using Microsoft.EntityFrameworkCore;
using RadicadeServer.DB;
using RadicadeServer.RecNet.Accounts;
using RadicadeServer.RecNet.Enums;
using RadicadeServer.RecNet.Enums.Rooms;
using RadicadeServer.RecNet.Rooms;
using RadicadeServer.Utils;
using Xunit;

namespace RadicadeServer.Tests;

[Collection(DbFactoryCollection.Name)]
public class DormVisitTests
{
    private const long PlayerId = 701;
    private const long DormRoomId = 81;
    private const long DormInstanceId = 901;

    private sealed class TestDbContextFactory : IDbContextFactory<RecDBContext>
    {
        private readonly DbContextOptions<RecDBContext> options = TestDbOptions.Create()
            .UseInMemoryDatabase(Guid.NewGuid().ToString())
            .Options;

        public RecDBContext CreateDbContext() => new(options);
    }

    private static async Task<(TestDbContextFactory Factory, RecDBContext Db)> CreateContextAsync()
    {
        var factory = new TestDbContextFactory();
        RoomUtils.DbFactory = factory;
        MatchmakingUtils.DbFactory = factory;
        var db = factory.CreateDbContext();
        db.Rooms.Add(new RoomData
        {
            RoomId = DormRoomId,
            Name = "DormRoom",
            IsDorm = true,
            CreatorAccountId = PlayerId,
            Accessibility = Accessibility.Private,
            CreatedAt = DateTime.UtcNow
        });
        db.SubRooms.Add(new SubRoom
        {
            SubRoomId = 81,
            RoomId = DormRoomId,
            Name = "Home",
            UnitySceneId = "cbad71af-0831-44d8-b8ef-69edafa841f6",
            MaxPlayers = 4,
            Accessibility = Accessibility.Private
        });
        db.RoomInstances.Add(new RoomInstance
        {
            roomInstanceId = DormInstanceId,
            roomId = DormRoomId,
            subRoomId = 81,
            roomInstanceType = RoomInstanceType.Dormroom,
            isPrivate = true,
            name = "@tester's Dorm",
            maxCapacity = 4
        });
        await db.SaveChangesAsync();
        return (factory, db);
    }

    [Fact]
    public async Task DormEntryCountsOneVisitAndHeartbeatRehydrationDoesNotAddMore()
    {
        var (factory, db) = await CreateContextAsync();
        await using var _db = db;
        var presence = new RealPresence { playerId = PlayerId };
        db.Presences.Add(presence);
        await db.SaveChangesAsync();

        await MatchmakingUtils.EnsureDormPresenceAsync(db, PlayerId, presence);
        await MatchmakingUtils.EnsureDormPresenceAsync(db, PlayerId, presence);
        await db.SaveChangesAsync();

        await using var verify = factory.CreateDbContext();
        var interaction = await verify.RoomInteractions.SingleAsync(x => x.RoomId == DormRoomId && x.PlayerId == PlayerId);
        var stats = await verify.RoomStats.SingleAsync(x => x.RoomId == DormRoomId);
        Assert.True(interaction.Visited);
        Assert.Equal(1, interaction.VisitCount);
        Assert.Equal(1, stats.VisitCount);
        Assert.Equal(1, stats.VisitorCount);
    }

    [Fact]
    public async Task ReturningToDormCountsASecondVisit()
    {
        var (factory, db) = await CreateContextAsync();
        await using var _db = db;
        var presence = new RealPresence { playerId = PlayerId };
        db.Presences.Add(presence);
        await db.SaveChangesAsync();

        await MatchmakingUtils.EnsureDormPresenceAsync(db, PlayerId, presence);
        presence.roomInstance = null;
        await db.SaveChangesAsync();
        await MatchmakingUtils.EnsureDormPresenceAsync(db, PlayerId, presence);
        await db.SaveChangesAsync();

        await using var verify = factory.CreateDbContext();
        var interaction = await verify.RoomInteractions.SingleAsync(x => x.RoomId == DormRoomId && x.PlayerId == PlayerId);
        var stats = await verify.RoomStats.SingleAsync(x => x.RoomId == DormRoomId);
        Assert.Equal(2, interaction.VisitCount);
        Assert.Equal(2, stats.VisitCount);
        Assert.Equal(1, stats.VisitorCount);
    }
}