import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../../core/chat/chat_request_notifier.dart';

class IncomingRequestSheet extends ConsumerWidget {
  final String sessionId;
  const IncomingRequestSheet({super.key, required this.sessionId});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final requestState = ref.watch(chatRequestProvider);

    // Request is still active — show accept/decline
    if (requestState is ChatRequestIncomingData) {
      return _buildActiveRequest(context, ref);
    }

    // Request was taken by another mitra or cancelled — show info
    return _buildStaleRequest(context);
  }

  Widget _buildActiveRequest(BuildContext context, WidgetRef ref) {
    return Container(
      padding: const EdgeInsets.all(24),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          const Icon(Icons.chat, size: 48, color: Colors.blue),
          const SizedBox(height: 16),
          const Text(
            'Ada permintaan chat baru!',
            style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
          ),
          const SizedBox(height: 8),
          const Text(
            'Seorang customer ingin curhat denganmu.',
            style: TextStyle(fontSize: 14, color: Colors.grey),
          ),
          const SizedBox(height: 24),
          Row(
            children: [
              Expanded(
                child: OutlinedButton(
                  onPressed: () {
                    ref.read(chatRequestProvider.notifier).decline(sessionId);
                    Navigator.of(context).pop();
                  },
                  child: const Text('Tolak'),
                ),
              ),
              const SizedBox(width: 16),
              Expanded(
                child: ElevatedButton(
                  onPressed: () {
                    ref.read(chatRequestProvider.notifier).accept(sessionId);
                    Navigator.of(context).pop();
                  },
                  child: const Text('Terima'),
                ),
              ),
            ],
          ),
        ],
      ),
    );
  }

  Widget _buildStaleRequest(BuildContext context) {
    return Container(
      padding: const EdgeInsets.all(24),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          const Icon(Icons.info_outline, size: 48, color: Colors.orange),
          const SizedBox(height: 16),
          const Text(
            'Permintaan tidak tersedia',
            style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
          ),
          const SizedBox(height: 8),
          const Text(
            'Permintaan ini sudah dibatalkan oleh customer atau diterima oleh Bestie lain.',
            style: TextStyle(fontSize: 14, color: Colors.grey),
            textAlign: TextAlign.center,
          ),
          const SizedBox(height: 24),
          SizedBox(
            width: double.infinity,
            child: ElevatedButton(
              onPressed: () => Navigator.of(context).pop(),
              child: const Text('OK'),
            ),
          ),
        ],
      ),
    );
  }
}