module.exports = (async () => {
  const { visit } = await import('unist-util-visit');

  const importPlugin = () => (tree) => {
    let addedImports = false;
    visit(tree, (_, index) => {
      if (!addedImports) {
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import Page from "/src/components/Page";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import Fragments from "/src/components/Fragments";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import FilterContent from "/src/components/FilterContent";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import CodeBlock from "/src/components/CodeBlock";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import Block from "/src/components/Block";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import BlockSwitcher from "/src/components/BlockSwitcher";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import Callout from "/src/components/Callout";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import {Card, CardDetail, CardGraphic} from "/src/components/Card";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import ExternalLink from "/src/components/ExternalLink";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import InternalLink from "/src/components/InternalLink";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import InternalLinkButton from "/src/components/InternalLinkButton";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import Hero from "/src/components/Hero";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import Footer from "/src/components/Footer";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import Container from "/src/components/Container";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import FeatureFlags from "/src/components/FeatureFlags";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import {AmplifyAuthenticator, AmplifySignOut} from "@aws-amplify/ui-react";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import {Grid} from "theme-ui";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import UiComponentProps from "/src/components/UiComponentProps";`
        });
        tree.children.splice(index + 1, 0, {
          type: 'import',
          value: `import MigrationAlert from "/src/components/MigrationAlert";`
        });
        addedImports = true;
      }
    });
  };

  return importPlugin;
})();