{% extends "portal_base.html" %}
{% block portal_content %}

<style>
.image-workshop-wrap { max-width: 1200px; margin: 0 auto; }
.iw-toolbar { display:flex; gap:10px; flex-wrap:wrap; margin: 12px 0 18px; }
.iw-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(160px,1fr)); gap:14px; }
.iw-tile { background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.12); border-radius:14px; padding:10px; }
.iw-tile img { width:100%; height:130px; object-fit:cover; border-radius:10px; cursor:pointer; background:#111; }
.iw-name { margin-top:8px; font-weight:700; word-break:break-word; font-size:.9rem; }
.iw-mini { display:flex; gap:6px; flex-wrap:wrap; margin-top:8px; }
.iw-mini button, .iw-toolbar button, .iw-modal-actions button { cursor:pointer; }

.iw-modal {
  display:none; position:fixed; z-index:9999; inset:0;
  background:rgba(0,0,0,.82); padding:30px; overflow:auto;
}
.iw-modal-inner {
  max-width:1100px; margin:0 auto; background:#0f172a;
  border:1px solid rgba(255,255,255,.14); border-radius:18px; padding:18px;
}
.iw-preview-wrap { display:flex; justify-content:center; background:#050816; border-radius:14px; padding:16px; min-height:360px; }
#modalImage { max-width:100%; max-height:70vh; object-fit:contain; transition:filter .15s, transform .15s; }
.iw-modal-actions { display:flex; gap:10px; flex-wrap:wrap; margin-top:14px; align-items:center; }
.iw-modal-actions input { min-width:260px; padding:8px; }
.iw-note { opacity:.8; margin-top:8px; }

.iw-modal-actions select {
  background:#0f172a;
  color:#e6eefc;
  border:1px solid rgba(255,255,255,0.2);
  border-radius:8px;
  padding:6px 10px;
}


.iw-modal-actions select,
.iw-modal-actions select option,
#formatSelect,
#formatSelect option,
#sizeSelect,
#sizeSelect option {
  background-color: #0f172a !important;
  color: #e6eefc !important;
  border: 1px solid rgba(255,255,255,0.28) !important;
}

.iw-modal-actions select,
#formatSelect,
#sizeSelect {
  border-radius: 8px !important;
  padding: 8px 10px !important;
  min-width: 160px !important;
}

</style>

<div class="image-workshop-wrap">
  <div class="portal-page-header">
    <div>
      <h1 class="portal-page-title">Image Workshop</h1>
      <p class="portal-page-subtitle">Double-click an image to edit it. Max 25 images per batch.</p>
    </div>
    <div class="portal-toolbar">
      <a class="portal-btn" href="/devices/{{ device_id }}/files?path=images">Back to Images</a>
      <a class="portal-btn" href="/dashboard">Dashboard</a>
      <a class="portal-btn" href="/health">Health</a>
    </div>
  </div>

  <div class="service-card">
    <div class="service-card-body">
      <div class="iw-toolbar">
        <button type="button" onclick="bulkRotate(0)">Original Rotation</button>
        <button type="button" onclick="bulkRotate(90)">Rotate 90</button>
        <button type="button" onclick="bulkRotate(180)">Rotate 180</button>
        <button type="button" onclick="bulkRotate(270)">Rotate 270</button>
        <button type="button" onclick="processAll()">Save All Changed</button>
      </div>
      <div id="grid" class="iw-grid"></div>
    </div>
  </div>
</div>

<div id="editorModal" class="iw-modal">
  <div class="iw-modal-inner">
    <h2 id="modalTitle">Edit Image</h2>
    <div class="iw-preview-wrap">
      <img id="modalImage" src="">
    </div>

    <div class="iw-modal-actions">
      <button type="button" onclick="modalRotate(0)">Original</button>
      <button type="button" onclick="modalRotate(90)">Rotate 90</button>
      <button type="button" onclick="modalRotate(180)">Rotate 180</button>
      <button type="button" onclick="modalRotate(270)">Rotate 270</button>
      <button type="button" onclick="modalFilter(null)">Normal</button>
      <button type="button" onclick="modalFilter('bw')">B/W</button>
      <button type="button" onclick="modalFilter('sepia')">Sepia</button>
    </div>

    <div class="iw-modal-actions">
      <label>New image name:</label>
      <input id="saveName" type="text" placeholder="required name, no extension">
    </div>

    <div class="iw-modal-actions">
      <label>Format:</label>
      <select id="formatSelect">
        <option value="">Keep Format</option>
        <option value="jpg">JPG</option>
        <option value="webp">WebP</option>
        <option value="png">PNG</option>
      </select>

      <label>Size:</label>
      <select id="sizeSelect">
        <option value="">Original Size</option>
        <option value="2000">2000px</option>
        <option value="1600" selected>1600px Web</option>
        <option value="1200">1200px Small Web</option>
        <option value="800">800px Preview</option>
      </select>
    </div>

    <div class="iw-modal-actions">
      <button type="button" onclick="saveCurrentImage()">Save Image</button>
      <button type="button" onclick="revertCurrent()">Revert to Original</button>
      <button type="button" onclick="closeModal()">Close</button>
    </div>

