'use strict'

const expandGlobPaths = require('./expand-glob-paths')
const standard = require('standard')
const path = require('path')

const CONFIG = require('../config')

module.exports = function () {
  const globPathsToLint = [
    path.join(CONFIG.repositoryRootPath, 'exports', '**', '*.js'),
    path.join(CONFIG.repositoryRootPath, 'script', '**', '*.js'),
    path.join(CONFIG.repositoryRootPath, 'src', '**', '*.js'),
    path.join(CONFIG.repositoryRootPath, 'static', '*.js')
  ]
  return expandGlobPaths(globPathsToLint).then((paths) => {
    return new Promise((resolve, reject) => {
      standard.lintFiles(paths, (error, lintOutput) => {
        if (error) {
          reject(error)
        } else {
          const errors = []
          for (let result of lintOutput.results) {
            for (let message of result.messages) {
              errors.push({path: result.filePath, lineNumber: message.line, message: message.message, rule: message.ruleId})
            }
          }
          resolve(errors)
        }
      })
    })
  })
}