import { h, VNode } from "preact";
import { useLayoutEffect, useRef, useState } from "preact/hooks";

export interface TextInputProps {
  label: string;
  grabFocus?: boolean;
  error?: string;
  tooltip?: string;
  bind: [string, (x: string) => void];
}

export function TextInput(props: TextInputProps): VNode {
  const inputRef = useRef<HTMLInputElement>(null);
  useLayoutEffect(() => {
    if (props.grabFocus) {
      inputRef.current?.focus();
    }
  }, [props.grabFocus]);
  const value = props.bind[0];
  const [dirty, setDirty] = useState(false)
  const showError = dirty && props.error
  return (<div class="field">
    <label class="label">
      {props.label}
      {props.tooltip && <span class="icon has-tooltip-right" data-tooltip={props.tooltip}>
        <i class="mdi mdi-information" />
      </span>}
    </label>
    <div class="control has-icons-right">
      <input
        value={value}
        class={showError ? 'input is-danger' : 'input'}
        onChange={(e) => {setDirty(true); props.bind[1]((e.target as HTMLInputElement).value)}}
        ref={inputRef}
        style={{ display: "block" }} />
    </div>
    {showError && <p class="help is-danger">{props.error}</p>}
  </div>
  );
}