RestlikeRequest.swift

import Bindings
import XCTestDynamicOverlay

public struct RestlikeRequest {
  public var run: (Bool, Int, Int, RestlikeMessage, Data) throws -> RestlikeMessage

  public func callAsFunction(
    authenticated: Bool,
    clientId: Int,
    connectionId: Int,
    request: RestlikeMessage,
    e2eParams: Data
  ) throws -> RestlikeMessage {
    try run(authenticated, clientId, connectionId, request, e2eParams)
  }
}

extension RestlikeRequest {
  public static let live = RestlikeRequest {
    authenticated, clientId, connectionId, request, e2eParams in

    let requestData = try request.encode()
    var error: NSError?
    let responseData: Data?
    if authenticated {
      responseData = BindingsRestlikeRequest(
        clientId,
        connectionId,
        requestData,
        e2eParams,
        &error
      )
    } else {
      responseData = BindingsRestlikeRequestAuth(
        clientId,
        connectionId,
        requestData,
        e2eParams,
        &error
      )
    }
    if let error = error {
      throw error
    }
    guard let responseData = responseData else {
      let functionName = "BindingsRestlikeRequest\(authenticated ? "Auth" : "")"
      fatalError("\(functionName) returned `nil` without providing error")
    }
    return try RestlikeMessage.decode(responseData)
  }
}

extension RestlikeRequest {
  public static let unimplemented = RestlikeRequest(
    run: XCTUnimplemented("\(Self.self)")
  )
}