import { Assertions, Chain, Guard, Mouse, NamedChain, Pipeline, UiFinder } from '@ephox/agar';
import { UnitTest } from '@ephox/bedrock';
import { ApiChains, Editor as McEditor, TinyDom, UiChains } from '@ephox/mcagar';

import ImagePlugin from 'tinymce/plugins/image/Plugin';
import ModernTheme from 'tinymce/themes/modern/Theme';
import { Editor } from 'tinymce/core/api/Editor';

UnitTest.asynctest('browser.tinymce.plugins.image.FigureResizeTest', function () {
  const success = arguments[arguments.length - 2];
  const failure = arguments[arguments.length - 1];

  ModernTheme();
  ImagePlugin();

  const cGetBody = Chain.mapper(function (editor: any) {
    return TinyDom.fromDom(editor.getBody());
  });

  const cGetElementSize = Chain.mapper(function (elm: any) {
    const elmStyle = elm.dom().style;
    return { w: elmStyle.width, h: elmStyle.height };
  });

  const cDragHandleRight = function (px) {
    return Chain.op(function (input: any) {
      const dom = input.editor.dom;
      const target = input.resizeSE.dom();
      const pos = dom.getPos(target);

      dom.fire(target, 'mousedown', { screenX: pos.x, screenY: pos.y });
      dom.fire(target, 'mousemove', { screenX: pos.x + px, screenY: pos.y });
      dom.fire(target, 'mouseup');
    });
  };

  const cFillActiveDialog = (json) => Chain.op((editor: Editor) => {
    editor.windowManager.getWindows()[0].fromJSON(json);
  });

  Pipeline.async({}, [
    Chain.asStep({}, [
      McEditor.cFromSettings({
        plugins: 'image',
        toolbar: 'image',
        indent: false,
        image_caption: true,
        height: 400,
        skin_url: '/project/js/tinymce/skins/lightgray'
      }),
      UiChains.cClickOnToolbar('click image button', 'div[aria-label="Insert/edit image"]'),
      cFillActiveDialog({
        src: 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7',
        width: 100,
        height: 100,
        caption: true
      }),
      UiChains.cSubmitDialog(),
      NamedChain.asChain([
        NamedChain.direct(NamedChain.inputName(), Chain.identity, 'editor'),
        NamedChain.direct('editor', cGetBody, 'editorBody'),
        // click the image, but expect the handles on the figure
        NamedChain.direct('editorBody', UiFinder.cFindIn('figure > img'), 'img'),
        NamedChain.direct('img', Mouse.cTrueClick, '_'),
        NamedChain.direct(NamedChain.inputName(), ApiChains.cAssertSelection([], 0, [], 1), '_'),
        NamedChain.direct('editorBody', Chain.control(
          UiFinder.cFindIn('#mceResizeHandlese'),
          Guard.tryUntil('wait for resize handlers', 100, 40000)
        ), '_'),
        // actually drag the handle to the right
        NamedChain.direct('editorBody', UiFinder.cFindIn('#mceResizeHandlese'), 'resizeSE'),
        NamedChain.write('_', cDragHandleRight(100)),
        NamedChain.direct('img', cGetElementSize, 'imgSize'),
        NamedChain.direct('imgSize', Assertions.cAssertEq('asserting image size after resize', { w: '200px', h: '200px' }), '_'),
        NamedChain.output('editor')
      ]),
      McEditor.cRemove
    ])
  ], function () {
    success();
  }, failure);
});
