import { h } from 'preact';
import { useCallback, useState } from 'preact/hooks';

export function Tabs({ children, selectedIndex: selectedIndexProp, onChange, className }) {
  const [selectedIndex, setSelectedIndex] = useState(selectedIndexProp);

  const handleSelected = useCallback(
    (index) => () => {
      setSelectedIndex(index);
      onChange && onChange(index);
    },
    [onChange]
  );

  const RenderChildren = useCallback(() => {
    return children.map((child, i) => {
      child.props.selected = i === selectedIndex;
      child.props.onClick = handleSelected(i);
      return child;
    });
  }, [selectedIndex, children, handleSelected]);

  return (
    <div className={`flex ${className}`}>
      <RenderChildren />
    </div>
  );
}

export function TextTab({ selected, text, onClick, disabled }) {
  const selectedStyle = disabled
    ? 'text-gray-400 dark:text-gray-600 bg-transparent'
    : selected
      ? 'text-white bg-blue-500 dark:text-black dark:bg-white'
      : 'text-black dark:text-white bg-transparent';
  return (
    <button onClick={onClick} disabled={disabled} className={`rounded-full px-4 py-2 ${selectedStyle}`}>
      <span>{text}</span>
    </button>
  );
}