gui-video-clipper/src/lib/components/ProcessingModal.svelte

<script lang="ts">
  import { session, type ProcessingStep } from '$lib/stores/videoSession.svelte';

  const STEP_LABELS: Record<ProcessingStep, string> = {
    idle: '',
    downloading: 'Downloading preview…',
    waveform: 'Generating waveform…',
    keyframes: 'Extracting keyframes…',
    thumbnails: 'Generating thumbnails…',
    captions: 'Downloading captions…',
    done: 'Ready!',
  };

  const STEP_ORDER: ProcessingStep[] = [
    'downloading',
    'waveform',
    'keyframes',
    'thumbnails',
    'captions',
    'done',
  ];

  let currentStepIndex = $derived(STEP_ORDER.indexOf(session.processingStep));

  // Pick progress source based on current step
  let stepProgress = $derived(() => {
    switch (session.processingStep) {
      case 'downloading':
        return session.previewProgress;
      case 'waveform':
      case 'keyframes':
      case 'thumbnails':
      case 'captions':
        return session.processingProgress;
      case 'done':
        return 1;
      default:
        return 0;
    }
  });

  let progressPercent = $derived(Math.round(stepProgress() * 100));
  let showProgressBar = $derived(
    session.processingStep !== 'idle' && session.processingStep !== 'done'
  );
</script>

<div class="modal-overlay">
  <div class="modal">
    <h2>Processing Video</h2>
    <p class="title">{session.title}</p>

    <div class="steps">
      {#each STEP_ORDER as step, i}
        {@const stepLabel = STEP_LABELS[step]}
        {@const isDone = i < currentStepIndex}
        {@const isCurrent = step === session.processingStep}
        <div class="step" class:done={isDone} class:current={isCurrent}>
          <span class="icon">
            {#if isDone}
              ✓
            {:else if isCurrent}
              ⏳
            {:else}
              ○
            {/if}
          </span>
          <span class="label">{stepLabel}</span>
          {#if isCurrent && progressPercent > 0}
            <span class="step-pct">{progressPercent}%</span>
          {/if}
        </div>
      {/each}
    </div>

    {#if showProgressBar}
      <div class="progress-bar">
        <div class="progress-fill" style="width: {progressPercent}%"></div>
      </div>
      <p class="progress-text">{progressPercent}%</p>
    {/if}
  </div>
</div>

<style>
  .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
  }

  .modal {
    background: var(--bg-primary, #1e1e2e);
    border: 1px solid var(--border, #353550);
    border-radius: 12px;
    padding: 32px 40px;
    min-width: 360px;
    max-width: 480px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  }

  h2 {
    margin: 0 0 4px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary, #cdd6f4);
  }

  .title {
    margin: 0 0 24px;
    font-size: 13px;
    color: var(--text-secondary, #6c7086);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .steps {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
    margin-bottom: 20px;
  }

  .step {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary, #6c7086);
    transition: color 0.2s;
  }

  .step.done {
    color: #a6e3a1;
  }

  .step.current {
    color: var(--text-primary, #cdd6f4);
    font-weight: 500;
  }

  .icon {
    width: 18px;
    text-align: center;
    flex-shrink: 0;
    font-size: 14px;
  }

  .step-pct {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-secondary, #6c7086);
    font-weight: 400;
  }

  .progress-bar {
    height: 6px;
    background: var(--bg-tertiary, #2a2a3e);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 6px;
  }

  .progress-fill {
    height: 100%;
    background: #89b4fa;
    border-radius: 3px;
    transition: width 0.3s ease;
  }

  .progress-text {
    margin: 0;
    font-size: 12px;
    color: var(--text-secondary, #6c7086);
  }
</style>