# SumSub Flutter Plugin

import 'package:flutter_idensic_mobile_sdk_plugin/flutter_idensic_mobile_sdk_plugin.dart';

void launchSNSMobileSDK() async {

  final String apiUrl = "https://test-api.sumsub.com"; // https://api.sumsub.com
  final String flowName = "msdk-basic-kyc"; // or set up your own with the dashboard
  final String accessToken = "your_access_token"; // generate one on the backend

  final onTokenExpiration = () async {
    // call your backend to fetch a new access token (this is just an example)
    return Future<String>.delayed(Duration(seconds: 2), () => "new_access_token");
  };

  final SNSStatusChangedHandler onStatusChanged = (SNSMobileSDKStatus newStatus, SNSMobileSDKStatus prevStatus) {
    print("The SDK status was changed: $prevStatus -> $newStatus");
  };

  final snsMobileSDK = SNSMobileSDK.builder(apiUrl, flowName)
    .withAccessToken(accessToken, onTokenExpiration)
    .withHandlers(onStatusChanged: onStatusChanged)
    .withDebug(true)
    .withSupportEmail("[email protected]")
    .withLocale(Locale("en")) // Optional, for cases when you need to override system locale
    .build();

  final SNSMobileSDKResult result = await snsMobileSDK.launch();

  print("Completed with result: $result");
}

SNSMobileSDKResult(
  success: false,
  status: SNSMobileSDKStatus.Failed,
  errorType: SNSMobileSDKErrorType.Unauthorized,
  errorMsg: "Unauthorized access with accessToken=[your access token]",
  actionResult: null
)

body: Center(
  child: Column(
    mainAxisAlignment: MainAxisAlignment.center,
    children: <Widget>[
...
      Container(
        alignment: Alignment.center,
        child: RaisedButton(onPressed: () => launchSNSMobileSDK(),
        child: Text("Launch SumSub SDK")),
      ),
...
    ],
  ),
),

snsMobileSDK.dismiss()

final SNSEventHandler onEvent = (SNSMobileSDKEvent event) {
  print("onEvent: $event");
};

final snsMobileSDK = SNSMobileSDK.builder(apiUrl, flowName)
  .withHandlers(
    onEvent: onEvent
  )

SNSMobileSDKEvent(
  eventType: "StepInitiated",
  payload: {
    "idDocSetType": "IDENTITY"
  }
)

SNSMobileSDKResult(
  success: true, 
  status: SNSMobileSDKStatus.ActionCompleted, 
  errorType: null, 
  errorMsg: null, 
  actionResult: SNSMobileSDKActionResult(
    actionId: "5f9186b8aee05c5fa1ae11bb", 
    answer: SNSMobileSDKAnswerType.Green
  )
)

final SNSActionResultHandler onActionResult = (SNSMobileSDKActionResult result) {
  print("onActionResult: $result");

  // you must return a `Future` that in turn should be completed with a value of `SNSActionResultHandlerReaction` type
  // you could pass `.Cancel` to force the user interface to close, or `.Continue` to proceed as usual
  return Future.value(SNSActionResultHandlerReaction.Continue);
};

final snsMobileSDK = SNSMobileSDK.builder(apiUrl, flowName)
  .withHandlers(
    onActionResult: onActionResult
  )