// Import classes:
import com.telstra.ApiClient;
import com.telstra.ApiException;
import com.telstra.Configuration;
import com.telstra.auth.*;
import com.telstra.messaging.*;

public class Example {
  public static void main(String[] args) {
    // Configure API base path
    ApiClient defaultClient = Configuration.getDefaultApiClient();
    defaultClient.setBasePath("https://tapi.telstra.com/v2");

    // Configure OAuth2 access token for authorization
    OAuth auth = (OAuth) defaultClient.getAuthentication("auth");
    AuthenticationApi authenticationApi = new AuthenticationApi(defaultClient);
    String clientId = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
    String clientSecret = "xxxxxxxxxxxxxxxx";
    String grantType = "client_credentials";
    String scope = "NSMS";
    try {
      OAuthResponse oAuthResponse = authenticationApi.authToken(clientId, clientSecret, grantType, scope);
      auth.setAccessToken(oAuthResponse.getAccessToken());
    } catch (ApiException e) {
      System.err.println("Exception when calling AuthenticationApi#authToken");
      System.err.println("Status code: " + e.getCode());
      System.err.println("Reason: " + e.getResponseBody());
      System.err.println("Response headers: " + e.getResponseHeaders());
      e.printStackTrace();
    }

    // Configure phone number subscription
    ProvisioningApi provisioningApiInstance = new ProvisioningApi(defaultClient);
    try {
      ProvisionNumberRequest provisionNumberRequest = new ProvisionNumberRequest();
      ProvisionNumberResponse result = provisioningApiInstance.createSubscription(provisionNumberRequest);
      System.out.println(result);
    } catch (ApiException e) {
      System.err.println("Exception when calling ProvisioningApi#createSubscription");
      System.err.println("Status code: " + e.getCode());
      System.err.println("Reason: " + e.getResponseBody());
      System.err.println("Response headers: " + e.getResponseHeaders());
      e.printStackTrace();
    }

    // Send SMS
    MessagingApi msgingApiInstance = new MessagingApi(defaultClient);
    try {
      SendSMSRequest sendSmsRequest = new SendSMSRequest();
      sendSmsRequest.to("+61xxxxxxxxx");
      sendSmsRequest.body("Hello from Java!");
      MessageSentResponseSms result = msgingApiInstance.sendSMS(sendSmsRequest);
      System.out.println(result);
    } catch (ApiException e) {
      System.err.println("Exception when calling MessagingApi#sendSMS");
      System.err.println("Status code: " + e.getCode());
      System.err.println("Reason: " + e.getResponseBody());
      System.err.println("Response headers: " + e.getResponseHeaders());
      e.printStackTrace();
    }
  }
}