SlabUploader/frontend/src/capture/MeasurePanel.svelte

<script lang="ts">
  import { onDestroy } from 'svelte';
  import type { Capture } from './capture.types';
  import { fmtEighths } from './session';
  import {
    buildPhotosReadyLineup,
    photosReadyPngAlt,
    type PhotosReadyLineupItem,
  } from './photosReadyLineup';

  export let state: Extract<Capture, { k: 'measure' }>;
  export let back: () => void;
  /** C2: hand off the calibrated capture to Review (App builds the slab + uploads). */
  export let onContinue: (() => void) | undefined = undefined;

  let lineupUrls: string[] = [];
  let lineupItems: PhotosReadyLineupItem[] = [];

  $: {
    for (const u of lineupUrls) URL.revokeObjectURL(u);
    lineupUrls = [];
    if (state.results) {
      lineupItems = buildPhotosReadyLineup({
        inventoryPng: state.results.inventoryPng,
        overlayPng: state.results.overlayPng,
        batchApply: state.batchApply,
        sourceBelowFloor: state.results.sourceBelowFloor,
      });
      lineupUrls = lineupItems.map((it) =>
        it.kind === 'png' ? URL.createObjectURL(it.blob) : '',
      );
    } else {
      lineupItems = [];
    }
  }

  onDestroy(() => {
    for (const u of lineupUrls) URL.revokeObjectURL(u);
  });
</script>

<section class="panel">
  <h1>Photos ready</h1>

  {#if !state.results}
    <p class="hint">Calculating…</p>
    <div class="row">
      <button type="button" class="ghost" on:click={back}>Back</button>
    </div>
  {:else}
    <div class="results" aria-label="Photos ready">
      <div class="nums">
        <div><span>Widths</span><span>{fmtEighths(state.results.widths.min)} – {fmtEighths(state.results.widths.max)} (avg {fmtEighths(state.results.widths.avg)})</span></div>
        <div><span>Sqft</span><span>{state.results.sqft.toFixed(2)}</span></div>
        <div><span>Bdft</span><span>{state.results.bdft.toFixed(2)}</span></div>
        <div><span>Scale</span><span>{state.results.scale.toFixed(2)} px/in</span></div>
      </div>
      {#if state.results.sourceBelowFloor}
        <div class="warn">Source is below the 800px floor for the inventory PNG. Retake a larger photo.</div>
      {/if}

      <ol class="lineup" aria-label="Inventory PNG lineup">
        {#each lineupItems as item, i (i)}
          {#if item.kind === 'png'}
            <li class="lineup-item png">
              <img src={lineupUrls[i]} alt={photosReadyPngAlt(item)} />
              <span class="role">
                {#if item.role === 'calibration'}
                  Clean calibration
                {:else if item.role === 'overlay'}
                  Dimension overlay
                {:else}
                  Batch photo {(item.batchIndex ?? 0) + 1}
                {/if}
              </span>
            </li>
          {:else}
            <li class="lineup-item error" role="alert">
              <span class="err-title">Photo {item.batchIndex + 1} failed</span>
              <span class="err-msg">{item.message}</span>
            </li>
          {/if}
        {/each}
      </ol>

    </div>

    <div class="row">
      <button type="button" class="ghost" on:click={back}>Back</button>
      {#if onContinue}
        <button type="button" class="primary" data-testid="continue-to-review" on:click={onContinue}>
          Continue to Review
        </button>
      {/if}
    </div>
  {/if}
</section>

<style>
  .panel { padding: 16px; color: #eee; }
  h1 { font-size: 1.3rem; margin: 0 0 12px; }
  .row { display: flex; gap: 10px; margin-top: 20px; }
  .primary {
    flex: 2; padding: 14px; font-size: 1.05rem; border-radius: 10px; border: 0;
    background: #00e5ff; color: #002; font-weight: 700;
  }
  .primary:disabled { background: #333; color: #777; }
  .ghost { flex: 1; padding: 14px; border-radius: 10px; border: 1px solid #444; background: transparent; color: #ccc; }
  .results { margin-top: 8px; }
  .nums { display: flex; flex-direction: column; gap: 8px; }
  .nums div { display: flex; justify-content: space-between; border-bottom: 1px solid #2a2a2a; padding-bottom: 6px; }
  .nums span:first-child { color: #aaa; }
  .warn { color: #ffb4a2; margin-top: 12px; font-size: 0.9rem; }
  .lineup {
    list-style: none; padding: 0; margin: 16px 0 0;
    display: flex; flex-direction: column; gap: 14px;
  }
  .lineup-item.png {
    text-align: center;
    background-image: linear-gradient(45deg,#ccc 25%,transparent 25%),linear-gradient(-45deg,#ccc 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ccc 75%),linear-gradient(-45deg,transparent 75%,#ccc 75%);
    background-size: 16px 16px; background-position: 0 0,0 8px,8px -8px,-8px 0;
    background-color: #eee; border-radius: 8px; padding: 8px;
  }
  .lineup-item.png img { max-width: 100%; border-radius: 4px; display: block; margin: 0 auto; }
  .role { display: block; margin-top: 8px; font-size: 0.85rem; color: #222; font-weight: 600; }
  .lineup-item.error {
    border: 1px solid #8a3a2a; background: #2a1512; border-radius: 8px;
    padding: 12px 14px; display: flex; flex-direction: column; gap: 4px;
  }
  .err-title { color: #ffb4a2; font-weight: 700; font-size: 0.95rem; }
  .err-msg { color: #e8cfc8; font-size: 0.9rem; }
</style>