{# Shared bike form. Expects: action (url), csrf, old (dict), errors (dict), is_edit, bike #}
<form method="post" action="{{ action }}" novalidate>
  <input type="hidden" name="csrf" value="{{ csrf }}">
  {% if errors %}
    <div class="alert alert-error" role="alert">
      {% for key, val in errors.items() %}
        <div>{{ val }} {{ ' ' if not loop.last else '' }}</div>
      {% endfor %}
    </div>
  {% endif %}

  <label>
    <span>Name</span>
    <input type="text" name="name" value="{{ old.get('name', bike.name if bike else '') }}" required>
  </label>

  <label>
    <span>Service interval (miles)</span>
    <input type="number" name="service_interval_miles" min="1" step="1"
           value="{{ old.get('service_interval_miles', bike.service_interval_miles if bike else '') }}">
    <small class="muted">How often this bike needs a full service, in miles.</small>
  </label>

  <div class="form-actions">
    <button type="submit" class="btn btn-primary">{{ 'Save changes' if is_edit else 'Add bike' }}</button>
    <a href="javascript:history.back()" class="btn">Cancel</a>
  </div>
</form>