main.py

from flask import jsonify

from tidal import create_playlist, delete_playlist, get_playlist_info
from utils import validate_playlist


def tidal(request):
    """Responds to HTTP requests
    GET:
        Returns playlist info and a list of tracks on the playlist.
    POST:
        Creates a playlist for with given track details and returns playlist link.
    DELETE:
        Deletes playlist of provided link and returns success message.
    """
    if request.method == "GET":
        playlist_link = request.args.get("link")
        response = get_playlist_info(playlist_link)
        return jsonify(response), 200

    if request.method == "POST":
        data = request.get_json()

        # Validate data
        result = validate_playlist(data)
        if not result["is_valid"]:
            return jsonify({"message": "Invalid values", "errors": result["errors"]}), 400

        playlist_info = {"name": data["name"],
                         "description": data["description"]}
        tracks = data["tracks"]
        response = create_playlist(
            track_list=tracks, playlist_info=playlist_info)

        return jsonify(response), 201

    if request.method == "DELETE":
        playlist_link = request.args.get("link")
        delete_playlist(playlist_link)
        return jsonify({"message": "Done"}), 200

    return jsonify({"message": "Try again"}), 400