whatsapp calls fixes

app/controllers/api/v1/accounts/whatsapp_calls_controller.rb

@@ -38,19 +38,51 @@ class Api::V1::Accounts::WhatsappCallsController < Api::V1::Accounts::BaseContro
     contact_phone = conversation.contact&.phone_number
     return render json: { error: 'Contact phone number not available' }, status: :unprocessable_entity if contact_phone.blank?
 
-    result = conversation.inbox.channel.provider_service.initiate_call(contact_phone.delete('+'))
-    return render json: { error: 'Failed to initiate call' }, status: :internal_server_error unless result
+    sdp_offer = params[:sdp_offer]
+    return render json: { error: 'sdp_offer is required' }, status: :unprocessable_entity if sdp_offer.blank?
 
-    render json: { status: 'calling', call_id: result['call_id'] }
+    result = conversation.inbox.channel.provider_service.initiate_call(contact_phone.delete('+'), sdp_offer)
+    call_id = result.dig('calls', 0, 'id') || result['call_id']
+    wa_call = current_account.whatsapp_calls.create!(
+      inbox: conversation.inbox,
+      conversation: conversation,
+      call_id: call_id,
+      direction: 'outbound',
+      status: 'ringing',
+      meta: { sdp_offer: sdp_offer }
+    )
+
+    render json: { status: 'calling', call_id: call_id, id: wa_call.id }
+  rescue Whatsapp::CallErrors::NoCallPermission
+    handle_no_call_permission(conversation)
   rescue ActiveRecord::RecordNotFound
     render json: { error: 'Conversation not found' }, status: :not_found
   rescue StandardError => e
     Rails.logger.error "[WHATSAPP CALL] initiate failed: #{e.message}"
-    render json: { error: 'Failed to initiate call' }, status: :internal_server_error
+    render json: { error: e.message }, status: :unprocessable_entity
   end
 
   private
 
+  def handle_no_call_permission(conversation)
+    last_requested = conversation.additional_attributes&.dig('call_permission_requested_at')
+
+    # Don't re-send if permission was requested within the last 5 minutes
+    if last_requested.present? && Time.zone.parse(last_requested) > 5.minutes.ago
+      render json: { status: 'permission_pending' }
+      return
+    end
+
+    contact_phone = conversation.contact.phone_number.delete('+')
+    result = conversation.inbox.channel.provider_service.send_call_permission_request(contact_phone)
+    if result
+      conversation.update!(additional_attributes: (conversation.additional_attributes || {}).merge('call_permission_requested_at' => Time.current.iso8601))
+      render json: { status: 'permission_requested' }
+    else
+      render json: { error: 'Failed to send call permission request' }, status: :unprocessable_entity
+    end
+  end
+
   def validate_whatsapp_calling(conversation)
     channel = conversation.inbox.channel
     return 'Calling is only supported on WhatsApp Cloud inboxes' unless channel.is_a?(Channel::Whatsapp) && channel.provider == 'whatsapp_cloud'