// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef IOS_CHROME_BROWSER_CREDENTIAL_PROVIDER_MODEL_CREDENTIAL_PROVIDER_MIGRATOR_H_
#define IOS_CHROME_BROWSER_CREDENTIAL_PROVIDER_MODEL_CREDENTIAL_PROVIDER_MIGRATOR_H_

#import <Foundation/Foundation.h>

#include "components/password_manager/core/browser/password_store/password_store_interface.h"

namespace webauthn {
class PasskeyModel;
}  // namespace webauthn

// Values of the UMA Passkeys.IOSMigration histogram. These values are persisted
// to logs. Entries should not be renumbered and numeric values should never be
// reused.
enum class PasskeysMigrationStatus {
  // New passkey from the CPE migrated to Chrome.
  kPasskeyCreated = 0,
  // Existing passkey used by the CPE updated in Chrome.
  kPasskeyUpdated = 1,
  // An invalid passkey was sent from the CPE.
  kInvalidPasskey = 2,
  kMaxValue = kInvalidPasskey
};

// Error domain for credential provider migration errors.
extern NSErrorDomain const kCredentialProviderMigratorErrorDomain;

// Possible error codes in case of migration failure.
typedef enum : NSInteger {
  kCredentialProviderMigratorErrorAlreadyRunning,
} CredentialProviderMigratorErrors;

@interface CredentialProviderMigrator : NSObject
- (instancetype)
    initWithUserDefaults:(NSUserDefaults*)userDefaults
                     key:(NSString*)key
                    gaia:(NSString*)gaiaID
           passwordStore:
               (scoped_refptr<password_manager::PasswordStoreInterface>)
                   passwordStore
            passkeyStore:(webauthn::PasskeyModel*)passkeyStore;
- (instancetype)init NS_UNAVAILABLE;

// Starts migration from the temporal store to the password store. `completion`
// is called with any error that could have happened. Migration happens in a
// background thread.
- (void)startMigrationWithCompletion:(void (^)(BOOL success,
                                               NSError* error))completion;

@end

#endif  // IOS_CHROME_BROWSER_CREDENTIAL_PROVIDER_MODEL_CREDENTIAL_PROVIDER_MIGRATOR_H_