#!/usr/bin/env python3
from html.parser import HTMLParser
from urllib.request import urlopen
import json


class Spotify:

    def __init__(self):
        self.ldjson = None

    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://open.spotify.com/" 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

    class parseprop(HTMLParser):
        def __init__(self):
            # print("spotify parse init")
            HTMLParser.__init__(self)
            self.ldjson = False

        def handle_starttag(self, tag, attrs):
            if tag == "script" and ("type", "application/ld+json") in attrs:
                self.ldjson = True
            else:
                self.ldjson = False

        def handle_endtag(self, tag):
            self.ldjson = False

        def handle_data(self, data):
            if self.ldjson:
                Spotify.ldjson = data
                return

    def spotify(self, url):
        url = url.rstrip("\x01")
        p = self.parseprop()
        data = urlopen(url).read().decode()
        p.feed(data)
        irc_string = "[\x0304Spotify\x03] \x0307ERROR:\x0308 got no data from server! \x0315(check your URL for typos!)\x03"
        ansi_string = "[\x1b[31mSpotify\x1b[0m] \x1b[33;2mERROR:\x1b[33;1m got no data from server! \x1b[37;2m(check your URL for typos!)\x1b[0m"
        data = json.loads(Spotify.ldjson)
        try:
            type = data["@type"]
        except KeyError:
            print(ansi_string)
            return irc_string, True
        id = data["@id"]
        name = data["name"]
        date = data["datePublished"]
        artists = data["description"]
        artists = (
            artists.removeprefix(f"Listen to {name} on Spotify")
            .removeprefix(".")
            .strip()
            .removeprefix("· ")
        )
        if artists.startswith("Song · "):
            artists = artists.removeprefix("Song · ")
        elif artists.startswith("Album · "):
            artists = artists.removeprefix("Album · ")[::-1].split(" · ", 1)[1][
                ::-1
            ]  # removes the "10 songs" part from album
        artists = artists.removesuffix(f" · {date[:4]}")  # remove the year too
        irc_string = f"[\x0303Spotify\x03] \x02{name}\x02 by \x1d{artists}\x1d published on {date}"
        ansi_string = f"[\x1b[32mSpotify\x1b[0m] \x1b[1m{name}\x1b[0m by \x1b[03m{artists}\x1b[0m published on {date}"
        # print(("Song: " if type=="MusicRecording" else "Album: " if type=="MusicAlbum" else f"Unknown type ({type}): ")+'"'+name+'"'+" by "+'"'+artists+'"'+" released on "+date)
        # irc_string="dummy"
        print(ansi_string)
        return irc_string, False


if __name__ == "__main__":
    import sys

    #Spotify.spotify(Spotify, sys.argv[1])
    Spotify().spotify(sys.argv[1])