// Copyright 2022 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "cobalt/web/message_event.h"

#include <memory>
#include <string>

#include "base/bind.h"
#include "base/logging.h"
#include "cobalt/dom/testing/test_with_javascript.h"
#include "cobalt/script/v8c/entry_scope.h"
#include "cobalt/script/value_handle.h"
#include "cobalt/web/message_event_init.h"
#include "cobalt/web/testing/gtest_workarounds.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace cobalt {
namespace web {

namespace {
class MessageEventTestWithJavaScript : public dom::testing::TestWithJavaScript {
};
}  // namespace

TEST(MessageEventTest, ConstructorWithEventTypeString) {
  scoped_refptr<MessageEvent> event = new MessageEvent("mytestevent");

  EXPECT_EQ("mytestevent", event->type());
  EXPECT_EQ(NULL, event->target().get());
  EXPECT_EQ(NULL, event->current_target().get());
  EXPECT_EQ(Event::kNone, event->event_phase());
  EXPECT_FALSE(event->bubbles());
  EXPECT_FALSE(event->cancelable());
  EXPECT_FALSE(event->default_prevented());
  EXPECT_FALSE(event->IsBeingDispatched());
  EXPECT_FALSE(event->propagation_stopped());
  EXPECT_FALSE(event->immediate_propagation_stopped());
  MessageEvent::Response event_data = event->data();
  EXPECT_TRUE(event_data.IsType<std::string>());
  EXPECT_EQ("", event_data.AsType<std::string>());
}

TEST_F(MessageEventTestWithJavaScript,
       ConstructorWithEventTypeAndDefaultInitDict) {
  MessageEventInit init;
  base::Optional<script::ValueHandleHolder::Reference> reference;
  EvaluateScript("'data_value'", window(), &reference);
  init.set_data(&(reference->referenced_value()));
  scoped_refptr<MessageEvent> event = new MessageEvent("mytestevent", init);

  EXPECT_EQ("mytestevent", event->type());
  EXPECT_EQ(NULL, event->target().get());
  EXPECT_EQ(NULL, event->current_target().get());
  EXPECT_EQ(Event::kNone, event->event_phase());
  EXPECT_FALSE(event->bubbles());
  EXPECT_FALSE(event->cancelable());
  EXPECT_FALSE(event->default_prevented());
  EXPECT_FALSE(event->IsBeingDispatched());
  EXPECT_FALSE(event->propagation_stopped());
  EXPECT_FALSE(event->immediate_propagation_stopped());
  MessageEvent::Response event_data =
      event->data(window()->environment_settings());
  EXPECT_TRUE(event_data.IsType<script::Handle<script::ValueHandle>>());
  auto script_value =
      event_data.AsType<script::Handle<script::ValueHandle>>().GetScriptValue();
  auto* isolate = script::GetIsolate(*script_value);
  script::v8c::EntryScope entry_scope(isolate);
  v8::Local<v8::Value> v8_value = script::GetV8Value(*script_value);
  std::string actual =
      *(v8::String::Utf8Value(isolate, v8_value.As<v8::String>()));
  EXPECT_EQ("data_value", actual);
}

TEST_F(MessageEventTestWithJavaScript,
       ConstructorWithEventTypeAndErrorInitDict) {
  std::string result;
  EXPECT_TRUE(
      EvaluateScript("var event = new MessageEvent('dog', "
                     "    {'cancelable':true, "
                     "     'data':'data_value'});"
                     "if (event.type == 'dog' &&"
                     "    event.bubbles == false &&"
                     "    event.cancelable == true &&"
                     "    event.data == 'data_value') "
                     "    event.data;",
                     &result))
      << "Failed to evaluate script.";
  EXPECT_EQ("data_value", result);
}

}  // namespace web
}  // namespace cobalt