// Copyright (c) 2012 The Chromium Embedded Framework 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 "tests/ceftests/test_util.h"
#include "include/cef_command_line.h"
#include "include/cef_request_context_handler.h"
#include "tests/gtest/include/gtest/gtest.h"

void TestMapEqual(const CefRequest::HeaderMap& map1,
                  const CefRequest::HeaderMap& map2,
                  bool allowExtras) {
  if (!allowExtras) {
    EXPECT_EQ(map1.size(), map2.size());
  }

  TestMapNoDuplicates(map1);
  TestMapNoDuplicates(map2);

  CefRequest::HeaderMap::const_iterator it1, it2;

  for (it1 = map1.begin(); it1 != map1.end(); ++it1) {
    bool found = false;
    std::string name1 = it1->first;
    std::transform(name1.begin(), name1.end(), name1.begin(), ::tolower);
    for (it2 = map2.begin(); it2 != map2.end(); ++it2) {
      std::string name2 = it2->first;
      std::transform(name2.begin(), name2.end(), name2.begin(), ::tolower);
      if (name1 == name2 && it1->second == it2->second) {
        found = true;
        break;
      }
    }
    EXPECT_TRUE(found) << "No entry for " << it1->first.ToString() << ": "
                       << it1->second.ToString();
  }
}

void TestMapNoDuplicates(const CefRequest::HeaderMap& map) {
  CefRequest::HeaderMap::const_iterator it1 = map.begin();
  for (; it1 != map.end(); ++it1) {
    CefRequest::HeaderMap::const_iterator it2 = it1;
    for (++it2; it2 != map.end(); ++it2) {
      EXPECT_FALSE(it1->first == it2->first && it1->second == it2->second)
          << "Duplicate entry for " << it1->first.ToString() << ": "
          << it1->second.ToString();
    }
  }
}

void TestPostDataElementEqual(CefRefPtr<CefPostDataElement> elem1,
                              CefRefPtr<CefPostDataElement> elem2) {
  EXPECT_TRUE(elem1.get());
  EXPECT_TRUE(elem2.get());

  EXPECT_EQ(elem1->GetType(), elem2->GetType());
  switch (elem1->GetType()) {
    case PDE_TYPE_BYTES: {
      EXPECT_EQ(elem1->GetBytesCount(), elem2->GetBytesCount());
      size_t bytesCt = elem1->GetBytesCount();
      char* buff1 = new char[bytesCt];
      char* buff2 = new char[bytesCt];
      elem1->GetBytes(bytesCt, buff1);
      elem2->GetBytes(bytesCt, buff2);
      EXPECT_TRUE(!memcmp(buff1, buff2, bytesCt));
      delete[] buff1;
      delete[] buff2;
    } break;
    case PDE_TYPE_FILE:
      EXPECT_EQ(elem1->GetFile(), elem2->GetFile());
      break;
    default:
      break;
  }
}

void TestPostDataEqual(CefRefPtr<CefPostData> postData1,
                       CefRefPtr<CefPostData> postData2) {
  EXPECT_TRUE(postData1.get());
  EXPECT_TRUE(postData2.get());

  EXPECT_EQ(postData1->GetElementCount(), postData2->GetElementCount());

  CefPostData::ElementVector ev1, ev2;
  postData1->GetElements(ev1);
  postData1->GetElements(ev2);
  ASSERT_EQ(ev1.size(), ev2.size());

  CefPostData::ElementVector::const_iterator it1 = ev1.begin();
  CefPostData::ElementVector::const_iterator it2 = ev2.begin();
  for (; it1 != ev1.end() && it2 != ev2.end(); ++it1, ++it2)
    TestPostDataElementEqual((*it1), (*it2));
}

void TestRequestEqual(CefRefPtr<CefRequest> request1,
                      CefRefPtr<CefRequest> request2,
                      bool allowExtras) {
  EXPECT_TRUE(request1.get());
  EXPECT_TRUE(request2.get());

  EXPECT_STREQ(request1->GetURL().ToString().c_str(),
               request2->GetURL().ToString().c_str());
  EXPECT_STREQ(request1->GetMethod().ToString().c_str(),
               request2->GetMethod().ToString().c_str());

