/**
 * Custom QA Check Script for Crowdin
 * Detects and corrects spacing mistakes in Markdown links
 */

var result = { success: false };

source = crowdin.source.replace(/(?:\r\n|\r)/g, '\n');
translation = crowdin.translation.replace(/(?:\r\n|\r)/g, '\n');

// Regular expression to detect Markdown links
var mdLinkRegex = /\[([^\]]+)\]\((https:\/\/[^\)]+)\)/
// Regular expression to detect spacing mistake in Markdown links
var spacingMistakeRegex = /\[([^\]]+)\]\s+\((https:\/\/[^\)]+)\)/

function hasMarkdownLinks(string) {
  return mdLinkRegex.test(string);
}

function checkForSpacingMistake(string) {
  return spacingMistakeRegex.test(string);
}

// Check if there are Markdown links in the source
var sourceHasMdLinks = hasMarkdownLinks(source);

if (sourceHasMdLinks) {
  // Check for spacing mistake in the translation
  var translationSpacingMistake = checkForSpacingMistake(translation);

  if (translationSpacingMistake) {
    var match = spacingMistakeRegex.exec(translation);
    var correctLink = '[' + match[1] + '](' + match[2] + ')';

    result.message = 'Spacing mistake detected in MD link format';
    result.fixes = [{
      from_pos: match.index,
      to_pos: match.index + match[0].length,
      replacement: correctLink
    }];
  } else {
    result.success = true;
  }
} else {
  result.success = true;
}

return result;