// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#import "ios/net/cookies/cookie_store_ios_test_util.h"

#import <Foundation/Foundation.h>

#import <memory>

#import "base/functional/bind.h"
#import "base/functional/callback_helpers.h"
#import "base/run_loop.h"
#import "base/task/sequenced_task_runner.h"
#import "base/task/single_thread_task_runner.h"
#import "base/test/test_simple_task_runner.h"
#import "ios/net/cookies/cookie_store_ios.h"
#import "net/cookies/canonical_cookie.h"
#import "net/cookies/cookie_options.h"
#import "testing/gtest/include/gtest/gtest.h"

namespace net {

#pragma mark -
#pragma mark TestPersistentCookieStore

TestPersistentCookieStore::TestPersistentCookieStore()
    : kTestCookieURL("http://foo.google.com/bar"), flushed_(false) {}

TestPersistentCookieStore::~TestPersistentCookieStore() = default;

#pragma mark -
#pragma mark TestPersistentCookieStore methods

void TestPersistentCookieStore::RunLoadedCallback() {
  std::vector<std::unique_ptr<net::CanonicalCookie>> cookies;
  std::unique_ptr<net::CanonicalCookie> cookie(
      net::CanonicalCookie::CreateForTesting(kTestCookieURL, "a=b",
                                             base::Time::Now(),
                                             net::CookieSourceType::kOther));
  cookies.push_back(std::move(cookie));

  std::unique_ptr<net::CanonicalCookie> bad_canonical_cookie =
      net::CanonicalCookie::CreateUnsafeCookieForTesting(
          "name", "\x81r\xe4\xbd\xa0\xe5\xa5\xbd", "domain", "/path/",
          base::Time(),  // creation
          base::Time(),  // expires
          base::Time(),  // last accessed
          base::Time(),  // last updated
          false,         // secure
          false,         // httponly
          net::CookieSameSite::NO_RESTRICTION, net::COOKIE_PRIORITY_DEFAULT,
          net::CookieSourceType::kOther);
  cookies.push_back(std::move(bad_canonical_cookie));
  std::move(loaded_callback_).Run(std::move(cookies));
}

bool TestPersistentCookieStore::flushed() {
  return flushed_;
}

#pragma mark -
#pragma mark Private methods

void TestPersistentCookieStore::Load(LoadedCallback loaded_callback,
                                     const NetLogWithSource& /* net_log */) {
  loaded_callback_ = std::move(loaded_callback);
}

void TestPersistentCookieStore::LoadCookiesForKey(
    const std::string& key,
    LoadedCallback loaded_callback) {
  loaded_callback_ = std::move(loaded_callback);
}

void TestPersistentCookieStore::AddCookie(const net::CanonicalCookie& cc) {}

void TestPersistentCookieStore::UpdateCookieAccessTime(
    const net::CanonicalCookie& cc) {}

void TestPersistentCookieStore::DeleteCookie(const net::CanonicalCookie& cc) {}

void TestPersistentCookieStore::SetForceKeepSessionState() {}

void TestPersistentCookieStore::SetBeforeCommitCallback(
    base::RepeatingClosure callback) {}

void TestPersistentCookieStore::Flush(base::OnceClosure callback) {
  flushed_ = true;
}

#pragma mark -
#pragma mark TestCookieStoreIOSClient

TestCookieStoreIOSClient::TestCookieStoreIOSClient() {}

#pragma mark -
#pragma mark TestCookieStoreIOSClient methods

scoped_refptr<base::SequencedTaskRunner>
TestCookieStoreIOSClient::GetTaskRunner() const {
  return base::SingleThreadTaskRunner::GetCurrentDefault();
}

#pragma mark -
#pragma mark ScopedTestingCookieStoreIOSClient

ScopedTestingCookieStoreIOSClient::ScopedTestingCookieStoreIOSClient(
    std::unique_ptr<CookieStoreIOSClient> cookie_store_client)
    : cookie_store_client_(std::move(cookie_store_client)),
      original_client_(GetCookieStoreIOSClient()) {
  SetCookieStoreIOSClient(cookie_store_client_.get());
}

ScopedTestingCookieStoreIOSClient::~ScopedTestingCookieStoreIOSClient() {
  SetCookieStoreIOSClient(original_client_);
}

//------------------------------------------------------------------------------

void RecordCookieChanges(std::vector<net::CanonicalCookie>* out_cookies,
                         std::vector<bool>* out_removes,
                         const net::CookieChangeInfo& change) {
  DCHECK(out_cookies);
  out_cookies->push_back(change.cookie);
  if (out_removes) {
    out_removes->push_back(net::CookieChangeCauseIsDeletion(change.cause));
  }
}

void SetCookie(const std::string& cookie_line,
               const GURL& url,
               net::CookieStore* store) {
  net::CookieOptions options;
  options.set_include_httponly();
  auto canonical_cookie = net::CanonicalCookie::CreateForTesting(
      url, cookie_line, base::Time::Now(), net::CookieSourceType::kOther);
  ASSERT_TRUE(canonical_cookie);
  store->SetCanonicalCookieAsync(std::move(canonical_cookie), url, options,
                                 base::DoNothing(),
                                 /*cookie_access_result=*/std::nullopt);
  net::CookieStoreIOS::NotifySystemCookiesChanged();
  // Wait until the flush is posted.
  base::RunLoop().RunUntilIdle();
}

void ClearCookies() {
  NSHTTPCookieStorage* store = [NSHTTPCookieStorage sharedHTTPCookieStorage];
  [store setCookieAcceptPolicy:NSHTTPCookieAcceptPolicyAlways];
  NSArray* cookies = [store cookies];
  for (NSHTTPCookie* cookie in cookies) {
    [store deleteCookie:cookie];
  }
  EXPECT_EQ(0u, [[store cookies] count]);
}

}  // namespace net