import React, { useRef, useEffect, useState, useCallback, useMemo } from 'react';

// ============================================================================
// TYPES
// ============================================================================

export type WidgetVariant = 'default' | 'primary' | 'success' | 'danger' | 'warning' | 'info' | 'indigo' | 'blue' | 'teal' | 'purple' | 'pink' | 'orange';

export interface StatWidgetProps {
  /** Widget title/label */
  title: string;
  /** Main value to display */
  value: string | number;
  /** Icon class name (e.g., 'icon-pointer') */
  icon?: string;
  /** Icon element (alternative to icon class) */
  iconElement?: React.ReactNode;
  /** Color variant */
  variant?: WidgetVariant;
  /** Icon position */
  iconPosition?: 'left' | 'right';
  /** Whether to use solid background color */
  solid?: boolean;
  /** Optional trend indicator */
  trend?: {
    value: number;
    direction: 'up' | 'down';
    label?: string;
  };
  /** Click handler */
  onClick?: () => void;
  /** Additional CSS class */
  className?: string;
}

export interface ProgressWidgetProps {
  /** Widget title */
  title: string;
  /** Subtitle/description */
  subtitle?: string;
  /** Progress value (0-100) */
  progress: number;
  /** Progress label */
  progressLabel?: string;
  /** Progress sublabel */
  progressSublabel?: string;
  /** Icon class name */
  icon?: string;
  /** Icon element (alternative to icon class) */
  iconElement?: React.ReactNode;
  /** Color variant */
  variant?: WidgetVariant;
  /** Progress bar height */
  progressHeight?: number;
  /** Additional CSS class */
  className?: string;
}

export interface ChartWidgetProps {
  /** Widget title */
  title?: string;
  /** Subtitle/description */
  subtitle?: string;
  /** Chart type */
  type: 'area' | 'bar' | 'line' | 'donut' | 'pie' | 'sparkline';
  /** Chart data */
  data: ChartDataPoint[];
  /** Chart height in pixels */
  height?: number;
  /** Color for the chart */
  color?: string;
  /** Multiple colors for pie/donut charts */
  colors?: string[];
  /** Whether to animate on load */
  animate?: boolean;
  /** Animation duration in ms */
  animationDuration?: number;
  /** Show tooltip on hover */
  showTooltip?: boolean;
  /** Tooltip formatter */
  tooltipFormatter?: (value: number, label?: string) => string;
  /** Header content */
  header?: React.ReactNode;
  /** Footer content */
  footer?: React.ReactNode;
  /** Additional CSS class */
  className?: string;
}

export interface ChartDataPoint {
  label?: string;
  value: number;
  date?: string | Date;
  color?: string;
}

export interface ContentWidgetProps {
  /** Widget title */
  title?: string;
  /** Header actions */
  headerActions?: React.ReactNode;
  /** Widget content */
  children: React.ReactNode;
  /** Footer content */
  footer?: React.ReactNode;
  /** Whether to remove padding */
  noPadding?: boolean;
  /** Additional CSS class */
  className?: string;
}

export interface UserWidgetProps {
  /** User name */
  name: string;
  /** User role/title */
  role?: string;
  /** User avatar URL */
  avatar?: string;
  /** Background image or color */
  background?: string;
  /** Background color variant */
  variant?: WidgetVariant;
  /** User details */
  details?: Array<{ label: string; value: string | React.ReactNode }>;
  /** Social links */
  socialLinks?: Array<{ icon: string; href: string }>;
  /** Action buttons */
  actions?: React.ReactNode;
  /** Additional CSS class */
  className?: string;
}

export interface MessageListItem {
  id: string;
  avatar?: string;
  name: string;
  message: string;
  time: string;
  badge?: number;
  online?: boolean;
}

export interface MessageListWidgetProps {
  /** Widget title */
  title?: string;
  /** Header extra content (e.g., trend indicator) */
  headerExtra?: React.ReactNode;
  /** Messages to display */
  messages: MessageListItem[];
  /** Tab configuration for multiple views */
  tabs?: Array<{ id: string; label: string; messages: MessageListItem[] }>;
  /** Chart to display above messages */
  chart?: ChartWidgetProps;
  /** Message click handler */
  onMessageClick?: (message: MessageListItem) => void;
  /** Additional CSS class */
  className?: string;
}

// ============================================================================
// UTILITY HOOKS
// ============================================================================

