// lib/class/class.dart
import 'package:flutter/material.dart';

/// Gestionnaire de connectivité
class ConnectivityManager {
  final BuildContext context;

  ConnectivityManager(this.context);

  /// Initialiser la connectivité
  void get initConnectivity {
    print('Initialisation de la connectivité');
  }
}

/// Gestionnaire d'overlays personnalisés
class CustomOverlay {
  static OverlayEntry? _currentOverlay;

  /// Afficher un message d'erreur
  static void showError(BuildContext context, {required String message}) {
    hide();

    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Row(
          children: [
            Icon(Icons.error, color: Colors.white, size: 20),
            SizedBox(width: 8),
            Expanded(
              child: Text(
                message,
                style: TextStyle(color: Colors.white, fontSize: 14),
              ),
            ),
          ],
        ),
        backgroundColor: Colors.red,
        behavior: SnackBarBehavior.floating,
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
        duration: Duration(seconds: 4),
      ),
    );
  }

  /// Afficher un message de succès
  static void showSuccess(BuildContext context, {required String message}) {
    hide();

    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Row(
          children: [
            Icon(Icons.check_circle, color: Colors.white, size: 20),
            SizedBox(width: 8),
            Expanded(
              child: Text(
                message,
                style: TextStyle(color: Colors.white, fontSize: 14),
              ),
            ),
          ],
        ),
        backgroundColor: Colors.green,
        behavior: SnackBarBehavior.floating,
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
        duration: Duration(seconds: 3),
      ),
    );
  }

  /// Afficher un message d'information
  static void showInfo(BuildContext context, {required String message}) {
    hide();

    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Row(
          children: [
            Icon(Icons.info_outline, color: Colors.white, size: 20),
            SizedBox(width: 8),
            Expanded(
              child: Text(
                message,
                style: TextStyle(color: Colors.white, fontSize: 14),
              ),
            ),
          ],
        ),
        backgroundColor: Color(0xFF006699),
        behavior: SnackBarBehavior.floating,
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
        duration: Duration(seconds: 3),
      ),
    );
  }

  /// Afficher un avertissement
  static void showWarning(BuildContext context, {required String message}) {
    hide();

    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Row(
          children: [
            Icon(Icons.warning_amber, color: Colors.white, size: 20),
            SizedBox(width: 8),
            Expanded(
              child: Text(
                message,
                style: TextStyle(color: Colors.white, fontSize: 14),
              ),
            ),
          ],
        ),
        backgroundColor: Colors.orange,
        behavior: SnackBarBehavior.floating,
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
        duration: Duration(seconds: 4),
      ),
    );
  }

  /// Afficher un indicateur de chargement
  static void showLoading(
    BuildContext context, {
    String message = 'Chargement...',
  }) {
    hide();

    _currentOverlay = OverlayEntry(
      builder:
          (context) => Material(
            color: Colors.black54,
            child: Center(
              child: Container(
                padding: EdgeInsets.all(20),
                decoration: BoxDecoration(
                  color: Colors.white,
                  borderRadius: BorderRadius.circular(12),
                ),
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    CircularProgressIndicator(
                      valueColor: AlwaysStoppedAnimation<Color>(
                        Color(0xFF006699),
                      ),
                    ),
                    SizedBox(height: 16),
                    Text(
                      message,
                      style: TextStyle(fontSize: 16, color: Colors.black87),
                    ),
                  ],
                ),
              ),
            ),
          ),
    );

    Overlay.of(context).insert(_currentOverlay!);
  }

  /// Masquer l'overlay
  static void hide() {
    if (_currentOverlay != null) {
      _currentOverlay!.remove();
      _currentOverlay = null;
    }
  }
}

