import { Assertions, Chain, GeneralSteps, Logger, Pipeline } from '@ephox/agar';
import { TinyApis, TinyLoader } from '@ephox/mcagar';
import { Hierarchy, Element } from '@ephox/sugar';
import ExpandRange from 'tinymce/core/fmt/ExpandRange';
import ModernTheme from 'tinymce/themes/modern/Theme';
import { UnitTest } from '@ephox/bedrock';

UnitTest.asynctest('browser.tinymce.core.fmt.ExpandRangeTest', function () {
  const success = arguments[arguments.length - 2];
  const failure = arguments[arguments.length - 1];

  ModernTheme();

  const cSetRawContent = function (html) {
    return Chain.op(function (editor) {
      editor.getBody().innerHTML = html;
    });
  };

  const cExpandRng = function (startPath, startOffset, endPath, endOffset, format, remove) {
    return Chain.mapper(function (editor) {
      const startContainer = Hierarchy.follow(Element.fromDom(editor.getBody()), startPath).getOrDie();
      const endContainer = Hierarchy.follow(Element.fromDom(editor.getBody()), endPath).getOrDie();

      const rng = editor.dom.createRng();
      rng.setStart(startContainer.dom(), startOffset);
      rng.setEnd(endContainer.dom(), endOffset);

      return ExpandRange.expandRng(editor, rng, format, remove);
    });
  };

  const cAssertRange = function (editor, startPath, startOffset, endPath, endOffset) {
    return Chain.op(function (rng) {
      const startContainer = Hierarchy.follow(Element.fromDom(editor.getBody()), startPath).getOrDie();
      const endContainer = Hierarchy.follow(Element.fromDom(editor.getBody()), endPath).getOrDie();

      Assertions.assertDomEq('Should be expected start container', startContainer, Element.fromDom(rng.startContainer));
      Assertions.assertEq('Should be expected start offset', startOffset, rng.startOffset);
      Assertions.assertDomEq('Should be expected end container', endContainer, Element.fromDom(rng.endContainer));
      Assertions.assertEq('Should be expected end offset', endOffset, rng.endOffset);
    });
  };

  TinyLoader.setup(function (editor, onSuccess, onFailure) {
    const tinyApis = TinyApis(editor);
    const inlineFormat = [{ inline: 'b' }];
    const blockFormat = [{ block: 'div' }];
    const selectorFormat = [{ selector: 'div', classes: 'b' }];
    const selectorFormatCollapsed = [{ selector: 'div', classes: 'b', collapsed: true }];

    Pipeline.async({}, [
      tinyApis.sFocus,
      Logger.t('Expand inline format words', GeneralSteps.sequence([
        Logger.t('In middle of single word in paragraph', Chain.asStep(editor, [
          cSetRawContent('<p>ab</p>'),
          cExpandRng([0, 0], 1, [0, 0], 1, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('In middle of single word in paragraph with paragraph siblings', Chain.asStep(editor, [
          cSetRawContent('<p>a</p><p>bc</p><p>de</p>'),
          cExpandRng([1, 0], 1, [1, 0], 1, inlineFormat, false),
          cAssertRange(editor, [], 1, [], 2)
        ])),
        Logger.t('In middle of single word wrapped in b', Chain.asStep(editor, [
          cSetRawContent('<p><b>ab</b></p>'),
          cExpandRng([0, 0, 0], 1, [0, 0, 0], 1, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('In middle of first word', Chain.asStep(editor, [
          cSetRawContent('<p>ab cd</p>'),
          cExpandRng([0, 0], 1, [0, 0], 1, inlineFormat, false),
          cAssertRange(editor, [], 0, [0, 0], 2)
        ])),
        Logger.t('In middle of last word', Chain.asStep(editor, [
          cSetRawContent('<p>ab cd</p>'),
          cExpandRng([0, 0], 4, [0, 0], 4, inlineFormat, false),
          cAssertRange(editor, [0, 0], 3, [], 1)
        ])),
        Logger.t('In middle of middle word', Chain.asStep(editor, [
          cSetRawContent('<p>ab cd ef</p>'),
          cExpandRng([0, 0], 4, [0, 0], 4, inlineFormat, false),
          cAssertRange(editor, [0, 0], 3, [0, 0], 5)
        ])),
        Logger.t('In middle of word with bold siblings expand to sibling spaces', Chain.asStep(editor, [
          cSetRawContent('<p><b>ab </b>cd<b> ef</b></p>'),
          cExpandRng([0, 1], 1, [0, 1], 1, inlineFormat, false),
          cAssertRange(editor, [0, 0, 0], 3, [0, 2, 0], 0)
        ])),
        Logger.t('In middle of word with block sibling and inline sibling expand to sibling space to the right', Chain.asStep(editor, [
          cSetRawContent('<div><p>ab </p>cd<b> ef</b></div>'),
          cExpandRng([0, 1], 1, [0, 1], 1, inlineFormat, false),
          cAssertRange(editor, [0, 1], 0, [0, 2, 0], 0)
        ])),
        Logger.t('In middle of word with block sibling and inline sibling expand to sibling space to the left', Chain.asStep(editor, [
          cSetRawContent('<div><b>ab </b>cd<p> ef</p></div>'),
          cExpandRng([0, 1], 1, [0, 1], 1, inlineFormat, false),
          cAssertRange(editor, [0, 0, 0], 3, [0, 1], 2)
        ])),
        Logger.t('In middle of middle word separated by nbsp characters', Chain.asStep(editor, [
          cSetRawContent('<p>ab\u00a0cd\u00a0ef</p>'),
          cExpandRng([0, 0], 4, [0, 0], 4, inlineFormat, false),
          cAssertRange(editor, [0, 0], 3, [0, 0], 5)
        ])),
        Logger.t('In empty paragraph', Chain.asStep(editor, [
          cSetRawContent('<p><br></p>'),
          cExpandRng([0], 0, [0], 0, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('Fully selected word', Chain.asStep(editor, [
          cSetRawContent('<p>ab</p>'),
          cExpandRng([0, 0], 0, [0, 0], 2, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('Partially selected word', Chain.asStep(editor, [
          cSetRawContent('<p>abc</p>'),
          cExpandRng([0, 0], 1, [0, 0], 2, inlineFormat, false),
          cAssertRange(editor, [0, 0], 1, [0, 0], 2)
        ])),
        Logger.t('Whole word selected wrapped in multiple inlines', Chain.asStep(editor, [
          cSetRawContent('<p><b><i>c</i></b></p>'),
          cExpandRng([0, 0, 0, 0], 0, [0, 0, 0, 0], 1, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('Whole word inside td', Chain.asStep(editor, [
          cSetRawContent('<table><tbody><tr><td>a</td></tr></tbody></table>'),
          cExpandRng([0, 0, 0, 0, 0], 0, [0, 0, 0, 0, 0], 1, inlineFormat, false),
          cAssertRange(editor, [0, 0, 0], 0, [0, 0, 0], 1)
        ])),
        Logger.t('In middle of single word in paragraph (index based)', Chain.asStep(editor, [
          cSetRawContent('<p>ab</p>'),
          cExpandRng([0], 0, [0], 1, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('In middle of single word wrapped in bold in paragraph (index based)', Chain.asStep(editor, [
          cSetRawContent('<p><b>ab</b></p>'),
          cExpandRng([0], 0, [0], 1, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('In middle of word inside bookmark then exclude bookmark', Chain.asStep(editor, [
          cSetRawContent('<p><span data-mce-type="bookmark">ab cd ef</span></p>'),
          cExpandRng([0, 0, 0], 3, [0, 0, 0], 5, inlineFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ]))
      ])),

