{# File: templates/_ai_side_nav.html #}
<style>
  .ai-nav-card {
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 18px;
    background: rgba(255,255,255,0.04);
    padding: 14px;
    margin-top: 14px;
  }
  .ai-nav-title {
    font-weight: 900;
    letter-spacing: 0.5px;
    font-size: 13px;
    opacity: 0.9;
    margin-bottom: 10px;
    text-transform: uppercase;
  }
  .ai-nav-btn {
    width: 100%;
    text-align: left;
    border: 1px solid rgba(255,255,255,0.10);
    background: rgba(0,0,0,0.18);
    color: inherit;
    border-radius: 14px;
    padding: 10px 12px;
    cursor: pointer;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
  }
  .ai-nav-btn.active {
    border-color: rgba(123,220,59,0.35);
    background: rgba(123,220,59,0.08);
  }
  .ai-nav-panel {
    margin-top: 10px;
    display: none;
    gap: 10px;
    flex-direction: column;
  }
  .ai-nav-panel.active { display: flex; }

  .ai-muted { opacity: .75; font-size: 12px; }
  .ai-error { color: #ff6b6b; font-size: 12px; margin-top: 8px; }
  .ai-ok { color: rgba(123,220,59,0.95); font-size: 12px; margin-top: 8px; }
  .ai-swatch { width: 14px; height: 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.20); display:inline-block; }
  .ai-chip {
    border: 1px solid rgba(255,255,255,0.12);
    background: rgba(0,0,0,0.18);
    color: inherit;
    border-radius: 999px;
    padding: 7px 10px;
    cursor: pointer;
    font-weight: 800;
    font-size: 12px;
  }
  .ai-chip.active {
    border-color: rgba(123,220,59,0.35);
    background: rgba(123,220,59,0.08);
  }
  .ai-mini-card {
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 16px;
    padding: 10px;
    background: rgba(0,0,0,0.12);
  }
  .ai-loading {
    opacity: .85;
    border: 1px dashed rgba(255,255,255,0.18);
    background: rgba(0,0,0,0.10);
  }
  .ai-row {
    display:flex;
    gap:10px;
    align-items:center;
  }
</style>

<form method="POST" enctype="multipart/form-data">
    
    <h3>{{ product.product_name }}</h3>

    <!-- Cloth Image (dataset se) -->
    <img src="{{ product.image_src }}" width="200">

    <br><br>

    <!-- Person Image Upload -->
    <input type="file" name="person_image" id="person_image" required>

    <br><br>

    <button type="submit">Try On</button>

</form>

<!-- Result Image -->
{% if result_image_url %}
    <h3>Result:</h3>
    <img src="{{ result_image_url }}" width="300">
{% endif %}



{# Unique wrapper so this partial can be included on multiple pages safely #}
<div class="ai-nav-card" data-ai-stylist>
  <div class="ai-nav-title">AI Stylist</div>

  <button class="ai-nav-btn active" type="button" data-ai-tab="palette">
    <span>🎨 Color Palette</span><span>›</span>
  </button>

  <button class="ai-nav-btn" type="button" data-ai-tab="style">
    <span>🧥 Style Recs</span><span>›</span>
  </button>

  <div class="ai-error" data-ai-error></div>
  <div class="ai-ok" data-ai-ok></div>

  <div class="ai-nav-panel active" data-ai-panel="palette">
    <div class="ai-mini-card">
      <div style="font-weight:900; font-size:13px;">Skin tone</div>
      <div class="ai-muted">
        On Try-On page, it uses the same uploaded photo automatically (<code>#person_image</code>).
        Otherwise upload here.
      </div>

      <input type="file" accept="image/*" style="margin-top:10px;" data-ai-selfie />
      <div class="ai-muted" style="margin-top:10px;" data-ai-skin></div>
      <div class="ai-muted" style="margin-top:6px;" data-ai-hint></div>
    </div>

