libsignal/swift/Sources/LibSignalClient/zkgroup/CreateCallLinkCredentialRequest.swift

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

import Foundation
import SignalFfi

public class CreateCallLinkCredentialRequest: ByteArray {
  public required init(contents: [UInt8]) throws {
    try super.init(contents, checkValid: signal_create_call_link_credential_request_check_valid_contents)
  }

  public func issueCredential(userId: Aci, timestamp: Date, params: GenericServerSecretParams) -> CreateCallLinkCredentialResponse {
    return failOnError {
      issueCredential(userId: userId, timestamp: timestamp, params: params, randomness: try .generate())
    }
  }

  public func issueCredential(userId: Aci, timestamp: Date, params: GenericServerSecretParams, randomness: Randomness) -> CreateCallLinkCredentialResponse {
    return failOnError {
      try withUnsafeBorrowedBuffer { contents in
        try userId.withPointerToFixedWidthBinary { userId in
          try params.withUnsafeBorrowedBuffer { params in
            try randomness.withUnsafePointerToBytes { randomness in
              try invokeFnReturningVariableLengthSerialized {
                signal_create_call_link_credential_request_issue_deterministic($0, contents, userId, UInt64(timestamp.timeIntervalSince1970), params, randomness)
              }
            }
          }
        }
      }
    }
  }
}