useContextBridge, useFiber, traverseFiber, FiberProvider } from 'its-fine';
function SuspendCanvas({ promise }) {
    throw promise;
}
const StageWrap = (props) => {
    const container = React.useRef(null);
    const stage = React.useRef(null);
    const fiberRef = React.useRef(null);
    const children = React.useRef(null);
    const suspension = React.useRef(null);
    // DOM and Konva reconcilers have separate useId counters.
    const identifierPrefix = React.useId();
    const formStatus = useFormStatus();
    const previousProps = React.useRef({});
    // Keep the render-time snapshot when React replays layout effects.
    const oldProps = previousProps.current;
    const Bridge = useContextBridge();
    const fiber = useFiber();
    const isStrictMode = !!traverseFiber(fiber, true, (node) => node.type === React.StrictMode);
    const effectsDisconnected = React.useRef(false);
    const isUnmounting = React.useRef(false);
    const cancelUnmount = React.useRef(null);
    // Insertion effects stay mounted during hiding and StrictMode replay.
    // Activity has already disconnected layout and passive effects when hidden.
    // Its remaining insertion cleanups must still run inside a DOM commit.
    React.useInsertionEffect(() => {
        isUnmounting.current = false;
        return () => {
            isUnmounting.current = true;
            if (effectsDisconnected.current && stage.current)
                destroyStage();
        };
    }, []);
    const destroyStage = () => {
        cancelUnmount.current?.();
        cancelUnmount.current = null;
        prepareUnmounts();
        // Discard queued child work before destroying the Stage, including updates
        // from external stores whose objects are no longer alive.
        KonvaRenderer.flushSyncFromReconciler(() => {
            KonvaRenderer.updateContainer(null, fiberRef.current, null);
        });
        stage.current?.destroy();
        stage.current?.off(EVENTS_NAMESPACE);
        stage.current = null;
        suspension.current?.resolve();
        suspension.current = null;
    };
    const setCanvasVisibility = (mode) => {
        if (mode === 'suspended') {
            if (!suspension.current) {
                let resolve;
                const promise = new Promise((done) => {
                    resolve = done;
                });
                suspension.current = { promise, resolve };
            }
        }
        else {
            suspension.current?.resolve();
            suspension.current = null;
        }
        KonvaRenderer.updateContainer(React.createElement(React.Activity, {
            mode: mode === 'hidden' ? 'hidden' : 'visible',
            children: React.createElement(React.Suspense, { fallback: null }, children.current, suspension.current &&
                React.createElement(SuspendCanvas, {
                    promise: suspension.current.promise,
                })),
        }), fiberRef.current, null);
        prepareUnmounts();
        // Parent layout effects must see the committed canvas nodes and refs.
        KonvaRenderer.flushSyncWork();
    };
    React.useLayoutEffect(() => {
        cancelUnmount.current?.();
        cancelUnmount.current = null;
        // Reconnecting layout effects reuses the existing Stage.
        if (!stage.current) {
            stage.current = new Konva.Stage({
                width: props.width,
                height: props.height,
                container: container.current,
            });
            fiberRef.current = KonvaRenderer.createContainer(stage.current, ConcurrentRoot, null, isStrictMode, null, identifierPrefix, console.error, console.error, console.error, null, null);
        }
        return () => {
            if (!isUnmounting.current) {
                // If this hidden Stage is deleted, discard queued child work before
                // another root or the scheduler flushes it.
                const unmount = () => {
                    if (!isUnmounting.current)
                        return;
                    cancelUnmount.current?.();
                    cancelUnmount.current = null;
                    KonvaRenderer.updateContainer(null, fiberRef.current, null);
                };
                cancelUnmount.current = addPendingUnmount(unmount);
                // Suspense disconnects layout effects but keeps passive effects.
                setCanvasVisibility('suspended');
            }
            else {
                destroyStage();
            }
        };
    }, []);
    React.useEffect(() => {
        effectsDisconnected.current = false;
        return () => {
            effectsDisconnected.current = true;
            // Activity and StrictMode also disconnect the DOM passive effects.
            if (!stage.current)
                return;
            if (isUnmounting.current)
                destroyStage();
            else
                setCanvasVisibility('hidden');
        };
    }, []);
    React.useLayoutEffect(() => {
        // Older Konva versions use the normal asynchronous React scheduler.
        if (typeof stage.current.eventBatchFunc === 'function') {
            stage.current.eventBatchFunc(getEventBatch(props.eventBatchFunc));
        }
    }, [props.eventBatchFunc]);
    React.useImperativeHandle(props.forwardedRef, () => stage.current, []);
    React.useLayoutEffect(() => {
        previousProps.current = props;
        applyNodeProps(stage.current, props, oldProps);
        // updateContainer schedules sync-lane work; with async scheduleMicrotask
        // the work is queued, so flushSyncWork() drains it inline here so that
        // a parent useLayoutEffect can read Konva nodes added by subscribing
        // children. (Lighter than flushSyncFromReconciler — no callback wrapper.)
        children.current = React.createElement(HostConfig.HostTransitionContext.Provider, { value: formStatus }, React.createElement(Bridge, {}, props.children));
        setCanvasVisibility('visible');
    });
    return React.createElement('div', {
        ref: container,
        id: props.id,
        accessKey: props.accessKey,
        className: props.className,
        role: props.role,
        style: props.style,
        tabIndex: props.tabIndex,
        title: props.title,
    });
};
export const Layer = 'Layer';
export const FastLayer = 'FastLayer';
export const Group = 'Group';
export const Label = 'Label';
export const Rect = 'Rect';
export const Circle = 'Circle';
export const Ellipse = 'Ellipse';
export const Wedge = 'Wedge';
export const Line = 'Line';
export const Sprite = 'Sprite';
export const Image = 'Image';
export const Text = 'Text';
export const TextPath = 'TextPath';
export const Star = 'Star';
export const Ring = 'Ring';
export const Arc = 'Arc';
export const Tag = 'Tag';
export const Path = 'Path';
export const RegularPolygon = 'RegularPolygon';
export const Arrow = 'Arrow';
export const Shape = 'Shape';
export const Transformer = 'Transformer';
export const version = '19.3.2';
const rendererConfig = {
    ...HostConfig,
    // React's public context type omits fields used by the reconciler.
    HostTransitionContext: HostConfig.HostTransitionContext,
    rendererVersion: version,
    rendererPackageName: 'react-konva',
    extraDevToolsConfig: null,
};
export const KonvaRenderer = ReactFiberReconciler(rendererConfig);
KonvaRenderer.injectIntoDevTools();
export const Stage = React.forwardRef((props, ref) => {
    return React.createElement(FiberProvider, {}, React.createElement(StageWrap, { ...props, forwardedRef: ref }));
});
export const useStrictMode = toggleStrictMode;
// export useContextBridge from its-fine for reuse in react-konva-utils
// so react-konva-utils don't use its own version of its-fine (it is possible on pnpm)
export { useContextBridge };