/// Classe utilitaire pour les widgets personnalisés
class CustomWidgets {
  /// Créer un champ de saisie stylé
  static Widget buildStyledTextField({
    required String label,
    required String hint,
    required IconData icon,
    TextEditingController? controller,
    bool obscureText = false,
    String? Function(String?)? validator,
    void Function(String)? onChanged,
    bool readOnly = false,
    VoidCallback? onTap,
    TextInputType? keyboardType,
    int? maxLength,
    String? suffixText,
    Widget? suffix,
  }) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text(
          label,
          style: TextStyle(
            fontSize: 14,
            fontWeight: FontWeight.w500,
            color: Color(0xFF2C3E50),
          ),
        ),
        SizedBox(height: 8),
        TextFormField(
          controller: controller,
          validator: validator,
          obscureText: obscureText,
          readOnly: readOnly,
          onTap: onTap,
          onChanged: onChanged,
          keyboardType: keyboardType,
          maxLength: maxLength,
          decoration: InputDecoration(
            hintText: hint,
            prefixIcon: Icon(icon, color: Color(0xFF006699)),
            suffixText: suffixText,
            suffix: suffix,
            filled: true,
            fillColor: Colors.white,
            counterText: '',
            border: OutlineInputBorder(
              borderRadius: BorderRadius.circular(8),
              borderSide: BorderSide(color: Color(0xFFE0E7FF)),
            ),
            enabledBorder: OutlineInputBorder(
              borderRadius: BorderRadius.circular(8),
              borderSide: BorderSide(color: Color(0xFFE0E7FF)),
            ),
            focusedBorder: OutlineInputBorder(
              borderRadius: BorderRadius.circular(8),
              borderSide: BorderSide(color: Color(0xFF006699), width: 2),
            ),
            errorBorder: OutlineInputBorder(
              borderRadius: BorderRadius.circular(8),
              borderSide: BorderSide(color: Colors.red),
            ),
          ),
        ),
      ],
    );
  }

  /// Créer un bouton stylé
  static Widget buildStyledButton({
    required String text,
    required VoidCallback onPressed,
    bool isLoading = false,
    Color? backgroundColor,
    Color? textColor,
    IconData? icon,
    double? height,
    double? width,
    bool enabled = true,
  }) {
    return SizedBox(
      width: width ?? double.infinity,
      height: height ?? 48,
      child: ElevatedButton(
        onPressed: (isLoading || !enabled) ? null : onPressed,
        style: ElevatedButton.styleFrom(
          backgroundColor: backgroundColor ?? Color(0xFF006699),
          foregroundColor: textColor ?? Colors.white,
          elevation: 2,
          disabledBackgroundColor: Colors.grey[300],
          disabledForegroundColor: Colors.grey[600],
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
        ),
        child:
            isLoading
                ? SizedBox(
                  width: 20,
                  height: 20,
                  child: CircularProgressIndicator(
                    strokeWidth: 2,
                    valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
                  ),
                )
                : Row(
                  mainAxisAlignment: MainAxisAlignment.center,
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    if (icon != null) ...[
                      Icon(icon, size: 18),
                      SizedBox(width: 8),
                    ],
                    Text(
                      text,
                      style: TextStyle(
                        fontSize: 16,
                        fontWeight: FontWeight.w600,
                      ),
                    ),
                  ],
                ),
      ),
    );
  }

  /// ===== NOUVEAU: Badge de type de compte =====
  static Widget buildAccountTypeBadge({
    required bool isEnterprise,
    double fontSize = 12,
    EdgeInsets? padding,
  }) {
    return Container(
      padding: padding ?? EdgeInsets.symmetric(horizontal: 12, vertical: 6),
      decoration: BoxDecoration(
        color:
            isEnterprise
                ? Color(0xFF8B5CF6).withOpacity(0.1)
                : Color(0xFF006699).withOpacity(0.1),
        borderRadius: BorderRadius.circular(20),
        border: Border.all(
          color:
              isEnterprise
                  ? Color(0xFF8B5CF6).withOpacity(0.3)
                  : Color(0xFF006699).withOpacity(0.3),
          width: 1,
        ),
      ),
      child: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          Icon(
            isEnterprise ? Icons.business : Icons.person,
            color: isEnterprise ? Color(0xFF8B5CF6) : Color(0xFF006699),
            size: fontSize + 2,
          ),
          SizedBox(width: 6),
          Text(
            isEnterprise ? 'Entreprise' : 'Agent',
            style: TextStyle(
              color: isEnterprise ? Color(0xFF8B5CF6) : Color(0xFF006699),
              fontSize: fontSize,
              fontWeight: FontWeight.w600,
            ),
          ),
        ],
      ),
    );
  }

