Resource getter

interface SearchResult {
    type: 'image' | 'video';
    url: string;
    title: string;
}

async function searchImages(query: string): Promise<SearchResult[]> {
    // Simulated image search API call
    return new Promise<SearchResult[]>((resolve) => {
        setTimeout(() => {
            resolve([
                { type: 'image', url: 'https://example.com/image1.jpg', title: 'Cute cat' },
                { type: 'image', url: 'https://example.com/image2.jpg', title: 'Playful kitten' },
            ]);
        }, 200);
    });
}


const saxParser = new SaxaMLLParser();
let finalResponseCollector: string[] = [];
let promises: Promise<string | void>[] = [];

saxParser.executor.upon('tagOpen').for(searchQueryTag).do(async (node: XMLNode) => {
    const searchQuery = getText(node);
    const onSuccess = node.attributes?.onSuccess || '';
    const onFailure = node.attributes?.onFailure || '';

    finalResponseCollector.push("SEARCH_RESULT");

    const searchPromise = Promise.all([searchImages(searchQuery)])
        .then(([images]) => {
            const allResults = [...images];
            if (allResults.length > 0) {
                const result = allResults[0]; // Just use the first result for simplicity
                let resultHtml = onSuccess + ' ';
                resultHtml += `<img src="${result.url}" alt="${result.title}">`;
                return resultHtml;
            } else {
                return onFailure;
            }
        });

    promises.push(searchPromise.then(resultHtml => {
        return resultHtml;
    }));
});

saxParser.executor.upon('update').for("root").do(([parent, node, isCommitted]) => {
    finalResponseCollector.push(getText(node));
})


// Streaming example
const input = 'I really like cats. <search_query query="cats" onSuccess="Look at this one!" onFailure="Sorry, I couldn\'t find any images."></search_query> They\'re so cute!';

let currentIndex = 0;
while (currentIndex < input.length) {
    saxParser.parse(input[currentIndex]);
    saxParser.update();
    currentIndex++;
}

let finalResponse = "";
for (const response of finalResponseCollector) {
    if (response === "SEARCH_RESULT") {
        finalResponse += await promises.shift();
        continue;
    }
    finalResponse += response;
}

// success? "I really like cats. Look at this one! <img src="https://example.com/image1.jpg" alt="Cute cat">They're so cute!"
// failure? "I really like cats. Sorry, I couldn't find any images. They're so cute!"
console.log(finalResponse);