/**
 * Hook for responsive container width tracking
 */
export function useContainerWidth(ref: React.RefObject<HTMLElement | null>): number {
  const [width, setWidth] = useState(0);

  useEffect(() => {
    if (!ref.current) return;

    const observer = new ResizeObserver((entries) => {
      for (const entry of entries) {
        setWidth(entry.contentRect.width);
      }
    });

    observer.observe(ref.current);
    setWidth(ref.current.getBoundingClientRect().width);

    return () => observer.disconnect();
  }, [ref]);

  return width;
}

/**
 * Format large numbers with abbreviations
 */
export function formatNumber(num: number): string {
  if (num >= 1000000) {
    return (num / 1000000).toFixed(1).replace(/\.0$/, '') + 'M';
  }
  if (num >= 1000) {
    return (num / 1000).toFixed(1).replace(/\.0$/, '') + 'K';
  }
  return num.toLocaleString();
}

// ============================================================================
// STAT WIDGET
// ============================================================================

export const StatWidget: React.FC<StatWidgetProps> = ({
  title,
  value,
  icon,
  iconElement,
  variant = 'default',
  iconPosition = 'left',
  solid = false,
  trend,
  onClick,
  className = '',
}) => {
  const variantClass = variant !== 'default' ? `ll-stat-widget--${variant}` : '';
  const solidClass = solid ? 'll-stat-widget--solid' : '';
  const clickableClass = onClick ? 'll-stat-widget--clickable' : '';
  const positionClass = iconPosition === 'right' ? 'll-stat-widget--icon-right' : '';

  const iconContent = iconElement || (icon && <i className={`${icon} icon-3x`} />);

  return (
    <div
      className={`ll-stat-widget ${variantClass} ${solidClass} ${clickableClass} ${positionClass} ${className}`.trim()}
      onClick={onClick}
      role={onClick ? 'button' : undefined}
      tabIndex={onClick ? 0 : undefined}
    >
      <div className="ll-stat-widget__content">
        {iconPosition === 'left' && iconContent && (
          <div className="ll-stat-widget__icon">{iconContent}</div>
        )}
        <div className="ll-stat-widget__info">
          <h3 className="ll-stat-widget__value">
            {typeof value === 'number' ? formatNumber(value) : value}
          </h3>
          <span className="ll-stat-widget__title">{title}</span>
        </div>
        {iconPosition === 'right' && iconContent && (
          <div className="ll-stat-widget__icon">{iconContent}</div>
        )}
      </div>
      {trend && (
        <div className={`ll-stat-widget__trend ll-stat-widget__trend--${trend.direction}`}>
          <i className={trend.direction === 'up' ? 'icon-arrow-up22' : 'icon-arrow-down22'} />
          <span>{trend.value}%</span>
          {trend.label && <span className="ll-stat-widget__trend-label">{trend.label}</span>}
        </div>
      )}
    </div>
  );
};

// ============================================================================
// PROGRESS WIDGET
// ============================================================================

export const ProgressWidget: React.FC<ProgressWidgetProps> = ({
  title,
  subtitle,
  progress,
  progressLabel,
  progressSublabel,
  icon,
  iconElement,
  variant = 'primary',
  progressHeight = 2,
  className = '',
}) => {
  const variantClass = `ll-progress-widget--${variant}`;
  const iconContent = iconElement || (icon && <i className={`${icon} icon-2x`} />);

  return (
    <div className={`ll-progress-widget ${variantClass} ${className}`.trim()}>
      <div className="ll-progress-widget__header">
        <div className="ll-progress-widget__info">
          <h6 className="ll-progress-widget__title">{title}</h6>
          {subtitle && <span className="ll-progress-widget__subtitle">{subtitle}</span>}
        </div>
        {iconContent && <div className="ll-progress-widget__icon">{iconContent}</div>}
      </div>
      <div className="ll-progress-widget__bar" style={{ height: `${progressHeight}px` }}>
        <div
          className="ll-progress-widget__fill"
          style={{ width: `${Math.min(100, Math.max(0, progress))}%` }}
        />
      </div>
      {(progressLabel || progressSublabel) && (
        <div className="ll-progress-widget__footer">
          {progressSublabel && <span>{progressSublabel}</span>}
          {progressLabel && <span className="ll-progress-widget__progress-value">{progressLabel}</span>}
        </div>
      )}
    </div>
  );
};

