import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import '../../../core/api/api_client_provider.dart';

class SessionActiveScreen extends ConsumerWidget {
  final String sessionId;
  final String mitraName;

  const SessionActiveScreen({
    super.key,
    required this.sessionId,
    required this.mitraName,
  });

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Sesi Aktif'),
        automaticallyImplyLeading: false,
      ),
      body: Center(
        child: Padding(
          padding: const EdgeInsets.all(32),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              const Icon(Icons.chat_bubble, size: 80, color: Colors.blue),
              const SizedBox(height: 24),
              Text(
                'Terhubung dengan $mitraName',
                style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
                textAlign: TextAlign.center,
              ),
              const SizedBox(height: 8),
              const Text(
                'Sesi chat akan tersedia di fase berikutnya.',
                textAlign: TextAlign.center,
                style: TextStyle(fontSize: 14, color: Colors.grey),
              ),
              const SizedBox(height: 48),
              ElevatedButton(
                style: ElevatedButton.styleFrom(backgroundColor: Colors.red),
                onPressed: () => _endSession(context, ref),
                child: const Text('Akhiri Sesi', style: TextStyle(color: Colors.white)),
              ),
            ],
          ),
        ),
      ),
    );
  }

  Future<void> _endSession(BuildContext context, WidgetRef ref) async {
    final confirmed = await showDialog<bool>(
      context: context,
      builder: (ctx) => AlertDialog(
        title: const Text('Akhiri Sesi?'),
        content: const Text('Apakah kamu yakin ingin mengakhiri sesi ini?'),
        actions: [
          TextButton(onPressed: () => Navigator.of(ctx).pop(false), child: const Text('Batal')),
          TextButton(onPressed: () => Navigator.of(ctx).pop(true), child: const Text('Ya, Akhiri')),
        ],
      ),
    );

    if (confirmed == true && context.mounted) {
      try {
        final apiClient = ref.read(apiClientProvider);
        await apiClient.post('/api/client/chat/session/$sessionId/end');
        if (context.mounted) context.go('/home');
      } catch (_) {
        if (context.mounted) {
          ScaffoldMessenger.of(context).showSnackBar(
            const SnackBar(content: Text('Gagal mengakhiri sesi. Coba lagi.')),
          );
        }
      }
    }
  }
}