/**
 * Test Runners — Registry Surface
 *
 * Discovers installed test-runner packages, loads their suites into
 * sw.testing, and provides a dashboard to run and view results.
 */
(async function () {
  'use strict';

  var mount = document.getElementById('extension-mount');
  if (!mount) return;
  mount.classList.add('ext-test-runners-root');

  // ─── Boot SDK ─────────────────────────────────────────────
  try {
    var base = window.__BASE__ || '';
    var ver = window.__VERSION__ || '0';

    if (!window.preact) {
      var { h, render } = await import(base + '/js/sw/vendor/preact.module.js');
      var hooksModule = await import(base + '/js/sw/vendor/hooks.module.js');
      var htmModule = await import(base + '/js/sw/vendor/htm.module.js');
      window.preact = { h, render };
      window.hooks = hooksModule;
      window.html = htmModule.default.bind(h);
    }

    var sdk = await import(base + '/js/sw/sdk/index.js?v=' + ver);
    await sdk.boot();
  } catch (e) {
    mount.innerHTML = '<p style="color:var(--danger);padding:24px;">SDK boot failed: ' + e.message + '</p>';
    return;
  }

  var { h, render } = preact;
  var { useState, useEffect, useCallback } = hooks;

  // ─── Shell Topbar ─────────────────────────────────────────
  if (sw.shell && sw.shell.topbar) {
    sw.shell.topbar.setTitle('Test Runners');
  }

  // ─── Status Icons ─────────────────────────────────────────
  var STATUS_ICON = {
    passed: '\u2713', failed: '\u2717', warned: '\u26A0', skipped: '\u2014'
  };

  // ─── App Component ────────────────────────────────────────

  function App() {
    var _s = useState(null);  var runners = _s[0], setRunners = _s[1];
    var _s2 = useState(null); var allPkgs = _s2[0], setAllPkgs = _s2[1];
    var _s3 = useState(null); var results = _s3[0], setResults = _s3[1];
    var _s4 = useState(false); var running = _s4[0], setRunning = _s4[1];
    var _s5 = useState(null); var runningSuite = _s5[0], setRunningSuite = _s5[1];
    var _s6 = useState(''); var error = _s6[0], setError = _s6[1];
    var _s7 = useState(false); var loaded = _s7[0], setLoaded = _s7[1];

    // Discover runners and load their scripts
    useEffect(function () {
      discoverAndLoad().catch(function (e) {
        setError('Failed to discover runners: ' + e.message);
      });
    }, []);

    async function discoverAndLoad() {
      // Fetch all packages (admin endpoint)
      var pkgsResp = await sw.api.get('/api/v1/admin/packages');
      var pkgs = pkgsResp.data || pkgsResp;
      setAllPkgs(pkgs);

      // Filter test-runner type
      var testRunners = pkgs.filter(function (p) {
        return p.type === 'test-runner' && p.enabled;
      });
      setRunners(testRunners);

      // Clear any previously registered suites
      sw.testing.clear();

      // Load each runner's main.js to register suites.
      // Runner main.js scripts are async IIFEs that load sub-modules sequentially,
      // so the script onload fires before suites are registered. We load all runner
      // scripts, then poll until suite count stabilizes.
      var surfaceBase = (window.__BASE__ || '') + '/surfaces/';
      for (var i = 0; i < testRunners.length; i++) {
        var r = testRunners[i];
        await loadRunnerScript(surfaceBase + r.id + '/js/main.js?v=' + (r.version || '0') + '.' + Date.now());
      }

      // Wait for suites to stabilize (runners load sub-modules async)
      await waitForSuites();

      setLoaded(true);
      console.log('[TestRunners] Loaded ' + testRunners.length + ' runners, ' + sw.testing.suites().length + ' suites');
    }

    function loadRunnerScript(src) {
      return new Promise(function (resolve) {
        var s = document.createElement('script');
        s.src = src;
        s.onload = resolve;
        s.onerror = function () {
          console.warn('[TestRunners] Failed to load: ' + src);
          resolve();
        };
        document.body.appendChild(s);
      });
    }

    function waitForSuites() {
      return new Promise(function (resolve) {
        var lastCount = 0;
        var stableCount = 0;
        var interval = setInterval(function () {
          var count = sw.testing.suites().length;
          if (count === lastCount && count > 0) {
            stableCount++;
            if (stableCount >= 3) { clearInterval(interval); resolve(); }
          } else {
            stableCount = 0;
            lastCount = count;
          }
        }, 500);
        // Timeout after 30s regardless
        setTimeout(function () { clearInterval(interval); resolve(); }, 30000);
      });
    }