// ============================================================================
// CHART WIDGET - Pure React/SVG Charts (No jQuery)
// ============================================================================

export const ChartWidget: React.FC<ChartWidgetProps> = ({
  title,
  subtitle,
  type,
  data,
  height = 200,
  color = '#26A69A',
  colors,
  animate = true,
  animationDuration = 1000,
  showTooltip = true,
  tooltipFormatter,
  header,
  footer,
  className = '',
}) => {
  const containerRef = useRef<HTMLDivElement>(null);
  const width = useContainerWidth(containerRef);
  const [animationProgress, setAnimationProgress] = useState(animate ? 0 : 1);
  const [hoveredIndex, setHoveredIndex] = useState<number | null>(null);
  const [tooltipPosition, setTooltipPosition] = useState({ x: 0, y: 0 });

  // Animation effect
  useEffect(() => {
    if (!animate) return;

    const startTime = Date.now();
    let animationFrame: number;

    const updateAnimation = () => {
      const elapsed = Date.now() - startTime;
      const progress = Math.min(1, elapsed / animationDuration);
      setAnimationProgress(progress);

      if (progress < 1) {
        animationFrame = requestAnimationFrame(updateAnimation);
      }
    };

    animationFrame = requestAnimationFrame(updateAnimation);
    return () => cancelAnimationFrame(animationFrame);
  }, [animate, animationDuration, data]);

  // Calculate scales
  const maxValue = useMemo(() => Math.max(...data.map((d) => d.value)), [data]);
  const minValue = useMemo(() => Math.min(...data.map((d) => d.value)), [data]);

  // Default tooltip formatter
  const defaultFormatter = useCallback(
    (value: number, label?: string) => `${label ? label + ': ' : ''}${formatNumber(value)}`,
    []
  );

  const formatter = tooltipFormatter || defaultFormatter;

  // Render different chart types
  const renderChart = () => {
    if (width === 0) return null;

    switch (type) {
      case 'area':
        return renderAreaChart();
      case 'line':
        return renderLineChart();
      case 'bar':
        return renderBarChart();
      case 'sparkline':
        return renderSparklineChart();
      case 'donut':
      case 'pie':
        return renderPieChart();
      default:
        return null;
    }
  };

  const renderAreaChart = () => {
    const padding = { top: 10, right: 10, bottom: 10, left: 10 };
    const chartWidth = width - padding.left - padding.right;
    const chartHeight = height - padding.top - padding.bottom;

    const xScale = (i: number) => padding.left + (i / (data.length - 1)) * chartWidth;
    const yScale = (v: number) => padding.top + chartHeight - ((v - minValue) / (maxValue - minValue || 1)) * chartHeight;

    const pathData = data
      .map((d, i) => {
        const x = xScale(i);
        const y = yScale(d.value * animationProgress);
        return `${i === 0 ? 'M' : 'L'} ${x} ${y}`;
      })
      .join(' ');

    const areaPath = `${pathData} L ${xScale(data.length - 1)} ${height - padding.bottom} L ${padding.left} ${height - padding.bottom} Z`;

    return (
      <svg width={width} height={height} className="ll-chart-widget__svg">
        <defs>
          <linearGradient id={`area-gradient-${color.replace('#', '')}`} x1="0%" y1="0%" x2="0%" y2="100%">
            <stop offset="0%" stopColor={color} stopOpacity="0.8" />
            <stop offset="100%" stopColor={color} stopOpacity="0.1" />
          </linearGradient>
        </defs>
        <path
          d={areaPath}
          fill={`url(#area-gradient-${color.replace('#', '')})`}
          className="ll-chart-widget__area"
        />
        <path d={pathData} fill="none" stroke={color} strokeWidth="2" className="ll-chart-widget__line" />
        {showTooltip &&
          data.map((d, i) => (
            <circle
              key={i}
              cx={xScale(i)}
              cy={yScale(d.value * animationProgress)}
              r={hoveredIndex === i ? 6 : 4}
              fill={color}
              className="ll-chart-widget__point"
              onMouseEnter={(e) => {
                setHoveredIndex(i);
                setTooltipPosition({ x: e.clientX, y: e.clientY });
              }}
              onMouseLeave={() => setHoveredIndex(null)}
            />
          ))}
      </svg>
    );
  };

  const renderLineChart = () => {
    const padding = { top: 10, right: 10, bottom: 10, left: 10 };
    const chartWidth = width - padding.left - padding.right;
    const chartHeight = height - padding.top - padding.bottom;

