feat(viz): monotonic stack viz

2025-08-24 17:32:27 +01:00
parent e7ba79e49c
commit 45105e0b77
6 changed files with 1071 additions and 1 deletions
--- a/frontend/src/components/visualizations-new/algorithms/monotonic-stack.tsx
+++ b/frontend/src/components/visualizations-new/algorithms/monotonic-stack.tsx
@@ -0,0 +1,81 @@
+'use client';
+
+import { useVisualization } from '@/lib/visualizations/use-visualization';
+import type { AlgorithmDefinition } from '@/lib/visualizations/types';
+import { VisualizationContainer } from '../core/visualization-container';
+import { ArrayView } from '../data-structures/array-view';
+import { StackView } from '../data-structures/stack-view';
+
+interface MonotonicStackVisualizationProps {
+  algorithm: AlgorithmDefinition;
+  className?: string;
+}
+
+export function MonotonicStackVisualization({
+  algorithm,
+  className,
+}: MonotonicStackVisualizationProps) {
+  const {
+    currentStep,
+    currentStepIndex,
+    totalSteps,
+    playback,
+    controls,
+    currentPhase,
+    progress,
+  } = useVisualization(algorithm);
+
+  const { dataState } = currentStep;
+
+  // Input array with i pointer
+  const inputArray = dataState.arrays.find((a) => a.id === 'input');
+  // Result array
+  const resultArray = dataState.arrays.find((a) => a.id === 'result');
+  // Stack
+  const stack = dataState.stacks?.[0];
+
+  // Filter pointers for the input array (only show 'i' pointer on input)
+  const inputPointers = dataState.pointers.filter((p) => p.id === 'i');
+
+  return (
+    <VisualizationContainer
+      title={algorithm.title}
+      pattern={algorithm.pattern}
+      code={algorithm.code}
+      currentLine={currentStep.codeLine}
+      highlightLines={currentStep.codeHighlightLines}
+      explanation={currentStep.explanation}
+      decision={currentStep.decision}
+      phase={currentPhase}
+      variables={dataState.variables}
+      currentStepIndex={currentStepIndex}
+      totalSteps={totalSteps}
+      isPlaying={playback.isPlaying}
+      speed={playback.speed}
+      controls={controls}
+      progress={progress}
+      className={className}
+    >
+      <div className="flex flex-col items-center gap-4">
+        {/* Input array with i pointer */}
+        {inputArray && (
+          <ArrayView
+            array={inputArray}
+            pointers={inputPointers}
+            elementSize="sm"
+          />
+        )}
+
+        <div className="flex items-end gap-6">
+          {/* Stack (left side) */}
+          {stack && <StackView stack={stack} />}
+
+          {/* Result array (right side) */}
+          {resultArray && (
+            <ArrayView array={resultArray} pointers={[]} elementSize="sm" />
+          )}
+        </div>
+      </div>
+    </VisualizationContainer>
+  );
+}