import React from 'react';
import { clsx } from 'clsx';
import Checkbox from './Checkbox';

export interface CheckboxOption {
  value: string;
  label: string;
  description?: string;
  disabled?: boolean;
}

export interface CheckboxGroupProps {
  options: CheckboxOption[];
  value?: string[];
  onChange?: (value: string[]) => void;
  name: string;
  className?: string;
  orientation?: 'horizontal' | 'vertical';
  label?: string;
  description?: string;
  error?: string;
}

/**
 * Checkbox group component
 */
export const CheckboxGroup = ({
  options,
  value = [],
  onChange,
  name,
  className,
  orientation = 'vertical',
  label,
  description,
  error,
}: CheckboxGroupProps) => {
  const handleChange = (optionValue: string, checked: boolean) => {
    if (!onChange) return;

    if (checked) {
      onChange([...value, optionValue]);
    } else {
      onChange(value.filter((v) => v !== optionValue));
    }
  };

  return (
    <div className={clsx('flex flex-col gap-2', className)}>
      {label && (
        <label className="text-sm font-medium text-foreground">{label}</label>
      )}
      {description && (
        <p className="text-xs text-muted-foreground">{description}</p>
      )}
      <div
        className={clsx('flex gap-4', {
          'flex-col': orientation === 'vertical',
          'flex-row flex-wrap': orientation === 'horizontal',
        })}
        role="group"
        aria-labelledby={label ? `${name}-label` : undefined}
      >
        {options.map((option) => (
          <label
            key={option.value}
            className={clsx(
              'flex items-start gap-3 cursor-pointer',
              'group',
              {
                'opacity-50 cursor-not-allowed': option.disabled,
              }
            )}
          >
            <Checkbox
              name={name}
              value={option.value}
              checked={value.includes(option.value)}
              onChange={(e) => {
                if (!option.disabled) {
                  handleChange(option.value, e.target.checked);
                }
              }}
              disabled={option.disabled}
              className="mt-0.5"
            />
            <div className="flex flex-col">
              <span
                className={clsx('text-sm font-medium', {
                  'text-muted-foreground': option.disabled,
                })}
              >
                {option.label}
              </span>
              {option.description && (
                <span
                  className={clsx('text-xs text-muted-foreground mt-0.5', {
                    'opacity-70': option.disabled,
                  })}
                >
                  {option.description}
                </span>
              )}
            </div>
          </label>
        ))}
      </div>
      {error && (
        <p className="text-sm text-destructive" role="alert">
          {error}
        </p>
      )}
    </div>
  );
};