    const xScale = (i: number) => padding.left + (i / (data.length - 1)) * chartWidth;
    const yScale = (v: number) => padding.top + chartHeight - ((v - minValue) / (maxValue - minValue || 1)) * chartHeight;

    const pathData = data
      .map((d, i) => {
        const x = xScale(i);
        const y = yScale(d.value * animationProgress);
        return `${i === 0 ? 'M' : 'L'} ${x} ${y}`;
      })
      .join(' ');

    return (
      <svg width={width} height={height} className="ll-chart-widget__svg">
        <path d={pathData} fill="none" stroke={color} strokeWidth="2" className="ll-chart-widget__line" />
        {showTooltip &&
          data.map((d, i) => (
            <circle
              key={i}
              cx={xScale(i)}
              cy={yScale(d.value * animationProgress)}
              r={hoveredIndex === i ? 6 : 4}
              fill={color}
              className="ll-chart-widget__point"
              onMouseEnter={(e) => {
                setHoveredIndex(i);
                setTooltipPosition({ x: e.clientX, y: e.clientY });
              }}
              onMouseLeave={() => setHoveredIndex(null)}
            />
          ))}
      </svg>
    );
  };

  const renderBarChart = () => {
    const padding = { top: 10, right: 10, bottom: 10, left: 10 };
    const chartWidth = width - padding.left - padding.right;
    const chartHeight = height - padding.top - padding.bottom;
    const barGap = 0.3;
    const barWidth = (chartWidth / data.length) * (1 - barGap);
    const barSpacing = chartWidth / data.length;

    return (
      <svg width={width} height={height} className="ll-chart-widget__svg">
        {data.map((d, i) => {
          const barHeight = ((d.value / maxValue) * chartHeight * animationProgress);
          const x = padding.left + i * barSpacing + (barSpacing - barWidth) / 2;
          const y = padding.top + chartHeight - barHeight;

          return (
            <rect
              key={i}
              x={x}
              y={y}
              width={barWidth}
              height={barHeight}
              fill={d.color || color}
              rx={2}
              className={`ll-chart-widget__bar ${hoveredIndex === i ? 'll-chart-widget__bar--hovered' : ''}`}
              onMouseEnter={(e) => {
                setHoveredIndex(i);
                setTooltipPosition({ x: e.clientX, y: e.clientY });
              }}
              onMouseLeave={() => setHoveredIndex(null)}
            />
          );
        })}
      </svg>
    );
  };

  const renderSparklineChart = () => {
    const chartHeight = height;
    const xScale = (i: number) => (i / (data.length - 1)) * width;
    const yScale = (v: number) => chartHeight - ((v - minValue) / (maxValue - minValue || 1)) * chartHeight;

    const pathData = data
      .map((d, i) => {
        const x = xScale(i);
        const y = yScale(d.value * animationProgress);
        return `${i === 0 ? 'M' : 'L'} ${x} ${y}`;
      })
      .join(' ');

    return (
      <svg width={width} height={height} className="ll-chart-widget__svg ll-chart-widget__svg--sparkline">
        <path d={pathData} fill="none" stroke={color} strokeWidth="1.5" />
      </svg>
    );
  };

  const renderPieChart = () => {
    const centerX = width / 2;
    const centerY = height / 2;
    const radius = Math.min(centerX, centerY) - 10;
    const innerRadius = type === 'donut' ? radius * 0.6 : 0;

    const total = data.reduce((sum, d) => sum + d.value, 0);
    let currentAngle = -Math.PI / 2;

    const defaultColors = [
      '#2196F3', '#4CAF50', '#FF9800', '#E91E63', '#9C27B0',
      '#00BCD4', '#FF5722', '#795548', '#607D8B', '#3F51B5',
    ];
    const chartColors = colors || defaultColors;

    const slices = data.map((d, i) => {
      const sliceAngle = (d.value / total) * 2 * Math.PI * animationProgress;
      const startAngle = currentAngle;
      const endAngle = currentAngle + sliceAngle;
      currentAngle = endAngle;

      const x1 = centerX + radius * Math.cos(startAngle);
      const y1 = centerY + radius * Math.sin(startAngle);
      const x2 = centerX + radius * Math.cos(endAngle);
      const y2 = centerY + radius * Math.sin(endAngle);

