"""
Basic Spotify synchronization manager.

Author(s): eeriemyxi (GitHub)
License: GPL 3.0
"""

import pathlib, subprocess, sys, logging, argparse

SCRIPT_PATH = pathlib.Path(__file__).parent


logging.basicConfig(
    level=logging.INFO,
    filename=SCRIPT_PATH / "spotify-sync.log",
    format="%(asctime)s: %(message)s",
)
logger = logging.getLogger(__name__)
parser = argparse.ArgumentParser(description="Basic Spotify synchronization manager.")
parser.add_argument(
    "--duplicate-removal-method",
    help="Delete duplicates after syncing. NONE by default. Uses czkawka. "
    "See `czkawka dup --help`",
    default="NONE",
    dest="removal_method",
)
args = parser.parse_args()
args.removal_method = args.removal_method.upper()

logger.info("Script started with arguments: %s.", repr(sys.argv))

with open(SCRIPT_PATH / "playlists-to-sync.txt") as file:
    for line_c, line in enumerate(file.readlines(), 1):
        line = line.strip()

        if line[0] == "#":
            sys.stderr.write(f"Skipping line #{line_c}.\n")
            logger.warning(f"Skipping line #{line_c}.")
            continue

        links, folder_name = line.split(";", 1)
        links = links.split()
        logger.info(f"Downloading to folder {folder_name} from links: {links}.")

        playlist_path = SCRIPT_PATH / folder_name
        playlist_path.mkdir(parents=True, exist_ok=True)

        sync_file = playlist_path / "spotify-sync.spotdl"

        if sync_file.exists():
            subprocess.run(
                ["spotdl", "sync", sync_file.name], cwd=playlist_path, shell=True
            )
        else:
            subprocess.run(
                ["spotdl", "sync", " ".join(links), "--save-file", sync_file.name],
                cwd=playlist_path,
                shell=True,
            )

        logger.info(f"Done synching playlists to folder {folder_name}.")

if args.removal_method != "NONE":
    logger.info(
        "Deleting duplicates with method '%s' in '%s'.",
        args.removal_method,
        SCRIPT_PATH,
    )
    out = subprocess.run(
        [
            "czkawka",
            "dup",
            "-D",
            args.removal_method,
            "--directories",
            str(SCRIPT_PATH),
        ],
        shell=True,
        capture_output=True,
    )
    logger.info(
        "Deletion complete with return code %s; stdout: %s; stderr: %s",
        out.returncode,
        out.stdout,
        out.stderr,
    )