    // Runner dependency declarations.
    // Stored here (not in manifests) to avoid the package system marking
    // runners as dormant due to install-order timing during bundled install.
    var RUNNER_REQUIRES = {
      'notes-runner':     ['notes'],
      'chat-runner':      ['chat', 'chat-core'],
      'schedules-runner': ['schedules'],
      'workflow-runner':  ['content-approval'],
      'renderer-runner':  ['mermaid-renderer']
    };

    // Check requires for a runner
    function checkRequires(runner) {
      var requires = RUNNER_REQUIRES[runner.id] || runner.manifest?.requires || runner.requires || [];
      if (!requires.length || !allPkgs) return { met: requires, missing: [] };
      var installedIds = allPkgs.filter(function (p) { return p.enabled; }).map(function (p) { return p.id; });
      var met = [], missing = [];
      for (var i = 0; i < requires.length; i++) {
        if (installedIds.indexOf(requires[i]) !== -1) met.push(requires[i]);
        else missing.push(requires[i]);
      }
      return { met: met, missing: missing };
    }

    // Run all suites
    // Post results to kernel API for CI consumption (fire-and-forget)
    function postResults(runnerId, data) {
      sw.api.post('/api/v1/admin/test-runners/results', {
        runner_id: runnerId || 'all',
        results: data
      }).catch(function (e) { console.warn('[TestRunners] Failed to store results:', e.message); });
    }

    var runAll = useCallback(async function () {
      if (running) return;
      setRunning(true);
      setResults(null);
      setRunningSuite('all');
      try {
        var r = await sw.testing.run();
        setResults(r);
        postResults('all', r);
      } catch (e) {
        setError('Run failed: ' + e.message);
      }
      setRunning(false);
      setRunningSuite(null);
    }, [running]);

    // Run suites for a single runner
    var runRunner = useCallback(async function (runner) {
      if (running) return;
      setRunning(true);
      setRunningSuite(runner.id);

      // Map runner package ID to suite name prefix.
      // ICD/SDK runners use 'icd/'/'sdk/' prefixes.
      // Package runners use the package name they test: 'notes/', 'chat/', etc.
      var prefix;
      if (runner.id === 'icd-test-runner') prefix = 'icd/';
      else if (runner.id === 'sdk-test-runner') prefix = 'sdk/';
      else prefix = runner.id.replace(/-runner$/, '') + '/';
      var suiteNames = sw.testing.suites().filter(function (n) { return n.indexOf(prefix) === 0; });

      var allSuiteResults = [];
      var summary = { total: 0, passed: 0, failed: 0, warned: 0, skipped: 0 };
      var start = performance.now();

      for (var i = 0; i < suiteNames.length; i++) {
        var r = await sw.testing.run(suiteNames[i]);
        for (var j = 0; j < r.suites.length; j++) {
          allSuiteResults.push(r.suites[j]);
          for (var k = 0; k < r.suites[j].tests.length; k++) {
            var t = r.suites[j].tests[k];
            summary.total++;
            if (t.status === 'passed') summary.passed++;
            else if (t.status === 'failed') summary.failed++;
            else if (t.status === 'warned') summary.warned++;
            else if (t.status === 'skipped') summary.skipped++;
          }
        }
        if (r.suites[0] && r.suites[0].status === 'skipped') summary.skipped++;
      }

      var runnerResults = {
        timestamp: new Date().toISOString(),
        duration_ms: Math.round(performance.now() - start),
        summary: summary,
        suites: allSuiteResults
      };
      setResults(runnerResults);
      postResults(runner.id, runnerResults);
      setRunning(false);
      setRunningSuite(null);
    }, [running]);

    if (error) {
      return html`<div class="sw-inline-error"><p>${error}</p></div>`;
    }

    if (!loaded) {
      return html`<div class="ext-test-runners-loading">Loading test runners...</div>`;
    }

