{% extends "_layout.html" %}
{% block title %}Try-On — {{ product.product_name }}{% endblock %}

{% block head %}
<style>
  .tryon-wrap {
    max-width: 900px;
    margin: 30px auto;
    padding: 0 16px;
  }

  /* ── Product card ── */
  .product-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 20px;
    padding: 28px;
    display: flex;
    gap: 32px;
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .product-img-box {
    flex: 0 0 260px;
    background: rgba(0,0,0,0.25);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    min-height: 280px;
  }

  .product-img-box img {
    max-width: 100%;
    max-height: 260px;
    object-fit: contain;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.4));
  }

  .product-info { flex: 1; min-width: 220px; }

  .product-info h2 {
    font-size: 22px;
    font-weight: 900;
    margin: 0 0 8px;
  }

  .product-info p {
    font-size: 13px;
    color: var(--muted);
    margin: 0 0 24px;
  }

  /* ── Method cards ── */
  .method-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 20px;
  }

  .method-card {
    flex: 1;
    min-width: 180px;
    border: 2px solid rgba(255,255,255,0.10);
    border-radius: 16px;
    padding: 20px 16px;
    text-align: center;
    cursor: pointer;
    transition: border-color .15s, background .15s;
    background: rgba(255,255,255,0.02);
    position: relative;
  }

  .method-card:hover {
    border-color: rgba(123,220,59,0.45);
    background: rgba(123,220,59,0.05);
  }

  .method-card.selected {
    border-color: rgba(123,220,59,0.7);
    background: rgba(123,220,59,0.08);
  }

  .method-icon { font-size: 32px; margin-bottom: 8px; }
  .method-title { font-size: 14px; font-weight: 800; }
  .method-sub   { font-size: 11px; color: var(--muted); margin-top: 4px; }

  /* hidden file input inside upload card */
  .method-card input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
  }

  /* selected file name */
  #file-name {
    font-size: 12px;
    color: rgba(123,220,59,0.9);
    margin-top: 6px;
    min-height: 16px;
  }

  /* ── Buttons ── */
  .btn-tryon {
    width: 100%;
    padding: 14px;
    border-radius: 14px;
    border: none;
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    background: rgba(123,220,59,0.9);
    color: #000;
    transition: opacity .15s;
    margin-top: 4px;
  }
  .btn-tryon:hover    { opacity: .85; }
  .btn-tryon:disabled { opacity: .4; cursor: not-allowed; }

  .btn-camera {
    display: block;
    width: 100%;
    padding: 13px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(255,255,255,0.04);
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    margin-top: 10px;
    transition: background .15s;
  }
  .btn-camera:hover { background: rgba(255,255,255,0.08); }

  /* ── Flash messages ── */
  .flash-error {
    background: rgba(255,80,80,0.10);
    border: 1px solid rgba(255,80,80,0.30);
    border-radius: 12px;
    padding: 12px 16px;
    color: #ff8080;
    font-size: 13px;
    margin-bottom: 16px;
  }

  /* ── Result ── */
  .result-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(123,220,59,0.25);
    border-radius: 20px;
    padding: 24px;
    margin-top: 20px;
    text-align: center;
  }

  .result-card h3 {
    font-size: 16px;
    font-weight: 800;
    margin: 0 0 16px;
    color: rgba(123,220,59,0.9);
  }

  .result-card img {
    max-width: 100%;
    max-height: 500px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.10);
    object-fit: contain;
  }

  .preview-thumb {
    max-height: 120px;
    border-radius: 10px;
    margin-top: 10px;
    border: 1px solid rgba(255,255,255,0.10);
    display: none;
  }

  .loading-msg {
    display: none;
    color: rgba(123,220,59,0.8);
    font-size: 13px;
    margin-top: 10px;
    text-align: center;
  }
</style>
{% endblock %}

{% block body %}
<div class="tryon-wrap">

  {% with messages = get_flashed_messages(with_categories=true) %}
    {% for cat, msg in messages %}
      <div class="flash-error">⚠️ {{ msg }}</div>
    {% endfor %}
  {% endwith %}

  <div class="product-card">

    <!-- Left: cloth image -->
    <div class="product-img-box">
      <img src="{{ product.image_src }}" alt="{{ product.product_name }}">
    </div>

    <!-- Right: try-on controls -->
    <div class="product-info">
      <h2>{{ product.product_name }}</h2>
      <p>Choose how you want to try this on:</p>

      <!-- Upload form -->
      <form method="POST"
            enctype="multipart/form-data"
            action="{{ url_for('tryon_product', product_id=product.product_id) }}"
            id="tryon-form"
            onsubmit="showLoading()">

        <div class="method-row">

          <!-- Option 1: Upload photo -->
          <div class="method-card" id="upload-card">
            <input type="file"
                   name="person_image"
                   id="person_image"
                   accept="image/*"
                   onchange="onFileSelected(this)">
            <div class="method-icon">📁</div>
            <div class="method-title">Upload Photo</div>
            <div class="method-sub">Select from your device</div>
            <div id="file-name"></div>
            <img id="preview-thumb" class="preview-thumb" alt="preview">
          </div>

        </div>

        <button class="btn-tryon" type="submit" id="btn-submit" disabled>
          👗 Try On with Uploaded Photo
        </button>

        <div class="loading-msg" id="loading-msg">
          ⏳ Processing your try-on… this may take 20–40 seconds
        </div>

      </form>

      <!-- Live camera (separate link, no form needed) -->
      <a class="btn-camera"
         href="{{ url_for('live_tryon_page', product_id=product.product_id) }}">
        📷 Try On with Live Camera
      </a>

    </div>
  </div>

  <!-- Result -->
  {% if result_image_url %}
  <div class="result-card">
    <h3>✅ Try-On Result</h3>
    <img src="{{ result_image_url }}" alt="Try-On Result">
  </div>
  {% endif %}

</div>

<script>
  function onFileSelected(input) {
    const fileName = input.files[0]?.name;
    const fileNameEl = document.getElementById("file-name");
    const submitBtn  = document.getElementById("btn-submit");
    const preview    = document.getElementById("preview-thumb");
    const card       = document.getElementById("upload-card");

    if (input.files[0]) {
      fileNameEl.textContent = "✅ " + fileName;
      submitBtn.disabled = false;
      card.classList.add("selected");

      // Show image preview
      const reader = new FileReader();
      reader.onload = e => {
        preview.src = e.target.result;
        preview.style.display = "block";
      };
      reader.readAsDataURL(input.files[0]);
    }
  }

  function showLoading() {
    document.getElementById("btn-submit").disabled = true;
    document.getElementById("btn-submit").textContent = "⏳ Processing…";
    document.getElementById("loading-msg").style.display = "block";
  }
</script>
{% endblock %}