using Catalogger.Backend.Database.Models;
using Catalogger.Backend.Extensions;
using Remora.Rest.Core;

namespace Catalogger.Backend.Database.Queries;

public static class QueryExtensions
{
    public static async ValueTask<Guild> GetGuildAsync(this DatabaseContext db, Snowflake id,
        CancellationToken ct = default) => await db.GetGuildAsync(id.ToUlong(), ct);

    public static async ValueTask<Guild> GetGuildAsync(this DatabaseContext db, Optional<Snowflake> id,
        CancellationToken ct = default) => await db.GetGuildAsync(id.ToUlong(), ct);

    public static async ValueTask<Guild> GetGuildAsync(this DatabaseContext db, ulong id,
        CancellationToken ct = default)
    {
        var guild = await db.Guilds.FindAsync([id], ct);
        if (guild == null) throw new CataloggerError("Guild not found, was not initialized during guild create");
        return guild;
    }

    public static async Task<Watchlist?> GetWatchlistEntryAsync(this DatabaseContext db, Snowflake guildId,
        Snowflake userId, CancellationToken ct = default) =>
        await db.Watchlists.FindAsync([guildId.Value, userId.Value], ct);
}