Get rid of all global state mutation

[nimcoon.git] / clitube.nim

diff --git a/clitube.nim b/clitube.nim
index 89e863cb5bdf8af381fb44cbf9ac0f3dc466b8ba..b15d5a9a47756692adf75feb416a4e5efee5c019 100644 (file)
--- a/clitube.nim
+++ b/clitube.nim
@@ -1,22 +1,22 @@
-import htmlparser
-import httpClient
-import os
-import osproc
-import sequtils, sugar
-import strformat
-import std/[terminal]
-import strtabs
-import strutils
-import uri
-import xmltree
-
-# Supported video players in order of preference
-let supportedPlayers = ["mpv", "vlc"]
-
-# Only show these many results
-let limit = 10
-
-type SearchResult = tuple[title: string, url: string]
+import
+  htmlparser,
+  httpClient,
+  parseopt,
+  osproc,
+  sequtils,
+  sugar,
+  strformat,
+  std/[terminal],
+  strtabs,
+  strutils,
+  uri,
+  xmltree
+
+import preferences
+
+type
+  SearchResult = tuple[title: string, url: string]
+  CommandLineOptions = tuple[searchQuery: string, musicOnly: bool, feelingLucky: bool]
 
 proc selectMediaPlayer(): string =
   let availablePlayers = filterIt(supportedPlayers, execProcess("which " & it).len != 0)
@@ -26,6 +26,25 @@ proc selectMediaPlayer(): string =
   else:
     return availablePlayers[0]
 
+proc parseOptions(): CommandLineOptions =
+  var
+    searchQuery = ""
+    musicOnly = false
+    feelingLucky = false
+
+  for kind, key, value in getopt():
+    case kind
+    of cmdArgument:
+      searchQuery = key
+    of cmdShortOption, cmdLongOption:
+      case key
+      of "m", "music": musicOnly = true
+      of "l", "lucky": feelingLucky = true
+    of cmdEnd:
+      discard
+
+  return (searchQuery, musicOnly, feelingLucky)
+
 proc getYoutubePage(searchQuery: string): string =
   let queryParam = encodeUrl(searchQuery)
   let client = newHttpClient()
@@ -42,21 +61,39 @@ proc presentVideoOptions(searchResults: seq[SearchResult]) =
   for index, (title, url) in searchResults:
     styledEcho $index, ". ", styleBright, fgMagenta, title, "\n", resetStyle, fgCyan, url, "\n"
 
-let input = paramStr(1)
-let player = selectMediaPlayer()
+proc directPlay(searchQuery: string, player: string) =
+  styledEcho "\n", fgGreen, "Playing ", styleBright, fgMagenta, searchQuery
+  if "watch?" in searchQuery or "videos/watch" in searchQuery :
+    discard execProcess(&"{player} {searchQuery}")
+    quit(0)
+  elif searchQuery.startswith("magnet:"):
+    discard execProcess(&"peerflix \"{searchQuery}\" --{player}")
+    quit(0)
+
+proc main() =
+  let
+    player = selectMediaPlayer()
+    (searchQuery, musicOnly, feelingLucky) = parseOptions()
+
+  directPlay(searchQuery, player)
+
+  let searchResults = extractTitlesAndUrls(getYoutubePage(searchQuery))
 
-if "https://www.youtube.com" in input:
-  discard execProcess(&"{player} {input}")
-  quit(0)
+  let number =
+    if feelingLucky: 0
+    else:
+      presentVideoOptions(searchResults)
+      stdout.styledWrite(fgYellow, "Choose video number: ")
+      parseInt(readLine(stdin))
 
-let searchResults = extractTitlesAndUrls(getYoutubePage(input))
+  styledEcho "\n", fgGreen, "Playing ", styleBright, fgMagenta, searchResults[number].title
 
-presentVideoOptions(searchResults)
+  var command = @[player, searchResults[number].url]
 
-stdout.styledWrite(fgYellow, "Choose video number: ")
-let number: int = parseInt(readLine(stdin))
+  if musicOnly:
+    command.add("--no-video")
 
-styledEcho "\n", fgGreen, "Playing ", styleBright, fgMagenta, searchResults[number].title
+  # Play the video using the preferred/available media player
+  discard execProcess(command.join(" "))
 
-# Play the video using the preferred/available media player
-discard execProcess(&"{player}  {searchResults[number].url}")
+main()