#!/usr/bin/env bun
/**
 * Dashboard smoke test - navigates all tabs and reports console errors.
 * Run: bun run agent-evolution/scripts/dashboard-smoke-test.ts
 */

import { chromium, type Page } from 'playwright';

const TARGET = process.env.TARGET_URL || 'http://localhost:3003';

interface TabResult {
  name: string;
  selector: string;
  errors: string[];
  checks: string[];
}

async function clickTab(page: Page, tabId: string): Promise<void> {
  await page.click(`button[onclick="switchTab('${tabId}')"]`);
  await page.waitForTimeout(800);
}

async function runChecks(page: Page, tabId: string, checks: string[]): Promise<string[]> {
  const results: string[] = [];
  for (const check of checks) {
    try {
      const el = await page.$(check);
      results.push(el ? `  ✅ ${check}` : `  ❌ MISSING: ${check}`);
    } catch (e) {
      results.push(`  ❌ ERROR: ${check} | ${String(e).slice(0, 80)}`);
    }
  }
  return results;
}

async function main() {
  console.log(`Dashboard Smoke Test - ${TARGET}\n`);

  const browser = await chromium.launch({ headless: true });
  const context = await browser.newContext({ viewport: { width: 1280, height: 720 } });
  const page = await context.newPage();

  const allErrors: string[] = [];
  const allWarnings: string[] = [];

  page.on('console', msg => {
    const t = msg.type();
    const txt = msg.text();
    if (t === 'error') allErrors.push(txt);
    else if (t === 'warning') allWarnings.push(txt);
  });

  page.on('pageerror', err => {
    allErrors.push(`PAGE ERROR: ${err.message} ${err.stack?.slice(0, 200) || ''}`);
  });

  page.on('requestfailed', req => {
    const url = req.url();
    if (!url.includes('favicon')) {
      allErrors.push(`NETWORK: ${req.method()} ${url} | ${req.failure()?.errorText}`);
    }
  });

  // --- Tab definitions ---
  const tabs = [
    {
      name: 'Overview',
      id: 'overview',
      checks: [
        '#statsRow .stat-card',
        '#recentTimeline .timeline-item',
        '#recAgents .agent-card',
      ],
    },
    {
      name: 'All Agents',
      id: 'agents',
      checks: [
        '#agentsByCategory .category-section',
        '#agentSearch',
        '.agents-grid .agent-card',
      ],
    },
    {
      name: 'Timeline',
      id: 'history',
      checks: [
        '#fullTimeline .timeline-item',
        '.timeline-wrap .timeline-title',
      ],
    },
    {
      name: 'Recommendations',
      id: 'recommendations',
      checks: [
        '#allRecommendations .rec-card',
      ],
    },
    {
      name: 'Heatmap',
      id: 'heatmap',
      /* Note: heatmap uses hmTable which may throw if model_benchmarks is empty */
      checks: [
        '#hmTable tbody tr',
        '.hm-legend-track',
      ],
    },
    // Impact tab is NOT in tab bar (click is on onclick="switchTab('impact')")
    {
      name: 'Impact',
      id: 'impact',
      checks: [
        '#agentScoreChart',
        '#modelDistChart',
        '#migrationImpactChart',
      ],
    },
  ];

  const results: TabResult[] = [];

  for (const tab of tabs) {
    await page.goto(`${TARGET}/`, { waitUntil: 'domcontentloaded', timeout: 30000 });
    await page.waitForTimeout(1500);

    if (tab.id !== 'overview') {
      await clickTab(page, tab.id);
    }

    const checks = await runChecks(page, tab.id, tab.checks);
    results.push({
      name: tab.name,
      selector: tab.id,
      errors: [...allErrors],
      checks,
    });

    allErrors.length = 0;
    allWarnings.length = 0;
  }

  await browser.close();

  // --- Report ---
  console.log('═══════════════════════════════════════════════════');
  console.log('  Smoke Test Results');
  console.log('═══════════════════════════════════════════════════\n');

  let totalIssues = 0;
  for (const r of results) {
    const issues = r.errors.filter(e => !e.includes('favicon'));
    totalIssues += issues.length;
    console.log(`\n[${r.name}]`);
    console.log(r.checks.join('\n'));
    if (issues.length > 0) {
      console.log('  ❌ Console errors:');
      issues.forEach(e => console.log(`     ${e.slice(0, 120)}`));
    }
  }

  console.log('\n═══════════════════════════════════════════════════');
  console.log(`  Total issues: ${totalIssues}`);
  console.log('═══════════════════════════════════════════════════');

  process.exit(totalIssues > 0 ? 1 : 0);
}

main().catch(e => { console.error(e); process.exit(1); });