using Mastonet.Entities;

namespace AnimeAnnouncer;
using Kavita.AniListNet; // Contains base classes for interacting with the API
using Kavita.AniListNet.Parameters; // Contains classes for mutation and filtering
using Kavita.AniListNet.Objects; // Contains model classes for handling data

public class Anilist
{
    public String Token { get; set; }
    private AniClient client;


    public Anilist(String token)
    {
        Token = token;
        client = new AniClient();
        Task.WaitAll(Authenticate());
    }

    public async Task<Media?> RetrieveAiringShowInformation(String showName)
    {
        var results = await client.SearchMediaAsync(new SearchMediaFilter
        {
            Query = showName, // The term to search for
            Type = MediaType.Anime, // Filters search results to anime only
            Sort = MediaSort.Popularity, // Sorts them by popularity
            Format = new Dictionary<MediaFormat, bool>
            {
                { MediaFormat.TV, true }, // Set to only search for TV shows and movies
                { MediaFormat.Movie, true },
                { MediaFormat.TVShort, false } // Set to not show TV shorts
            }
        });
        int currentYear = DateTime.Now.Year;
        var result = results.Data.Where(p => p.SeasonYear >= currentYear).OrderByDescending(p => p.StartDate.ToDateTime()).ThenByDescending(p => p.Id).FirstOrDefault();
        return result;
    }

    private async Task Authenticate()
    {
        Boolean success = await client.TryAuthenticateAsync(Token);
        if (!success)
            throw new Exception("Unable to authenticate with AniList!");
    }
}