Modularity and Tests

[nimcoon.git] / lib.nim

import
  htmlparser,
  httpClient,
  osproc,
  sequtils,
  sugar,
  strformat,
  std/[terminal],
  strtabs,
  strutils,
  uri,
  xmltree

import config

type
  SearchResult* = tuple[title: string, url: string]
  CommandLineOptions* = tuple[searchQuery: string, musicOnly: bool, feelingLucky: bool, fullScreen: bool]

proc selectMediaPlayer*(): string =
  let availablePlayers = filterIt(supportedPlayers, execProcess("which " & it).len != 0)
  if len(availablePlayers) == 0:
    stderr.writeLine &"Please install one of the supported media players: {supportedPlayers}"
    raise newException(OSError, "No supported media player found")
  else:
    return availablePlayers[0]

proc getYoutubePage*(searchQuery: string): string =
  let queryParam = encodeUrl(searchQuery)
  let client = newHttpClient()
  let response = get(client, &"https://www.youtube.com/results?hl=en&search_query={queryParam}")
  return $response.body

proc extractTitlesAndUrls*(html: string): seq[SearchResult] =
  parseHtml(html).findAll("a").
    filter(a => "watch" in a.attrs["href"] and a.attrs.hasKey "title").
    map(a => (a.attrs["title"], "https://www.youtube.com" & a.attrs["href"]))[..(limit-1)]

proc presentVideoOptions*(searchResults: seq[SearchResult]) =
  echo ""
  for index, (title, url) in searchResults:
    styledEcho $index, ". ", styleBright, fgMagenta, title, "\n", resetStyle, fgCyan, url, "\n"

proc play*(player: string, args: openArray[string]) =
  # poEchoCmd can be added to options for debugging
  discard execProcess(player, args=args, options={poStdErrToStdOut, poUsePath})
  quit(0)

func urlLongen(url: string): string =
  url.replace("youtu.be/", "www.youtube.com/watch?v=")

func stripZshEscaping(url: string): string =
  url.replace("\\", "")

func sanitizeURL*(url: string): string =
  urlLongen(stripZshEscaping(url))

proc directPlay*(searchQuery: string, player: string) =
  if "watch?" in searchQuery or "videos/watch" in searchQuery or "soundcloud.com" in searchQuery:
    play(player, args=[sanitizeURL(searchQuery)])
  elif searchQuery.startswith("magnet:"):
    play("peerflix", args=[searchQuery, &"--{player}"])