import 'package:flutter/material.dart';
import '../../../core/network/api_client.dart';
import '../../../core/theme/app_theme.dart';

class InAppAdminModal {
  static void show(BuildContext context) {
    showModalBottomSheet(
      context: context,
      isScrollControlled: true,
      backgroundColor: Colors.transparent,
      builder: (modalCtx) => const _AdminSheetContent(),
    );
  }
}

class _AdminSheetContent extends StatefulWidget {
  const _AdminSheetContent();

  @override
  State<_AdminSheetContent> createState() => _AdminSheetContentState();
}

class _AdminSheetContentState extends State<_AdminSheetContent> with SingleTickerProviderStateMixin {
  late TabController _tabController;
  final _client = ApiClient();

  // Add Partner Form Controllers
  final _nameController = TextEditingController();
  final _cityController = TextEditingController(text: 'بغداد');
  final _countryController = TextEditingController(text: 'العراق');
  final _discountController = TextEditingController(text: '50');
  final _phoneController = TextEditingController();
  final _addressController = TextEditingController();
  String _partnerType = 'HOSPITAL';
  bool _isAdding = false;

  @override
  void initState() {
    super.initState();
    _tabController = TabController(length: 2, vsync: this);
  }

  @override
  void dispose() {
    _tabController.dispose();
    _nameController.dispose();
    _cityController.dispose();
    _countryController.dispose();
    _discountController.dispose();
    _phoneController.dispose();
    _addressController.dispose();
    super.dispose();
  }

  Future<void> _submitNewPartner() async {
    final name = _nameController.text.trim();
    if (name.isEmpty) {
      ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('يرجى كتابة اسم المستشفى أو الفندق.')));
      return;
    }

    setState(() => _isAdding = true);
    try {
      await _client.post('/api/v1/admin/partners/add', body: {
        'name_ar': name,
        'type': _partnerType,
        'city': _cityController.text.trim(),
        'country': _countryController.text.trim(),
        'discount_percentage': double.tryParse(_discountController.text.trim()) ?? 50.0,
        'phone': _phoneController.text.trim(),
        'address': _addressController.text.trim(),
      });

      if (mounted) {
        Navigator.of(context).pop();
        ScaffoldMessenger.of(context).showSnackBar(
          const SnackBar(
            content: Text('تمت إضافة الشريك بنجاح ومتاح فورياً لجميع المشتركين!'),
            backgroundColor: AppTheme.emeraldGreen,
          ),
        );
      }
    } catch (e) {
      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('حدث خطأ: $e'), backgroundColor: AppTheme.crimsonRed));
      }
    } finally {
      if (mounted) setState(() => _isAdding = false);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Directionality(
      textDirection: TextDirection.rtl,
      child: Container(
        height: MediaQuery.of(context).size.height * 0.85,
        padding: const EdgeInsets.all(20),
        decoration: const BoxDecoration(
          color: AppTheme.primaryDark,
          borderRadius: BorderRadius.vertical(top: Radius.circular(24)),
        ),
        child: Column(
          children: [
            Container(width: 40, height: 4, decoration: BoxDecoration(color: Colors.white24, borderRadius: BorderRadius.circular(2))),
            const SizedBox(height: 16),
            const Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Icon(Icons.admin_panel_settings, color: AppTheme.goldAccent, size: 24),
                SizedBox(width: 8),
                Text(
                  'لوحة إدارة جائزة أوروك (خاص بالإدارة)',
                  style: TextStyle(color: AppTheme.goldLight, fontSize: 17, fontWeight: FontWeight.bold),
                ),
              ],
            ),
            const SizedBox(height: 14),
            TabBar(
              controller: _tabController,
              indicatorColor: AppTheme.goldAccent,
              labelColor: AppTheme.goldLight,
              unselectedLabelColor: AppTheme.textMuted,
              tabs: const [
                Tab(text: 'إضافة مستشفى / فندق'),
                Tab(text: 'الحوالات المعلقة'),
              ],
            ),
            const SizedBox(height: 14),
            Expanded(
              child: TabBarView(
                controller: _tabController,
                children: [
                  // Tab 1: Add Partner Form
                  _buildAddPartnerTab(),

