// Copyright 2017 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <fuchsia/modular/cpp/fidl.h>
#include <fuchsia/ui/viewsv1/cpp/fidl.h>
#include <lib/app_driver/cpp/module_driver.h>
#include <lib/async-loop/cpp/loop.h>
#include <lib/fsl/vmo/strings.h>

#include "peridot/public/lib/integration_testing/cpp/reporting.h"
#include "peridot/public/lib/integration_testing/cpp/testing.h"
#include "peridot/tests/common/defs.h"
#include "peridot/tests/parent_child/defs.h"

using modular::testing::Get;
using modular::testing::Put;
using modular::testing::Signal;
using modular::testing::TestPoint;

namespace {

// Cf. README.md for what this test does and how.
class TestModule {
 public:
  TestModule(modular::ModuleHost* module_host,
             fidl::InterfaceRequest<
                 fuchsia::ui::app::ViewProvider> /*view_provider_request*/) {
    modular::testing::Init(module_host->startup_context(), __FILE__);

    FXL_LOG(INFO) << "Child module 1 initialized";
    Signal(std::string("child_module_1_init"));
  }

  TestModule(modular::ModuleHost* const module_host,
             fidl::InterfaceRequest<
                 fuchsia::ui::viewsv1::ViewProvider> /*view_provider_request*/)
      : TestModule(
            module_host,
            fidl::InterfaceRequest<fuchsia::ui::app::ViewProvider>(nullptr)) {}

  // Called from ModuleDriver.
  TestPoint stopped_{"Child module 1 stopped"};
  void Terminate(const std::function<void()>& done) {
    FXL_LOG(INFO) << "Child module 1 exiting.";
    stopped_.Pass();

    Signal("child_module_1_stop");
    modular::testing::Done(done);
  }

 private:
  FXL_DISALLOW_COPY_AND_ASSIGN(TestModule);
};

}  // namespace

int main(int /*argc*/, const char** /*argv*/) {
  async::Loop loop(&kAsyncLoopConfigAttachToThread);
  auto context = component::StartupContext::CreateFromStartupInfo();
  modular::ModuleDriver<TestModule> driver(context.get(),
                                           [&loop] { loop.Quit(); });
  loop.Run();
  return 0;
}