import requests
from typing import List
from bs4 import BeautifulSoup
import pycountry

from ..database import (
    Lyrics,
    Song,
    Artist
)
from ..utils.shared import *
from ..utils import phonetic_compares
from ..utils.object_handeling import get_elem_from_obj

TIMEOUT = 10

# search doesn't support isrc
# https://genius.com/api/search/multi?q=I Prevail - Breaking Down
# https://genius.com/api/songs/6192944
# https://docs.genius.com/

session = requests.Session()
session.headers = {
    "Connection": "keep-alive",
    "Referer": "https://genius.com/search/embed"
}
session.proxies = proxies

logger = GENIUS_LOGGER


class LyricsSong:
    def __init__(self, raw_data: dict, desirered_data: dict):
        self.raw_data = raw_data
        self.desired_data = desirered_data

        song_data = get_elem_from_obj(self.raw_data, ['result'], return_if_none={})
        self.id = get_elem_from_obj(song_data, ['id'])
        self.artist = get_elem_from_obj(song_data, ['primary_artist', 'name'])
        self.title = get_elem_from_obj(song_data, ['title'])

        lang_code = get_elem_from_obj(song_data, ['language']) or "en"
        self.language = pycountry.languages.get(alpha_2=lang_code)
        self.lang = self.language.alpha_3
        self.url = get_elem_from_obj(song_data, ['url'])

        # maybe could be implemented
        self.lyricist: str

        if get_elem_from_obj(song_data, ['lyrics_state']) != "complete":
            logger.warning(
                f"lyrics state of {self.title} by {self.artist} is not complete but {get_elem_from_obj(song_data, ['lyrics_state'])}")

        self.valid = self.is_valid()
        if self.valid:
            logger.info(f"found lyrics for \"{self.__repr__()}\"")
        else:
            return

        self.lyrics = self.fetch_lyrics()
        if self.lyrics is None:
            self.valid = False

    def is_valid(self) -> bool:
        title_match, title_distance = phonetic_compares.match_titles(self.title, self.desired_data['track'])
        artist_match, artist_distance = phonetic_compares.match_artists(self.desired_data['artist'], self.artist)

        return not title_match and not artist_match

    def __repr__(self) -> str:
        return f"{self.title} by {self.artist} ({self.url})"

    def fetch_lyrics(self) -> str | None:
        if not self.valid:
            logger.warning(f"{self.__repr__()} is invalid but the lyrics still get fetched. Something could be wrong.")

        try:
            r = session.get(self.url, timeout=TIMEOUT)
        except requests.exceptions.Timeout:
            logger.warning(f"{self.url} timed out after {TIMEOUT} seconds")
            return None
        if r.status_code != 200:
            logger.warning(f"{r.url} returned {r.status_code}:\n{r.content}")
            return None

        soup = BeautifulSoup(r.content, "html.parser")
        lyrics_soups = soup.find_all('div', {'data-lyrics-container': "true"})
        if len(lyrics_soups) == 0:
            logger.warning(f"didn't found lyrics on {self.url}")
            return None
        # if len(lyrics_soups) != 1:
        #     logger.warning(f"number of lyrics_soups doesn't equals 1, but {len(lyrics_soups)} on {self.url}")

        lyrics = "\n".join([lyrics_soup.getText(separator="\n", strip=True) for lyrics_soup in lyrics_soups])

        # <div data-lyrics-container="true" class="Lyrics__Container-sc-1ynbvzw-6 YYrds">With the soundle
        self.lyrics = lyrics
        return lyrics

    def get_lyrics_object(self) -> Lyrics | None:
        if self.lyrics is None:
            return None
        return Lyrics(text=self.lyrics, language=self.lang or "en")

    lyrics_object = property(fget=get_lyrics_object)


def process_multiple_songs(song_datas: list, desired_data: dict) -> List[LyricsSong]:
    all_songs = [LyricsSong(song_data, desired_data) for song_data in song_datas]
    return all_songs


def search_song_list(artist: str, track: str) -> List[LyricsSong]:
    endpoint = "https://genius.com/api/search/multi?q="
    url = f"{endpoint}{artist} - {track}"
    logging.info(f"requesting {url}")

    desired_data = {
        'artist': artist,
        'track': track
    }

    try:
        r = session.get(url, timeout=TIMEOUT)
    except requests.exceptions.Timeout:
        logger.warning(f"{url} timed out after {TIMEOUT} seconds")
        return []
    if r.status_code != 200:
        logging.warning(f"{r.url} returned {r.status_code}:\n{r.content}")
        return []
    content = r.json()
    if get_elem_from_obj(content, ['meta', 'status']) != 200:
        logging.warning(f"{r.url} returned {get_elem_from_obj(content, ['meta', 'status'])}:\n{content}")
        return []

    sections = get_elem_from_obj(content, ['response', 'sections'])
    for section in sections:
        section_type = get_elem_from_obj(section, ['type'])
        if section_type == "song":
            return process_multiple_songs(get_elem_from_obj(section, ['hits'], return_if_none=[]), desired_data)

    return []


def fetch_lyrics_from_artist(song: Song, artist: Artist) -> List[Lyrics]:
    lyrics_list: List[Lyrics] = []
    lyrics_song_list = search_song_list(artist.name, song.title)

    for lyrics_song in lyrics_song_list:
        if lyrics_song.valid:
            lyrics_list.append(lyrics_song.lyrics_object)

    return lyrics_list


def fetch_lyrics(song: Song) -> List[Lyrics]:
    lyrics: List[Lyrics] = []

    for artist in song.artists:
        lyrics.extend(fetch_lyrics_from_artist(song, artist))

    return lyrics


"""
if __name__ == "__main__":
    logging.basicConfig(level=logging.DEBUG)

    songs = search("Zombiez", "WALL OF Z")
    for song in songs:
        print(song)
"""