// React and component imports
import { useEffect, useState } from "react";
import InvestorInfo from "./InvestorInfo.js";

// CSS import
import '../css/UserCheckin.css';
import Hub from "./HubList.js";
import Search from "./HubSearch.js";

/**
 * Component that build the checkin list and displays checkin info.
 * @returns {import('react').HtmlHTMLAttributes} A div with the hubs 
 * in a vertical layout.
 */
function HubSearch(props) {
  const [queryString, setQueryString] = useState("");
  const [displayedItems, setDisplayedItems] = useState([]);

  /**
   * Method that determines whehter the Hub should be showed.
   * @returns {Boolean} True if to be shown, false if not.
   */
  const toInclude = (holder) => {
    // TODO: add number search or differentiate between it
    // TODO: add sus score range....
    const matchingId = queryString.toLowerCase().includes(holder?.id ?? "");
    const matchingName = queryString.toLowerCase().includes(holder?.name ?? "");
    return matchingId || matchingName;
  }

  /**
   * Filters the items to be shown, then created the iteams and sets the state with the items.
   */
  const filterItems = () => {
    const criteria = props.data.filter(holder => toInclude(holder));
    setDisplayedItems(criteria.map(hub => <Hub key={hub.id} id={hub.id} name={hub.name} value={hub.suspicionScore} setSelected={props.setSelected}></Hub>))
  }

  /**
   * Hook to update the items on change of the search string.
   */
  useEffect(() => filterItems(), [queryString]);

  // TODO: maybe have a quick explanation of what search gives...
  // TODO: have number of ceos that make it...
  // TODO: weighted search or sort after search....
  // TODO: highlight part of string that matched...
  return (
    <div className="User-checkin">
      <div className="Checkins">
        <h2>Search</h2>
        <input type="text" onChange={(e) => setQueryString(e.value)}></input>
        <ul className='Checkin-list'>{displayedItems}</ul>;
      </div>
    </div>
  );
}

export default HubSearch;