// Copyright 2025 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_EXCHANGE_MODEL_CREDENTIAL_IMPORTER_H_
#define IOS_CHROME_BROWSER_CREDENTIAL_EXCHANGE_MODEL_CREDENTIAL_IMPORTER_H_

#import <Foundation/Foundation.h>

#import <vector>

#import "ios/chrome/browser/credential_exchange/model/credential_import_manager_swift.h"

namespace webauthn {
class PasskeyModel;
}  // namespace webauthn

namespace password_manager {
struct ImportResults;
class SavedPasswordsPresenter;
}  // namespace password_manager

@class PasswordImportItem;

// Delegate for CredentialImporter.
@protocol CredentialImporterDelegate <NSObject>

// Displays the initial import screen with counts of received credentials.
- (void)showImportScreenWithPasswordCount:(NSInteger)passwordCount
                             passkeyCount:(NSInteger)passkeyCount;

// Displays the conflict resolution screen with conflicting `passwords`.
- (void)showConflictResolutionScreenWithPasswords:
    (NSArray<PasswordImportItem*>*)passwords;

// Updates the status of the password import in the UI.
- (void)onPasswordsImported:(const password_manager::ImportResults&)results;

// Updates the status of the passkey import in the UI.
- (void)onPasskeysImported:(int)passkeysImported;

// Updates the status of the UI after importing all credential types finished.
- (void)onImportFinished;

@end

// Handles importing credentials using the Credential Exchange Format
// (https://fidoalliance.org/specifications-credential-exchange-specifications).
@interface CredentialImporter : NSObject <CredentialImportManagerDelegate>

- (instancetype)initWithDelegate:(id<CredentialImporterDelegate>)delegate
         savedPasswordsPresenter:
             (password_manager::SavedPasswordsPresenter*)savedPasswordsPresenter
                    passkeyModel:(webauthn::PasskeyModel*)passkeyModel
    NS_DESIGNATED_INITIALIZER;
- (instancetype)init NS_UNAVAILABLE;

// Called when the app is launched to perform credential import. `UUID` is a
// token provided by the OS on app launch, required to receive the credential
// data to be imported.
- (void)prepareImport:(NSUUID*)UUID;

// Called when the user confirms the import. `securityDomainSecrets` is needed
// to encrypt passkeys if there are any to be imported. Triggers initial
// processing of the data for all supported credential types. Processing each
// credential type is handled in a separate async task. Results are analyzed
// once all tasks complete.
- (void)startImportingCredentialsWithSecurityDomainSecrets:
    (NSArray<NSData*>*)securityDomainSecrets;

// Triggers storing data for all supported credential types in the user's
// account. This should be called after conflicts with existing credential data
// stored in the user's account were resolved for all credential types or
// immediately after identifying no conflicts. `selectedPasswordIds` contains
// ids of conflicting passwords that should be imported (if any).
- (void)finishImportWithSelectedPasswordIds:
    (const std::vector<int>&)selectedPasswordIds;

@end

#endif  // IOS_CHROME_BROWSER_CREDENTIAL_EXCHANGE_MODEL_CREDENTIAL_IMPORTER_H_