  EXPECT_STREQ(request1->GetReferrerURL().ToString().c_str(),
               request2->GetReferrerURL().ToString().c_str());
  EXPECT_EQ(request1->GetReferrerPolicy(), request2->GetReferrerPolicy());

  CefRequest::HeaderMap headers1, headers2;
  request1->GetHeaderMap(headers1);
  request2->GetHeaderMap(headers2);
  TestMapEqual(headers1, headers2, allowExtras);

  CefRefPtr<CefPostData> postData1 = request1->GetPostData();
  CefRefPtr<CefPostData> postData2 = request2->GetPostData();
  EXPECT_EQ(!!(postData1.get()), !!(postData2.get()));
  if (postData1.get() && postData2.get())
    TestPostDataEqual(postData1, postData2);
}

void TestResponseEqual(CefRefPtr<CefResponse> response1,
                       CefRefPtr<CefResponse> response2,
                       bool allowExtras) {
  EXPECT_TRUE(response1.get());
  EXPECT_TRUE(response2.get());

  EXPECT_EQ(response1->GetStatus(), response2->GetStatus());
  EXPECT_STREQ(response1->GetStatusText().ToString().c_str(),
               response2->GetStatusText().ToString().c_str());
  EXPECT_STREQ(response1->GetMimeType().ToString().c_str(),
               response2->GetMimeType().ToString().c_str());

  CefRequest::HeaderMap headers1, headers2;
  response1->GetHeaderMap(headers1);
  response2->GetHeaderMap(headers2);
  TestMapEqual(headers1, headers2, allowExtras);
}

void TestBinaryEqual(CefRefPtr<CefBinaryValue> val1,
                     CefRefPtr<CefBinaryValue> val2) {
  EXPECT_TRUE(val1.get());
  EXPECT_TRUE(val2.get());

  EXPECT_TRUE(val1->IsEqual(val2));
  EXPECT_TRUE(val2->IsEqual(val1));

  size_t data_size = val1->GetSize();
  EXPECT_EQ(data_size, val2->GetSize());

  EXPECT_GT(data_size, (size_t)0);

  char* data1 = new char[data_size + 1];
  char* data2 = new char[data_size + 1];

  EXPECT_EQ(data_size, val1->GetData(data1, data_size, 0));
  data1[data_size] = 0;
  EXPECT_EQ(data_size, val2->GetData(data2, data_size, 0));
  data2[data_size] = 0;

  EXPECT_STREQ(data1, data2);

  delete[] data1;
  delete[] data2;
}

void TestDictionaryEqual(CefRefPtr<CefDictionaryValue> val1,
                         CefRefPtr<CefDictionaryValue> val2) {
  EXPECT_TRUE(val1.get());
  EXPECT_TRUE(val2.get());

  EXPECT_TRUE(val1->IsEqual(val2));
  EXPECT_TRUE(val2->IsEqual(val1));

  EXPECT_EQ(val1->GetSize(), val2->GetSize());

  CefDictionaryValue::KeyList keys;
  EXPECT_TRUE(val1->GetKeys(keys));

  CefDictionaryValue::KeyList::const_iterator it = keys.begin();
  for (; it != keys.end(); ++it) {
    CefString key = *it;
    EXPECT_TRUE(val2->HasKey(key));
    CefValueType type = val1->GetType(key);
    EXPECT_EQ(type, val2->GetType(key));
    switch (type) {
      case VTYPE_INVALID:
      case VTYPE_NULL:
        break;
      case VTYPE_BOOL:
        EXPECT_EQ(val1->GetBool(key), val2->GetBool(key));
        break;
      case VTYPE_INT:
        EXPECT_EQ(val1->GetInt(key), val2->GetInt(key));
        break;
      case VTYPE_DOUBLE:
        EXPECT_EQ(val1->GetDouble(key), val2->GetDouble(key));
        break;
      case VTYPE_STRING:
        EXPECT_EQ(val1->GetString(key), val2->GetString(key));
        break;
      case VTYPE_BINARY:
        TestBinaryEqual(val1->GetBinary(key), val2->GetBinary(key));
        break;
      case VTYPE_DICTIONARY:
        TestDictionaryEqual(val1->GetDictionary(key), val2->GetDictionary(key));
        break;
      case VTYPE_LIST:
        TestListEqual(val1->GetList(key), val2->GetList(key));
        break;
    }
  }
}

void TestListEqual(CefRefPtr<CefListValue> val1, CefRefPtr<CefListValue> val2) {
  EXPECT_TRUE(val1.get());
  EXPECT_TRUE(val2.get());

