<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        xmlns:html="http://www.w3.org/1999/xhtml"
        title="Sync to Research OS"
        width="550"
        height="500"
        onload="init()">

  <html:style>
    :root {
      --bg-primary: #ffffff;
      --bg-secondary: #f8fafc;
      --bg-tertiary: #f1f5f9;
      --text-primary: #000000;
      --text-secondary: #475569;
      --accent: #4f46e5;
      --accent-hover: #4338ca;
      --success: #16a34a;
      --error: #dc2626;
      --border-color: #cbd5e1;
    }

    :root, window {
      background-color: var(--bg-primary) !important;
      color: var(--text-primary) !important;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      margin: 0;
      padding: 20px;
      height: 100vh;
      display: flex;
      flex-direction: column;
      box-sizing: border-box;
    }

    .container {
      display: flex;
      flex-direction: column;
      height: 100%;
      gap: 16px;
    }

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

    .subtitle {
      margin: 0 0 16px 0;
      font-size: 13px;
      color: var(--text-secondary);
    }

    /* Screen layout */
    .screen {
      display: none;
      flex-direction: column;
      flex: 1;
      overflow: hidden;
    }

    .screen.active {
      display: flex;
    }

    /* Folder selection styles */
    .folder-list {
      flex: 1;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      background-color: var(--bg-secondary);
      overflow-y: auto;
      padding: 8px;
    }

    .folder-item {
      display: flex;
      align-items: center;
      padding: 8px 12px;
      border-radius: 6px;
      cursor: pointer;
      margin-bottom: 4px;
      transition: all 0.2s;
      font-size: 13px;
    }

    .folder-item:hover {
      background-color: var(--bg-tertiary);
    }

    .folder-item.selected {
      background-color: var(--accent);
      color: #ffffff !important;
    }

    .folder-tree,
    .folder-branch {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .folder-branch {
      margin-left: 12px;
      padding-left: 12px;
      border-left: 1px solid var(--border-color);
    }

    .folder-node {
      position: relative;
    }

    .folder-branch > .folder-node::before {
      content: "";
      position: absolute;
      left: -12px;
      top: 17px;
      width: 12px;
      height: 1px;
      background-color: var(--border-color);
    }

    .folder-icon {
      margin-right: 8px;
      font-size: 16px;
    }

    /* Progress tracker styles */
    .progress-card {
      border: 1px solid var(--border-color);
      border-radius: 8px;
      background-color: var(--bg-secondary);
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .progress-bar-container {
      background-color: var(--bg-tertiary);
      height: 8px;
      border-radius: 4px;
      overflow: hidden;
      width: 100%;
    }

    .progress-bar {
      background: linear-gradient(90deg, #4f46e5 0%, #818cf8 100%);
      height: 100%;
      width: 0%;
      border-radius: 4px;
      transition: width 0.3s ease;
    }

    .progress-status {
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      font-weight: 500;
    }

    .item-list {
      flex: 1;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      background-color: var(--bg-secondary);
      overflow-y: auto;
      padding: 8px;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .sync-item-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 12px;
      border-radius: 6px;
      background-color: rgba(0, 0, 0, 0.02);
      border: 1px solid rgba(0, 0, 0, 0.05);
      font-size: 13px;
    }

    .sync-item-info {
      display: flex;
      flex-direction: column;
      gap: 2px;
      flex: 1;
      overflow: hidden;
      padding-right: 12px;
    }

    .sync-item-title {
      font-weight: 500;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      color: var(--text-primary);
    }

    .sync-item-detail {
      font-size: 11px;
      color: var(--text-secondary);
    }

    .sync-item-status {
      font-weight: 600;
      font-size: 12px;
      padding: 4px 8px;
      border-radius: 4px;
      text-transform: uppercase;
    }

    .status-pending {
      background-color: rgba(0, 0, 0, 0.04);
      color: var(--text-secondary);
    }

