function parseMd(content) {
  var blockArray = [{title: ''}];
  var blockCount;
  var preDataIndex, imgDataIndex;
  var parseBlockDiv;
  var preImg, preImgObject;
  var preImgObject = {'image': {}}
  var isNotFrontMatterCount = 0;
  var isAmpImgRange = false;
  for (const line of content.split('\n')) {
    if (isNotFrontMatterCount < 2) {
        if (line.includes('---')) {
        isNotFrontMatterCount += 1;
      }
      continue;
    }

    if (isAmpImgRange === true && !(line.includes('</amp-img>'))) {
      imgParamObject = parseAmpImg(line);
      preImgObject.image = {...preImgObject.image, ...imgParamObject};
      const key = _.get(_.keys(imgParamObject), 0);
      preImg.setAttribute(key, _.get(imgParamObject, `${key}`));
      continue;
    }

    if (line.includes('##')) {
      preDataIndex = 0;
      blockCount = blockCount + 1 | 0;
      const preBlockindex = blockCount;
      const {blockDiv, h, titleInput, inputButton, descButton, imgButton} = getBlockElements(contentDiv);
      parseBlockDiv = blockDiv;
      const title = parseTitle(line);
      blockArray[preBlockindex] = {title: title};
      h.textContent = title;
      inputButton.onclick = function() {
        const title = titleInput.value;
        blockArray[preBlockindex].title = title;
        h.textContent = title;
      }
      descButton.onclick = function() {
        const ownDataIndex = blockArray[preBlockindex].data.length;
        const {p, descTextArea, descInputButton} = getdescElements(blockDiv);
        descInputButton.onclick = function() {
          blockArray = handleDescInputClick(p, descTextArea.value, blockArray, preBlockindex, ownDataIndex);
        }
      }
      imgButton.onclick = function() {
        const imgDataIndex = blockArray[preBlockindex].data.length;
        const {img, imgInput, widthInput, heightInput, imgInputButton} = getImgElements(blockDiv);
        imgInputButton.onclick = function() {
          const imgObject = {image: {src: imgInput.value,
                                     height: heightInput.value,
                                     width: widthInput.value,
                                     alt: 'image field',
                                     layout: 'responsive'}};
          blockArray = handleImgInputClick(img, imgObject, blockArray, preBlockindex, imgDataIndex);
        }
      }
    } else if (line.includes('amp-img')) {
      const preBlockindex = blockCount;
      if (line.includes('</amp-img>')) {
        blockArray = addDataToBlockArray(preImgObject, blockArray, preBlockindex, imgDataIndex);
        isAmpImgRange = false;
        continue;
      }
      imgDataIndex = preDataIndex;
      preDataIndex += 1;
      isAmpImgRange = true;
      const {img, imgInput, widthInput, heightInput, imgInputButton} = getImgElements(parseBlockDiv);
      preImg = img;
      imgInputButton.onclick = function() {
        const imgObject = {image: {src: imgInput.value,
                                   height: heightInput.value,
                                   width: widthInput.value,
                                   alt: 'image field',
                                   layout: 'responsive'}};
        blockArray = handleImgInputClick(img, imgObject, blockArray, preBlockindex, imgDataIndex);
      }
    } else {
      const preBlockindex = blockCount;
      const ownDataIndex = preDataIndex;
      preDataIndex += 1;
      const {p, descTextArea, descInputButton} = getdescElements(parseBlockDiv);
      const text = line;
      p.textContent = text;
      blockArray = addDataToBlockArray({description: {text: text}}, blockArray, preBlockindex, ownDataIndex);
      descInputButton.onclick = function() {
        blockArray = handleDescInputClick(p, descTextArea.value, blockArray, preBlockindex, ownDataIndex);
      }
    }
  }
  return {blockArray: blockArray, blockCount: blockCount}
}

const parseTitle = line => {
  var title = '';
  title = line.replace('## **', '');
  title = title.replace('**', '');
  return title;
};

const parseAmpImg = line => {
  if (line.includes('alt')) {
    const altParameter = line.replace(/alt=|"/g, '');
    return {alt: altParameter};
  } else if (line.includes('src')) {
    const srcParameter = line.replace(/src=|"/g, '');
    return {src: srcParameter};
  } else if (line.includes('height')) {
    const heightParameter = line.replace(/height=|"/g, '');
    return {height: heightParameter};
  } else if (line.includes('width')) {
    const widthParameter = line.replace(/width=|"/g, '');
    return {width: widthParameter};
  } else if (line.includes('layout')) {
    const layoutParameter = line.replace(/layout=|"|>/g, '');                             
  }
}

function handleDescInputClick(p, desc, blockArray, blockIndex, ownDataIndex) {
  p.textContent = desc;
  return addDataToBlockArray({description: {text: desc}}, blockArray, blockIndex, ownDataIndex)
}

function handleImgInputClick(img, imgObject, blockArray, blockIndex, ownDataIndex) {
  img.setAttribute('src', _.get(imgObject, 'image.src'));
  img.setAttribute('width', _.get(imgObject, 'image.width'));
  img.setAttribute('height', _.get(imgObject, 'image.height'));
  img.setAttribute('alt', _.get(imgObject, 'image.alt'));
  return addDataToBlockArray(imgObject, blockArray, blockIndex, ownDataIndex)
}