// Copyright 2019 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/signin/public/identity_manager/test_accounts.h"

#include <optional>
#include <string>
#include <string_view>

#include "base/files/file_path.h"
#include "base/json/json_file_value_serializer.h"
#include "base/json/json_reader.h"
#include "build/build_config.h"

namespace signin {

#if BUILDFLAG(IS_WIN)
const char kPlatform[] = "win";
#elif BUILDFLAG(IS_MAC)
const char kPlatform[] = "mac";
#elif BUILDFLAG(IS_CHROMEOS)
const char kPlatform[] = "chromeos";
#elif BUILDFLAG(IS_LINUX)
const char kPlatform[] = "linux";
#elif BUILDFLAG(IS_ANDROID)
const char kPlatform[] = "android";
#elif BUILDFLAG(IS_FUCHSIA)
const char kPlatform[] = "fuchsia";
#elif BUILDFLAG(IS_IOS)
const char kPlatform[] = "ios";
#else
const char kPlatform[] = "all_platform";
#endif

TestAccountsConfig::TestAccountsConfig() = default;
TestAccountsConfig::~TestAccountsConfig() = default;

bool TestAccountsConfig::Init(const base::FilePath& config_path) {
  int error_code = 0;
  std::string error_str;
  JSONFileValueDeserializer deserializer(config_path);
  std::unique_ptr<base::Value> content_json =
      deserializer.Deserialize(&error_code, &error_str);
  CHECK(error_code == 0) << "Error reading json file at " << config_path
                         << ". Error code: " << error_code << " " << error_str;
  CHECK(content_json);

  // Only store platform specific users. If an account does not have
  // platform specific user, try to use all_platform user.
  for (auto [account_name, content] : content_json->GetDict()) {
    const base::DictValue& content_dict = content.GetDict();
    const base::DictValue* platform_account = content_dict.FindDict(kPlatform);
    if (!platform_account) {
      platform_account = content_dict.FindDict("all_platform");
      if (!platform_account) {
        continue;
      }
    }
    TestAccountSigninCredentials credentials{
        .user = *(platform_account->FindString("user")),
        .password = *(platform_account->FindString("password"))};
    all_accounts_.insert({account_name, credentials});
  }
  return true;
}

std::optional<TestAccountSigninCredentials> TestAccountsConfig::GetAccount(
    std::string_view name) const {
  auto it = all_accounts_.find(name);
  if (it == all_accounts_.end()) {
    return std::nullopt;
  }
  return it->second;
}

}  // namespace signin