/**
 * Renders the provided audit results to well-formatted and valid HTML.
 *
 * Do note that the rendered result is not an HTML document, it's rather
 * just a component with results.
 */
export async function renderAuditResultsToHTML(results) {
    const grouped = {
        total: 0,
        ok: [],
        notice: [],
        warn: [],
        error: [],
    };
    for (const result of results) {
        grouped.total++;
        if (result.status === 'ok') {
            grouped[result.status].push(result);
        }
        else {
            grouped[result.status].push(result);
        }
    }
    let report = '<i>* This report was auto-generated by graphql-http</i>\n';
    report += '\n';
    report += '<h1>GraphQL over HTTP audit report</h1>\n';
    report += '\n';
    report += '<ul>\n';
    report += `<li><b>${grouped.total}</b> audits in total</li>\n`;
    // font-family: monospace helps render native emojis in HTML
    if (grouped.ok.length) {
        report += `<li><span style="font-family: monospace">✅</span> <b>${grouped.ok.length}</b> pass</li>\n`;
    }
    if (grouped.notice.length) {
        report += `<li><span style="font-family: monospace">💡</span> <b>${grouped.notice.length}</b> notices (suggestions)</li>\n`;
    }
    if (grouped.warn.length) {
        // TODO: warning sign is rendered as "⚠️" in markdown instead of the emoji
        report += `<li><span style="font-family: monospace">⚠️</span> <b>${grouped.warn.length}</b> warnings (optional)</li>\n`;
    }
    if (grouped.error.length) {
        report += `<li><span style="font-family: monospace">❌</span> <b>${grouped.error.length}</b> errors (required)</li>\n`;
    }
    report += '</ul>\n';
    report += '\n';
    if (grouped.ok.length) {
        report += '<h2>Passing</h2>\n';
        report += '<ol>\n';
        for (const [, result] of grouped.ok.entries()) {
            report += `<li><code>${result.id}</code> ${result.name}</li>\n`;
        }
        report += '</ol>\n';
        report += '\n';
    }
    if (grouped.notice.length) {
        report += `<h2>Notices</h2>\n`;
        report +=
            'The server <i>MAY</i> support these, but are truly optional. These are suggestions following recommended conventions.\n';
        report += '<ol>\n';
        for (const [, result] of grouped.notice.entries()) {
            report += await printAuditFail(result);
        }
        report += '</ol>\n';
        report += '\n';
    }
    if (grouped.warn.length) {
        report += `<h2>Warnings</h2>\n`;
        report += 'The server <i>SHOULD</i> support these, but is not required.\n';
        report += '<ol>\n';
        for (const [, result] of grouped.warn.entries()) {
            report += await printAuditFail(result);
        }
        report += '</ol>\n';
        report += '\n';
    }
    if (grouped.error.length) {
        report += `<h2>Errors</h2>\n`;
        report += 'The server <b>MUST</b> support these.\n';
        report += '<ol>\n';
        for (const [, result] of grouped.error.entries()) {
            report += await printAuditFail(result);
        }
        report += '</ol>\n';
    }
    return report;
}
async function printAuditFail(result) {
    let report = '';
    report += `<li><code>${result.id}</code> ${result.name}\n`;
    report += '<details>\n';
    report += `<summary>${truncate(result.reason)}</summary>\n`;
    report += '<pre><code class="lang-json">'; // no "\n" because they count in HTML pre tags
    const res = result.response;
    const headers = {};
    for (const [key, val] of res.headers.entries()) {
        // some headers change on each run, dont report it
        if (key === 'date') {
            headers[key] = '<timestamp>';
        }
        else if (['cf-ray', 'server-timing'].includes(key)) {
            headers[key] = '<omitted>';
        }
        else {
            headers[key] = val;
        }
    }
    let text = '', json;
    try {
        text = await res.text();
        json = JSON.parse(text);
    }
    catch (_a) {
        // noop
    }
    const stringified = JSON.stringify({
        status: res.status,
        statusText: res.statusText,
        headers,
        body: json || ((text === null || text === void 0 ? void 0 : text.length) > 5120 ? '<body is too long>' : text) || null,
    }, (_k, v) => {
        if (v != null && typeof v === 'object' && !Array.isArray(v)) {
            // sort object fields for stable stringify
            const acc = {};
            return Object.keys(v)
                .sort()
                .reverse() // body on bottom
                .reduce((acc, k) => {
                acc[k] = v[k];
                return acc;
            }, acc);
        }
        return v;
    }, 2);
    report += stringified + '\n';
    report += '</code></pre>\n';
    report += '</details>\n';
    report += '</li>\n';
    return report;
}
function truncate(str, len = 1024) {
    if (str.length > len) {
        return str.substring(0, len) + '...';
    }
    return str;
}