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

enum BadgeType {
  success,
  warning,
  error,
  info,
  neutral,
  premium,
  new_,
}

enum BadgeSize {
  small,
  medium,
  large,
}

enum BadgeVariant {
  filled,
  outlined,
  ghost,
  gradient,
}

class StatusBadge extends StatelessWidget {
  final String text;
  final BadgeType type;
  final BadgeSize size;
  final BadgeVariant variant;
  final IconData? icon;
  final VoidCallback? onTap;
  final bool animated;
  final String? tooltip;
  final Widget? customIcon;
  final bool showPulse;

  const StatusBadge({
    super.key,
    required this.text,
    this.type = BadgeType.neutral,
    this.size = BadgeSize.medium,
    this.variant = BadgeVariant.filled,
    this.icon,
    this.onTap,
    this.animated = true,
    this.tooltip,
    this.customIcon,
    this.showPulse = false,
  });

  @override
  Widget build(BuildContext context) {
    final config = _getBadgeConfig();
    
    Widget badge = AnimatedContainer(
      duration: animated ? const Duration(milliseconds: 200) : Duration.zero,
      padding: _getPadding(),
      decoration: _getDecoration(config),
      child: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          if (icon != null || customIcon != null) ...[
            _buildIcon(config),
            SizedBox(width: _getIconSpacing()),
          ],
          if (showPulse) ...[
            _buildPulseIndicator(config.primaryColor),
            SizedBox(width: _getIconSpacing()),
          ],
          Text(
            text,
            style: _getTextStyle(config),
          ),
        ],
      ),
    );

    if (onTap != null) {
      badge = Material(
        color: Colors.transparent,
        child: InkWell(
          onTap: onTap,
          borderRadius: BorderRadius.circular(_getBorderRadius()),
          child: badge,
        ),
      );
    }

    if (tooltip != null) {
      badge = Tooltip(
        message: tooltip!,
        child: badge,
      );
    }

    return badge;
  }

  _BadgeConfig _getBadgeConfig() {
    switch (type) {
      case BadgeType.success:
        return _BadgeConfig(
          primaryColor: AppTheme.successColor,
          backgroundColor: AppTheme.successColor.withOpacity(0.1),
          borderColor: AppTheme.successColor.withOpacity(0.3),
        );
      case BadgeType.warning:
        return _BadgeConfig(
          primaryColor: AppTheme.warningColor,
          backgroundColor: AppTheme.warningColor.withOpacity(0.1),
          borderColor: AppTheme.warningColor.withOpacity(0.3),
        );
      case BadgeType.error:
        return _BadgeConfig(
          primaryColor: AppTheme.errorColor,
          backgroundColor: AppTheme.errorColor.withOpacity(0.1),
          borderColor: AppTheme.errorColor.withOpacity(0.3),
        );
      case BadgeType.info:
        return _BadgeConfig(
          primaryColor: AppTheme.infoColor,
          backgroundColor: AppTheme.infoColor.withOpacity(0.1),
          borderColor: AppTheme.infoColor.withOpacity(0.3),
        );
      case BadgeType.premium:
        return _BadgeConfig(
          primaryColor: const Color(0xFFFFD700),
          backgroundColor: const Color(0xFFFFD700).withOpacity(0.1),
          borderColor: const Color(0xFFFFD700).withOpacity(0.3),
        );
      case BadgeType.new_:
        return _BadgeConfig(
          primaryColor: const Color(0xFFFF6B6B),
          backgroundColor: const Color(0xFFFF6B6B).withOpacity(0.1),
          borderColor: const Color(0xFFFF6B6B).withOpacity(0.3),
        );
      default:
        return _BadgeConfig(
          primaryColor: AppTheme.textSecondary,
          backgroundColor: AppTheme.textSecondary.withOpacity(0.1),
          borderColor: AppTheme.textSecondary.withOpacity(0.3),
        );
    }
  }

  EdgeInsets _getPadding() {
    switch (size) {
      case BadgeSize.small:
        return const EdgeInsets.symmetric(horizontal: 8, vertical: 2);
      case BadgeSize.medium:
        return const EdgeInsets.symmetric(horizontal: 12, vertical: 4);
      case BadgeSize.large:
        return const EdgeInsets.symmetric(horizontal: 16, vertical: 8);
    }
  }

  double _getBorderRadius() {
    switch (size) {
      case BadgeSize.small:
        return 12;
      case BadgeSize.medium:
        return 16;
      case BadgeSize.large:
        return 20;
    }
  }

  double _getFontSize() {
    switch (size) {
      case BadgeSize.small:
        return 10;
      case BadgeSize.medium:
        return 12;
      case BadgeSize.large:
        return 14;
    }
  }

  double _getIconSize() {
    switch (size) {
      case BadgeSize.small:
        return 12;
      case BadgeSize.medium:
        return 14;
      case BadgeSize.large:
        return 16;
    }
  }

  double _getIconSpacing() {
    switch (size) {
      case BadgeSize.small:
        return 4;
      case BadgeSize.medium:
        return 6;
      case BadgeSize.large:
        return 8;
    }
  }

