import * as React from 'react';
import { cn } from '@/lib/utils';

/**
 * 标准 shadcn/ui Textarea 组件
 * 遵循 shadcn/ui 规范：纯 textarea 元素 + data-slot + cn 工具
 *
 * 若需 label/error 属性，请使用 LabeledTextarea 组件
 */
const Textarea = React.forwardRef<HTMLTextAreaElement, React.ComponentProps<'textarea'>>(
  ({ className, ...props }, ref) => {
    return (
      <textarea
        data-slot="textarea"
        ref={ref}
        className={cn(
          'placeholder:text-text-placeholder selection:bg-brand selection:text-white',
          'flex min-h-[80px] w-full rounded-md border border-border-primary bg-bg-primary px-3 py-2 text-base',
          'transition-all duration-fast outline-none',
          'disabled:cursor-not-allowed disabled:opacity-50',
          'md:text-sm',
          'focus-visible:border-brand focus-visible:ring-2 focus-visible:ring-brand/30',
          'hover:border-border-secondary',
          'touch-manipulation resize-y',
          className
        )}
        {...props}
      />
    );
  }
);
Textarea.displayName = 'Textarea';

export { Textarea };