using RadicadeServer.API.Events;
using RadicadeServer.RecNet.Enums;
using RadicadeServer.RecNet.Events;
using Xunit;

namespace RadicadeServer.Tests;

/// <summary>
/// Tests the filtering rules behind the game's event endpoints:
///   - /api/playerevents/v1/search (public, not-ended events; name/description match)
///   - /api/playerevents/v1/room/{roomId} (events hosted in that room)
/// </summary>
public class PlayerEventQueriesTests
{
    private static PlayerEventDB MakeEvent(
        long id,
        long roomId,
        string name = "Launch Party",
        DateTime? start = null,
        DateTime? end = null,
        Accessibility accessibility = Accessibility.Public)
    {
        var startTime = start ?? DateTime.UtcNow.AddHours(1);
        return new PlayerEventDB
        {
            PlayerEventId = id,
            Name = name,
            Description = "A test event",
            ImageName = "",
            StartTime = startTime,
            EndTime = end ?? startTime.AddHours(2),
            CreatorPlayerId = 42,
            AttendeeCount = 1,
            RoomId = roomId,
            Accessibility = accessibility
        };
    }

    [Fact]
    public void CreatedPublicEvent_AppearsInSearchResults()
    {
        var ev = MakeEvent(1, 100, name: "Launch Party");

        var results = PlayerEventQueries.Search(new[] { ev }, null, DateTime.UtcNow);

        Assert.Single(results);
        Assert.Equal(1, results[0].PlayerEventId);
    }

    [Fact]
    public void CreatedEvent_AppearsInRoomResults()
    {
        var ev = MakeEvent(1, 100);

        var results = PlayerEventQueries.InRoom(new[] { ev }, 100);

        Assert.Single(results);
        Assert.Equal(1, results[0].PlayerEventId);
    }

    [Fact]
    public void Search_MatchesNameCaseInsensitively()
    {
        var ev = MakeEvent(1, 100, name: "Launch Party");

        var results = PlayerEventQueries.Search(new[] { ev }, "launch", DateTime.UtcNow);

        Assert.Single(results);
    }

    [Fact]
    public void Search_MatchesDescription()
    {
        var ev = MakeEvent(1, 100, name: "Other");
        ev.Description = "A test event";

        var results = PlayerEventQueries.Search(new[] { ev }, "TEST", DateTime.UtcNow);

        Assert.Single(results);
    }

    [Fact]
    public void Search_ExcludesEndedEvents()
    {
        var ev = MakeEvent(1, 100, end: DateTime.UtcNow.AddHours(-1));

        var results = PlayerEventQueries.Search(new[] { ev }, null, DateTime.UtcNow);

        Assert.Empty(results);
    }

    [Fact]
    public void Search_ExcludesPrivateEvents()
    {
        var ev = MakeEvent(1, 100, accessibility: Accessibility.Private);

        var results = PlayerEventQueries.Search(new[] { ev }, null, DateTime.UtcNow);

        Assert.Empty(results);
    }

    [Fact]
    public void RoomEvents_OnlyReturnEventsForThatRoom()
    {
        var inRoom = MakeEvent(1, 100);
        var otherRoom = MakeEvent(2, 200);

        var results = PlayerEventQueries.InRoom(new[] { inRoom, otherRoom }, 100);

        Assert.Single(results);
        Assert.Equal(1, results[0].PlayerEventId);
    }

    [Fact]
    public void Search_ReturnsNewestEventsFirst()
    {
        var later = MakeEvent(1, 100, start: DateTime.UtcNow.AddHours(3));
        var sooner = MakeEvent(2, 100, start: DateTime.UtcNow.AddHours(1));

        var results = PlayerEventQueries.Search(new[] { sooner, later }, null, DateTime.UtcNow);

        Assert.Equal(2, results.Count);
        Assert.Equal(1, results[0].PlayerEventId);
        Assert.Equal(2, results[1].PlayerEventId);
    }
}