{{define "content"}}
{{$d := .}}
<div style="display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; flex-wrap:wrap; gap:12px;">
  <h1>Transactions</h1>
  <button class="btn btn-primary" onclick="openAddModal()">+ Add Transaction</button>
</div>

<div class="card mb-16">
  <form method="GET" class="flex flex-wrap" style="gap:8px; align-items:flex-end;">
    <div class="form-group" style="margin-bottom:0; min-width:160px;">
      <label style="font-size:12px; color:#888;">Category</label>
      <select name="category">
        <option value="">All Categories</option>
        {{range $d.Categories}}
        <option value="{{.Name}}" {{if eq $.Cat .Name}}selected{{end}}>{{.Name}}</option>
        {{end}}
      </select>
    </div>
    <div class="form-group" style="margin-bottom:0; min-width:120px;">
      <label style="font-size:12px; color:#888;">Period</label>
      <select name="days">
        <option value="">All time</option>
        <option value="30" {{if eq $.Days "30"}}selected{{end}}>30 days</option>
        <option value="90" {{if eq $.Days "90"}}selected{{end}}>90 days</option>
        <option value="365" {{if eq $.Days "365"}}selected{{end}}>1 year</option>
      </select>
    </div>
    <div class="form-group" style="margin-bottom:0; flex:1; min-width:200px;">
      <label style="font-size:12px; color:#888;">Search</label>
      <input type="text" name="search" placeholder="Search description..." value="{{.Search}}">
    </div>
    <button type="submit" class="btn btn-primary">Filter</button>
    {{if or $.Cat $.Search $.Days}}
    <a href="/transactions" class="btn btn-outline">Clear</a>
    {{end}}
  </form>
</div>

<div class="card">
  <div style="display:flex; justify-content:space-between; align-items:center; margin-bottom:12px;">
    <span class="text-muted">{{len $d.Txns}} transaction{{if ne (len $d.Txns) 1}}s{{end}}</span>
  </div>
  <div class="table-wrap">
    <table>
      <thead>
        <tr>
          <th>Date</th>
          <th>Description</th>
          <th>Account</th>
          <th>Category</th>
          <th class="text-right">Amount</th>
          <th></th>
        </tr>
      </thead>
      <tbody>
        {{range $d.Txns}}
        {{$color := index $d.CategoryColors .Category}}
        <tr id="row-{{.ID}}">
          <td style="white-space:nowrap;">{{dateShort .Date}}</td>
          <td class="desc-cell">{{.Description}}</td>
          <td class="text-muted" style="font-size:13px;">
            {{$name := index $d.AccountNames .AccountID}}
            {{if $name}}{{$name}}{{else}}<span style="opacity:0.4;">—</span>{{end}}
          </td>
          <td>
            <span class="cat-badge" id="cat-{{.ID}}"
                  style="background:{{if $color}}{{$color}}22{{else}}#e0e0e0{{end}}; color:{{if $color}}{{$color}}{{else}}#555{{end}}; border:1px solid {{if $color}}{{$color}}44{{else}}#ccc{{end}}; padding:2px 10px; border-radius:12px; font-size:12px; font-weight:500;">
              {{if $color}}<span style="display:inline-block;width:7px;height:7px;border-radius:50%;background:{{$color}};margin-right:5px;vertical-align:middle;"></span>{{end}}{{.Category}}
            </span>
            <select class="cat-select" id="sel-{{.ID}}" style="display:none; font-size:12px; padding:2px 6px; border-radius:8px; border:1px solid #c5cae9;"
                    onchange="saveCategory('{{.ID}}', this.value)" onblur="cancelEdit('{{.ID}}')">
              {{range $d.Categories}}
              <option value="{{.Name}}" {{if eq .Name $.Category}}selected{{end}}>{{.Name}}</option>
              {{end}}
            </select>
            <button class="btn btn-outline btn-sm" onclick="editCat('{{.ID}}')" id="edit-btn-{{.ID}}" title="Edit category">✎</button>
          </td>
          <td class="cents {{if lt .AmountCents 0}}negative{{else}}positive{{end}}" style="font-variant-numeric:tabular-nums; white-space:nowrap;">
            {{if lt .AmountCents 0}}−{{else}}+{{end}}€{{cents (centsAbs .AmountCents)}}
          </td>
          <td>
            <button class="btn btn-danger btn-sm" onclick="delTxn('{{.ID}}')" title="Delete">✕</button>
          </td>
        </tr>
        {{else}}
        <tr><td colspan="6" class="text-center text-muted" style="padding:40px;">No transactions found. <a href="/import">Import some</a> or <button class="btn btn-outline btn-sm" onclick="openAddModal()">add manually</button>.</td></tr>
        {{end}}
      </tbody>
    </table>
  </div>
</div>

