// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/update_client/update_query_params.h"

#include "base/check.h"
#include "base/system/sys_info.h"
#include "build/branding_buildflags.h"
#include "build/build_config.h"
#include "components/update_client/update_query_params_delegate.h"
#include "components/version_info/version_info.h"
#include "third_party/abseil-cpp/absl/strings/str_format.h"

#if BUILDFLAG(IS_WIN)
#include "base/win/windows_version.h"
#endif

namespace update_client {

namespace {

constexpr char kUnknown[] = "unknown";

// The request extra information is the OS and architecture, this helps
// the server select the right package to be delivered.
constexpr std::string_view kOs =
#if BUILDFLAG(IS_APPLE)
    "mac";
#elif BUILDFLAG(IS_WIN)
    "win";
#elif BUILDFLAG(IS_ANDROID)
    "android";
#elif BUILDFLAG(IS_CHROMEOS)
    "cros";
#elif BUILDFLAG(IS_LINUX)
    "linux";
#elif BUILDFLAG(IS_FUCHSIA)
    "fuchsia";
#elif BUILDFLAG(IS_OPENBSD)
    "openbsd";
#else
#error "unknown os"
#endif

constexpr std::string_view kArch =
#if defined(ARCH_CPU_X86_64)
    "x64";
#elif defined(ARCH_CPU_X86)
    "x86";
#elif defined(ARCH_CPU_ARMEL)
    "arm";
#elif defined(ARCH_CPU_ARM64)
    "arm64";
#elif defined(ARCH_CPU_MIPS64EL)
    "mips64el";
#elif defined(ARCH_CPU_MIPSEL)
    "mipsel";
#elif defined(__powerpc64__)
    "ppc64";
#elif defined(ARCH_CPU_LOONGARCH32)
        "loongarch32";
#elif defined(ARCH_CPU_LOONGARCH64)
        "loongarch64";
#elif defined(ARCH_CPU_RISCV64)
        "riscv64";
#else
#error "unknown arch"
#endif

#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
constexpr char kChrome[] = "chrome";
constexpr char kCrx[] = "chromecrx";
constexpr char kWebView[] = "googleandroidwebview";
constexpr char kIOsWebView[] = "googleioswebview";
#else
constexpr char kChrome[] = "chromium";
constexpr char kCrx[] = "chromiumcrx";
constexpr char kWebView[] = "androidwebview";
constexpr char kIOsWebView[] = "ioswebview";
#endif  // BUILDFLAG(GOOGLE_CHROME_BRANDING)

UpdateQueryParamsDelegate* g_delegate = nullptr;

}  // namespace

// static
std::string UpdateQueryParams::Get(ProdId prod) {
  return absl::StrFormat("os=%s&arch=%s&prod=%s%s&acceptformat=crx3,puff", kOs,
                         kArch, GetProdIdString(prod),
                         g_delegate ? g_delegate->GetExtraParams() : "");
}

// static
const char* UpdateQueryParams::GetProdIdString(UpdateQueryParams::ProdId prod) {
  switch (prod) {
    case UpdateQueryParams::CHROME:
      return kChrome;
    case UpdateQueryParams::CRX:
      return kCrx;
    case UpdateQueryParams::WEBVIEW:
      return kWebView;
    case UpdateQueryParams::IOS_WEBVIEW:
      return kIOsWebView;
  }
  return kUnknown;
}

// static
std::string_view UpdateQueryParams::GetOS() {
  return kOs;
}

// static
std::string_view UpdateQueryParams::GetArch() {
  return kArch;
}

// static
std::string UpdateQueryParams::GetProdVersion() {
  return std::string(version_info::GetVersionNumber());
}

// static
void UpdateQueryParams::SetDelegate(UpdateQueryParamsDelegate* delegate) {
  CHECK(!g_delegate || !delegate || (delegate == g_delegate));
  g_delegate = delegate;
}

}  // namespace update_client