<div id="root"></div>

@use postcss-preset-env {
  stage: 1;
}


* {
  box-sizing: inherit;
}

html {
  box-sizing: border-box;
}

body {
  background-color: #cdc3fd;
  font-family: sans-serif;
  line-height: 1.5;
  margin: 0;
}

#root {
  display: grid;
  min-block-size: 100vh;
  padding: max(8em, 5vmin);
  place-items: center;
}

.grid {
  inline-size: 90%;
  margin-inline: auto;
  max-inline-size: 600px;
}

button {
  background: none;
  border: 0;
  font: inherit;
  margin: 0;
  padding: 0;
}

input {
  border: 0;
  font: inherit;
  inline-size: 100%;
  margin: 0;
  padding: 0;
}

img {
  block-size: auto;
  max-inline-size: 100%;
  vertical-align: middle;
}

.emojies {
  display: grid;
   grid-template-columns: repeat(auto-fill, minmax(8em, 1fr));
  list-style: none;
  margin: 0;
  gap: 0.5em;
  padding: 0;
}

.emoji {
  aspect-ratio: 1/1;
  background-color: #fff;
  border-radius: 1em;
  display: grid;
  place-items: center;
  padding: 0.5em;
}

.search {
  top: 1.5em;
  left: 1.5em;
  right: 1.5em;
  position: fixed;
}

.form {
  border-radius: 2em;
  display: flex;
  overflow: hidden;
}

.form__field {
  flex: 1;
  padding: 1.5em;
}

.form__button {
  background-color: #947efc;
  color: #fff;
  padding: 1.5em;
}

import {
  Field,
  Form,
  Formik,
  useFormikContext
} from "https://esm.run/formik@2";
import Fuse from "https://esm.run/fuse.js@6";
import debounce from "https://esm.run/lodash@4/debounce";
import React, {
  useCallback,
  useEffect,
  useState
} from "https://esm.run/react@17";
import { render } from "https://esm.run/react-dom@17";
import {
  QueryClient,
  QueryClientProvider,
  useQuery
} from "https://esm.run/react-query@3";

const queryClient = new QueryClient();

function AutoSave(props) {
  const { debounceMs } = props;
  const formik = useFormikContext();
  const debouncedSubmit = useCallback(
    debounce(() => formik.submitForm(), debounceMs),
    [debounceMs, formik.submitForm]
  );

  useEffect(() => {
    debouncedSubmit();
  }, [debouncedSubmit, formik.values]);

  return null;
}

function Search(props) {
  const { initialValues, onSubmit } = props;

  return (
    <Formik initialValues={initialValues} onSubmit={onSubmit}>
      {({ isSubmitting }) => (
        <Form className="form search">
          <AutoSave debounceMs={300} />
          <Field name="query" placeholder="search …" className="form__field" />
          <button
            type="submit"
            disabled={isSubmitting}
            className="form__button"
          >
            search
          </button>
        </Form>
      )}
    </Formik>
  );
}

function Emoji(props) {
  return (
    <div className="emoji">
      <img {...props} />
    </div>
  );
}

function Emojies(props) {
  const { emojies } = props;

  return (
    <ol className="emojies">
      {emojies.map((emoji) => (
        <li>
          <Emoji {...emoji} />
        </li>
      ))}
    </ol>
  );
}

function Loader() {
  return <div>Loading …</div>;
}

function App() {
  const [query, setQuery] = useState("smile");

  const { isLoading, error, data } = useQuery("emojies", () =>
    fetch("https://api.github.com/emojis").then((response) => response.json())
  );

  if (isLoading) {
    return <Loader />;
  }

  if (error) {
    return <div>Error {error}</div>;
  }

  const fuse = new Fuse(Object.keys(data), {
    includeScore: true
  });
  const results = fuse.search(query);

  function onSubmit(values, { setSubmitting }) {
    setQuery(values.query);
    setSubmitting(false);
  }

  return (
    <div className="grid">
      <Search
        initialValues={{
          query
        }}
        onSubmit={onSubmit}
      />
      <Emojies
        emojies={results
          .filter((result) => result.score < 0.3)
          .map((result) => ({
            src: data[result.item],
            alt: result.item
          }))}
      />
    </div>
  );
}

function Root() {
  return (
    <QueryClientProvider client={queryClient}>
      <App />
    </QueryClientProvider>
  );
}

render(<Root />, document.getElementById("root"));