// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.

#include <assert.h>
#include <gtest/gtest.h>
#include <string.h>
#include <time.h>
#include <algorithm>
#include <string>
#include <vector>

#if defined(__linux__)
#include <sys/utsname.h>
#endif

#include "cdm.h"
#include "device_cert.h"
#include "log.h"
#include "test_base.h"
#include "test_host.h"

using namespace widevine;

TestHost* g_host = nullptr;
std::string g_sandbox_id = "";

namespace {
constexpr const char kSandboxIdParam[] = "--sandbox_id=";

// Following the pattern established by help text in test_base.cpp
constexpr const char kExtraHelpText[] =
    "  --sandbox_id=<sandbox_id>\n"
    "    Specifies the Sandbox ID that should be sent to OEMCrypto via\n"
    "    OEMCrypto_SetSandbox(). On most platforms, since Sandbox IDs are not\n"
    "    in use, this parameter should be omitted.\n";
}  // namespace

int main(int argc, char** argv) {
  // Init gtest and let it consume arguments.
  ::testing::InitGoogleTest(&argc, argv);

  // Find and filter out the Sandbox ID, if any.
  std::vector<std::string> args(argv, argv + argc);
  auto sandbox_id_iter = std::find_if(std::begin(args) + 1, std::end(args),
                                      [](const std::string& elem) -> bool {
                                        return elem.find(kSandboxIdParam) == 0;
                                      });
  if (sandbox_id_iter != std::end(args)) {
    g_sandbox_id = sandbox_id_iter->substr(strlen(kSandboxIdParam));
    args.erase(sandbox_id_iter);
  }

  // Set up a Host and initialize the library.  This makes these services
  // available to the tests.  We would do this in the test suite itself, but the
  // core & OEMCrypto tests don't know they depend on this for storage.
  g_host = new TestHost();
  Cdm::ClientInfo client_info;
  // Set client info that denotes this as the test suite:
  client_info.product_name = "CE cdm tests";
  client_info.company_name = "www";
  client_info.model_name = "www";
#if defined(__linux__)
  client_info.device_name = "Linux";
  {
    struct utsname name;
    if (uname(&name) == 0) {
      client_info.arch_name = name.machine;
    }
  }
#else
  client_info.device_name = "unknown";
#endif
  client_info.build_info = __DATE__;

  Cdm::Status status = Cdm::initialize(
      Cdm::kNoSecureOutput, client_info, g_host, g_host, g_host,
      static_cast<Cdm::LogLevel>(wvcdm::g_cutoff), g_sandbox_id);
  (void)status;  // status is now used when assertions are turned off.
  assert(status == Cdm::kSuccess);

  std::vector<const char*> new_argv(args.size());
  std::transform(
      std::begin(args), std::end(args), std::begin(new_argv),
      [](const std::string& arg) -> const char* { return arg.c_str(); });
  // This must take place after the call to Cdm::initialize() because it makes
  // calls that are only valid after the library is initialized.
  if (!wvcdm::WvCdmTestBase::Initialize(new_argv.size(), new_argv.data(),
                                        kExtraHelpText)) {
    return 0;
  }

  return RUN_ALL_TESTS();
}