feat: add dummy cards and support pre-authorized code is jwt

lib/app/shared/constants/image_strings.dart

@@ -74,6 +74,7 @@ class ImageStrings {
       '$imagePath/default_polygon_card.png';
   static const String euDiplomaCard = '$imagePath/eu_diploma_card.png';
   static const String employeeCard = '$imagePath/employee_credential.png';
+  static const String employeeCardDummy = '$imagePath/employee_credential.png';
   static const String defiComplianceCard =
       '$imagePath/defi-compliance-card.png';
   static const String euVerifiableId = '$imagePath/eu_verifiable_id.png';
@@ -141,6 +142,8 @@ class ImageStrings {
       '$imagePath/dummy_arago_identity_card.png';
   static const String dummyAragoEmailPassCard =
       '$imagePath/dummy_arago_email_pass_card.png';
+  static const String dummyEmployeeCard =
+      '$imagePath/dummy_employee_credential.png';
 
   static const String onBoardingFirstImage =
       '$imagePath/onBoardingFirstImage.png';

lib/dashboard/discover/view/discover_details_page.dart

@@ -71,9 +71,8 @@ class DiscoverDetailsView extends StatelessWidget {
                   children: [
                     Padding(
                       padding: const EdgeInsets.all(10),
-                      child: AspectRatio(
-                        aspectRatio: Sizes.credentialAspectRatio,
-                        child: CredentialImage(image: dummyCredential.image!),
+                      child: DummyCredentialImage(
+                        discoverDummyCredential: dummyCredential,
                       ),
                     ),
                     DetailFields(dummyCredential: dummyCredential),

lib/dashboard/discover/widgets/discover_credential_item.dart

@@ -42,7 +42,7 @@ class DiscoverCredentialItem extends StatelessWidget {
           ),
         );
       },
-      child: CredentialImage(image: dummyCredential.image!),
+      child: DummyCredentialImage(discoverDummyCredential: dummyCredential),
     );
   }
 }

lib/dashboard/home/tab_bar/credentials/models/discover_dummy_credential/discover_dummy_credential.dart

@@ -275,6 +275,10 @@ class DiscoverDummyCredential extends Equatable {
         image = ImageStrings.tezosOwnershipCard;
         break;
 
+      case CredentialSubjectType.employeeCredential:
+        image = ImageStrings.dummyEmployeeCard;
+        break;
+
       case CredentialSubjectType.voucher:
       case CredentialSubjectType.selfIssued:
       case CredentialSubjectType.defaultCredential:
@@ -305,7 +309,6 @@ class DiscoverDummyCredential extends Equatable {
       case CredentialSubjectType.kycCountryOfResidence:
       case CredentialSubjectType.proofOfTwitterStats:
       case CredentialSubjectType.civicPassCredential:
-      case CredentialSubjectType.employeeCredential:
     }
 
     return DiscoverDummyCredential(

lib/dashboard/home/tab_bar/credentials/oid4c4vc_pick/oid4c4vc_credential_pick/view/oid4c4vc_credential_pick_page.dart

@@ -101,11 +101,8 @@ class Oidc4vcCredentialPickView extends StatelessWidget {
                       child: Column(
                         children: [
                           if (discoverDummyCredential.image != null) ...[
-                            AspectRatio(
-                              aspectRatio: Sizes.credentialAspectRatio,
-                              child: CredentialImage(
-                                image: discoverDummyCredential.image!,
-                              ),
+                            DummyCredentialImage(
+                              discoverDummyCredential: discoverDummyCredential,
                             ),
                           ] else ...[
                             AspectRatio(

lib/dashboard/home/tab_bar/credentials/widgets/dummy_credential_image.dart

@@ -0,0 +1,60 @@
+import 'package:altme/app/app.dart';
+import 'package:altme/dashboard/dashboard.dart';
+import 'package:altme/theme/theme.dart';
+import 'package:flutter/material.dart';
+
+class DummyCredentialImage extends StatelessWidget {
+  const DummyCredentialImage({
+    required this.discoverDummyCredential,
+    this.aspectRatio = Sizes.credentialAspectRatio,
+    super.key,
+  });
+
+  final DiscoverDummyCredential discoverDummyCredential;
+  final double aspectRatio;
+
+  @override
+  Widget build(BuildContext context) {
+    String? title;
+
+    if (discoverDummyCredential.credentialSubjectType ==
+        CredentialSubjectType.employeeCredential) {
+      title = discoverDummyCredential.credentialSubjectType.title;
+    }
+
+    return CredentialContainer(
+      child: DecoratedBox(
+        decoration: BoxDecoration(
+          image: DecorationImage(
+            fit: BoxFit.fill,
+            image: AssetImage(discoverDummyCredential.image!),
+          ),
+        ),
+        child: AspectRatio(
+          aspectRatio: aspectRatio,
+          child: CustomMultiChildLayout(
+            delegate: CredentialBaseWidgetDelegate(position: Offset.zero),
+            children: [
+              if (title != null)
+                LayoutId(
+                  id: 'title',
+                  child: FractionallySizedBox(
+                    widthFactor: 0.7,
+                    heightFactor: 0.19,
+                    child: Container(
+                      alignment: Alignment.centerLeft,
+                      child: MyText(
+                        title,
+                        style:
+                            Theme.of(context).textTheme.identitiyBaseTitleText,
+                      ),
+                    ),
+                  ),
+                ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/dashboard/home/tab_bar/credentials/widgets/widgets.dart

