Initial commit

lib/presentation/plan_editor/plan_editor_page.dart

@@ -0,0 +1,80 @@
+import 'package:auto_route/auto_route.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:trainhub_flutter/presentation/plan_editor/plan_editor_controller.dart';
+import 'package:trainhub_flutter/presentation/plan_editor/widgets/plan_section_card.dart';
+
+@RoutePage()
+class PlanEditorPage extends ConsumerWidget {
+  final String planId;
+
+  const PlanEditorPage({super.key, @PathParam('planId') required this.planId});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final state = ref.watch(planEditorControllerProvider(planId));
+    final controller = ref.read(planEditorControllerProvider(planId).notifier);
+
+    return Scaffold(
+      appBar: AppBar(
+        title: state.when(
+          data: (data) => TextField(
+            controller: TextEditingController(text: data.plan.name)
+              ..selection = TextSelection.fromPosition(
+                TextPosition(offset: data.plan.name.length),
+              ),
+            decoration: const InputDecoration(
+              border: InputBorder.none,
+              hintText: 'Plan Name',
+            ),
+            style: Theme.of(context).textTheme.titleLarge,
+            onChanged: controller.updatePlanName,
+          ),
+          error: (_, __) => const Text('Error'),
+          loading: () => const Text('Loading...'),
+        ),
+        actions: [
+          state.maybeWhen(
+            data: (data) => IconButton(
+              icon: Icon(
+                Icons.save,
+                color: data.isDirty ? Theme.of(context).primaryColor : null,
+              ),
+              onPressed: data.isDirty ? () => controller.save() : null,
+            ),
+            orElse: () => const SizedBox.shrink(),
+          ),
+        ],
+      ),
+      body: state.when(
+        data: (data) => ListView.builder(
+          padding: const EdgeInsets.all(16),
+          itemCount: data.plan.sections.length + 1,
+          itemBuilder: (context, index) {
+            if (index == data.plan.sections.length) {
+              return Center(
+                child: Padding(
+                  padding: const EdgeInsets.symmetric(vertical: 16),
+                  child: ElevatedButton.icon(
+                    onPressed: controller.addSection,
+                    icon: const Icon(Icons.add),
+                    label: const Text('Add Section'),
+                  ),
+                ),
+              );
+            }
+            final section = data.plan.sections[index];
+            return PlanSectionCard(
+              section: section,
+              sectionIndex: index,
+              plan: data.plan,
+              availableExercises: data.availableExercises,
+            );
+          },
+        ),
+        error: (e, s) => Center(child: Text('Error: $e')),
+        loading: () => const Center(child: CircularProgressIndicator()),
+      ),
+    );
+  }
+}