    .status-syncing {
      background-color: rgba(79, 70, 229, 0.08);
      color: #4f46e5;
    }

    .status-success {
      background-color: rgba(16, 185, 129, 0.15);
      color: var(--success);
    }

    .status-error {
      background-color: rgba(239, 68, 68, 0.15);
      color: var(--error);
    }

    /* Buttons block */
    .button-group {
      display: flex;
      justify-content: flex-end;
      gap: 12px;
      margin-top: 8px;
    }

    .btn {
      padding: 10px 20px;
      border-radius: 6px;
      font-weight: 600;
      font-size: 13px;
      cursor: pointer;
      border: none;
      transition: all 0.2s;
    }

    .btn-primary {
      background-color: var(--accent);
      color: #ffffff;
    }

    .btn-primary:hover {
      background-color: var(--accent-hover);
    }

    .btn-secondary {
      background-color: var(--bg-tertiary);
      color: var(--text-primary);
    }

    .btn-secondary:hover {
      background-color: var(--border-color);
    }

    .btn:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    /* Scrollbars */
    ::-webkit-scrollbar {
      width: 6px;
    }
    ::-webkit-scrollbar-track {
      background: transparent;
    }
    ::-webkit-scrollbar-thumb {
      background: var(--border-color);
      border-radius: 3px;
    }
  </html:style>

  <html:div class="container">
    <!-- View 1: Folder Selection -->
    <html:div id="folder-screen" class="screen active">
      <html:h2>Sync to Research OS</html:h2>
      <html:div class="subtitle">Select the destination folder in Research OS for the selected items.</html:div>
      
      <html:div id="folders-container" class="folder-list">
        <html:div style="display: flex; align-items: center; justify-content: center; height: 100%; color: var(--text-secondary); font-size: 13px;">
          Loading folders from Research OS...
        </html:div>
      </html:div>
      
      <html:div class="button-group">
        <html:button id="btn-cancel" class="btn btn-secondary" onclick="window.close()">Cancel</html:button>
        <html:button id="btn-sync" class="btn btn-primary" onclick="startSync()" disabled="true">Sync Now</html:button>
      </html:div>
    </html:div>

    <!-- View 2: Progress Screen -->
    <html:div id="progress-screen" class="screen">
      <html:h2>Syncing Papers</html:h2>
      <html:div class="subtitle">Please wait while items are being securely uploaded to Research OS.</html:div>
      
      <html:div class="progress-card">
        <html:div class="progress-status">
          <html:span id="progress-text">Initializing...</html:span>
          <html:span id="progress-percent">0%</html:span>
        </html:div>
        <html:div class="progress-bar-container">
          <html:div id="progress-bar" class="progress-bar"></html:div>
        </html:div>
      </html:div>

      <html:h2 style="margin-top: 16px; font-size: 14px;">Sync Status List</html:h2>
      <html:div id="items-container" class="item-list">
        <!-- Progress rows injected here -->
      </html:div>
      
      <html:div id="error-log-container" style="display: none; flex-direction: column; gap: 6px; margin-top: 16px; min-height: 120px; height: 120px;">
        <html:h2 style="font-size: 13px; color: var(--error); margin: 0 0 2px 0;">Detailed Error Logs</html:h2>
        <html:textarea id="error-log-box" readonly="true" style="flex: 1; width: 100%; font-family: monospace; font-size: 11px; padding: 8px; border: 1px solid var(--border-color); border-radius: 6px; background-color: var(--bg-secondary); color: var(--text-primary); resize: none; box-sizing: border-box; outline: none;"></html:textarea>
      </html:div>
      
      <html:div class="button-group">
        <html:button id="btn-close" class="btn btn-secondary" onclick="window.close()" disabled="true">Close</html:button>
      </html:div>
    </html:div>
  </html:div>

  <script src="chrome://researchossync/content/dialog.js" type="application/javascript"/>
</window>