const { readFile } = require("fs/promises");
const { resolve } = require("path");
const { strictEqual } = require("assert");

const { init, renderHtml } = require("../lib/orgize.umd");

const assert = (org, html) => strictEqual(renderHtml(org), html);

readFile(resolve(__dirname, "../lib/orgize_bg.wasm"))
  .then((bytes) => new WebAssembly.Module(bytes))
  .then((module) => init(module))
  .then(() => {
    assert(
      "*bold*, /italic/,\n_underlined_, =verbatim= and ~code~",
      "<main><section><p><b>bold</b>, <i>italic</i>,\n<u>underlined</u>, " +
        "<code>verbatim</code> and <code>code</code></p></section></main>"
    );

    assert(
      "Visit[[http://example.com][link1]]or[[http://example.com][link1]].",
      `<main><section><p>Visit<a href="http://example.com">link1</a>or<a href="http://example.com">link1</a>.</p></section></main>`
    );

    assert(
      `
* title 1
section 1
** title 2
section 2
* title 3
section 3
* title 4
section 4
`,
      "<main><h1>title 1</h1><section><p>section 1</p></section>" +
        "<h2>title 2</h2><section><p>section 2</p></section>" +
        "<h1>title 3</h1><section><p>section 3</p></section>" +
        "<h1>title 4</h1><section><p>section 4</p></section></main>"
    );

    assert(
      `
+ 1

+ 2

  - 3

  - 4

+ 5
`,
      "<main><section><ul>" +
        "<li><p>1</p></li>" +
        "<li><p>2</p><ul><li><p>3</p></li><li><p>4</p></li></ul></li>" +
        "<li><p>5</p></li>" +
        "</ul></section></main>"
    );

    assert(
      "@@html:<del>@@delete this@@html:</del>@@",
      "<main><section><p><del>delete this</del></p></section></main>"
    );

    assert(
      `
* title

paragraph 1

paragraph 2

paragraph 3

paragraph 4
`,
      "<main><h1>title</h1><section>" +
        "<p>paragraph 1</p><p>paragraph 2</p>" +
        "<p>paragraph 3</p><p>paragraph 4</p>" +
        "</section></main>"
    );
  });