  EXPECT_TRUE(val1->IsEqual(val2));
  EXPECT_TRUE(val2->IsEqual(val1));

  size_t size = val1->GetSize();
  EXPECT_EQ(size, val2->GetSize());

  for (size_t i = 0; i < size; ++i) {
    CefValueType type = val1->GetType(i);
    EXPECT_EQ(type, val2->GetType(i));
    switch (type) {
      case VTYPE_INVALID:
      case VTYPE_NULL:
        break;
      case VTYPE_BOOL:
        EXPECT_EQ(val1->GetBool(i), val2->GetBool(i));
        break;
      case VTYPE_INT:
        EXPECT_EQ(val1->GetInt(i), val2->GetInt(i));
        break;
      case VTYPE_DOUBLE:
        EXPECT_EQ(val1->GetDouble(i), val2->GetDouble(i));
        break;
      case VTYPE_STRING:
        EXPECT_EQ(val1->GetString(i), val2->GetString(i));
        break;
      case VTYPE_BINARY:
        TestBinaryEqual(val1->GetBinary(i), val2->GetBinary(i));
        break;
      case VTYPE_DICTIONARY:
        TestDictionaryEqual(val1->GetDictionary(i), val2->GetDictionary(i));
        break;
      case VTYPE_LIST:
        TestListEqual(val1->GetList(i), val2->GetList(i));
        break;
    }
  }
}

void TestProcessMessageEqual(CefRefPtr<CefProcessMessage> val1,
                             CefRefPtr<CefProcessMessage> val2) {
  EXPECT_TRUE(val1.get());
  EXPECT_TRUE(val2.get());
  EXPECT_EQ(val1->GetName(), val2->GetName());

  TestListEqual(val1->GetArgumentList(), val2->GetArgumentList());
}

void TestStringVectorEqual(const std::vector<CefString>& val1,
                           const std::vector<CefString>& val2) {
  EXPECT_EQ(val1.size(), val2.size());

  for (size_t i = 0; i < val1.size(); ++i)
    EXPECT_STREQ(val1[i].ToString().c_str(), val2[i].ToString().c_str());
}

bool TestOldResourceAPI() {
  static int state = -1;
  if (state == -1) {
    CefRefPtr<CefCommandLine> command_line =
        CefCommandLine::GetGlobalCommandLine();
    state = command_line->HasSwitch("test-old-resource-api") ? 1 : 0;
  }
  return state ? true : false;
}

CefRefPtr<CefRequestContext> CreateTestRequestContext(
    TestRequestContextMode mode,
    const std::string& cache_path) {
  EXPECT_TRUE(cache_path.empty() || mode == TEST_RC_MODE_CUSTOM ||
              mode == TEST_RC_MODE_CUSTOM_WITH_HANDLER);

  if (mode == TEST_RC_MODE_NONE)
    return nullptr;
  if (mode == TEST_RC_MODE_GLOBAL)
    return CefRequestContext::GetGlobalContext();

  CefRefPtr<CefRequestContextHandler> rc_handler;
  if (mode == TEST_RC_MODE_GLOBAL_WITH_HANDLER ||
      mode == TEST_RC_MODE_CUSTOM_WITH_HANDLER) {
    class Handler : public CefRequestContextHandler {
     public:
      Handler() {}

     private:
      IMPLEMENT_REFCOUNTING(Handler);
    };
    rc_handler = new Handler();
  }

  if (mode == TEST_RC_MODE_CUSTOM || mode == TEST_RC_MODE_CUSTOM_WITH_HANDLER) {
    CefRequestContextSettings settings;
    if (!cache_path.empty())
      CefString(&settings.cache_path) = cache_path;
    return CefRequestContext::CreateContext(settings, rc_handler);
  }

  EXPECT_EQ(mode, TEST_RC_MODE_GLOBAL_WITH_HANDLER);
  return CefRequestContext::CreateContext(CefRequestContext::GetGlobalContext(),
                                          rc_handler);
}