#include "sharing/linux/app/application_controller.h"

#include <QApplication>
#include <QQuickWindow>

#include "gtest/gtest.h"

class ApplicationControllerTestPeer {
 public:
  static void AddOfferNotification(ApplicationController& controller,
                                   uint notification_id,
                                   qint64 share_target_id) {
    controller.notification_to_transfer_.insert(notification_id,
                                                share_target_id);
    controller.transfer_to_notification_.insert(share_target_id,
                                                notification_id);
  }

  static void InvokeAction(ApplicationController& controller,
                           uint notification_id, const QString& action) {
    controller.OnNotificationAction(notification_id, action);
  }

  static void Dismiss(ApplicationController& controller, uint notification_id) {
    controller.OnNotificationClosed(notification_id, /*reason=*/2);
  }

  static void DeliverOfferWithoutActions(ApplicationController& controller,
                                         qint64 share_target_id) {
    controller.actions_supported_ = false;
    controller.OnIncomingOffer(share_target_id, QStringLiteral("Peer"), 1, 100);
  }

  static bool HasNotification(const ApplicationController& controller,
                              uint notification_id) {
    return controller.notification_to_transfer_.contains(notification_id);
  }
};

namespace {

QApplication& TestApplication() {
  static int argc = 1;
  static char application_name[] = "application_controller_test";
  static char* argv[] = {application_name, nullptr};
  static QApplication application(argc, argv);
  return application;
}

TEST(ApplicationControllerTest, NativeActionsRouteToTransfer) {
  ApplicationController controller(TestApplication());
  qint64 accepted_target = 0;
  qint64 rejected_target = 0;
  QObject::connect(&controller, &ApplicationController::acceptRequested,
                   [&accepted_target](qint64 id) { accepted_target = id; });
  QObject::connect(&controller, &ApplicationController::rejectRequested,
                   [&rejected_target](qint64 id) { rejected_target = id; });

  ApplicationControllerTestPeer::AddOfferNotification(controller, 10, 101);
  ApplicationControllerTestPeer::InvokeAction(controller, 10,
                                              QStringLiteral("accept"));
  ApplicationControllerTestPeer::AddOfferNotification(controller, 11, 102);
  ApplicationControllerTestPeer::InvokeAction(controller, 11,
                                              QStringLiteral("decline"));

  EXPECT_EQ(accepted_target, 101);
  EXPECT_EQ(rejected_target, 102);
  EXPECT_FALSE(ApplicationControllerTestPeer::HasNotification(controller, 10));
  EXPECT_FALSE(ApplicationControllerTestPeer::HasNotification(controller, 11));
}

TEST(ApplicationControllerTest, DismissalDoesNotResolveTransfer) {
  ApplicationController controller(TestApplication());
  int responses = 0;
  QObject::connect(&controller, &ApplicationController::acceptRequested,
                   [&responses](qint64) { ++responses; });
  QObject::connect(&controller, &ApplicationController::rejectRequested,
                   [&responses](qint64) { ++responses; });
  ApplicationControllerTestPeer::AddOfferNotification(controller, 20, 201);

  ApplicationControllerTestPeer::Dismiss(controller, 20);

  EXPECT_EQ(responses, 0);
  EXPECT_FALSE(ApplicationControllerTestPeer::HasNotification(controller, 20));
}

TEST(ApplicationControllerTest, DefaultActionShowsWindow) {
  ApplicationController controller(TestApplication());
  QQuickWindow window;
  window.hide();
  controller.AttachWindow(&window);
  ApplicationControllerTestPeer::AddOfferNotification(controller, 30, 301);

  ApplicationControllerTestPeer::InvokeAction(controller, 30,
                                              QStringLiteral("default"));

  EXPECT_TRUE(window.isVisible());
}

TEST(ApplicationControllerTest, MissingNotificationActionsShowsWindow) {
  ApplicationController controller(TestApplication());
  QQuickWindow window;
  window.hide();
  controller.AttachWindow(&window);

  ApplicationControllerTestPeer::DeliverOfferWithoutActions(controller, 401);

  EXPECT_TRUE(window.isVisible());
}

}  // namespace