import React from 'react';
import { clsx } from 'clsx';

export interface ProgressProps extends React.HTMLAttributes<HTMLDivElement> {
  value: number;
  max?: number;
  showLabel?: boolean;
  size?: 'sm' | 'md' | 'lg';
  variant?: 'default' | 'success' | 'warning' | 'error';
  animated?: boolean;
}

/**
 * Progress bar component
 */
export const Progress = React.forwardRef<HTMLDivElement, ProgressProps>(
  (
    {
      value,
      max = 100,
      showLabel = false,
      size = 'md',
      variant = 'default',
      animated = false,
      className,
      ...props
    },
    ref
  ) => {
    const percentage = Math.min(Math.max((value / max) * 100, 0), 100);

    const sizeClasses = {
      sm: 'h-1',
      md: 'h-2',
      lg: 'h-3',
    };

    const variantClasses = {
      default: 'bg-primary',
      success: 'bg-success',
      warning: 'bg-warning',
      error: 'bg-destructive',
    };

    return (
      <div
        ref={ref}
        className={clsx('w-full', className)}
        role="progressbar"
        aria-valuenow={value}
        aria-valuemin={0}
        aria-valuemax={max}
        {...props}
      >
        {showLabel && (
          <div className="flex justify-between items-center mb-1">
            <span className="text-sm text-muted-foreground">Progress</span>
            <span className="text-sm font-medium text-foreground">{Math.round(percentage)}%</span>
          </div>
        )}
        <div className={clsx('w-full bg-muted rounded-full overflow-hidden', sizeClasses[size])}>
          <div
            className={clsx(
              'h-full rounded-full transition-all duration-300',
              variantClasses[variant],
              {
                'animate-pulse': animated,
              }
            )}
            style={{ width: `${percentage}%` }}
          />
        </div>
      </div>
    );
  }
);
Progress.displayName = 'Progress';