'use strict'

const rRepoURL = /^(?:(?:git|https?|git\+https|git\+ssh):\/\/)?(?:[^@]+@)?([^\/]+?)[\/:](.+?)\.git$/ // eslint-disable-line no-useless-escape
const rGithubPage = /\.github\.(io|com)$/

function parseRepo(repo) {
  const split = repo.split(',')
  const url = split.shift()
  let branch = split[0]

  if (!branch && rRepoURL.test(url)) {
    const match = url.match(rRepoURL)
    const host = match[1]
    const path = match[2]

    if (host === 'github.com') {
      branch = rGithubPage.test(path) ? 'master' : 'gh-pages'
    } else if (host === 'coding.net') {
      branch = 'coding-pages'
    }
  }

  return {
    url: url,
    branch: branch || 'master'
  }
}

module.exports = function(args) {
  const repo = args.repo || args.repository
  if (!repo) throw new TypeError('repo is required!')

  if (typeof repo === 'string') {
    const data = parseRepo(repo)
    data.branch = args.branch || data.branch

    return [data]
  }

  const result = Object.keys(repo).map(key => {
    return parseRepo(repo[key])
  })

  return result
}