import React, { memo, useState, useEffect } from 'react';
import cc from 'classcat';
import { shallow } from 'zustand/shallow';
import { useStoreApi, useStore, useReactFlow, Panel } from '@reactflow/core';

function PlusIcon() {
    return (React.createElement("svg", { xmlns: "http://www.w3.org/2000/svg", viewBox: "0 0 32 32" },
        React.createElement("path", { d: "M32 18.133H18.133V32h-4.266V18.133H0v-4.266h13.867V0h4.266v13.867H32z" })));
}

function MinusIcon() {
    return (React.createElement("svg", { xmlns: "http://www.w3.org/2000/svg", viewBox: "0 0 32 5" },
        React.createElement("path", { d: "M0 0h32v4.2H0z" })));
}

function FitViewIcon() {
    return (React.createElement("svg", { xmlns: "http://www.w3.org/2000/svg", viewBox: "0 0 32 30" },
        React.createElement("path", { d: "M3.692 4.63c0-.53.4-.938.939-.938h5.215V0H4.708C2.13 0 0 2.054 0 4.63v5.216h3.692V4.631zM27.354 0h-5.2v3.692h5.17c.53 0 .984.4.984.939v5.215H32V4.631A4.624 4.624 0 0027.354 0zm.954 24.83c0 .532-.4.94-.939.94h-5.215v3.768h5.215c2.577 0 4.631-2.13 4.631-4.707v-5.139h-3.692v5.139zm-23.677.94c-.531 0-.939-.4-.939-.94v-5.138H0v5.139c0 2.577 2.13 4.707 4.708 4.707h5.138V25.77H4.631z" })));
}

function LockIcon() {
    return (React.createElement("svg", { xmlns: "http://www.w3.org/2000/svg", viewBox: "0 0 25 32" },
        React.createElement("path", { d: "M21.333 10.667H19.81V7.619C19.81 3.429 16.38 0 12.19 0 8 0 4.571 3.429 4.571 7.619v3.048H3.048A3.056 3.056 0 000 13.714v15.238A3.056 3.056 0 003.048 32h18.285a3.056 3.056 0 003.048-3.048V13.714a3.056 3.056 0 00-3.048-3.047zM12.19 24.533a3.056 3.056 0 01-3.047-3.047 3.056 3.056 0 013.047-3.048 3.056 3.056 0 013.048 3.048 3.056 3.056 0 01-3.048 3.047zm4.724-13.866H7.467V7.619c0-2.59 2.133-4.724 4.723-4.724 2.591 0 4.724 2.133 4.724 4.724v3.048z" })));
}

function UnlockIcon() {
    return (React.createElement("svg", { xmlns: "http://www.w3.org/2000/svg", viewBox: "0 0 25 32" },
        React.createElement("path", { d: "M21.333 10.667H19.81V7.619C19.81 3.429 16.38 0 12.19 0c-4.114 1.828-1.37 2.133.305 2.438 1.676.305 4.42 2.59 4.42 5.181v3.048H3.047A3.056 3.056 0 000 13.714v15.238A3.056 3.056 0 003.048 32h18.285a3.056 3.056 0 003.048-3.048V13.714a3.056 3.056 0 00-3.048-3.047zM12.19 24.533a3.056 3.056 0 01-3.047-3.047 3.056 3.056 0 013.047-3.048 3.056 3.056 0 013.048 3.048 3.056 3.056 0 01-3.048 3.047z" })));
}

const ControlButton = ({ children, className, ...rest }) => (React.createElement("button", { type: "button", className: cc(['react-flow__controls-button', className]), ...rest }, children));
ControlButton.displayName = 'ControlButton';

const selector = (s) => ({
    isInteractive: s.nodesDraggable || s.nodesConnectable || s.elementsSelectable,
    minZoomReached: s.transform[2] <= s.minZoom,
    maxZoomReached: s.transform[2] >= s.maxZoom,
});
const Controls = ({ style, showZoom = true, showFitView = true, showInteractive = true, fitViewOptions, onZoomIn, onZoomOut, onFitView, onInteractiveChange, className, children, position = 'bottom-left', }) => {
    const store = useStoreApi();
    const [isVisible, setIsVisible] = useState(false);
    const { isInteractive, minZoomReached, maxZoomReached } = useStore(selector, shallow);
    const { zoomIn, zoomOut, fitView } = useReactFlow();
    useEffect(() => {
        setIsVisible(true);
    }, []);
    if (!isVisible) {
        return null;
    }
    const onZoomInHandler = () => {
        zoomIn();
        onZoomIn?.();
    };
    const onZoomOutHandler = () => {
        zoomOut();
        onZoomOut?.();
    };
    const onFitViewHandler = () => {
        fitView(fitViewOptions);
        onFitView?.();
    };
    const onToggleInteractivity = () => {
        store.setState({
            nodesDraggable: !isInteractive,
            nodesConnectable: !isInteractive,
            elementsSelectable: !isInteractive,
        });
        onInteractiveChange?.(!isInteractive);
    };
    return (React.createElement(Panel, { className: cc(['react-flow__controls', className]), position: position, style: style, "data-testid": "rf__controls" },
        showZoom && (React.createElement(React.Fragment, null,
            React.createElement(ControlButton, { onClick: onZoomInHandler, className: "react-flow__controls-zoomin", title: "zoom in", "aria-label": "zoom in", disabled: maxZoomReached },
                React.createElement(PlusIcon, null)),
            React.createElement(ControlButton, { onClick: onZoomOutHandler, className: "react-flow__controls-zoomout", title: "zoom out", "aria-label": "zoom out", disabled: minZoomReached },
                React.createElement(MinusIcon, null)))),
        showFitView && (React.createElement(ControlButton, { className: "react-flow__controls-fitview", onClick: onFitViewHandler, title: "fit view", "aria-label": "fit view" },
            React.createElement(FitViewIcon, null))),
        showInteractive && (React.createElement(ControlButton, { className: "react-flow__controls-interactive", onClick: onToggleInteractivity, title: "toggle interactivity", "aria-label": "toggle interactivity" }, isInteractive ? React.createElement(UnlockIcon, null) : React.createElement(LockIcon, null))),
        children));
};
Controls.displayName = 'Controls';
var Controls$1 = memo(Controls);

export { ControlButton, Controls$1 as Controls };