/**
   * @fileoverview jUnit Reporter
   * @author Jamund Ferguson
   */
  "use strict";
  
  const xmlEscape = require("../util/xml-escape");
  
  //------------------------------------------------------------------------------
  // Helper Functions
  //------------------------------------------------------------------------------
  
  /**
   * Returns the severity of warning or error
   * @param {Object} message message object to examine
   * @returns {string} severity level
   * @private
   */
  function getMessageType(message) {
      if (message.fatal || message.severity === 2) {
          return "Error";
      }
      return "Warning";
  
  }
  
  //------------------------------------------------------------------------------
  // Public Interface
  //------------------------------------------------------------------------------
  
  module.exports = function(results) {
  
      let output = "";
  
      output += "<?xml version=\"1.0\" encoding=\"utf-8\"?>
  ";
      output += "<testsuites>
  ";
  
      results.forEach(result => {
  
          const messages = result.messages;
  
          if (messages.length) {
              output += `<testsuite package="org.eslint" time="0" tests="${messages.length}" errors="${messages.length}" name="${result.filePath}">
  `;
          }
  
          messages.forEach(message => {
              const type = message.fatal ? "error" : "failure";
  
              output += `<testcase time="0" name="org.eslint.${message.ruleId || "unknown"}">`;
              output += `<${type} message="${xmlEscape(message.message || "")}">`;
              output += "<![CDATA[";
              output += `line ${message.line || 0}, col `;
              output += `${message.column || 0}, ${getMessageType(message)}`;
              output += ` - ${xmlEscape(message.message || "")}`;
              output += (message.ruleId ? ` (${message.ruleId})` : "");
              output += "]]>";
              output += `</${type}>`;
              output += "</testcase>
  ";
          });
  
          if (messages.length) {
              output += "</testsuite>
  ";
          }
  
      });
  
      output += "</testsuites>
  ";
  
      return output;
  };