  /// ===== NOUVEAU: Carte d'information avec icône =====
  static Widget buildInfoCard({
    required String title,
    required String value,
    required IconData icon,
    Color? iconColor,
    Color? backgroundColor,
    VoidCallback? onTap,
  }) {
    return InkWell(
      onTap: onTap,
      borderRadius: BorderRadius.circular(12),
      child: Container(
        padding: EdgeInsets.all(16),
        decoration: BoxDecoration(
          color: backgroundColor ?? Colors.white,
          borderRadius: BorderRadius.circular(12),
          border: Border.all(
            color: (iconColor ?? Color(0xFF006699)).withOpacity(0.2),
            width: 1,
          ),
          boxShadow: [
            BoxShadow(
              color: Colors.black.withOpacity(0.05),
              blurRadius: 10,
              offset: Offset(0, 4),
            ),
          ],
        ),
        child: Row(
          children: [
            Container(
              padding: EdgeInsets.all(12),
              decoration: BoxDecoration(
                color: (iconColor ?? Color(0xFF006699)).withOpacity(0.1),
                borderRadius: BorderRadius.circular(10),
              ),
              child: Icon(
                icon,
                color: iconColor ?? Color(0xFF006699),
                size: 24,
              ),
            ),
            SizedBox(width: 16),
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    title,
                    style: TextStyle(
                      fontSize: 12,
                      color: Colors.grey[600],
                      fontWeight: FontWeight.w500,
                    ),
                  ),
                  SizedBox(height: 4),
                  Text(
                    value,
                    style: TextStyle(
                      fontSize: 16,
                      color: Colors.black87,
                      fontWeight: FontWeight.bold,
                    ),
                    overflow: TextOverflow.ellipsis,
                  ),
                ],
              ),
            ),
            if (onTap != null)
              Icon(Icons.arrow_forward_ios, size: 16, color: Colors.grey[400]),
          ],
        ),
      ),
    );
  }

  /// ===== NOUVEAU: Carte de statistique =====
  static Widget buildStatCard({
    required String title,
    required String value,
    required IconData icon,
    Color? color,
    String? subtitle,
  }) {
    final cardColor = color ?? Color(0xFF006699);

    return Container(
      padding: EdgeInsets.all(16),
      decoration: BoxDecoration(
        gradient: LinearGradient(
          begin: Alignment.topLeft,
          end: Alignment.bottomRight,
          colors: [cardColor.withOpacity(0.8), cardColor],
        ),
        borderRadius: BorderRadius.circular(16),
        boxShadow: [
          BoxShadow(
            color: cardColor.withOpacity(0.3),
            blurRadius: 10,
            offset: Offset(0, 4),
          ),
        ],
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: [
              Icon(icon, color: Colors.white, size: 32),
              Container(
                padding: EdgeInsets.symmetric(horizontal: 8, vertical: 4),
                decoration: BoxDecoration(
                  color: Colors.white.withOpacity(0.2),
                  borderRadius: BorderRadius.circular(12),
                ),
                child: Icon(Icons.trending_up, color: Colors.white, size: 16),
              ),
            ],
          ),
          SizedBox(height: 12),
          Text(
            value,
            style: TextStyle(
              color: Colors.white,
              fontSize: 28,
              fontWeight: FontWeight.bold,
            ),
          ),
          SizedBox(height: 4),
          Text(
            title,
            style: TextStyle(
              color: Colors.white.withOpacity(0.9),
              fontSize: 14,
              fontWeight: FontWeight.w500,
            ),
          ),
          if (subtitle != null) ...[
            SizedBox(height: 4),
            Text(
              subtitle,
              style: TextStyle(
                color: Colors.white.withOpacity(0.7),
                fontSize: 12,
              ),
            ),
          ],
        ],
      ),
    );
  }

  /// ===== NOUVEAU: Séparateur avec texte =====
  static Widget buildDividerWithText(String text) {
    return Row(
      children: [
        Expanded(child: Divider(color: Colors.grey[300], thickness: 1)),
        Padding(
          padding: EdgeInsets.symmetric(horizontal: 16),
          child: Text(
            text,
            style: TextStyle(
              color: Colors.grey[600],
              fontSize: 12,
              fontWeight: FontWeight.w500,
            ),
          ),
        ),
        Expanded(child: Divider(color: Colors.grey[300], thickness: 1)),
      ],
    );
  }