    if (!runners || runners.length === 0) {
      return html`<div class="ext-test-runners-empty">
        <p>No test-runner packages installed.</p>
        <p style="font-size:0.85rem;color:var(--text-muted)">Install packages with <code>"type": "test-runner"</code> to see them here.</p>
      </div>`;
    }

    var suiteCount = sw.testing.suites().length;

    return html`
      <div>
        <${RunAllBar}
          suiteCount=${suiteCount}
          results=${results}
          running=${running}
          runningSuite=${runningSuite}
          onRunAll=${runAll}
        />
        <div class="ext-test-runners-grid">
          ${runners.map(function (r) {
            return html`<${RunnerCard}
              key=${r.id}
              runner=${r}
              requires=${checkRequires(r)}
              results=${results}
              running=${running}
              runningSuite=${runningSuite}
              onRun=${function () { runRunner(r); }}
            />`;
          })}
        </div>
      </div>
    `;
  }

  // ─── Export Helpers ─────────────────────────────────────────

  function exportFailures(results) {
    if (!results) return;
    var failures = [];
    for (var i = 0; i < results.suites.length; i++) {
      var suite = results.suites[i];
      for (var j = 0; j < suite.tests.length; j++) {
        var t = suite.tests[j];
        if (t.status === 'failed' || t.status === 'warned') {
          failures.push({
            suite: suite.name,
            test: t.name,
            status: t.status,
            detail: t.detail || null,
            warnings: t.warnings && t.warnings.length > 0 ? t.warnings : undefined,
            duration_ms: t.duration_ms,
          });
        }
      }
    }
    var report = {
      exported_at: new Date().toISOString(),
      run_at: results.timestamp,
      duration_ms: results.duration_ms,
      summary: results.summary,
      failures: failures,
    };
    var json = JSON.stringify(report, null, 2);
    var blob = new Blob([json], { type: 'application/json' });
    var url = URL.createObjectURL(blob);
    var a = document.createElement('a');
    a.href = url;
    a.download = 'test-failures-' + new Date().toISOString().slice(0, 19).replace(/:/g, '-') + '.json';
    a.click();
    URL.revokeObjectURL(url);
  }

  function exportFull(results) {
    if (!results) return;
    var json = JSON.stringify(results, null, 2);
    var blob = new Blob([json], { type: 'application/json' });
    var url = URL.createObjectURL(blob);
    var a = document.createElement('a');
    a.href = url;
    a.download = 'test-results-' + new Date().toISOString().slice(0, 19).replace(/:/g, '-') + '.json';
    a.click();
    URL.revokeObjectURL(url);
  }

  // ─── RunAllBar ────────────────────────────────────────────

  function RunAllBar(props) {
    var s = props.results?.summary;
    var hasFailures = s && (s.failed > 0 || s.warned > 0);
    return html`
      <div class="ext-test-runners-bar">
        <h2>Test Runners</h2>
        ${props.running
          ? html`<span class="ext-test-runners-running"><span class="ext-test-runners-spinner"></span> Running${props.runningSuite === 'all' ? ' all' : ''}...</span>`
          : html`<button class="sw-btn sw-btn--primary" onClick=${props.onRunAll}>Run All (${props.suiteCount} suites)</button>`
        }
        ${s ? html`
          <div class="ext-test-runners-summary">
            <span class="ext-test-runners-stat ext-test-runners-stat--pass">${s.passed} passed</span>
            ${s.failed > 0 ? html`<span class="ext-test-runners-stat ext-test-runners-stat--fail">${s.failed} failed</span>` : null}
            ${s.warned > 0 ? html`<span class="ext-test-runners-stat ext-test-runners-stat--warn">${s.warned} warned</span>` : null}
            ${s.skipped > 0 ? html`<span class="ext-test-runners-stat ext-test-runners-stat--skip">${s.skipped} skipped</span>` : null}
            <span style="color:var(--text-3);font-size:0.8rem">${props.results.duration_ms}ms</span>
          </div>
        ` : null}
      </div>
      ${s && !props.running ? html`
        <div class="ext-test-runners-export">
          ${hasFailures ? html`<button class="sw-btn sw-btn--sm" onClick=${function () { exportFailures(props.results); }}>Export Failures</button>` : null}
          <button class="sw-btn sw-btn--sm" onClick=${function () { exportFull(props.results); }}>Export Full Results</button>
        </div>
      ` : null}
    `;
  }

