from discord import Embed
import datetime
from vulkanbot.music.Interfaces import ISong, IPlaylist
from config import config


class Song(ISong):
    """Store the usefull information about a Song"""

    def __init__(self, identifier: str, playlist: IPlaylist) -> None:
        """Create a song with only the URL to the youtube song"""
        self.__identifier = identifier
        self.__info = {}
        self.__problematic = False
        self.__playlist: IPlaylist = playlist

    def finish_down(self, info: dict) -> None:
        """Get and store the full information of the song"""        
        self.__usefull_keys = ['url', 'duration',
                               'title', 'webpage_url',
                               'channel', 'id', 'uploader',
                               'thumbnail', 'original_url']
        
        for key in self.__usefull_keys:
            try:
                self.__info[key] = info[key]
            except Exception as e:
                print(e)
                raise e  

    @property
    def source(self) -> str:
        """Return the Song Source URL to play"""
        if 'url' in self.__info.keys():
            return self.__info['url']
        else:
            return None

    @property
    def title(self) -> str:
        """Return the Song Title"""
        if 'title' in self.__info.keys():
            return self.__info['title']
        else:
            return None

    @property
    def duration(self) -> str:
        """Return the Song Title"""
        if 'duration' in self.__info.keys():
            return self.__info['duration']
        else:
            return 0.0

    @property
    def identifier(self) -> str:
        return self.__identifier
    
    @property
    def problematic(self) -> bool:
        return self.__problematic

    def destroy(self) -> None:
        """Mark this song with problems and removed from the playlist due to any type of error"""
        self.__problematic = True        
        self.__playlist.destroy_song(self)
        
    def embed(self, title: str) -> Embed:
        """Configure the embed to show the song information"""
        
        embedvc = Embed(
            title=title,
            description=f"[{self.__info['title']}]({self.__info['original_url']})",
            color=config.COLOURS['blue']
        )

        embedvc.add_field(name=config.SONGINFO_UPLOADER,
                          value=self.__info['uploader'],
                          inline=False)

        if 'thumbnail' in self.__info.keys():
            embedvc.set_thumbnail(url=self.__info['thumbnail'])

        if 'duration' in self.__info.keys():
            duration = str(datetime.timedelta(seconds=self.__info['duration']))
            embedvc.add_field(name=config.SONGINFO_DURATION,
                              value=f"{duration}",
                              inline=False)
        else:
            embedvc.add_field(name=config.SONGINFO_DURATION,
                              value=config.SONGINFO_UNKNOWN_DURATION,
                              inline=False)

        return embedvc