import Foundation

enum MockResponseType: String {
    case loginSuccess = "login_success"
    case loginWrongCredentials = "login_wrong_credentials"
    case
}

class MockURLProtocol: URLProtocol {
    
    static var responseType: MockResponseType?
  
    override class func canInit(with request: URLRequest) -> Bool {
        // To check if this protocol can handle the given request.
        return true
    }

    override class func canonicalRequest(for request: URLRequest) -> URLRequest {
        // Here you return the canonical version of the request but most of the time you pass the orignal one.
        return request
    }

    override func startLoading() {
        
        guard let respType = MockURLProtocol.responseType else { return }
        guard let jsonUrl = Bundle(for: type(of: self)).url(forResource: respType.rawValue, withExtension: "json") else { return }
        guard let response = HTTPURLResponse(url: jsonUrl, statusCode: 200, httpVersion: "HTTP/2", headerFields: [:]) else { return }
        
        let data = try? Data(contentsOf: jsonUrl)
        
        client?.urlProtocol(self, didReceive: response, cacheStoragePolicy: .notAllowed)

        if let data = data {
          client?.urlProtocol(self, didLoad: data)
        }

        client?.urlProtocolDidFinishLoading(self)

        //client?.urlProtocol(self, didFailWithError: error)
    }

    override func stopLoading() {
      // This is called if the request gets canceled or completed.
      print("")
    }
}