// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_SYNC_TEST_INTEGRATION_PASSWORDS_HELPER_H_
#define CHROME_BROWSER_SYNC_TEST_INTEGRATION_PASSWORDS_HELPER_H_

#include <memory>
#include <optional>
#include <string>
#include <vector>

#include "base/memory/raw_ptr.h"
#include "chrome/browser/sync/test/integration/fake_server_match_status_checker.h"
#include "chrome/browser/sync/test/integration/multi_client_status_change_checker.h"
#include "chrome/browser/sync/test/integration/single_client_status_change_checker.h"
#include "chrome/browser/sync/test/integration/sync_test.h"
#include "components/password_manager/core/browser/password_form.h"
#include "components/password_manager/core/browser/password_store/password_store_interface.h"

namespace syncer {
class Cryptographer;
class KeyDerivationParams;
class SyncServiceImpl;
}  // namespace syncer

namespace password_manager {
class PasswordStoreInterface;
}

namespace passwords_helper {

// Returns all logins from |store|. Note that it uses RunLoop to wait for async
// results and should be avoided in StatusChangeChecker.
std::vector<std::unique_ptr<password_manager::PasswordForm>> GetLogins(
    password_manager::PasswordStoreInterface* store);

// Returns all logins from |store| (including blocklisted ones).
std::vector<std::unique_ptr<password_manager::PasswordForm>> GetAllLogins(
    password_manager::PasswordStoreInterface* store);

// Removes all password forms from the password store |store|. This is an async
// method that return immediately and does *not* block until the operation is
// finished on the background thread.
void RemoveLogins(password_manager::PasswordStoreInterface* store);

// Gets the profile password store of the profile with index |index|.
password_manager::PasswordStoreInterface* GetProfilePasswordStoreInterface(
    int index);

// Gets the account-scoped password store of the profile with index |index|.
password_manager::PasswordStoreInterface* GetAccountPasswordStoreInterface(
    int index);

// Gets either the profile-scoped or the account-scoped password store of the
// profile with index |index|.
password_manager::PasswordStoreInterface* GetPasswordStoreInterface(
    int index,
    password_manager::PasswordForm::Store store);

// Returns true iff the profile with index |index_a| contains the same
// password forms as the profile with index |index_b|.
bool ProfilesContainSamePasswordForms(
    int index_a,
    int index_b,
    password_manager::PasswordForm::Store store);

// Returns true iff all profiles contain the same password forms.
bool AllProfilesContainSamePasswordForms(
    password_manager::PasswordForm::Store store);

// Returns the number of forms in the password store of the profile with index
// |index|.
int GetPasswordCount(int index, password_manager::PasswordForm::Store store);

// Creates a test password form with a well known fake signon realm based on
// |index|.
password_manager::PasswordForm CreateTestPasswordForm(
    int index,
    password_manager::PasswordForm::Store store);

// Injects the password entity based on given |form| and encrypted with key
// derived from |key_derivation_params| into |fake_server|.
// For Keystore encryption, the |encryption_passphrase| is the base64 encoding
// of FakeServer::GetKeystoreKeys().back().
void InjectEncryptedServerPassword(
    const password_manager::PasswordForm& form,
    const std::string& encryption_passphrase,
    const syncer::KeyDerivationParams& key_derivation_params,
    fake_server::FakeServer* fake_server);
// As above, but takes a PasswordSpecificsData instead of a PasswordForm.
void InjectEncryptedServerPassword(
    const sync_pb::PasswordSpecificsData& password_data,
    const std::string& encryption_passphrase,
    const syncer::KeyDerivationParams& key_derivation_params,
    fake_server::FakeServer* fake_server);
// As above, but using standard Keystore encryption.
void InjectKeystoreEncryptedServerPassword(
    const password_manager::PasswordForm& form,
    fake_server::FakeServer* fake_server);
// As above, but using standard Keystore encryption and PasswordSpecificsData.
void InjectKeystoreEncryptedServerPassword(
    const sync_pb::PasswordSpecificsData& password_data,
    fake_server::FakeServer* fake_server);

