updated libs, fixed transaction form

lib/clients/storage/json_storage_client.dart

@@ -20,11 +20,17 @@ class JsonStorageClient {
   }
 
   Future<File> _getJson(String filename) async {
-    final dir = await getApplicationDocumentsDirectory();
-    final file = File('${dir.path}/$filename'); 
-    if (!file.existsSync()) {
-      file.createSync();
+    final rootDirectory = Platform.isAndroid ? await getExternalStorageDirectory() : await getApplicationDocumentsDirectory();
+
+    final appDirectory = Directory('${rootDirectory!.path}/krezus');
+    if (!appDirectory.existsSync()) {
+      appDirectory.createSync();
     }
-    return file;
+
+    final targetFile = File('${rootDirectory.path}/krezus/$filename'); 
+    if (!targetFile.existsSync()) {
+      targetFile.createSync();
+    }
+    return targetFile;
   }
 }

lib/domains/account/account_bloc.dart

@@ -75,7 +75,7 @@ class AccountBloc extends Bloc<AccountEvent, AccountState> {
   }
 
   _onAccountImportCSV(AccountImportCSV event, Emitter<AccountState> emit) async {
-    int colorIndex = 0;
+    // int colorIndex = 0;
     FilePickerResult? result = await FilePicker.platform.pickFiles();
 
     final csvPath = result?.files.first.path;
@@ -172,7 +172,7 @@ class AccountBloc extends Bloc<AccountEvent, AccountState> {
   }
 
   _onAccountEditLabel(AccountEditLabel event, Emitter<AccountState> emit) {
-    Account account = event.account;
+    // Account account = event.account;
     // TODO check for existance, rename every transaction
   }
 

lib/domains/transaction/transaction_bloc.dart

@@ -167,11 +167,11 @@ class TransactionBloc extends Bloc<TransactionEvent, TransactionState> {
       
       emit(state.copyWith(
         currentTransaction: null,
-        transactionDate: const TransactionDate.pure(),
-        transactionCategory: const TransactionCategory.pure(),
-        transactionDescription: const TransactionDescription.pure(),
-        transactionAccount: const TransactionAccount.pure(),
-        transactionValue: const TransactionValue.pure(),
+        // transactionDate: const TransactionDate.pure(),
+        // transactionCategory: const TransactionCategory.pure(),
+        // transactionDescription: const TransactionDescription.pure(),
+        // transactionAccount: const TransactionAccount.pure(),
+        // transactionValue: const TransactionValue.pure(),
         transactions: transactions,
         transactionsLines: computeResult.list,
         transactionsLinesFiltered: _applyCategoryFilter(computeResult.list),

lib/pages/stats/widgets/global_total_chart.dart

@@ -29,7 +29,7 @@ class GlobalTotalChart extends StatelessWidget {
               lineTouchData: LineTouchData(
                 touchTooltipData: LineTouchTooltipData(
                   maxContentWidth: 100,
-                  tooltipBgColor: Theme.of(context).colorScheme.primaryContainer,
+                  getTooltipColor: (LineBarSpot _) => Theme.of(context).colorScheme.primaryContainer,
                   getTooltipItems: (touchedSpots) {
                     return touchedSpots.map((LineBarSpot touchedSpot) {
                       final textStyle = TextStyle(

lib/pages/stats/widgets/monthly_categories_total_chart.dart

@@ -94,7 +94,8 @@ class MonthlyCategoriesTotalChart extends StatelessWidget {
                   enabled: true,
                   handleBuiltInTouches: false,
                   touchTooltipData: BarTouchTooltipData(
-                    tooltipBgColor: Colors.transparent,
+                    // tooltipBgColor: Colors.transparent,
+                    getTooltipColor: (BarChartGroupData _) => Colors.transparent,
                     tooltipMargin: 0,
                     getTooltipItem:(group, groupIndex, rod, rodIndex) {
                       String value = NumberFormat("#00").format(rod.toY);

lib/pages/transactions/widgets/transaction_form.dart

@@ -37,8 +37,11 @@ class _TransactionDateInput extends StatelessWidget {
       builder: (context, state) => SizedBox(
         width: 500,
         child: TextFormField(
-          initialValue: DateFormat('dd-MM-yyyy', 'fr_FR').format(state.transactionDate.value ?? DateTime.now()),
           keyboardType: TextInputType.datetime,
+          readOnly: true,
+          controller: TextEditingController(
+            text: DateFormat('dd-MM-yyyy', 'fr_FR').format(state.transactionDate.value ?? DateTime.now()),
+          ),
           onTap: () {
             FocusScope.of(context).requestFocus(FocusNode());
             showDatePicker(