@@ -21,6 +21,7 @@ export 'display_name_card.dart';
 export 'display_properties_widget.dart';
 export 'display_signature.dart';
 export 'display_title_widget.dart';
+export 'dummy_credential_image.dart';
 export 'labeled_display_mapping_widget.dart';
 export 'list_item.dart';
 export 'skills_list_display.dart';

lib/dashboard/missing_creentials/view/missing_credentials_page.dart

@@ -94,8 +94,9 @@ class MissingCredentialsView extends StatelessWidget {
                   physics: const ScrollPhysics(),
                   shrinkWrap: true,
                   itemBuilder: (context, i) {
-                    final homeCredential = state.dummyCredentials[i];
-                    final credentialType = homeCredential.credentialSubjectType;
+                    final discoverDummyCredential = state.dummyCredentials[i];
+                    final credentialType =
+                        discoverDummyCredential.credentialSubjectType;
                     return Container(
                       margin: const EdgeInsets.only(
                         bottom: 15,
@@ -104,10 +105,8 @@ class MissingCredentialsView extends StatelessWidget {
                       ),
                       child: credentialType.isBlockchainAccount
                           ? credentialType.blockchainWidget
-                          : AspectRatio(
-                              aspectRatio: Sizes.credentialAspectRatio,
-                              child:
-                                  CredentialImage(image: homeCredential.image!),
+                          : DummyCredentialImage(
+                              discoverDummyCredential: discoverDummyCredential,
                             ),
                     );
                   },

lib/dashboard/qr_code/qr_code_scan/cubit/qr_code_scan_cubit.dart

@@ -351,6 +351,7 @@ class QRCodeScanCubit extends Cubit<QRCodeScanState> {
             didKitProvider: didKitProvider,
             qrCodeScanCubit: qrCodeScanCubit,
             secureStorageProvider: getSecureStorage,
+            jwtDecode: jwtDecode,
           );
           return;
         }
@@ -567,6 +568,7 @@ class QRCodeScanCubit extends Cubit<QRCodeScanState> {
             secureStorageProvider: getSecureStorage,
             credentialTypeOrId: credentialTypeOrId.toString(),
             isLastCall: i + 1 == credentials.length,
+            jwtDecode: jwtDecode,
           );
         }
         oidc4vc.resetNonceAndAccessToken();

lib/oidc4vc/initiate_oidv4vc_credential_issuance.dart

@@ -7,6 +7,7 @@ import 'package:altme/oidc4vc/add_oidc4vc_credential.dart';
 import 'package:crypto/crypto.dart';
 import 'package:did_kit/did_kit.dart';
 import 'package:fast_base58/fast_base58.dart';
+import 'package:jwt_decode/jwt_decode.dart';
 import 'package:oidc4vc/oidc4vc.dart';
 import 'package:secure_storage/secure_storage.dart';
 
@@ -17,6 +18,7 @@ Future<void> initiateOIDC4VCCredentialIssuance({
   required DIDKitProvider didKitProvider,
   required CredentialsCubit credentialsCubit,
   required SecureStorageProvider secureStorageProvider,
+  required JWTDecode jwtDecode,
 }) async {
   final Uri uriFromScannedResponse = Uri.parse(scannedResponse);
 
@@ -31,12 +33,6 @@ Future<void> initiateOIDC4VCCredentialIssuance({
       credentialTypeOrId = credentialOfferJson['credentials'];
       break;
     case OIDC4VCType.GAIAX:
-      final credentialOfferJson = jsonDecode(
-        uriFromScannedResponse.queryParameters['credential_offer'].toString(),
-      );
-      credentialTypeOrId = credentialOfferJson['credential_type'];
-
-      break;
     case OIDC4VCType.EBSIV2:
       credentialTypeOrId =
           uriFromScannedResponse.queryParameters['credential_type'];
@@ -60,6 +56,7 @@ Future<void> initiateOIDC4VCCredentialIssuance({
       credentialTypeOrId: credentialTypeOrId.toString(),
       secureStorageProvider: secureStorageProvider,
       isLastCall: true,
+      jwtDecode: jwtDecode,
     );
     oidc4vc.resetNonceAndAccessToken();
     qrCodeScanCubit.goBack();
@@ -75,21 +72,12 @@ Future<void> getAndAddCredential({
   required String credentialTypeOrId,
   required SecureStorageProvider secureStorageProvider,
   required bool isLastCall,
+  required JWTDecode jwtDecode,
 }) async {
   final Uri uriFromScannedResponse = Uri.parse(scannedResponse);
 