}  // namespace passwords_helper

// Checker to wait until the PASSWORDS datatype becomes active.
class PasswordSyncActiveChecker : public SingleClientStatusChangeChecker {
 public:
  explicit PasswordSyncActiveChecker(syncer::SyncServiceImpl* service);
  ~PasswordSyncActiveChecker() override;

  // StatusChangeChecker implementation.
  bool IsExitConditionSatisfied(std::ostream* os) override;
};

// Checker to wait until the PASSWORDS datatype becomes inactive.
class PasswordSyncInactiveChecker : public SingleClientStatusChangeChecker {
 public:
  explicit PasswordSyncInactiveChecker(syncer::SyncServiceImpl* service);
  ~PasswordSyncInactiveChecker() override;

  // StatusChangeChecker implementation.
  bool IsExitConditionSatisfied(std::ostream* os) override;
};

// TODO(crbug.com/40651154): avoid re-entrance protection in checkers below or
// factor it out to not duplicate in every checker.
// Checker to block until all profiles contain the same password forms.
class SamePasswordFormsChecker : public MultiClientStatusChangeChecker {
 public:
  explicit SamePasswordFormsChecker(
      password_manager::PasswordForm::Store store);
  ~SamePasswordFormsChecker() override;
  // StatusChangeChecker implementation.
  bool IsExitConditionSatisfied(std::ostream* os) override;

 private:
  const password_manager::PasswordForm::Store store_;
  bool in_progress_ = false;
  bool needs_recheck_ = false;
};

// Checker to block until specified profile contains the given password forms.
class PasswordFormsChecker : public SingleClientStatusChangeChecker {
 public:
  PasswordFormsChecker(
      int index,
      const std::vector<password_manager::PasswordForm>& expected_forms,
      password_manager::PasswordForm::Store store);
  ~PasswordFormsChecker() override;

  // StatusChangeChecker implementation.
  bool IsExitConditionSatisfied(std::ostream* os) override;

 private:
  bool IsExitConditionSatisfiedImpl(std::ostream* os);

  const int index_;
  const password_manager::PasswordForm::Store store_;
  std::vector<std::unique_ptr<password_manager::PasswordForm>> expected_forms_;
  bool in_progress_ = false;
  bool needs_recheck_ = false;
};

// Checker to block until server has the given password forms encrypted with
// given encryption params.
class ServerPasswordsEqualityChecker
    : public fake_server::FakeServerMatchStatusChecker {
 public:
  ServerPasswordsEqualityChecker(
      const std::vector<password_manager::PasswordForm>& expected_forms,
      const std::string& encryption_passphrase,
      const syncer::KeyDerivationParams& key_derivation_params);
  ~ServerPasswordsEqualityChecker() override;

  // StatusChangeChecker implementation.
  bool IsExitConditionSatisfied(std::ostream* os) override;

 private:
  const std::unique_ptr<syncer::Cryptographer> cryptographer_;

  std::vector<std::unique_ptr<password_manager::PasswordForm>> expected_forms_;
};

// Waits for the `expected_new_password_forms` of newly added passwords to the
// `password_store`. Note that this object should be created before any changes
// to the store to prevent test flakiness.
class PasswordFormsAddedChecker
    : public StatusChangeChecker,
      public password_manager::PasswordStoreInterface::Observer {
 public:
  PasswordFormsAddedChecker(
      password_manager::PasswordStoreInterface* password_store,
      size_t expected_new_password_forms);
  ~PasswordFormsAddedChecker() override;

  // StatusChangeChecker implementation.
  bool IsExitConditionSatisfied(std::ostream* os) override;

  // PasswordStoreInterface::Observer implementation.
  void OnLoginsChanged(
      password_manager::PasswordStoreInterface* store,
      const password_manager::PasswordStoreChangeList& changes) override;
  void OnLoginsRetained(password_manager::PasswordStoreInterface* store,
                        const std::vector<password_manager::StoredCredential>&
                            retained_passwords) override;

 private:
  const raw_ptr<password_manager::PasswordStoreInterface> password_store_;
  const size_t expected_new_password_forms_;

  size_t num_added_passwords_ = 0;
};

#endif  // CHROME_BROWSER_SYNC_TEST_INTEGRATION_PASSWORDS_HELPER_H_