<!-- Add Transaction Modal -->
<div id="add-modal" style="display:none; position:fixed; inset:0; background:rgba(0,0,0,0.4); z-index:200; align-items:center; justify-content:center;">
  <div class="card" style="width:420px; max-width:95vw; margin:0; animation:fadeIn 0.2s ease-out;">
    <h2 style="font-size:18px; font-weight:700; color:#333; margin-bottom:20px;">Add Transaction</h2>
    <div class="form-group">
      <label>Date</label>
      <input type="date" id="add-date" required>
    </div>
    <div class="form-group">
      <label>Description</label>
      <input type="text" id="add-desc" placeholder="e.g. Coffee at Starbucks" required>
    </div>
    <div class="form-group">
      <label>Amount (€)</label>
      <div class="flex" style="gap:8px;">
        <select id="add-sign" style="width:90px; padding:8px; border:1px solid #ddd; border-radius:8px;">
          <option value="-1">Expense</option>
          <option value="1">Income</option>
        </select>
        <input type="number" id="add-amount" placeholder="0.00" step="0.01" min="0" style="flex:1;">
      </div>
    </div>
    <div class="form-group">
      <label>Category</label>
      <select id="add-cat">
        {{range $d.Categories}}
        <option value="{{.Name}}">{{.Name}}</option>
        {{end}}
        {{if not $d.Categories}}
        <option value="Others">Others</option>
        {{end}}
      </select>
    </div>
    <div class="form-group">
      <label>Account</label>
      <select id="add-account">
        <option value="">— none —</option>
        {{range $d.Accounts}}
        <option value="{{.ID}}">{{.Name}} ({{.Type}})</option>
        {{end}}
      </select>
    </div>
    <div class="flex" style="gap:8px; justify-content:flex-end; margin-top:8px;">
      <button class="btn btn-outline" onclick="closeAddModal()">Cancel</button>
      <button class="btn btn-primary" onclick="submitAdd()">Save</button>
    </div>
    <div id="add-error" class="error" style="display:none; margin-top:8px;"></div>
  </div>
</div>

<style>
.desc-cell { max-width:280px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.cat-badge { cursor:default; display:inline-flex; align-items:center; }
</style>
<script>
const catColors = {{range $k,$v := $d.CategoryColors}}"{{$k}}":"{{$v}}",{{end}};

function editCat(id) {
  document.getElementById('cat-' + id).style.display = 'none';
  document.getElementById('edit-btn-' + id).style.display = 'none';
  const sel = document.getElementById('sel-' + id);
  sel.style.display = 'inline-block';
  sel.focus();
}

function cancelEdit(id) {
  setTimeout(() => {
    document.getElementById('cat-' + id).style.display = 'inline-flex';
    document.getElementById('edit-btn-' + id).style.display = 'inline-block';
    document.getElementById('sel-' + id).style.display = 'none';
  }, 150);
}

function saveCategory(id, cat) {
  fetch('/api/transactions/' + id, {
    method: 'PUT',
    headers: {'Content-Type': 'application/json'},
    body: JSON.stringify({category: cat})
  }).then(r => {
    if (!r.ok) return;
    const badge = document.getElementById('cat-' + id);
    const color = catColors[cat] || '';
    badge.style.background = color ? color + '22' : '#e0e0e0';
    badge.style.color = color || '#555';
    badge.style.border = '1px solid ' + (color ? color + '44' : '#ccc');
    badge.innerHTML = (color ? `<span style="display:inline-block;width:7px;height:7px;border-radius:50%;background:${color};margin-right:5px;vertical-align:middle;"></span>` : '') + cat;
    cancelEdit(id);
  });
}

function delTxn(id) {
  if (!confirm('Delete this transaction?')) return;
  fetch('/api/transactions/' + id, {method: 'DELETE'}).then(r => {
    if (r.ok) document.getElementById('row-' + id).remove();
  });
}

function openAddModal() {
  const modal = document.getElementById('add-modal');
  modal.style.display = 'flex';
  document.getElementById('add-date').value = new Date().toISOString().slice(0,10);
  document.getElementById('add-desc').focus();
}

function closeAddModal() {
  document.getElementById('add-modal').style.display = 'none';
  document.getElementById('add-error').style.display = 'none';
}

function submitAdd() {
  const date = document.getElementById('add-date').value;
  const desc = document.getElementById('add-desc').value.trim();
  const sign = parseInt(document.getElementById('add-sign').value);
  const amt = parseFloat(document.getElementById('add-amount').value);
  const cat = document.getElementById('add-cat').value;
  const account = document.getElementById('add-account').value;

  if (!date || !desc || isNaN(amt) || amt <= 0) {
    const err = document.getElementById('add-error');
    err.textContent = 'Please fill in date, description, and a positive amount.';
    err.style.display = 'block';
    return;
  }

  const amountCents = Math.round(amt * 100) * sign;
  fetch('/api/transactions', {
    method: 'POST',
    headers: {'Content-Type': 'application/json'},
    body: JSON.stringify({account_id: account, date, description: desc, amount_cents: amountCents, category: cat})
  }).then(r => {
    if (!r.ok) { document.getElementById('add-error').textContent = 'Failed to save.'; document.getElementById('add-error').style.display = 'block'; return; }
    closeAddModal();
    location.reload();
  });
}

document.getElementById('add-modal').addEventListener('click', function(e) {
  if (e.target === this) closeAddModal();
});
document.addEventListener('keydown', e => { if (e.key === 'Escape') closeAddModal(); });
</script>
{{end}}