import "jest";
import { JSDOM } from "jsdom";
import * as parse from "../parse";
import { buildNode, DovetailNodeFactory } from "./buildEditorState";
import "./expect.toMatchNode";

describe(parse.parseText.name, () => {
  function test(text: string, expected: DovetailNodeFactory) {
    expect(parse.parseText(text)).toMatchNode(buildNode(expected).node);
  }

  it("empty", () => {
    test("", ({ doc, p }) => doc(p()));
  });

  it("unicode", () => {
    test("üøö🎉🎁🇦🇺", ({ doc, p }) => doc(p("üøö🎉🎁🇦🇺")));
  });

  const scenarios = [{ name: "CRLF", EOL: "\r\n" }, { name: "LF", EOL: "\n" }];

  for (const { name, EOL } of scenarios) {
    describe(name, () => {
      it("single line", () => {
        test("foo", ({ doc, p }) => doc(p("foo")));
      });

      it("two paragraphs", () => {
        test(`foo${EOL}${EOL}bar`, ({ doc, p }) => doc(p("foo"), p("bar")));
      });

      it("two paragraphs (double blank line separation)", () => {
        test(`foo${EOL}${EOL}${EOL}bar`, ({ doc, p }) => doc(p("foo"), p("bar")));
      });

      it("three paragraphs (middle empty)", () => {
        test(`foo${EOL}${EOL}${EOL}${EOL}${EOL}bar`, ({ doc, p }) => doc(p("foo"), p(), p("bar")));
      });

      it("two lines", () => {
        test(`foo${EOL}bar`, ({ doc, br, p }) => doc(p("foo", br(), "bar")));
      });

      it("trims trailing new lines from paragraphs", () => {
        test(`foo${EOL}`, ({ doc, p }) => doc(p("foo")));
      });
    });
  }
});

describe(parse.parseHtml.name, () => {
  function test(html: string, expected: DovetailNodeFactory) {
    expect(parse.parseHtml(new JSDOM(html).window.document.documentElement)).toMatchNode(buildNode(expected).node);
  }

  it("bold text", () => {
    test("<b>foo</b>", ({ doc, b, p }) => doc(p(b("foo"))));
  });
});