    <div style="display:flex; flex-direction:column; gap:10px;" data-ai-palettes></div>
  </div>

  <div class="ai-nav-panel" data-ai-panel="style">
    <div class="ai-mini-card">
      <div style="font-weight:900; font-size:13px;">Vibe</div>
      <div style="display:flex; gap:8px; flex-wrap:wrap; margin-top:10px;">
        <button class="ai-chip active" data-ai-vibe="minimal" type="button">Minimal</button>
        <button class="ai-chip" data-ai-vibe="streetwear" type="button">Streetwear</button>
        <button class="ai-chip" data-ai-vibe="formal" type="button">Formal</button>
        <button class="ai-chip" data-ai-vibe="smart-casual" type="button">Smart</button>
      </div>

      <button class="ai-nav-btn" type="button" style="margin-top:10px;" data-ai-style-run>
        <span>Refresh</span><span>↻</span>
      </button>

      <div class="ai-muted">Upload a photo above for better results.</div>
    </div>

    <div style="display:flex; flex-direction:column; gap:10px;" data-ai-style></div>
  </div>
</div>

<script>
(() => {
  const root = document.currentScript?.previousElementSibling;
  if (!root || !root.matches("[data-ai-stylist]")) return;

  const tabButtons = root.querySelectorAll("[data-ai-tab]");
  const panels = root.querySelectorAll("[data-ai-panel]");

  const selfieInput = root.querySelector("[data-ai-selfie]");
  const errBox = root.querySelector("[data-ai-error]");
  const okBox = root.querySelector("[data-ai-ok]");
  const skinBox = root.querySelector("[data-ai-skin]");
  const hintBox = root.querySelector("[data-ai-hint]");
  const palettesBox = root.querySelector("[data-ai-palettes]");

  const styleBox = root.querySelector("[data-ai-style]");
  const runStyleBtn = root.querySelector("[data-ai-style-run]");

  let vibe = "minimal";
  let busy = false;

  function setError(msg) {
    if (errBox) errBox.textContent = msg || "";
    if (okBox) okBox.textContent = "";
  }

  function setOk(msg) {
    if (okBox) okBox.textContent = msg || "";
    if (errBox) errBox.textContent = "";
  }

  function setTab(which) {
    tabButtons.forEach((b) => b.classList.toggle("active", b.getAttribute("data-ai-tab") === which));
    panels.forEach((p) => p.classList.toggle("active", p.getAttribute("data-ai-panel") === which));
  }

  tabButtons.forEach((b) => b.addEventListener("click", () => setTab(b.getAttribute("data-ai-tab"))));

  root.querySelectorAll("[data-ai-vibe]").forEach((btn) => {
    btn.addEventListener("click", () => {
      root.querySelectorAll("[data-ai-vibe]").forEach((b) => b.classList.remove("active"));
      btn.classList.add("active");
      vibe = btn.getAttribute("data-ai-vibe") || "minimal";
      setOk(`Vibe set to: ${vibe}`);
    });
  });

  function getTryonFileIfExists() {
    const tryonInput = document.getElementById("person_image");
    if (tryonInput && tryonInput.files && tryonInput.files[0]) return tryonInput.files[0];
    return null;
  }

  function getSelfieFile() {
    const f1 = getTryonFileIfExists();
    if (f1) return f1;
    if (selfieInput && selfieInput.files && selfieInput.files[0]) return selfieInput.files[0];
    return null;
  }

  function setLoading(targetBox, on) {
    if (!targetBox) return;
    targetBox.classList.toggle("ai-loading", !!on);
  }

  function renderEmptyHint() {
    if (!hintBox) return;
    const hasTryon = !!document.getElementById("person_image");
    const hasFile = !!getSelfieFile();
    if (hasFile) {
      hintBox.textContent = "";
      return;
    }
    hintBox.textContent = hasTryon
      ? "Choose a photo in the Try-On upload to auto-detect."
      : "Upload a selfie here to get palette + recommendations.";
  }