  /// ===== NOUVEAU: Liste vide stylée =====
  static Widget buildEmptyState({
    required String message,
    String? subtitle,
    IconData? icon,
    VoidCallback? onRefresh,
  }) {
    return Center(
      child: Padding(
        padding: EdgeInsets.all(24),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Icon(
              icon ?? Icons.inbox_outlined,
              size: 80,
              color: Colors.grey[400],
            ),
            SizedBox(height: 16),
            Text(
              message,
              style: TextStyle(
                fontSize: 18,
                fontWeight: FontWeight.w600,
                color: Colors.grey[700],
              ),
              textAlign: TextAlign.center,
            ),
            if (subtitle != null) ...[
              SizedBox(height: 8),
              Text(
                subtitle,
                style: TextStyle(fontSize: 14, color: Colors.grey[500]),
                textAlign: TextAlign.center,
              ),
            ],
            if (onRefresh != null) ...[
              SizedBox(height: 24),
              ElevatedButton.icon(
                onPressed: onRefresh,
                icon: Icon(Icons.refresh),
                label: Text('Actualiser'),
                style: ElevatedButton.styleFrom(
                  backgroundColor: Color(0xFF006699),
                  foregroundColor: Colors.white,
                  padding: EdgeInsets.symmetric(horizontal: 24, vertical: 12),
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(20),
                  ),
                ),
              ),
            ],
          ],
        ),
      ),
    );
  }

  /// ===== NOUVEAU: Dialog de confirmation =====
  static Future<bool> showConfirmDialog({
    required BuildContext context,
    required String title,
    required String message,
    String confirmText = 'Confirmer',
    String cancelText = 'Annuler',
    Color? confirmColor,
    IconData? icon,
  }) async {
    final result = await showDialog<bool>(
      context: context,
      builder:
          (context) => AlertDialog(
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(16),
            ),
            title: Row(
              children: [
                if (icon != null) ...[
                  Icon(icon, color: confirmColor ?? Color(0xFF006699)),
                  SizedBox(width: 12),
                ],
                Expanded(child: Text(title, style: TextStyle(fontSize: 18))),
              ],
            ),
            content: Text(
              message,
              style: TextStyle(fontSize: 14, color: Colors.grey[700]),
            ),
            actions: [
              TextButton(
                onPressed: () => Navigator.of(context).pop(false),
                child: Text(
                  cancelText,
                  style: TextStyle(color: Colors.grey[600]),
                ),
              ),
              ElevatedButton(
                onPressed: () => Navigator.of(context).pop(true),
                style: ElevatedButton.styleFrom(
                  backgroundColor: confirmColor ?? Color(0xFF006699),
                  foregroundColor: Colors.white,
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(8),
                  ),
                ),
                child: Text(confirmText),
              ),
            ],
          ),
    );

    return result ?? false;
  }

  /// ===== NOUVEAU: Badge de statut =====
  static Widget buildStatusBadge({
    required String text,
    required bool isActive,
    double fontSize = 12,
  }) {
    return Container(
      padding: EdgeInsets.symmetric(horizontal: 12, vertical: 6),
      decoration: BoxDecoration(
        color:
            isActive
                ? Colors.green.withOpacity(0.1)
                : Colors.orange.withOpacity(0.1),
        borderRadius: BorderRadius.circular(20),
        border: Border.all(
          color:
              isActive
                  ? Colors.green.withOpacity(0.3)
                  : Colors.orange.withOpacity(0.3),
          width: 1,
        ),
      ),
      child: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          Container(
            width: 8,
            height: 8,
            decoration: BoxDecoration(
              color: isActive ? Colors.green : Colors.orange,
              shape: BoxShape.circle,
            ),
          ),
          SizedBox(width: 6),
          Text(
            text,
            style: TextStyle(
              color: isActive ? Colors.green[700] : Colors.orange[700],
              fontSize: fontSize,
              fontWeight: FontWeight.w600,
            ),
          ),
        ],
      ),
    );
  }
}

