'use strict'

module.exports = function parseURI (str, opts) {
  opts = opts || {}

  var o = {
    key: ['source', 'protocol', 'authority', 'userInfo', 'user', 'password', 'host', 'port', 'relative', 'path', 'directory', 'file', 'query', 'anchor'],
    q: {
      name: 'queryKey',
      parser: /(?:^|&)([^&=]*)=?([^&]*)/g
    },
    parser: {
      strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
      loose: /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
    }
  }

  var m = o.parser[opts.strictMode ? 'strict' : 'loose'].exec(str)
  var uri = {}
  var i = 14

  while (i--) uri[o.key[i]] = m[i] || ''

  uri[o.q.name] = {}
  uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
    if ($1) uri[o.q.name][$1] = $2
  })

  return uri
}