      const ix1 = centerX + innerRadius * Math.cos(startAngle);
      const iy1 = centerY + innerRadius * Math.sin(startAngle);
      const ix2 = centerX + innerRadius * Math.cos(endAngle);
      const iy2 = centerY + innerRadius * Math.sin(endAngle);

      const largeArc = sliceAngle > Math.PI ? 1 : 0;

      const path =
        type === 'donut'
          ? `M ${x1} ${y1} A ${radius} ${radius} 0 ${largeArc} 1 ${x2} ${y2} L ${ix2} ${iy2} A ${innerRadius} ${innerRadius} 0 ${largeArc} 0 ${ix1} ${iy1} Z`
          : `M ${centerX} ${centerY} L ${x1} ${y1} A ${radius} ${radius} 0 ${largeArc} 1 ${x2} ${y2} Z`;

      return (
        <path
          key={i}
          d={path}
          fill={d.color || chartColors[i % chartColors.length]}
          className={`ll-chart-widget__slice ${hoveredIndex === i ? 'll-chart-widget__slice--hovered' : ''}`}
          onMouseEnter={(e) => {
            setHoveredIndex(i);
            setTooltipPosition({ x: e.clientX, y: e.clientY });
          }}
          onMouseLeave={() => setHoveredIndex(null)}
        />
      );
    });

    return (
      <svg width={width} height={height} className="ll-chart-widget__svg">
        {slices}
      </svg>
    );
  };

  return (
    <div className={`ll-chart-widget ${className}`.trim()}>
      {(title || subtitle || header) && (
        <div className="ll-chart-widget__header">
          {header || (
            <>
              {title && <h6 className="ll-chart-widget__title">{title}</h6>}
              {subtitle && <span className="ll-chart-widget__subtitle">{subtitle}</span>}
            </>
          )}
        </div>
      )}
      <div ref={containerRef} className="ll-chart-widget__container">
        {renderChart()}
        {showTooltip && hoveredIndex !== null && (
          <div
            className="ll-chart-widget__tooltip"
            style={{
              position: 'fixed',
              left: tooltipPosition.x + 10,
              top: tooltipPosition.y - 30,
            }}
          >
            {formatter(data[hoveredIndex].value, data[hoveredIndex].label)}
          </div>
        )}
      </div>
      {footer && <div className="ll-chart-widget__footer">{footer}</div>}
    </div>
  );
};

// ============================================================================
// CONTENT WIDGET
// ============================================================================

export const ContentWidget: React.FC<ContentWidgetProps> = ({
  title,
  headerActions,
  children,
  footer,
  noPadding = false,
  className = '',
}) => {
  return (
    <div className={`ll-content-widget ${className}`.trim()}>
      {(title || headerActions) && (
        <div className="ll-content-widget__header">
          {title && <h6 className="ll-content-widget__title">{title}</h6>}
          {headerActions && <div className="ll-content-widget__actions">{headerActions}</div>}
        </div>
      )}
      <div className={`ll-content-widget__body ${noPadding ? 'll-content-widget__body--no-padding' : ''}`}>
        {children}
      </div>
      {footer && <div className="ll-content-widget__footer">{footer}</div>}
    </div>
  );
};

// ============================================================================
// USER WIDGET
// ============================================================================

export const UserWidget: React.FC<UserWidgetProps> = ({
  name,
  role,
  avatar,
  background,
  variant = 'primary',
  details,
  socialLinks,
  actions,
  className = '',
}) => {
  const variantClass = `ll-user-widget--${variant}`;
  const hasBackground = background?.startsWith('http') || background?.startsWith('/') || background?.startsWith('data:');

  return (
    <div className={`ll-user-widget ${variantClass} ${className}`.trim()}>
      <div
        className="ll-user-widget__header"
        style={hasBackground ? { backgroundImage: `url(${background})` } : undefined}
      >
        <div className="ll-user-widget__avatar-wrapper">
          {avatar ? (
            <img src={avatar} alt={name} className="ll-user-widget__avatar" />
          ) : (
            <div className="ll-user-widget__avatar ll-user-widget__avatar--placeholder">
              {name.charAt(0).toUpperCase()}
            </div>
          )}
          {actions && <div className="ll-user-widget__avatar-actions">{actions}</div>}
        </div>
        <h6 className="ll-user-widget__name">{name}</h6>
        {role && <span className="ll-user-widget__role">{role}</span>}
        {socialLinks && socialLinks.length > 0 && (
          <div className="ll-user-widget__social">
            {socialLinks.map((link, i) => (
              <a key={i} href={link.href} className="ll-user-widget__social-link">
                <i className={link.icon} />
              </a>
            ))}
          </div>
        )}
      </div>
      {details && details.length > 0 && (
        <div className="ll-user-widget__details">
          {details.map((detail, i) => (
            <div key={i} className="ll-user-widget__detail">
              <span className="ll-user-widget__detail-label">{detail.label}</span>
              <span className="ll-user-widget__detail-value">{detail.value}</span>
            </div>
          ))}
        </div>
      )}
    </div>
  );
};

