import styled from "styled-components";
import React from "react";
import ReactDOM from "react-dom";

const ErrorScreenRoot = styled.div`
  font-family: "Muli", -apple-system, BlinkMacSystemFont, Helvetica, Arial,
    sans-serif;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #fff;
  text-align: center;
  background-color: #0b2988;
  color: #fff;
  font-family: "Muli", -apple-system, BlinkMacSystemFont, Helvetica, Arial,
    sans-serif;
  line-height: 1.5em;

  & > p {
    margin-top: 10px;
  }

  & a {
    color: inherit;
  }
`;

export function test() {
  const reactEl = document.createElement("div");
  document.body.appendChild(reactEl);
  ReactDOM.render(
    <ErrorScreenRoot id="error-el">
      The react child should have this text
    </ErrorScreenRoot>,
    reactEl
  );

  const style = document.querySelector("style[data-styled]");
  console.assert(style, "style tag should exist");
  console.assert(
    style.textContent.split("").every((a) => a.codePointAt(0) < 128),
    "style tag should not contain invalid unicode codepoints"
  );
  console.assert(
    document.querySelector("#error-el").textContent ===
      "The react child should have this text"
  );

  ReactDOM.unmountComponentAtNode(reactEl);
  reactEl.remove();
  style.remove();
  testDone(import.meta.url);
}
