// 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/component/cpp/connect.h>

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

using modular::testing::Signal;
using modular::testing::TestPoint;

namespace {

// Cf. README.md for what this test does and how.
class TestModule {
 public:
  TestPoint initialized_{"fuchsia::modular::Clipboard module initialized"};
  TestPoint successful_peek_{
      "fuchsia::modular::Clipboard pushed and peeked value"};

  TestModule(modular::ModuleHost* const module_host,
             fidl::InterfaceRequest<
                 fuchsia::ui::app::ViewProvider> /*view_provider_request*/)
      : module_host_(module_host) {
    modular::testing::Init(module_host->startup_context(), __FILE__);
    initialized_.Pass();

    SetUp();

    const std::string expected_value = "hello there";
    clipboard_->Push(expected_value);
    clipboard_->Peek([this, expected_value](fidl::StringPtr text) {
      if (expected_value == text) {
        successful_peek_.Pass();
      }
      Signal(modular::testing::kTestShutdown);
    });
  }

  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)) {}

  TestPoint stopped_{"fuchsia::modular::Clipboard module stopped"};
  void Terminate(const std::function<void()>& done) {
    stopped_.Pass();
    modular::testing::Done(done);
  }

 private:
  void SetUp() {
    module_host_->module_context()->GetComponentContext(
        component_context_.NewRequest());

    fuchsia::sys::ServiceProviderPtr agent_services;
    component_context_->ConnectToAgent(kClipboardAgentUrl,
                                       agent_services.NewRequest(),
                                       agent_controller_.NewRequest());
    component::ConnectToService(agent_services.get(), clipboard_.NewRequest());
  }

  modular::ModuleHost* const module_host_;
  fuchsia::modular::AgentControllerPtr agent_controller_;
  fuchsia::modular::ClipboardPtr clipboard_;
  fuchsia::modular::ComponentContextPtr component_context_;

  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;
}