libsignal/swift/Sources/LibSignalClient/zkgroup/CallLinkSecretParams.swift

//
// Copyright 2023 Signal Messenger, LLC.
// SPDX-License-Identifier: AGPL-3.0-only
//

import Foundation
import SignalFfi

public class CallLinkSecretParams: ByteArray, @unchecked Sendable {
    public static func deriveFromRootKey<RootKey: ContiguousBytes>(_ rootKey: RootKey) -> CallLinkSecretParams {
        return failOnError {
            try rootKey.withUnsafeBorrowedBuffer { rootKey in
                try invokeFnReturningVariableLengthSerialized {
                    signal_call_link_secret_params_derive_from_root_key($0, rootKey)
                }
            }
        }
    }

    public required init(contents: Data) throws {
        try super.init(contents, checkValid: signal_call_link_secret_params_check_valid_contents)
    }

    public func getPublicParams() -> CallLinkPublicParams {
        return failOnError {
            try withUnsafeBorrowedBuffer { contents in
                try invokeFnReturningVariableLengthSerialized {
                    signal_call_link_secret_params_get_public_params($0, contents)
                }
            }
        }
    }

    public func decrypt(_ ciphertext: UuidCiphertext) throws -> Aci {
        return try withAllBorrowed(self, .fixed(ciphertext)) { contents, ciphertext in
            try invokeFnReturningServiceId {
                signal_call_link_secret_params_decrypt_user_id($0, contents, ciphertext)
            }
        }
    }
}