// ============================================================================
// MESSAGE LIST WIDGET
// ============================================================================

export const MessageListWidget: React.FC<MessageListWidgetProps> = ({
  title,
  headerExtra,
  messages,
  tabs,
  chart,
  onMessageClick,
  className = '',
}) => {
  const [activeTab, setActiveTab] = useState(tabs?.[0]?.id || '');

  const currentMessages = tabs ? tabs.find((t) => t.id === activeTab)?.messages || [] : messages;

  return (
    <div className={`ll-message-list-widget ${className}`.trim()}>
      {(title || headerExtra) && (
        <div className="ll-message-list-widget__header">
          {title && <h6 className="ll-message-list-widget__title">{title}</h6>}
          {headerExtra && <div className="ll-message-list-widget__header-extra">{headerExtra}</div>}
        </div>
      )}
      {chart && (
        <div className="ll-message-list-widget__chart">
          <ChartWidget {...chart} />
        </div>
      )}
      {tabs && tabs.length > 0 && (
        <div className="ll-message-list-widget__tabs">
          {tabs.map((tab) => (
            <button
              key={tab.id}
              className={`ll-message-list-widget__tab ${activeTab === tab.id ? 'll-message-list-widget__tab--active' : ''}`}
              onClick={() => setActiveTab(tab.id)}
            >
              {tab.label}
            </button>
          ))}
        </div>
      )}
      <div className="ll-message-list-widget__list">
        {currentMessages.map((msg) => (
          <div
            key={msg.id}
            className={`ll-message-list-widget__item ${onMessageClick ? 'll-message-list-widget__item--clickable' : ''}`}
            onClick={() => onMessageClick?.(msg)}
          >
            <div className="ll-message-list-widget__avatar-container">
              {msg.avatar ? (
                <img src={msg.avatar} alt={msg.name} className="ll-message-list-widget__avatar" />
              ) : (
                <div className="ll-message-list-widget__avatar ll-message-list-widget__avatar--placeholder">
                  {msg.name.charAt(0).toUpperCase()}
                </div>
              )}
              {msg.badge !== undefined && msg.badge > 0 && (
                <span className="ll-message-list-widget__badge">{msg.badge}</span>
              )}
              {msg.online !== undefined && (
                <span className={`ll-message-list-widget__status ${msg.online ? 'll-message-list-widget__status--online' : ''}`} />
              )}
            </div>
            <div className="ll-message-list-widget__content">
              <div className="ll-message-list-widget__meta">
                <span className="ll-message-list-widget__name">{msg.name}</span>
                <span className="ll-message-list-widget__time">{msg.time}</span>
              </div>
              <p className="ll-message-list-widget__message">{msg.message}</p>
            </div>
          </div>
        ))}
      </div>
    </div>
  );
};

// ============================================================================
// QUICK STATS GRID
// ============================================================================

export interface QuickStatsProps {
  stats: Array<{
    label: string;
    value: string | number;
    icon?: string;
    variant?: WidgetVariant;
    trend?: { value: number; direction: 'up' | 'down' };
  }>;
  columns?: 2 | 3 | 4;
  className?: string;
}

export const QuickStats: React.FC<QuickStatsProps> = ({
  stats,
  columns = 4,
  className = '',
}) => {
  return (
    <div className={`ll-quick-stats ll-quick-stats--cols-${columns} ${className}`.trim()}>
      {stats.map((stat, i) => (
        <StatWidget
          key={i}
          title={stat.label}
          value={stat.value}
          icon={stat.icon}
          variant={stat.variant}
          trend={stat.trend}
        />
      ))}
    </div>
  );
};

// Default export
export default {
  StatWidget,
  ProgressWidget,
  ChartWidget,
  ContentWidget,
  UserWidget,
  MessageListWidget,
  QuickStats,
  useContainerWidth,
  formatNumber,
};