using Microsoft.EntityFrameworkCore;
using RadicadeServer.DB;
using RadicadeServer.Extensions;
using RadicadeServer.RecNet.Accounts.Local;

namespace RadicadeServer.RecNet.Avatar;

public static class SavedOutfits
{
	public static async Task<List<Outfit>> GetAsync(RecDBContext db, long accountId)
	{
		var avatar = await db.Avatars.AsNoTracking().FirstOrDefaultAsync(x => x.AccountId == accountId);
		return Parse(avatar?.Outfits);
	}

	public static async Task<Outfit?> SaveAsync(RecDBContext db, long accountId, Outfit? outfit)
	{
		if (outfit?.Slot == null)
			return null;

		var avatar = await db.Avatars.FirstOrDefaultAsync(x => x.AccountId == accountId);
		if (avatar == null)
		{
			avatar = new PlayerAvatar
			{
				AccountId = accountId,
				Avatar = DBConfig.DefaultAvatar,
				Outfits = "[]"
			};
			db.Avatars.Add(avatar);
		}

		var outfits = Parse(avatar.Outfits);

		var matchingSlot = outfits.FindIndex(x => x.Slot == outfit.Slot);
		if (matchingSlot >= 0)
			outfits[matchingSlot] = outfit;
		else
			outfits.Add(outfit);

		avatar.Outfits = outfits.ToJson();

		await db.SaveChangesAsync();

		return outfit;
	}

	private static List<Outfit> Parse(string? stored)
	{
		try
		{
			var outfits = (stored ?? string.Empty).FromJson<List<Outfit>>();
			return outfits?.Where(x => x != null).ToList() ?? new List<Outfit>();
		}
		catch
		{
			return new List<Outfit>();
		}
	}
}