/// ===== NOUVELLE CLASSE: Utilitaires pour entreprises =====
class EnterpriseWidgets {
  /// Badge entreprise
  static Widget buildEnterpriseBadge({
    required String enterpriseName,
    double fontSize = 12,
    EdgeInsets? padding,
  }) {
    return Container(
      padding: padding ?? EdgeInsets.symmetric(horizontal: 12, vertical: 6),
      decoration: BoxDecoration(
        gradient: LinearGradient(
          colors: [Color(0xFF8B5CF6).withOpacity(0.8), Color(0xFF8B5CF6)],
        ),
        borderRadius: BorderRadius.circular(20),
        boxShadow: [
          BoxShadow(
            color: Color(0xFF8B5CF6).withOpacity(0.3),
            blurRadius: 8,
            offset: Offset(0, 2),
          ),
        ],
      ),
      child: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          Icon(Icons.business, color: Colors.white, size: fontSize + 2),
          SizedBox(width: 6),
          Flexible(
            child: Text(
              enterpriseName,
              style: TextStyle(
                color: Colors.white,
                fontSize: fontSize,
                fontWeight: FontWeight.w600,
              ),
              overflow: TextOverflow.ellipsis,
            ),
          ),
        ],
      ),
    );
  }

  /// Carte d'information entreprise
  static Widget buildEnterpriseInfoCard({
    required String enterpriseId,
    required String enterpriseName,
    required double balance,
    int? totalMembers,
    VoidCallback? onTap,
  }) {
    return InkWell(
      onTap: onTap,
      borderRadius: BorderRadius.circular(16),
      child: Container(
        padding: EdgeInsets.all(20),
        decoration: BoxDecoration(
          gradient: LinearGradient(
            begin: Alignment.topLeft,
            end: Alignment.bottomRight,
            colors: [Color(0xFF8B5CF6).withOpacity(0.8), Color(0xFF8B5CF6)],
          ),
          borderRadius: BorderRadius.circular(16),
          boxShadow: [
            BoxShadow(
              color: Color(0xFF8B5CF6).withOpacity(0.3),
              blurRadius: 15,
              offset: Offset(0, 8),
            ),
          ],
        ),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Icon(Icons.business, color: Colors.white, size: 32),
                Container(
                  padding: EdgeInsets.symmetric(horizontal: 10, vertical: 4),
                  decoration: BoxDecoration(
                    color: Colors.white.withOpacity(0.2),
                    borderRadius: BorderRadius.circular(12),
                  ),
                  child: Text(
                    enterpriseId,
                    style: TextStyle(
                      color: Colors.white,
                      fontSize: 12,
                      fontWeight: FontWeight.w600,
                    ),
                  ),
                ),
              ],
            ),
            SizedBox(height: 16),
            Text(
              enterpriseName,
              style: TextStyle(
                color: Colors.white,
                fontSize: 20,
                fontWeight: FontWeight.bold,
              ),
              overflow: TextOverflow.ellipsis,
            ),
            SizedBox(height: 8),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Text(
                      'Solde disponible',
                      style: TextStyle(
                        color: Colors.white.withOpacity(0.8),
                        fontSize: 12,
                      ),
                    ),
                    SizedBox(height: 4),
                    Text(
                      '${balance.toStringAsFixed(0)} FCFA',
                      style: TextStyle(
                        color: Colors.white,
                        fontSize: 24,
                        fontWeight: FontWeight.bold,
                      ),
                    ),
                  ],
                ),
                if (totalMembers != null)
                  Column(
                    children: [
                      Icon(Icons.people, color: Colors.white, size: 24),
                      SizedBox(height: 4),
                      Text(
                        '$totalMembers',
                        style: TextStyle(
                          color: Colors.white,
                          fontSize: 16,
                          fontWeight: FontWeight.bold,
                        ),
                      ),
                      Text(
                        'Membres',
                        style: TextStyle(
                          color: Colors.white.withOpacity(0.8),
                          fontSize: 10,
                        ),
                      ),
                    ],
                  ),
              ],
            ),
          ],
        ),
      ),
    );
  }
}