                  // Tab 2: Pending Payments
                  _buildPendingPaymentsTab(),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildAddPartnerTab() {
    return SingleChildScrollView(
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.stretch,
        children: [
          Row(
            children: [
              Expanded(
                child: RadioListTile<String>(
                  title: const Text('مستشفى (50%)', style: TextStyle(color: Colors.white, fontSize: 13)),
                  value: 'HOSPITAL',
                  groupValue: _partnerType,
                  activeColor: AppTheme.goldAccent,
                  onChanged: (v) => setState(() {
                    _partnerType = v!;
                    _discountController.text = '50';
                  }),
                ),
              ),
              Expanded(
                child: RadioListTile<String>(
                  title: const Text('فندق (سياحي)', style: TextStyle(color: Colors.white, fontSize: 13)),
                  value: 'HOTEL',
                  groupValue: _partnerType,
                  activeColor: AppTheme.goldAccent,
                  onChanged: (v) => setState(() {
                    _partnerType = v!;
                    _discountController.text = '45';
                  }),
                ),
              ),
            ],
          ),
          const SizedBox(height: 8),
          _buildTextField(_nameController, 'اسم الشريك (مثال: مستشفى الشرق الأوسط / فندق بابل)', Icons.business),
          const SizedBox(height: 12),
          Row(
            children: [
              Expanded(child: _buildTextField(_cityController, 'المدينة (بغداد، أربيل، عمان..)', Icons.location_city)),
              const SizedBox(width: 8),
              Expanded(child: _buildTextField(_countryController, 'الدولة', Icons.public)),
            ],
          ),
          const SizedBox(height: 12),
          Row(
            children: [
              Expanded(child: _buildTextField(_discountController, 'نسبة الخصم %', Icons.percent, isNumber: true)),
              const SizedBox(width: 8),
              Expanded(child: _buildTextField(_phoneController, 'رقم الهاتف', Icons.phone)),
            ],
          ),
          const SizedBox(height: 12),
          _buildTextField(_addressController, 'العنوان التفصيلي', Icons.map),
          const SizedBox(height: 20),
          SizedBox(
            height: 50,
            child: ElevatedButton(
              onPressed: _isAdding ? null : _submitNewPartner,
              child: _isAdding
                  ? const CircularProgressIndicator(color: AppTheme.primaryDark)
                  : const Text('حفظ ونشر الشريك فورياً لجميع المشتركين'),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildPendingPaymentsTab() {
    return FutureBuilder<Map<String, dynamic>>(
      future: _client.get('/api/v1/admin/payments/pending'),
      builder: (context, snapshot) {
        if (snapshot.connectionState == ConnectionState.waiting) {
          return const Center(child: CircularProgressIndicator(color: AppTheme.goldAccent));
        }

        if (snapshot.hasError) {
          return Center(child: Text('خطأ: ${snapshot.error}', style: const TextStyle(color: AppTheme.textMuted)));
        }

        final list = (snapshot.data?['data'] as List<dynamic>?) ?? [];
        if (list.isEmpty) {
          return const Center(
            child: Text('لا توجد حوالات معلقة حالياً.', style: TextStyle(color: AppTheme.textMuted)),
          );
        }

        return ListView.builder(
          itemCount: list.length,
          itemBuilder: (ctx, i) {
            final item = list[i] as Map<String, dynamic>;
            return Card(
              color: AppTheme.cardDark,
              margin: const EdgeInsets.only(bottom: 10),
              child: ListTile(
                title: Text(item['full_name'] ?? 'مشترك جديد', style: const TextStyle(color: Colors.white)),
                subtitle: Text(
                  '${item['method']} • رقم الحركة: ${item['reference_number']}',
                  style: const TextStyle(color: AppTheme.textMuted, fontSize: 12),
                ),
                trailing: ElevatedButton(
                  style: ElevatedButton.styleFrom(
                    backgroundColor: AppTheme.emeraldGreen,
                    padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
                  ),
                  onPressed: () async {
                    await _client.post('/api/v1/admin/payments/approve', body: {'transaction_id': item['id']});
                    setState(() {});
                  },
                  child: const Text('تفعيل', style: TextStyle(fontSize: 12)),
                ),
              ),
            );
          },
        );
      },
    );
  }

  Widget _buildTextField(TextEditingController controller, String label, IconData icon, {bool isNumber = false}) {
    return TextField(
      controller: controller,
      keyboardType: isNumber ? TextInputType.number : TextInputType.text,
      style: const TextStyle(color: Colors.white, fontSize: 14),
      decoration: InputDecoration(
        labelText: label,
        labelStyle: const TextStyle(color: AppTheme.textMuted, fontSize: 13),
        prefixIcon: Icon(icon, color: AppTheme.goldAccent, size: 20),
        filled: true,
        fillColor: AppTheme.cardDark,
        border: OutlineInputBorder(borderRadius: BorderRadius.circular(12), borderSide: BorderSide.none),
        contentPadding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
      ),
    );
  }
}