    <p class="iw-note">Saving creates a new image in the images folder. Original files are not overwritten.</p>
  </div>
</div>

<script>
let items = [];
let state = {};
let currentId = null;

function safeName(v){ return (v || "image").toString(); }

function loadSelection() {
  try { items = JSON.parse(localStorage.getItem("imageSelection") || "[]"); }
  catch { items = []; }

  if (items.length > 25) {
    alert("Image Workshop is limited to 25 images per batch.");
    items = items.slice(0, 25);
  }

  items.forEach(i => {
    if (!state[i.id]) state[i.id] = { rotation: 0, filter: null, format: null, name: "" };
  });

  render();
}

function render() {
  const grid = document.getElementById("grid");
  if (!items.length) {
    grid.innerHTML = '<div class="job-empty">No images staged.</div>';
    return;
  }

  grid.innerHTML = "";

  items.forEach(item => {
    const s = state[item.id] || { rotation:0, filter:null };
    const filename = safeName(item.display_filename || item.original_filename || item.filename || item.name);
    const filterCss = s.filter === "bw" ? "grayscale(1)" : (s.filter === "sepia" ? "sepia(1)" : "none");

    const div = document.createElement("div");
    div.className = "iw-tile";
    div.innerHTML = `
      <img ondblclick="openModal('${item.id}')" src="/files/${item.id}/thumb" style="transform:rotate(${s.rotation}deg);filter:${filterCss};">
      <div class="iw-name">${filename}</div>
      <div class="iw-mini">
        <button type="button" onclick="rotateOne('${item.id}',0)">0</button>
        <button type="button" onclick="rotateOne('${item.id}',90)">90</button>
        <button type="button" onclick="rotateOne('${item.id}',180)">180</button>
        <button type="button" onclick="rotateOne('${item.id}',270)">270</button>
      </div>
    `;
    grid.appendChild(div);
  });
}

function rotateOne(id, deg) {
  state[id].rotation = deg;
  render();
}

function bulkRotate(deg) {
  Object.keys(state).forEach(id => state[id].rotation = deg);
  render();
}

function getItem(id) {
  return items.find(x => String(x.id) === String(id));
}

function openModal(id) {
  currentId = id;
  const item = getItem(id);
  const s = state[id];
  document.getElementById("modalTitle").textContent = safeName(item.filename || item.display_filename || item.original_filename || item.name);
  document.getElementById("modalImage").src = "/files/" + id + "/inline";
  document.getElementById("saveName").value = s.name || "";
  const fmt = document.getElementById("formatSelect");
  const size = document.getElementById("sizeSelect");
  if (fmt) fmt.value = s.format || "";
  if (size) size.value = s.max_size || "1600";
  applyModalPreview();
  document.getElementById("editorModal").style.display = "block";
}

function closeModal() {
  document.getElementById("editorModal").style.display = "none";
  currentId = null;
}

function applyModalPreview() {
  if (!currentId) return;
  const s = state[currentId];
  const img = document.getElementById("modalImage");
  img.style.transform = `rotate(${s.rotation || 0}deg)`;
  img.style.filter = s.filter === "bw" ? "grayscale(1)" : (s.filter === "sepia" ? "sepia(1)" : "none");
}

function modalRotate(deg) {
  state[currentId].rotation = deg;
  applyModalPreview();
  render();
}

function modalFilter(f) {
  state[currentId].filter = f;
  applyModalPreview();
  render();
}

function revertCurrent() {
  state[currentId] = { rotation: 0, filter: null, format: null, name: "" };
  document.getElementById("saveName").value = "";
  applyModalPreview();
  render();
}

async function saveCurrentImage() {
  if (!currentId) return;
  const name = document.getElementById("saveName").value.trim();
  if (!name) {
    alert("Please enter a name for the new image.");
    return;
  }

  state[currentId].name = name;
  state[currentId].format = document.getElementById("formatSelect").value || null;
  state[currentId].max_size = document.getElementById("sizeSelect").value || null;

  const item = getItem(currentId);
  const payload = { items: [item], state: { [currentId]: state[currentId] } };

  const r = await fetch("/api/image/process", {
    method: "POST",
    headers: {"Content-Type": "application/json"},
    body: JSON.stringify(payload)
  });

  const d = await r.json();
  if (!d.ok) {
    alert(d.error || "Processing failed");
    return;
  }

  alert("Saved image.");
  closeModal();
}

async function processAll() {
  const changed = items.filter(item => {
    const s = state[item.id];
    return s && (s.rotation || s.filter || s.format || s.name);
  });

  if (!changed.length) {
    alert("No changed images to save.");
    return;
  }

  for (const item of changed) {
    if (!state[item.id].name) {
      alert("Each changed image needs a new name before saving.");
      openModal(item.id);
      return;
    }
  }

  const r = await fetch("/api/image/process", {
    method: "POST",
    headers: {"Content-Type": "application/json"},
    body: JSON.stringify({ items: changed, state: state })
  });

  const d = await r.json();
  if (!d.ok) {
    alert(d.error || "Processing failed");
    return;
  }

  alert("Saved " + d.processed.length + " image(s).");
}

document.getElementById("editorModal").addEventListener("click", function(e){
  if (e.target === this) closeModal();
});

loadSelection();
</script>

{% endblock %}