import { X } from 'lucide-react';
import type { ButtonHTMLAttributes, ReactNode } from 'react';
import { cn } from '../lib/utils';

export function Card({
  children,
  className
}: {
  children: ReactNode;
  className?: string;
}) {
  return <section className={cn('rounded-lg border border-border bg-card shadow-sm', className)}>{children}</section>;
}

export function CardHeader({
  title,
  description,
  action,
  className
}: {
  title: string;
  description?: string;
  action?: ReactNode;
  className?: string;
}) {
  return (
    <div className={cn('flex items-start justify-between gap-4 border-b border-border px-5 py-4', className)}>
      <div className="min-w-0">
        <h2 className="truncate text-sm font-semibold text-foreground">{title}</h2>
        {description ? <p className="mt-1 text-xs leading-5 text-muted-foreground">{description}</p> : null}
      </div>
      {action ? <div className="shrink-0">{action}</div> : null}
    </div>
  );
}

export function Button({
  children,
  variant = 'default',
  className,
  ...props
}: {
  children: ReactNode;
  variant?: 'default' | 'secondary' | 'ghost' | 'outline';
  className?: string;
} & ButtonHTMLAttributes<HTMLButtonElement>) {
  const variants = {
    default: 'bg-primary text-primary-foreground hover:bg-primary/90',
    secondary: 'bg-secondary text-secondary-foreground hover:bg-secondary/80',
    ghost: 'hover:bg-accent hover:text-accent-foreground',
    outline: 'border border-border bg-background hover:bg-accent hover:text-accent-foreground'
  };

  return (
    <button
      type="button"
      {...props}
      className={cn(
        'ui-button inline-flex h-8 items-center justify-center gap-1.5 rounded-md px-2.5 text-[13px] font-medium transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-45',
        variants[variant],
        className
      )}
    >
      {children}
    </button>
  );
}

export function Badge({
  children,
  tone = 'neutral'
}: {
  children: ReactNode;
  tone?: 'neutral' | 'green' | 'amber' | 'red' | 'blue' | 'violet';
}) {
  const tones = {
    neutral: 'border-border bg-muted text-muted-foreground',
    green: 'border-emerald-500/30 bg-emerald-500/10 text-emerald-300',
    amber: 'border-amber-500/30 bg-amber-500/10 text-amber-300',
    red: 'border-rose-500/30 bg-rose-500/10 text-rose-300',
    blue: 'border-sky-500/30 bg-sky-500/10 text-sky-300',
    violet: 'border-violet-500/30 bg-violet-500/10 text-violet-300'
  };

  return (
    <span className={cn('inline-flex items-center rounded-md border px-2 py-0.5 text-xs font-medium', tones[tone])}>
      {children}
    </span>
  );
}

export function Progress({ value, tone = 'primary' }: { value: number; tone?: 'primary' | 'green' | 'amber' | 'red' }) {
  const tones = {
    primary: 'bg-primary',
    green: 'bg-emerald-400',
    amber: 'bg-amber-400',
    red: 'bg-rose-400'
  };

  return (
    <div className="h-2 overflow-hidden rounded-full bg-muted">
      <div className={cn('h-full rounded-full', tones[tone])} style={{ width: `${Math.min(value, 100)}%` }} />
    </div>
  );
}

export function Modal({
  open,
  title,
  children,
  footer,
  onClose,
  className
}: {
  open: boolean;
  title: ReactNode;
  children: ReactNode;
  footer?: ReactNode;
  onClose: () => void;
  className?: string;
}) {
  if (!open) return null;

  return (
    <div className="fixed inset-0 z-50 flex items-center justify-center bg-background/55 px-4 py-8 backdrop-blur-[2px]">
      <div className={cn('w-full max-w-lg overflow-hidden rounded-lg border border-border bg-card shadow-xl', className)}>
        <div className="flex items-center justify-between border-b border-border px-5 py-4">
          <h2 className="text-sm font-semibold text-foreground">{title}</h2>
          <button
            type="button"
            className="flex size-8 items-center justify-center rounded-md text-muted-foreground transition-colors hover:bg-muted hover:text-foreground"
            onClick={onClose}
            aria-label="닫기"
          >
            <X className="size-4" />
          </button>
        </div>
        <div className="max-h-[70vh] overflow-y-auto px-5 py-5">{children}</div>
        {footer ? <div className="flex justify-end gap-2 border-t border-border px-5 py-4">{footer}</div> : null}
      </div>
    </div>
  );
}