import { ProviderManager } from '../providers/manager.js';
import { duckArt } from '../utils/ascii-art.js';
import { logger } from '../utils/logger.js';
import type { ProgressReporter } from '../services/progress.js';
export async function compareDucksTool(
providerManager: ProviderManager,
args: Record<string, unknown>,
progress?: ProgressReporter
) {
const { prompt, providers, model } = args as {
prompt?: string;
providers?: string[];
model?: string;
};
if (!prompt) {
throw new Error('Prompt is required');
}
// Get responses from multiple ducks, reporting progress as each completes
const responses = progress
? await providerManager.compareDucksWithProgress(
prompt,
providers,
{ model },
(providerName, completed, total) => {
void progress.report(completed, total, `${providerName} responded (${completed}/${total})`);
}
)
: await providerManager.compareDucks(prompt, providers, { model });
// Build comparison response
let response = `${duckArt.panel}\n`;
response += `Asked: "${prompt}"\n\n`;
response += `═══════════════════════════════════════\n\n`;
for (const duckResponse of responses) {
response += `🦆 **${duckResponse.nickname}** (${duckResponse.provider})\n`;
response += `─────────────────────────────────────\n`;
if (duckResponse.content.startsWith('Error:')) {
response += `❌ ${duckResponse.content}\n`;
} else {
response += `${duckResponse.content}\n`;
response += `\n📍 Model: ${duckResponse.model}`;
if (duckResponse.usage) {
response += ` | 📊 Tokens: ${duckResponse.usage.total_tokens}`;
}
if (duckResponse.latency > 0) {
response += ` | ⏱️ ${duckResponse.latency}ms`;
}
}
response += `\n\n`;
}
// Add summary
const successCount = responses.filter(r => !r.content.startsWith('Error:')).length;
response += `═══════════════════════════════════════\n`;
response += `✅ ${successCount}/${responses.length} ducks responded successfully`;
logger.info(`Compared ${responses.length} ducks, ${successCount} successful`);
// Build structured data for UI consumption
const structuredData = responses.map(r => ({
provider: r.provider,
nickname: r.nickname,
model: r.model,
content: r.content,
latency: r.latency,
tokens: r.usage ? {
prompt: r.usage.prompt_tokens,
completion: r.usage.completion_tokens,
total: r.usage.total_tokens,
} : null,
error: r.content.startsWith('Error:') ? r.content : undefined,
}));
return {
content: [
{
type: 'text',
text: response,
},
{
type: 'text',
text: JSON.stringify(structuredData),
},
],
};
}