   String? preAuthorizedCode;
   late String issuer;
-  late String did;
-  late String kid;
-
-  final mnemonic =
-      await secureStorageProvider.get(SecureStorageKeys.ssiMnemonic);
-
-  final privateKey = await oidc4vc.privateKeyFromMnemonic(
-    mnemonic: mnemonic!,
-    index: oidc4vcType.index,
-  );
 
   switch (oidc4vcType) {
     case OIDC4VCType.DEFAULT:
@@ -102,27 +90,50 @@ Future<void> getAndAddCredential({
               ['pre-authorized_code']
           .toString();
       issuer = credentialOfferJson['credential_issuer'].toString();
-
-      const didMethod = AltMeStrings.defaultDIDMethod;
-      did = didKitProvider.keyToDID(didMethod, privateKey);
-      kid = await didKitProvider.keyToVerificationMethod(didMethod, privateKey);
       break;
     case OIDC4VCType.GAIAX:
-      final credentialOfferJson = jsonDecode(
-        uriFromScannedResponse.queryParameters['credential_offer'].toString(),
-      );
-      preAuthorizedCode = credentialOfferJson['pre-authorized_code'].toString();
-      issuer = credentialOfferJson['issuer'].toString();
+    case OIDC4VCType.EBSIV2:
+      issuer = uriFromScannedResponse.queryParameters['issuer'].toString();
+      preAuthorizedCode =
+          uriFromScannedResponse.queryParameters['pre-authorized_code'];
 
+      break;
+    case OIDC4VCType.EBSIV3:
+    case OIDC4VCType.JWTVC:
+      break;
+  }
+
+  /// if preAuthorizedCode is jwt then parse it
+  if (preAuthorizedCode != null) {
+    final isJwt = jwtDecode.isJWT(preAuthorizedCode);
+    if (isJwt) {
+      final data = jwtDecode.parseJwt(preAuthorizedCode);
+      preAuthorizedCode = data['sub'].toString();
+    }
+  }
+
+  late String did;
+  late String kid;
+
+  final mnemonic =
+      await secureStorageProvider.get(SecureStorageKeys.ssiMnemonic);
+
+  final privateKey = await oidc4vc.privateKeyFromMnemonic(
+    mnemonic: mnemonic!,
+    index: oidc4vcType.index,
+  );
+
+  switch (oidc4vcType) {
+    case OIDC4VCType.DEFAULT:
+    case OIDC4VCType.HEDERA:
+    case OIDC4VCType.GAIAX:
       const didMethod = AltMeStrings.defaultDIDMethod;
       did = didKitProvider.keyToDID(didMethod, privateKey);
       kid = await didKitProvider.keyToVerificationMethod(didMethod, privateKey);
+
       break;
-    case OIDC4VCType.EBSIV2:
-      preAuthorizedCode =
-          uriFromScannedResponse.queryParameters['pre-authorized_code'];
-      issuer = uriFromScannedResponse.queryParameters['issuer'].toString();
 
+    case OIDC4VCType.EBSIV2:
       final private = await oidc4vc.getPrivateKey(mnemonic, privateKey);
 
       final thumbprint = getThumbprint(private);
@@ -148,8 +159,6 @@ Future<void> getAndAddCredential({
       privateKey,
     );
 
-    print(encodedCredentialFromOIDC4VC);
-
     await addOIDC4VCCredential(
       encodedCredentialFromOIDC4VC,
       uriFromScannedResponse,

lib/splash/view/splash_page.dart

@@ -164,6 +164,7 @@ class _SplashViewState extends State<SplashView> {
             didKitProvider: DIDKitProvider(),
             qrCodeScanCubit: context.read<QRCodeScanCubit>(),
             secureStorageProvider: secure_storage.getSecureStorage,
+            jwtDecode: JWTDecode(),
           );
         }
       }

packages/jwt_decode/lib/src/jwt_decode.dart

@@ -4,6 +4,28 @@ import 'dart:convert';
 /// JWT decode package
 /// {@endtemplate}
 class JWTDecode {
+  ///isJWT
+  bool isJWT(String input) {
+    final parts = input.split('.');
+
+    if (parts.length != 3) {
+      return false;
+    }
+
+    try {
+      final payload = _decodeBase64(parts[1]);
+
+      final dynamic payloadMap = json.decode(payload);
+      if (payloadMap is! Map<String, dynamic>) {
+        return false;
+      }
+
+      return true;
+    } catch (e) {
+      return false;
+    }
+  }
+
   ///parseJwt
   Map<String, dynamic> parseJwt(String token) {
     final parts = token.split('.');