{{define "content"}}
{{$d := .}}
<h1 style="margin-bottom:24px;">Categories</h1>

<div class="card animate-on-scroll">
  <h2 style="margin-bottom:16px;">Add Category</h2>
  <form method="POST" class="flex flex-wrap" style="gap:10px; align-items:flex-end;">
    <div class="form-group" style="margin-bottom:0; flex:1; min-width:160px;">
      <label>Name</label>
      <input type="text" name="name" placeholder="e.g. Dining" required>
    </div>
    <div class="form-group" style="margin-bottom:0; width:90px;">
      <label>Color</label>
      <input type="color" name="color" value="#7986CB">
    </div>
    <button type="submit" class="btn btn-primary">Add</button>
  </form>
</div>

<div class="card animate-on-scroll">
  <div class="table-wrap">
    <table>
      <thead>
        <tr>
          <th style="width:44px;"></th>
          <th>Name</th>
          <th>Monthly Budget</th>
          <th></th>
        </tr>
      </thead>
      <tbody>
        {{range $d.Categories}}
        <tr id="cat-row-{{.ID}}">
          <td>
            <span style="display:inline-block; width:24px; height:24px; border-radius:50%;
                  background:{{.Color}}; box-shadow:0 0 10px {{.Color}}66;"></span>
          </td>
          <td style="font-weight:500;">{{.Name}}</td>
          <td>
            <span id="budget-display-{{.ID}}" style="font-size:13.5px; color:var(--text2);">
              {{if gt .BudgetCents 0}}€{{cents .BudgetCents}}{{else}}<span class="text-muted">No budget</span>{{end}}
            </span>
            <span id="budget-edit-{{.ID}}" style="display:none; align-items:center; gap:6px;">
              <input type="number" id="budget-input-{{.ID}}" placeholder="0.00" step="0.01" min="0"
                     value="{{if gt .BudgetCents 0}}{{div .BudgetCents 100}}{{end}}"
                     style="width:110px; padding:5px 9px; border:1px solid var(--border2);
                            border-radius:6px; font-size:13px; background:var(--bg2); color:var(--text);">
              <button class="btn btn-primary btn-sm" onclick="saveBudget('{{.ID}}')">Save</button>
              <button class="btn btn-outline btn-sm" onclick="cancelBudget('{{.ID}}')">Cancel</button>
            </span>
            <button class="btn btn-outline btn-sm" id="budget-btn-{{.ID}}"
                    onclick="editBudget('{{.ID}}')" style="margin-left:8px;">Edit</button>
          </td>
          <td>
            <button class="btn btn-danger btn-sm" onclick="delCat('{{.ID}}')">Delete</button>
          </td>
        </tr>
        {{else}}
        <tr>
          <td colspan="4" class="text-center text-muted" style="padding:36px;">
            No categories yet. Add one above.
          </td>
        </tr>
        {{end}}
      </tbody>
    </table>
  </div>
</div>

<script>
function editBudget(id) {
  document.getElementById('budget-display-' + id).style.display = 'none';
  document.getElementById('budget-btn-' + id).style.display = 'none';
  const edit = document.getElementById('budget-edit-' + id);
  edit.style.display = 'inline-flex';
  document.getElementById('budget-input-' + id).focus();
}
function cancelBudget(id) {
  document.getElementById('budget-display-' + id).style.display = 'inline';
  document.getElementById('budget-btn-' + id).style.display = 'inline-flex';
  document.getElementById('budget-edit-' + id).style.display = 'none';
}
function saveBudget(id) {
  const val   = parseFloat(document.getElementById('budget-input-' + id).value.replace(',', '.'));
  if (isNaN(val) || val < 0) return;
  const cents = Math.round(val * 100);
  fetch('/categories/' + id, {
    method: 'PUT',
    headers: {'Content-Type': 'application/json'},
    body: JSON.stringify({budget_cents: cents})
  }).then(r => {
    if (!r.ok) return;
    const d = document.getElementById('budget-display-' + id);
    d.innerHTML = cents > 0
      ? '€' + (cents / 100).toLocaleString('pt-PT', {minimumFractionDigits:2})
      : '<span class="text-muted">No budget</span>';
    cancelBudget(id);
  });
}
function delCat(id) {
  if (!confirm('Delete this category? Transactions keep their label.')) return;
  fetch('/categories/' + id, {method: 'DELETE'}).then(r => {
    if (r.ok) document.getElementById('cat-row-' + id).remove();
  });
}
</script>
{{end}}