      Logger.t('Expand inline format words (remove format)', GeneralSteps.sequence([
        Logger.t('In middle of single word in paragraph', Chain.asStep(editor, [
          cSetRawContent('<p>ab</p>'),
          cExpandRng([0, 0], 1, [0, 0], 1, inlineFormat, true),
          cAssertRange(editor, [], 0, [], 1)
        ]))
      ])),

      Logger.t('Expand block format', GeneralSteps.sequence([
        Logger.t('In middle word', Chain.asStep(editor, [
          cSetRawContent('<p>ab cd ef</p>'),
          cExpandRng([0, 0], 4, [0, 0], 4, blockFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('In middle bold word', Chain.asStep(editor, [
          cSetRawContent('<p>ab <b>cd</b> ef</p>'),
          cExpandRng([0, 1, 0], 1, [0, 1, 0], 1, blockFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('Whole word inside td', Chain.asStep(editor, [
          cSetRawContent('<table><tbody><tr><td>a</td></tr></tbody></table>'),
          cExpandRng([0, 0, 0, 0, 0], 0, [0, 0, 0, 0, 0], 1, blockFormat, false),
          cAssertRange(editor, [0, 0, 0], 0, [0, 0, 0], 1)
        ]))
      ])),

      Logger.t('Expand selector format', GeneralSteps.sequence([
        Logger.t('Do not expand if selector does not match', Chain.asStep(editor, [
          cSetRawContent('<p>ab</p>'),
          cExpandRng([0, 0], 1, [0, 0], 1, selectorFormat, false),
          cAssertRange(editor, [0, 0], 1, [0, 0], 1)
        ])),
        Logger.t('Expand since selector matches', Chain.asStep(editor, [
          cSetRawContent('<div>ab</div>'),
          cExpandRng([0, 0], 1, [0, 0], 1, selectorFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('Expand since selector matches non collapsed', Chain.asStep(editor, [
          cSetRawContent('<div>ab</div>'),
          cExpandRng([0, 0], 1, [0, 0], 2, selectorFormat, false),
          cAssertRange(editor, [], 0, [], 1)
        ]))
      ])),

      Logger.t('Expand selector format with collapsed property', GeneralSteps.sequence([
        Logger.t('Expand since selector matches collapsed on collapsed format', Chain.asStep(editor, [
          cSetRawContent('<div>ab</div>'),
          cExpandRng([0, 0], 1, [0, 0], 1, selectorFormatCollapsed, false),
          cAssertRange(editor, [], 0, [], 1)
        ])),
        Logger.t('Expand since selector matches non collapsed on collapsed format', Chain.asStep(editor, [
          cSetRawContent('<div>ab</div>'),
          cExpandRng([0, 0], 1, [0, 0], 2, selectorFormatCollapsed, false),
          cAssertRange(editor, [0, 0], 1, [0, 0], 2)
        ]))
      ]))
    ], onSuccess, onFailure);
  }, {
    plugins: '',
    toolbar: '',
    skin_url: '/project/js/tinymce/skins/lightgray'
  }, success, failure);
});