  async function fetchPalette() {
    if (busy) return;
    busy = true;

    setError("");
    setOk("");
    if (skinBox) skinBox.textContent = "";
    if (palettesBox) palettesBox.innerHTML = "";
    renderEmptyHint();

    const f = getSelfieFile();
    if (!f) { busy = false; return; }

    setLoading(palettesBox, true);
    setOk("Analyzing skin tone…");

    try {
      const fd = new FormData();
      fd.append("selfie", f);

      const res = await fetch("/api/ai/palette", { method: "POST", body: fd });
      const data = await res.json();

      if (!data.ok) { setError(data.error || "Palette failed."); return; }

      const rgb = data.skin.rgb;
      if (skinBox) {
        skinBox.innerHTML =
          `Detected skin: <span class="ai-swatch" style="background: rgb(${rgb[0]},${rgb[1]},${rgb[2]});"></span>
           <span class="ai-muted"> rgb(${rgb.join(",")})</span>`;
      }

      (data.palettes || []).forEach((p) => {
        const card = document.createElement("div");
        card.className = "ai-mini-card";
        card.innerHTML = `
          <div style="font-weight:900; font-size:13px;">${p.name}</div>
          <div class="ai-muted">${p.note}</div>
          <div style="display:flex; gap:6px; flex-wrap:wrap; margin-top:10px;">
            ${(p.swatches || []).map(hex => `<span class="ai-swatch" title="${hex}" style="background:${hex};"></span>`).join("")}
          </div>
        `;
        palettesBox.appendChild(card);
      });

      setOk("Palette ready.");
    } catch (e) {
      setError("Palette request failed.");
    } finally {
      setLoading(palettesBox, false);
      busy = false;
    }
  }

  async function fetchStyle() {
    if (busy) return;
    busy = true;

    setError("");
    setOk("");
    if (styleBox) styleBox.innerHTML = "";
    renderEmptyHint();

    setLoading(styleBox, true);
    setOk("Finding best matches…");

    try {
      const fd = new FormData();
      fd.append("vibe", vibe);

      const f = getSelfieFile();
      if (f) fd.append("selfie", f);

      const res = await fetch("/api/ai/style", { method: "POST", body: fd });
      const data = await res.json();

      if (!data.ok) { setError(data.error || "Style failed."); return; }

      (data.recs || []).forEach((r) => {
        const p = r.product;
        const div = document.createElement("div");
        div.className = "ai-mini-card";
        div.innerHTML = `
          <div class="ai-row">
            <img src="${p.image_src}" style="width:52px; height:52px; border-radius:14px; object-fit:cover; border:1px solid rgba(255,255,255,.12);" />
            <div style="min-width:0; flex:1;">
              <div style="font-weight:900; font-size:13px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;">${p.product_name}</div>
              <div class="ai-muted">Score: ${Number(r.score || 0).toFixed(3)} · ${p.category}</div>
              <a href="/tryon/${p.product_id}" class="ai-muted" style="display:inline-block; margin-top:4px;">Try →</a>
            </div>
          </div>
        `;
        styleBox.appendChild(div);
      });

      setOk("Recommendations ready.");
    } catch (e) {
      setError("Style request failed.");
    } finally {
      setLoading(styleBox, false);
      busy = false;
    }
  }

  if (selfieInput) {
    selfieInput.addEventListener("change", async () => {
      await fetchPalette();
      await fetchStyle();
    });
  }

  const tryonInput = document.getElementById("person_image");
  if (tryonInput) {
    tryonInput.addEventListener("change", async () => {
      await fetchPalette();
      await fetchStyle();
    });
  }

  if (runStyleBtn) runStyleBtn.addEventListener("click", fetchStyle);

  renderEmptyHint();
  setTimeout(() => { fetchPalette(); fetchStyle(); }, 300);
})();
</script>