from dataclasses import dataclass

from dataclasses_json import dataclass_json
from tidalapi import Quality

from tidal_dl_ng.constants import CoverDimensions, QualityVideo


@dataclass_json
@dataclass
class Settings:
    skip_existing: bool = True
    lyrics_embed: bool = False
    lyrics_file: bool = False
    # TODO: Implement API KEY selection.
    # api_key_index: bool = 0
    # TODO: Implement album info download to separate file.
    # album_info_save: bool = False
    video_download: bool = True
    # TODO: Implement multi threading for downloads.
    # multi_thread: bool = False
    download_delay: bool = True
    download_base_path: str = "~/download"
    quality_audio: Quality = Quality.low_320k
    quality_video: QualityVideo = QualityVideo.P480
    format_album: str = (
        "Albums/{album_artist} - {album_title}{album_explicit}/{track_volume_num_optional}"
        "{album_track_num}. {artist_name} - {track_title}{album_explicit}"
    )
    format_playlist: str = "Playlists/{playlist_name}/{artist_name} - {track_title}"
    format_mix: str = "Mix/{mix_name}/{artist_name} - {track_title}"
    format_track: str = "Tracks/{artist_name} - {track_title}{track_explicit}"
    format_video: str = "Videos/{artist_name} - {track_title}{track_explicit}"
    video_convert_mp4: bool = True
    path_binary_ffmpeg: str = ""
    metadata_cover_dimension: CoverDimensions = CoverDimensions.Px320
    metadata_cover_embed: bool = True
    cover_album_file: bool = True
    extract_flac: bool = True
    downloads_simultaneous_per_track_max: int = 20
    download_delay_sec_min: float = 3.0
    download_delay_sec_max: float = 5.0
    album_track_num_pad_min: int = 1
    downloads_concurrent_max: int = 3
    symlink_to_track: bool = False
    playlist_create: bool = False


@dataclass_json
@dataclass
class HelpSettings:
    skip_existing: str = "Skip download if file already exists."
    album_cover_save: str = "Safe cover to album folder."
    lyrics_embed: str = "Embed lyrics in audio file, if lyrics are available."
    lyrics_file: str = "Save lyrics to separate *.lrc file, if lyrics are available."
    api_key_index: str = "Set the device API KEY."
    album_info_save: str = "Save album info to track?"
    video_download: str = "Allow download of videos."
    multi_thread: str = "Download several tracks in parallel."
    download_delay: str = "Activate randomized download delay to mimic human behaviour."
    download_base_path: str = "Where to store the downloaded media."
    quality_audio: str = (
        'Desired audio download quality: "LOW" (96kbps), "HIGH" (320kbps), '
        '"LOSSLESS" (16 Bit, 44,1 kHz), '
        '"HI_RES_LOSSLESS" (up to 24 Bit, 192 kHz)'
    )
    quality_video: str = 'Desired video download quality: "360", "480", "720", "1080"'
    # TODO: Describe possible variables.
    format_album: str = "Where to download albums and how to name the items."
    format_playlist: str = "Where to download playlists and how to name the items."
    format_mix: str = "Where to download mixes and how to name the items."
    format_track: str = "Where to download tracks and how to name the items."
    format_video: str = "Where to download videos and how to name the items."
    video_convert_mp4: str = (
        "Videos are downloaded as MPEG Transport Stream (TS) files. With this option each video "
        "will be converted to MP4. FFmpeg must be installed."
    )
    path_binary_ffmpeg: str = (
        "Path to FFmpeg binary file (executable). Only necessary if FFmpeg not set in $PATH. Mandatory for Windows: "
        "The directory of `ffmpeg.exe`must be set in %PATH%."
    )
    metadata_cover_dimension: str = (
        "The dimensions of the cover image embedded into the track. Possible values: 320x320, 640x640x 1280x1280."
    )
    metadata_cover_embed: str = "Embed album cover into file."
    cover_album_file: str = "Save cover to 'cover.jpg', if an album is downloaded."
    extract_flac: str = "Extract FLAC audio tracks from MP4 containers and save them as `*.flac` (uses FFmpeg)."
    downloads_simultaneous_per_track_max: str = "Maximum number of simultaneous chunk downloads per track."
    download_delay_sec_min: str = "Lower boundary for the calculation of the download delay in seconds."
    download_delay_sec_max: str = "Upper boundary for the calculation of the download delay in seconds."
    album_track_num_pad_min: str = (
        "Minimum length of the album track count, will be padded with zeroes (0). To disable padding set this to 1."
    )
    downloads_concurrent_max: str = "Maximum concurrent number of downloads (threads)."
    symlink_to_track: str = (
        "If enabled the tracks of albums, playlists and mixes will be downloaded to the track directory but symlinked "
        "accordingly."
    )
    playlist_create: str = "Creates a '_playlist.m3u8' file for downloaded albums, playlists and mixes."


@dataclass_json
@dataclass
class Token:
    token_type: str | None = None
    access_token: str | None = None
    refresh_token: str | None = None
    expiry_time: float = 0.0