From 4c137771e09f1b9c350db20b5413d935482bbb1f Mon Sep 17 00:00:00 2001
From: Mika <kontakt@donau2space.de>
Date: Mon, 9 Mar 2026 13:44:28 +0000
Subject: [PATCH] Add artifact.visualization/js/ui.js

---
 artifact.visualization/js/ui.js | 103 ++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 artifact.visualization/js/ui.js

diff --git a/artifact.visualization/js/ui.js b/artifact.visualization/js/ui.js
new file mode 100644
index 0000000..0f45248
--- /dev/null
+++ b/artifact.visualization/js/ui.js
@@ -0,0 +1,103 @@
+'use strict';
+
+/**
+ * @module ui
+ * Funktionen zur Aktualisierung der visuellen Komponenten (Karten und Diagramme)
+ */
+
+/**
+ * Aktualisiert die Kennzahlenkarten im DOM basierend auf API-Daten.
+ * @param {Object} retry_analysis_report - JSON Report aus der API /api/retry-stats
+ */
+export function renderSummaryCards(retry_analysis_report) {
+  const container = document.getElementById('stats-summary');
+  if (!container) return;
+
+  container.innerHTML = '';
+
+  const metrics = [
+    { label: '\u0394t<0', value: retry_analysis_report?.delta_t_neg_rate ?? 'N/A', unit: '%' },
+    { label: 'Warn Rate', value: retry_analysis_report?.warn_rate ?? 'N/A', unit: '%' },
+    { label: 'Unknown Rate', value: retry_analysis_report?.unknown_rate ?? 'N/A', unit: '%' },
+    { label: 'Heilungsrate', value: retry_analysis_report?.healing_rate ?? 'N/A', unit: '%' },
+    { label: 'p95', value: retry_analysis_report?.p95 ?? 'N/A', unit: 'ms' },
+    { label: 'p99', value: retry_analysis_report?.p99 ?? 'N/A', unit: 'ms' }
+  ];
+
+  const frag = document.createDocumentFragment();
+
+  metrics.forEach(metric => {
+    const card = document.createElement('div');
+    card.className = 'summary-card';
+
+    const title = document.createElement('h3');
+    title.textContent = metric.label;
+
+    const value = document.createElement('p');
+    value.className = 'summary-card__value';
+    value.textContent = `${metric.value} ${metric.unit}`;
+
+    card.appendChild(title);
+    card.appendChild(value);
+    frag.appendChild(card);
+  });
+
+  container.appendChild(frag);
+}
+
+/**
+ * Erzeugt oder aktualisiert ein Diagramm in #retry-chart basierend auf API-Daten.
+ * @param {Object} retry_analysis_report - JSON Report aus der API /api/retry-stats
+ */
+export function renderRetryChart(retry_analysis_report) {
+  const chartContainer = document.getElementById('retry-chart');
+  if (!chartContainer) return;
+
+  chartContainer.innerHTML = '';
+
+  const canvas = document.createElement('canvas');
+  canvas.id = 'retryChartCanvas';
+  canvas.setAttribute('aria-label', 'Retry Statistik Diagramm');
+  chartContainer.appendChild(canvas);
+
+  const ctx = canvas.getContext('2d');
+  if (!ctx) return;
+
+  // Minimalistische Chart-Implementation ohne externe Libraries
+  const { stats = [] } = retry_analysis_report || {};
+  if (stats.length === 0) {
+    ctx.fillStyle = '#666';
+    ctx.font = '16px sans-serif';
+    ctx.fillText('Keine Daten verfügbar', 10, 30);
+    return;
+  }
+
+  const width = canvas.width = chartContainer.clientWidth || 400;
+  const height = canvas.height = 200;
+  const margin = 20;
+  const colorP95 = '#2c7';
+  const colorP99 = '#f93';
+
+  const maxValue = Math.max(...stats.map(s => Math.max(s.p95 ?? 0, s.p99 ?? 0)));
+
+  const barWidth = Math.max(5, (width - margin * 2) / stats.length);
+
+  stats.forEach((s, index) => {
+    const x = margin + index * barWidth;
+    const p95Height = ((s.p95 ?? 0) / maxValue) * (height - margin * 2);
+    const p99Height = ((s.p99 ?? 0) / maxValue) * (height - margin * 2);
+
+    // p95 bar
+    ctx.fillStyle = colorP95;
+    ctx.fillRect(x, height - p95Height - margin, barWidth * 0.4, p95Height);
+    // p99 bar
+    ctx.fillStyle = colorP99;
+    ctx.fillRect(x + barWidth * 0.5, height - p99Height - margin, barWidth * 0.4, p99Height);
+  });
+
+  // Axis Labels
+  ctx.fillStyle = '#000';
+  ctx.font = '12px sans-serif';
+  ctx.fillText('p95', 10, 12);
+  ctx.fillText('p99', 50, 12);
+}