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<%= form_for(@booking) do |f| %>
  <% if @booking.errors.any? %>
    <div id="error_explanation">
      <h2><%= pluralize(@booking.errors.count, "error") %> prohibited this booking from being saved:</h2>

      <ul>
      <% @booking.errors.full_messages.each do |msg| %>
        <li><%= msg %></li>
      <% end %>
      </ul>
    </div>
  <% end %>

  <div class="field">
    <%= f.label :capacity %><br />
    <%= f.text_field :capacity %>
  </div>
  <div class="field">
    <%= f.label :date %><br />
    <%= f.text_field :date %>
  </div>

  <h1>  form for appointment </h1>
        <%= f.fields_for :appointments do |builder| %>
          <div class="field">
            <%= builder.label :name %><br />
            <%= builder.text_field :name %>
          </div>
          <div class="field">
            <%= builder.label :mobile %><br />
            <%= builder.text_field :mobile %>
          </div>

        <% end %>

  <div class="actions">
    <%= f.submit %>
  </div>
<% end %>

  def create
    @booking = Booking.new(params[:booking])
    @appointment = @booking.appointments.build(params[:appointments])

    respond_to do |format|
      if @booking.save
        format.html { redirect_to @booking, notice: 'Booking was successfully created.' }
        format.json { render json: @booking, status: :created, location: @booking }
      else
        format.html { render action: "new" }
        format.json { render json: @booking.errors, status: :unprocessable_entity }
      end
    end
  end