feat: Enhance TXT export readability with label:value format

Author: mulikruchi07

lib/app/models/storage/savefile.dart

@@ -1,5 +1,6 @@
 import 'dart:io';
 import 'dart:typed_data';
+import 'dart:convert';
 import 'package:file_selector/file_selector.dart';
 import 'package:file_picker_writable/file_picker_writable.dart';
 
@@ -22,6 +23,137 @@ Future<void> saveServerCert(String contents) async {
   }
 }
 
+String formatDateValue(dynamic val) {
+  if (val == null) return '-';
+
+  try {
+    final dt = DateTime.parse(val.toString()).toLocal();
+    return '${dt.year.toString().padLeft(4, '0')}-'
+        '${dt.month.toString().padLeft(2, '0')}-'
+        '${dt.day.toString().padLeft(2, '0')} '
+        '${dt.hour.toString().padLeft(2, '0')}:'
+        '${dt.minute.toString().padLeft(2, '0')}:'
+        '${dt.second.toString().padLeft(2, '0')}';
+  } catch (_) {
+    return val.toString(); // fallback
+  }
+}
+
+String formatTasksAsTxt(String contents) {
+  Map<String, String> labelMap = {
+    'description': 'Description',
+    'status': 'Status',
+    'due': 'Due',
+    'project': 'Project',
+    'priority': 'Priority',
+    'uuid': 'UUID',
+    'tags': 'Tags',
+    'depends': 'Depends',
+    'annotations': 'Annotations',
+    'entry': 'Entry',
+    'modified': 'Modified',
+    'start': 'Start',
+    'wait': 'Wait',
+    'recur': 'Recur',
+    'rtype': 'RType',
+    'urgency': 'Urgency',
+    'end': 'End',
+    'id': 'ID'
+  };
+
+  String formatTaskMap(Map m) {
+    final entryVal = m['entry'];
+    final startVal = m['start'];
+
+    List<String> order = [
+      'id',
+      'description',
+      'status',
+      'project',
+      'due',
+      'priority',
+      'uuid',
+      'entry',
+      'modified',
+      'start',
+      'wait',
+      'recur',
+      'rtype',
+      'urgency',
+      'end',
+      'tags',
+      'depends',
+      'annotations'
+    ];
+    List<String> lines = [];
+    for (var key in order) {
+      if (!m.containsKey(key) || m[key] == null) continue;
+      if (key == 'start' &&
+          startVal != null &&
+          entryVal != null &&
+          startVal.toString() == entryVal.toString()) {
+        continue;
+      }
+
+      var val = m[key];
+      if (key == 'tags' || key == 'depends') {
+        if (val is List) {
+          lines.add('${labelMap[key]}: ${val.join(', ')}');
+        } else {
+          lines.add('${labelMap[key]}: $val');
+        }
+      } else if (key == 'annotations') {
+        if (val is List && val.isNotEmpty) {
+          lines.add('${labelMap[key]}:');
+          for (var a in val) {
+            if (a is Map) {
+              var entry = a['entry'] ?? '';
+              var desc = a['description'] ?? '';
+              lines.add('  - ${labelMap['entry']}: $entry');
+              lines.add('    Description: $desc');
+            } else {
+              lines.add('  - $a');
+            }
+          }
+        }
+      } else {
+        final isDateField =
+            ['due', 'entry', 'modified', 'start', 'wait', 'end'].contains(key);
+
+        lines.add(
+          '${labelMap[key] ?? key}: '
+          '${isDateField ? formatDateValue(val) : val.toString()}',
+        );
+      }
+    }
+    return lines.join('\n');
+  }
+
+  dynamic parsed;
+  try {
+    parsed = json.decode(contents);
+  } catch (_) {
+    try {
+      // Attempt to convert Dart-style maps (single quotes) to JSON
+      var fixed = contents.replaceAll("'", '"');
+      parsed = json.decode(fixed);
+    } catch (e) {
+      return contents; // fallback to original if parsing fails
+    }
+  }
+
+  if (parsed is List) {
+    return parsed.map((e) {
+      if (e is Map) return formatTaskMap(Map.from(e));
+      return e.toString();
+    }).join('\n\n');
+  } else if (parsed is Map) {
+    return formatTaskMap(Map.from(parsed));
+  } else {
+    return parsed.toString();
+  }
+}
+
 Future<void> exportTasks({
   required String contents,
   required String suggestedName,

lib/app/modules/profile/views/profile_view.dart

@@ -179,8 +179,10 @@ class ProfileView extends GetView<ProfileController> {
                         onPressed: () {
                           // Navigator.of(context).pop();
                           Get.back();
+                          // Convert exported data to human-readable TXT
+                          var txt = formatTasksAsTxt(tasks);
                           exportTasks(
-                            contents: tasks,
+                            contents: txt,
                             suggestedName: 'tasks-$now.txt',
                           );
                         },