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Filename : generic-utils.js
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import { Boom } from '@hapi/boom';
import { proto } from '../../WAProto/index.js';
import {} from './types.js';
// some extra useful utilities
export const getBinaryNodeChildren = (node, childTag) => {
    if (Array.isArray(node?.content)) {
        return node.content.filter(item => item.tag === childTag);
    }
    return [];
};
export const getAllBinaryNodeChildren = ({ content }) => {
    if (Array.isArray(content)) {
        return content;
    }
    return [];
};
export const getBinaryNodeChild = (node, childTag) => {
    if (Array.isArray(node?.content)) {
        return node?.content.find(item => item.tag === childTag);
    }
};
export const getBinaryNodeChildBuffer = (node, childTag) => {
    const child = getBinaryNodeChild(node, childTag)?.content;
    if (Buffer.isBuffer(child) || child instanceof Uint8Array) {
        return child;
    }
};
export const getBinaryNodeChildString = (node, childTag) => {
    const child = getBinaryNodeChild(node, childTag)?.content;
    if (Buffer.isBuffer(child) || child instanceof Uint8Array) {
        return Buffer.from(child).toString('utf-8');
    }
    else if (typeof child === 'string') {
        return child;
    }
};
export const getBinaryNodeChildUInt = (node, childTag, length) => {
    const buff = getBinaryNodeChildBuffer(node, childTag);
    if (buff) {
        return bufferToUInt(buff, length);
    }
};
export const assertNodeErrorFree = (node) => {
    const errNode = getBinaryNodeChild(node, 'error');
    if (errNode) {
        throw new Boom(errNode.attrs.text || 'Unknown error', { data: +errNode.attrs.code });
    }
};
export const reduceBinaryNodeToDictionary = (node, tag) => {
    const nodes = getBinaryNodeChildren(node, tag);
    const dict = nodes.reduce((dict, { attrs }) => {
        if (typeof attrs.name === 'string') {
            dict[attrs.name] = attrs.value || attrs.config_value;
        }
        else {
            dict[attrs.config_code] = attrs.value || attrs.config_value;
        }
        return dict;
    }, {});
    return dict;
};
export const getBinaryNodeMessages = ({ content }) => {
    const msgs = [];
    if (Array.isArray(content)) {
        for (const item of content) {
            if (item.tag === 'message') {
                msgs.push(proto.WebMessageInfo.decode(item.content).toJSON());
            }
        }
    }
    return msgs;
};
function bufferToUInt(e, t) {
    let a = 0;
    for (let i = 0; i < t; i++) {
        a = 256 * a + e[i];
    }
    return a;
}
const tabs = (n) => '\t'.repeat(n);
export function binaryNodeToString(node, i = 0) {
    if (!node) {
        return node;
    }
    if (typeof node === 'string') {
        return tabs(i) + node;
    }
    if (node instanceof Uint8Array) {
        return tabs(i) + Buffer.from(node).toString('hex');
    }
    if (Array.isArray(node)) {
        return node.map(x => tabs(i + 1) + binaryNodeToString(x, i + 1)).join('\n');
    }
    const children = binaryNodeToString(node.content, i + 1);
    const tag = `<${node.tag} ${Object.entries(node.attrs || {})
        .filter(([, v]) => v !== undefined)
        .map(([k, v]) => `${k}='${v}'`)
        .join(' ')}`;
    const content = children ? `>\n${children}\n${tabs(i)}</${node.tag}>` : '/>';
    return tag + content;
}
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