import { $createLinkNode } from "@lexical/link";
import { $createListItemNode, $createListNode } from "@lexical/list";
import { LexicalComposer } from "@lexical/react/LexicalComposer";
import { $createHeadingNode, $createQuoteNode } from "@lexical/rich-text";
import { $createParagraphNode, $createTextNode, $getRoot } from "lexical";

import { SettingsContext, useSettings } from "./context/SettingsContext";
import { SharedAutocompleteContext } from "./context/SharedAutocompleteContext";
import { SharedHistoryContext } from "./context/SharedHistoryContext";
import Editor from "./Editor";
import logo from "./images/logo.svg";
import PlaygroundNodes from "./nodes/PlaygroundNodes";
import PasteLogPlugin from "./plugins/PasteLogPlugin";
import TestRecorderPlugin from "./plugins/TestRecorderPlugin";
import TypingPerfPlugin from "./plugins/TypingPerfPlugin";
import Settings from "./Settings";
import PlaygroundEditorTheme from "./themes/PlaygroundEditorTheme";

console.warn(
  "If you are profiling the playground app, please ensure you turn off the debug view. You can disable it by pressing on the settings control in the bottom-left of your screen and toggling the debug view setting.",
);

function prepopulatedRichText() {
  const root = $getRoot();
  if (root.getFirstChild() === null) {
    const heading = $createHeadingNode("h1");
    heading.append($createTextNode("Welcome to the playground"));
    root.append(heading);
    const quote = $createQuoteNode();
    quote.append(
      $createTextNode(
        `In case you were wondering what the black box at the bottom is – it's the debug view, showing the current state of editor. ` +
          `You can disable it by pressing on the settings control in the bottom-left of your screen and toggling the debug view setting.`,
      ),
    );
    root.append(quote);
    const paragraph = $createParagraphNode();
    paragraph.append(
      $createTextNode("The playground is a demo environment built with "),
      $createTextNode("@lexical/react").toggleFormat("code"),
      $createTextNode("."),
      $createTextNode(" Try typing in "),
      $createTextNode("some text").toggleFormat("bold"),
      $createTextNode(" with "),
      $createTextNode("different").toggleFormat("italic"),
      $createTextNode(" formats."),
    );
    root.append(paragraph);
    const paragraph2 = $createParagraphNode();
    paragraph2.append(
      $createTextNode(
        "Make sure to check out the various plugins in the toolbar. You can also use #hashtags or @-mentions too!",
      ),
    );
    root.append(paragraph2);
    const paragraph3 = $createParagraphNode();
    paragraph3.append(
      $createTextNode(`If you'd like to find out more about Lexical, you can:`),
    );
    root.append(paragraph3);
    const list = $createListNode("bullet");
    list.append(
      $createListItemNode().append(
        $createTextNode(`Visit the `),
        $createLinkNode("https://lexical.dev/").append(
          $createTextNode("Lexical website"),
        ),
        $createTextNode(` for documentation and more information.`),
      ),
      $createListItemNode().append(
        $createTextNode(`Check out the code on our `),
        $createLinkNode("https://github.com/facebook/lexical").append(
          $createTextNode("GitHub repository"),
        ),
        $createTextNode(`.`),
      ),
      $createListItemNode().append(
        $createTextNode(`Playground code can be found `),
        $createLinkNode(
          "https://github.com/facebook/lexical/tree/main/packages/lexical-playground",
        ).append($createTextNode("here")),
        $createTextNode(`.`),
      ),
      $createListItemNode().append(
        $createTextNode(`Join our `),
        $createLinkNode("https://discord.com/invite/KmG4wQnnD9").append(
          $createTextNode("Discord Server"),
        ),
        $createTextNode(` and chat with the team.`),
      ),
    );
    root.append(list);
    const paragraph4 = $createParagraphNode();
    paragraph4.append(
      $createTextNode(
        `Lastly, we're constantly adding cool new features to this playground. So make sure you check back here when you next get a chance :).`,
      ),
    );
    root.append(paragraph4);
  }
}

function App(): JSX.Element {
  const {
    settings: { isCollab, emptyEditor, measureTypingPerf },
  } = useSettings();

  const initialConfig = {
    editorState: isCollab
      ? null
      : emptyEditor
      ? undefined
      : prepopulatedRichText,
    namespace: "Playground",
    nodes: [...PlaygroundNodes],
    onError: (error: Error) => {
      throw error;
    },
    theme: PlaygroundEditorTheme,
  };

  return (
    <LexicalComposer initialConfig={initialConfig}>
      <SharedHistoryContext>
        <SharedAutocompleteContext>
          <header>
            <a
              href="https://lexical.dev"
              target="_blank"
              rel="noopener noreferrer">
              <img src={logo} alt="Lexical Logo" />
            </a>
          </header>
          <div className="editor-shell">
            <Editor />
          </div>
          <Settings />
          <PasteLogPlugin />
          <TestRecorderPlugin />
          <TypingPerfPlugin />
        </SharedAutocompleteContext>
      </SharedHistoryContext>
    </LexicalComposer>
  );
}

export default function PlaygroundApp(): JSX.Element {
  return (
    <SettingsContext>
      <App />
      <a
        href="https://github.com/facebook/lexical/tree/main/packages/lexical-playground"
        className="github-corner"
        aria-label="View source on GitHub">
        <svg
          width="80"
          height="80"
          viewBox="0 0 250 250"
          style={{
            border: "0",
            color: "#eee",
            fill: "#222",
            left: "0",
            position: "absolute",
            top: "0",
            transform: "scale(-1,1)",
          }}
          aria-hidden="true">
          <path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z" />
          <path
            d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
            fill="currentColor"
            style={{
              transformOrigin: "130px 106px",
            }}
            className="octo-arm"
          />
          <path
            d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z"
            fill="currentColor"
            className="octo-body"
          />
        </svg>
      </a>
    </SettingsContext>
  );
}