  Decoration _getDecoration(_BadgeConfig config) {
    switch (variant) {
      case BadgeVariant.filled:
        return BoxDecoration(
          color: config.primaryColor,
          borderRadius: BorderRadius.circular(_getBorderRadius()),
          boxShadow: [
            BoxShadow(
              color: config.primaryColor.withOpacity(0.3),
              blurRadius: 4,
              offset: const Offset(0, 2),
            ),
          ],
        );
      case BadgeVariant.outlined:
        return BoxDecoration(
          color: Colors.transparent,
          border: Border.all(color: config.borderColor, width: 1),
          borderRadius: BorderRadius.circular(_getBorderRadius()),
        );
      case BadgeVariant.ghost:
        return BoxDecoration(
          color: config.backgroundColor,
          borderRadius: BorderRadius.circular(_getBorderRadius()),
        );
      case BadgeVariant.gradient:
        return BoxDecoration(
          gradient: LinearGradient(
            colors: [
              config.primaryColor,
              config.primaryColor.withOpacity(0.7),
            ],
            begin: Alignment.topLeft,
            end: Alignment.bottomRight,
          ),
          borderRadius: BorderRadius.circular(_getBorderRadius()),
          boxShadow: [
            BoxShadow(
              color: config.primaryColor.withOpacity(0.3),
              blurRadius: 8,
              offset: const Offset(0, 4),
            ),
          ],
        );
    }
  }

  TextStyle _getTextStyle(_BadgeConfig config) {
    Color textColor;
    switch (variant) {
      case BadgeVariant.filled:
      case BadgeVariant.gradient:
        textColor = Colors.white;
        break;
      default:
        textColor = config.primaryColor;
    }

    return TextStyle(
      fontSize: _getFontSize(),
      fontWeight: FontWeight.w600,
      color: textColor,
      letterSpacing: 0.2,
    );
  }

  Widget _buildIcon(_BadgeConfig config) {
    Color iconColor;
    switch (variant) {
      case BadgeVariant.filled:
      case BadgeVariant.gradient:
        iconColor = Colors.white;
        break;
      default:
        iconColor = config.primaryColor;
    }

    if (customIcon != null) {
      return customIcon!;
    }

    return Icon(
      icon,
      size: _getIconSize(),
      color: iconColor,
    );
  }

  Widget _buildPulseIndicator(Color color) {
    if (!showPulse) {
      return Container(
        width: _getIconSize() * 0.6,
        height: _getIconSize() * 0.6,
        decoration: BoxDecoration(
          color: color,
          shape: BoxShape.circle,
        ),
      );
    }
    
    return _PulseWidget(
      size: _getIconSize() * 0.6,
      color: color,
    );
  }
}

class _BadgeConfig {
  final Color primaryColor;
  final Color backgroundColor;
  final Color borderColor;

  _BadgeConfig({
    required this.primaryColor,
    required this.backgroundColor,
    required this.borderColor,
  });
}

// Pulse animation widget
class _PulseWidget extends StatefulWidget {
  final double size;
  final Color color;

  const _PulseWidget({
    required this.size,
    required this.color,
  });

  @override
  State<_PulseWidget> createState() => _PulseWidgetState();
}

class _PulseWidgetState extends State<_PulseWidget>
    with SingleTickerProviderStateMixin {
  late AnimationController _controller;
  late Animation<double> _animation;

  @override
  void initState() {
    super.initState();
    _controller = AnimationController(
      duration: const Duration(milliseconds: 1000),
      vsync: this,
    );
    
    _animation = Tween<double>(
      begin: 0.0,
      end: 1.0,
    ).animate(CurvedAnimation(
      parent: _controller,
      curve: Curves.easeInOut,
    ));
    
    _controller.repeat(reverse: true);
  }

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return AnimatedBuilder(
      animation: _animation,
      builder: (context, child) {
        return Transform.scale(
          scale: 0.8 + (_animation.value * 0.4),
          child: Container(
            width: widget.size,
            height: widget.size,
            decoration: BoxDecoration(
              color: widget.color.withOpacity(1.0 - _animation.value * 0.5),
              shape: BoxShape.circle,
            ),
          ),
        );
      },
    );
  }
}

// Extension for easy badge creation
extension BadgeBuilder on String {
  StatusBadge toBadge({
    BadgeType type = BadgeType.neutral,
    BadgeSize size = BadgeSize.medium,
    BadgeVariant variant = BadgeVariant.filled,
    IconData? icon,
    VoidCallback? onTap,
  }) {
    return StatusBadge(
      text: this,
      type: type,
      size: size,
      variant: variant,
      icon: icon,
      onTap: onTap,
    );
  }
}