using System.Security.Claims;
using System.Text.Json;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using RadicadeServer.API.Avatars;
using RadicadeServer.DB;
using RadicadeServer.RecNet.Accounts.Local;
using Xunit;

namespace RadicadeServer.Tests;

public class QuestOutfitsTests
{
    [Fact]
    public async Task CurrentOutfitUsesAuthenticatedAccountsSavedAppearance()
    {
        await using var db = NewDatabase();
        const string stored = """
            {"OutfitSelections":"body,material","HairColor":"hair","SkinColor":"skin","FaceFeatures":"{}"}
            """;
        db.Avatars.AddRange(
            new PlayerAvatar { AccountId = 12, Avatar = stored, Outfits = "[]" },
            new PlayerAvatar { AccountId = 99, Avatar = "{}", Outfits = "[]" });
        await db.SaveChangesAsync();

        var api = CreateApi(db, 12);
        var result = Assert.IsType<OkObjectResult>(await api.GetCurrentOutfit());
        var dto = Assert.IsType<CurrentOutfitResponse>(result.Value);
        var json = JsonSerializer.SerializeToElement(dto);
        Assert.Equal(0, json.GetProperty("DataVersion").GetInt64());
        Assert.Equal(0, json.GetProperty("Slot").GetInt32());
        Assert.Equal(0, json.GetProperty("Accessibility").GetInt32());
        Assert.Empty(json.GetProperty("Selections").EnumerateArray());
        var legacy = json.GetProperty("LegacyData");
        Assert.Equal("body,material", legacy.GetProperty("SelectionsV1").GetString());
        Assert.Equal("hair", legacy.GetProperty("HairColor").GetString());
        Assert.Equal("skin", legacy.GetProperty("SkinColor").GetString());
        Assert.Equal("{}", legacy.GetProperty("FaceFeatures").GetString());
        Assert.Equal(JsonValueKind.Null, legacy.GetProperty("SelectionsV2").ValueKind);
        Assert.Equal(stored, (await db.Avatars.FindAsync(12L))!.Avatar);
        Assert.Equal("{}", (await db.Avatars.FindAsync(99L))!.Avatar);
    }

    [Fact]
    public async Task CurrentOutfitRequiresAnAuthenticatedAccount()
    {
        await using var db = NewDatabase();
        Assert.IsType<UnauthorizedResult>(await CreateApi(db, null).GetCurrentOutfit());
        Assert.False(await db.Avatars.AnyAsync());
        Assert.NotEmpty(typeof(OutfitsAPI).GetCustomAttributes(typeof(AuthorizeAttribute), true));
    }

    [Fact]
    public async Task CurrentOutfitInitializesMissingAvatarThroughExistingLoader()
    {
        await using var db = NewDatabase();
        var result = Assert.IsType<OkObjectResult>(await CreateApi(db, 12).GetCurrentOutfit());
        var dto = Assert.IsType<CurrentOutfitResponse>(result.Value);
        var stored = Assert.Single(await db.Avatars.ToListAsync());
        Assert.Equal(12, stored.AccountId);
        Assert.Equal(stored.DeserializeAvatar()!.OutfitSelections, dto.LegacyData.SelectionsV1);
    }

    private static RecDBContext NewDatabase() => new(TestDbOptions.Create()
        .UseInMemoryDatabase(Guid.NewGuid().ToString()).Options);

    private static OutfitsAPI CreateApi(RecDBContext db, long? accountId) => new(db)
    {
        ControllerContext = new ControllerContext
        {
            HttpContext = new DefaultHttpContext
            {
                User = accountId.HasValue
                    ? new ClaimsPrincipal(new ClaimsIdentity(
                        [new Claim(ClaimTypes.NameIdentifier, accountId.Value.ToString())], "test"))
                    : new ClaimsPrincipal(new ClaimsIdentity())
            }
        }
    };
}