  // ─── RunnerCard ───────────────────────────────────────────

  function RunnerCard(props) {
    var r = props.runner;
    var manifest = r.manifest || {};
    var icon = manifest.icon || r.icon || '📦';
    var title = r.title || manifest.title || r.id;
    var desc = manifest.description || r.description || '';
    var req = props.requires;

    // Filter results for this runner's suites
    var prefix = r.id === 'icd-test-runner' ? 'icd/' :
                 r.id === 'sdk-test-runner' ? 'sdk/' :
                 r.id.replace(/-runner$/, '') + '/';
    var runnerSuites = props.results?.suites?.filter(function (s) {
      return s.name.indexOf(prefix) === 0;
    }) || [];

    return html`
      <div class="ext-test-runners-card">
        <div class="ext-test-runners-card__header">
          <span class="ext-test-runners-card__icon">${icon}</span>
          <h3 class="ext-test-runners-card__title">${title}</h3>
          ${req.missing.length > 0
            ? null
            : props.running
              ? (props.runningSuite === r.id
                ? html`<span class="ext-test-runners-running"><span class="ext-test-runners-spinner"></span></span>`
                : null)
              : html`<button class="sw-btn sw-btn--sm" onClick=${props.onRun}>Run</button>`
          }
        </div>
        ${desc ? html`<p class="ext-test-runners-card__desc">${desc}</p>` : null}
        ${req.missing.length > 0
          ? html`<p class="ext-test-runners-card__requires ext-test-runners-card__requires--missing">
              Missing required packages: ${req.missing.join(', ')}
            </p>`
          : req.met.length > 0
            ? html`<p class="ext-test-runners-card__requires">Requires: ${req.met.join(', ')}</p>`
            : null
        }
        ${runnerSuites.length > 0 ? html`<${ResultsPanel} suites=${runnerSuites} />` : null}
      </div>
    `;
  }

  // ─── ResultsPanel ─────────────────────────────────────────

  function ResultsPanel(props) {
    return html`
      <div class="ext-test-runners-results">
        ${props.suites.map(function (suite) {
          return html`<${SuiteResult} key=${suite.name} suite=${suite} />`;
        })}
      </div>
    `;
  }

  function SuiteResult(props) {
    var _s = useState(true); var expanded = _s[0], setExpanded = _s[1];
    var suite = props.suite;
    var statusClass = 'ext-test-runners-status--' + suite.status;

    var counts = { passed: 0, failed: 0, warned: 0, skipped: 0 };
    for (var i = 0; i < suite.tests.length; i++) {
      var s = suite.tests[i].status;
      if (counts[s] !== undefined) counts[s]++;
    }

    return html`
      <div class="ext-test-runners-suite">
        <div class="ext-test-runners-suite__name ${statusClass}"
             onClick=${function () { setExpanded(!expanded); }}>
          ${expanded ? '▼' : '▶'} ${suite.name}
          ${' '}(${counts.passed}/${suite.tests.length} passed${counts.failed ? ', ' + counts.failed + ' failed' : ''}${suite.status === 'skipped' ? ' — skipped' + (suite.reason ? ': ' + suite.reason : '') : ''})
          ${' '}${suite.duration_ms}ms
        </div>
        ${expanded && suite.tests.length > 0 ? suite.tests.map(function (t) {
          return html`<${TestResult} key=${t.name} test=${t} />`;
        }) : null}
      </div>
    `;
  }

  function TestResult(props) {
    var t = props.test;
    var statusClass = 'ext-test-runners-status--' + t.status;
    var icon = STATUS_ICON[t.status] || '?';

    return html`
      <div>
        <div class="ext-test-runners-test">
          <span class="ext-test-runners-test__status ${statusClass}">${icon}</span>
          <span class="ext-test-runners-test__name">${t.name}</span>
          <span class="ext-test-runners-test__time">${t.duration_ms}ms</span>
        </div>
        ${t.detail ? html`<div class="ext-test-runners-test__detail">${t.detail}</div>` : null}
        ${t.warnings && t.warnings.length > 0 ? t.warnings.map(function (w) {
          return html`<div class="ext-test-runners-test__detail" style="color:var(--warning,#856404)">${w}</div>`;
        }) : null}
      </div>
    `;
  }

  // ─── Render ───────────────────────────────────────────────
  render(html`<${App} />`, mount);
})();