/**
 * ✔ nodes
 */
import { View } from 'react-native';
import { useRef, forwardRef, useState, createElement } from 'react';
import useInnerProps from '../getInnerListeners';
import useNodesRef from '../useNodesRef'; // 引入辅助函数
import { useTransformStyle, useLayout, extendObject } from '../utils';
import { WebView } from 'react-native-webview';
import { generateHTML } from './html';
import Portal from '../mpx-portal';
function jsonToHtmlStr(elements) {
    let htmlStr = '';
    for (const element of elements) {
        if (element.type === 'text') {
            htmlStr += element.text;
            return htmlStr;
        }
        const { name, attrs = {}, children = [] } = element;
        let attrStr = '';
        for (const [key, value] of Object.entries(attrs))
            attrStr += ` ${key}="${value}"`;
        let childrenStr = '';
        for (const child of children)
            childrenStr += jsonToHtmlStr([child]);
        htmlStr += `<${name}${attrStr}>${childrenStr}</${name}>`;
    }
    return htmlStr;
}
const _RichText = forwardRef((props, ref) => {
    const { style = {}, nodes, 'enable-var': enableVar, 'external-var-context': externalVarContext, 'parent-font-size': parentFontSize, 'parent-width': parentWidth, 'parent-height': parentHeight } = props;
    const nodeRef = useRef(null);
    const [webViewHeight, setWebViewHeight] = useState(0);
    const { normalStyle, hasSelfPercent, setWidth, setHeight, hasPositionFixed } = useTransformStyle(Object.assign({
        width: '100%',
        height: webViewHeight
    }, style), {
        enableVar,
        externalVarContext,
        parentFontSize,
        parentWidth,
        parentHeight
    });
    const { layoutRef, layoutStyle, layoutProps } = useLayout({ props, hasSelfPercent, setWidth, setHeight, nodeRef });
    useNodesRef(props, ref, nodeRef, {
        layoutRef
    });
    const innerProps = useInnerProps(extendObject({}, props, layoutProps, {
        ref: nodeRef,
        style: extendObject(normalStyle, layoutStyle)
    }), [], {
        layoutRef
    });
    const html = typeof nodes === 'string' ? nodes : jsonToHtmlStr(nodes);
    let finalComponent = createElement(View, innerProps, createElement(WebView, {
        source: { html: generateHTML(html) },
        onMessage: (event) => {
            setWebViewHeight(+event.nativeEvent.data);
        },
        style: {
            backgroundColor: 'transparent'
        }
    }));
    if (hasPositionFixed) {
        finalComponent = createElement(Portal, null, finalComponent);
    }
    return finalComponent;
});
_RichText.displayName = 'MpxRichText';
export default _RichText;