import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import '../../../providers/ideas_provider.dart';
import '../../../models/idea.dart';
import '../../../core/utils/validators.dart';

class IdeaCreateScreen extends ConsumerStatefulWidget {
  const IdeaCreateScreen({super.key});

  @override
  ConsumerState<IdeaCreateScreen> createState() => _IdeaCreateScreenState();
}

class _IdeaCreateScreenState extends ConsumerState<IdeaCreateScreen> {
  final _formKey = GlobalKey<FormState>();
  final _titleController = TextEditingController();
  final _descriptionController = TextEditingController();

  @override
  void dispose() {
    _titleController.dispose();
    _descriptionController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    final state = ref.watch(ideasProvider);
    final notifier = ref.read(ideasProvider.notifier);

    return Scaffold(
      appBar: AppBar(
        title: const Text('Новая идея'),
        actions: [
          TextButton(
            onPressed: state.isLoading
                ? null
                : () async {
                    if (_formKey.currentState!.validate()) {
                      final success = await notifier.createIdea(
                        CreateIdeaRequest(
                          title: _titleController.text.trim(),
                          description: _descriptionController.text.trim(),
                        ),
                      );
                      if (success && mounted) context.pop();
                    }
                  },
            child: state.isLoading
                ? const SizedBox(
                    height: 16,
                    width: 16,
                    child: CircularProgressIndicator(strokeWidth: 2),
                  )
                : const Text('Сохранить'),
          ),
        ],
      ),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(16),
        child: Form(
          key: _formKey,
          child: Column(
            children: [
              TextFormField(
                controller: _titleController,
                decoration: const InputDecoration(
                  labelText: 'Название',
                  hintText: 'О чём ваша идея?',
                ),
                validator: (v) => Validators.required(v, 'Название'),
                textCapitalization: TextCapitalization.sentences,
              ),
              const SizedBox(height: 16),
              TextFormField(
                controller: _descriptionController,
                decoration: const InputDecoration(
                  labelText: 'Описание',
                  hintText: 'Подробно опишите идею...',
                  alignLabelWithHint: true,
                ),
                maxLines: 8,
                textCapitalization: TextCapitalization.sentences,
              ),
            ],
          ),
        ),
      ),
    );
  }
}