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#!/usr/bin/env python3
from urllib.request import urlopen
from urllib.error import HTTPError
from urllib.parse import urlencode, urlparse, parse_qs
from json import loads as json_loads

class YouTube:
    def mesg(self, msg, t=None):
        self.util.mesg(msg, t)

    def match_urls(self, str):
        r = [
            i
            for i in str.split()
            if "https://youtu.be/" in i
            or "https://www.youtube.com/watch?v=" in i
            or "https://m.youtube.com/watch?v=" in i
            or "https://youtube.com/watch?v=" in i
            or "https://www.youtube.com/embed/" in i
            or "https://www.youtube-nocookie.com/embed/" in i
            or "https://music.youtube.com/watch?v=" in i
            or "https://youtube.com/shorts/" in i
            or "https://www.youtube.com/shorts/" in i
            or "https://www.youtube.com/clip/" in i
            or "https://youtube.com/clip/" in i
        ]
        r = list(dict.fromkeys(r))
        n = 0
        for i in r:
            if not i.startswith("http"):
                r.pop(n)
            n += 1

        return r

    def is_embed(str):
        return str.startswith("https://www.youtube.com/embed/") or str.startswith(
            "https://www.youtube-nocookie.com/embed/"
        )

    def is_ytmusic(str):
        return str.startswith("https://music.youtube.com/watch?v=")

    def is_ytshorts(str):
        return str.startswith("https://youtube.com/shorts/") or str.startswith(
            "https://www.youtube.com/shorts/"
        )

    def is_clip(str):
        return str.startswith("https://youtube.com/clip/") or str.startswith(
            "https://www.youtube.com/clip/"
        )

    def yt(self, url):
        irc_string = "[\x0304Youtube\x03] \x0307ERROR:\x0308 got no data from server! \x0315(check your URL for typos!)\x03"
        ansi_string = "[\x1b[31mYoutube\x1b[0m] \x1b[33;2mERROR:\x1b[33;1m got no data from server! \x1b[37;2m(check your URL for typos!)\x1b[0m"
        # self.util.mesg("dbg hello")
        url = url.rstrip("\x01")
        if self.is_embed(url):
            videoId = url.split("/")[4]
            url = f"https://www.youtube.com/watch?v={videoId}"
        elif self.is_ytmusic(url):
            for i in url.split("?")[1].split("&"):
                if i[0:2] == "v=":
                    videoId = i[2:]
            url = f"https://www.youtube.com/watch?v={videoId}"
        elif self.is_ytshorts(url):
            videoId = url.split("?")[0].split("/")[-1]
            url = f"https://www.youtube.com/watch?v={videoId}"
        url = urlparse(url)
        qs=parse_qs(url.query);video_id=qs['v'][0]
        try: playlist_id=qs['list'][0]
        except KeyError: playlist_id=None
        if self.prefer_playlist and playlist_id:
          url = url.scheme + "://" + url.netloc + "/playlist?list=" + playlist_id
        else:
          url = url.scheme + "://" + url.netloc + url.path + "?v=" + video_id
        url = f"https://www.youtube.com/oembed?{urlencode([('url',url),('format','json')])}"
        try:
            print(url," and ",playlist_id)
            data = urlopen(url).read().decode()
            data = json_loads(data)
            title=data['title']
            channelName=data['author_name']
        except HTTPError as e:
            irc_string = f"[\x0304Youtube\x03] \x0307ERROR:\x0308 {e} \x0315\x03"
            ansi_string = f"[\x1b[31mYoutube\x1b[0m] \x1b[33;2mERROR:\x1b[33;1m {e} \x1b[37;2m\x1b[0m"
            print(ansi_string)
            return irc_string, True
        irc_string = f"[\x0303Youtube\x03] \x02{title}\x02 uploaded by \x1d{channelName}\x1d"
        ansi_string = f"[\x1b[32mYoutube\x1b[0m] \x1b[1m{title}\x1b[0m uploaded by \x1b[03m{channelName}\x1b[0m"
        print(ansi_string)
        return irc_string, False


if __name__ == "__main__":
    import sys

    YouTube.prefer_playlist=False
    YouTube.yt(YouTube, sys.argv[1])