//
//  RequestDispatchable.swift
//  OpenCastSwift Mac
//
//  Created by Miles Hollingsworth on 4/22/18
//  Copyright © 2018 Miles Hollingsworth. All rights reserved.
//

import Foundation

protocol RequestDispatchable: AnyObject {
  func nextRequestId() -> Int

  func request(withNamespace namespace: String, destinationId: String, payload: [String: Any]) -> CastRequest
  func request(withNamespace namespace: String, destinationId: String, payload: Data) -> CastRequest

  func send(_ request: CastRequest, response: CastResponseHandler?)
}

extension RequestDispatchable {
  func request(withNamespace namespace: String, destinationId: String, payload: [String: Any]) -> CastRequest {
    var payload = payload
    let requestId = nextRequestId()
    payload[CastJSONPayloadKeys.requestId] = requestId

    return  CastRequest(id: requestId,
                        namespace: namespace,
                        destinationId: destinationId,
                        payload: payload)
  }

  func request(withNamespace namespace: String, destinationId: String, payload: Data) -> CastRequest {
    return  CastRequest(id: nextRequestId(),
                        namespace: namespace,
                        destinationId: destinationId,
                        payload: payload)
  }
}