#!/usr/bin/env node

/**

* Weekly Evolution Insight & Trend Analysis

* Analyzes GEP events to detect stagnation, hotspots, and innovation trends.

* Version: 1.0.2 (Cycle #3321 Retry 3)

*/

const fs = require('fs');

const path = require('path');

const WORKSPACE_ROOT = path.resolve(__dirname, '../../');

const EVENTS_FILE = path.join(WORKSPACE_ROOT, 'assets/gep/events.jsonl');

const OUTPUT_FILE = path.join(WORKSPACE_ROOT, 'logs/weekly_insight_report.md');

function analyze() {

console.log(`[Insight] Reading events from ${EVENTS_FILE}...`);

if (!fs.existsSync(EVENTS_FILE)) {

console.error("Error: Events file not found.");

return;

}

const events = [];

const fileContent = fs.readFileSync(EVENTS_FILE, 'utf8');

const lines = fileContent.split('\n').filter(Boolean);

lines.forEach(line => {

try {

const obj = JSON.parse(line);

if (obj.type === 'EvolutionEvent') {

events.push(obj);

}

} catch (e) {}

});

const now = new Date();

const oneWeekAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);

// Filter last 7 days

const weeklyEvents = events.filter(e => {

const ts = parseInt(e.id.replace('evt_', ''));

return ts >= oneWeekAgo.getTime();

});

const total = weeklyEvents.length;

if (total === 0) {

console.log("No events in the last 7 days.");

return;

}

// 1. Innovation Ratio

const intents = { innovate: 0, repair: 0, optimize: 0 };

weeklyEvents.forEach(e => {

if (intents[e.intent] !== undefined) intents[e.intent]++;

});

const innovationRatio = ((intents.innovate / total) * 100).toFixed(1);

// 2. Success Rate

const successful = weeklyEvents.filter(e => e.outcome && e.outcome.status === 'success').length;

const successRate = ((successful / total) * 100).toFixed(1);

// 3. File Hotspots (Which files are touched most?)

// Note: This requires 'blast_radius' to have file details, but standard event only has count.

// However, some events might log details in 'meta' or we can infer from 'gene'.

// Actually, 'blast_radius' in standard GEP is just { files: N, lines: N }.

// We can't track specific files unless we parse git logs, which is expensive.

// But we CAN track **Genes**.

const geneUsage = {};

const geneFailures = {};

weeklyEvents.forEach(e => {

const geneId = (e.genes_used && e.genes_used[0]) || 'unknown';

geneUsage[geneId] = (geneUsage[geneId] || 0) + 1;

if (e.outcome && e.outcome.status === 'failed') {

geneFailures[geneId] = (geneFailures[geneId] || 0) + 1;

}

});

const topGenes = Object.entries(geneUsage)

.sort((a, b) => b[1] - a[1])

.slice(0, 5);

const topFailures = Object.entries(geneFailures)

.sort((a, b) => b[1] - a[1])

.slice(0, 3);

// --- Generate Report ---

let md = `# 🧬 Weekly Evolution Insight\n`;

md += `> Period: ${oneWeekAgo.toISOString().split('T')[0]} to ${now.toISOString().split('T')[0]}\n\n`;

md += `## 📊 Key Metrics\n`;

md += `- **Total Cycles**: ${total}\n`;

md += `- **Success Rate**: ${successRate}% ${successRate < 80 ? '⚠️' : '✅'}\n`;

md += `- **Innovation Ratio**: ${innovationRatio}% (Target: >30%)\n`;

md += ` - ✨ Innovate: ${intents.innovate}\n`;

md += ` - 🔧 Repair: ${intents.repair}\n`;

md += ` - ⚡ Optimize: ${intents.optimize}\n\n`;

md += `## 🧬 Gene Performance\n`;

md += `| Gene ID | Usage | Failures | Status |\n`;

md += `|---|---|---|---|\n`;

for (const [gene, count] of topGenes) {

const fails = geneFailures[gene] || 0;

const failRate = ((fails / count) * 100).toFixed(0);

let status = '✅';

if (failRate > 20) status = '⚠️';

if (failRate > 50) status = '❌';

md += `| \`${gene}\` | ${count} | ${fails} (${failRate}%) | ${status} |\n`;

}

md += `\n## 🚨 Stagnation Signals\n`;

if (intents.innovate === 0) {

md += `- ⚠️ **No Innovation**: Zero innovation cycles in the last 7 days.\n`;

}

if (topFailures.length > 0 && topFailures[0][1] > 2) {

md += `- ⚠️ **Recurring Failures**: Gene \`${topFailures[0][0]}\` failed ${topFailures[0][1]} times.\n`;

}

if (total < 5) {

md += `- ⚠️ **Low Activity**: Only ${total} cycles this week.\n`;

}

if (!md.includes('⚠️')) {

md += `- ✅ No stagnation signals detected.\n`;

}

// Output

fs.writeFileSync(OUTPUT_FILE, md);

console.log(`[Insight] Report saved to ${OUTPUT_FILE}`);

console.log(md);

}

analyze();