using System.Net;
using System.Net.Http.Json;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using SVSim.Database;
using SVSim.Database.Models;
using SVSim.EmulatedEntrypoint.Models.Dtos.Replay;
using SVSim.UnitTests.Infrastructure;

namespace SVSim.UnitTests.Controllers;

public class ReplayControllerTests
{
    // Minimal BaseRequest-shaped body. The translation middleware (in prod) and the
    // [FromBody] BaseRequest _ binding (in tests) both require the auth fields to
    // be present even when their values are unused — same pattern as
    // RankBattleControllerTests.FinishBody. The actual viewer_id comes from the
    // session claim, not the body.
    private static object EmptyBody() => new
    {
        viewer_id = "0",
        steam_id = 0,
        steam_session_ticket = "",
    };

    [Test]
    public async Task ReplayInfo_returns_empty_list_for_fresh_viewer()
    {
        using var factory = new SVSimTestFactory();
        long viewerId = await factory.SeedViewerAsync(steamId: 76_561_198_000_000_001UL);
        var client = factory.CreateAuthenticatedClient(viewerId);

        var resp = await client.PostAsJsonAsync("/replay/info", EmptyBody());
        Assert.That(resp.StatusCode, Is.EqualTo(HttpStatusCode.OK));

        var body = await resp.Content.ReadFromJsonAsync<ReplayInfoResponseDto>();
        Assert.That(body!.ReplayList, Is.Empty);
    }

    [Test]
    public async Task ReplayInfo_returns_recent_rows_newest_first()
    {
        using var factory = new SVSimTestFactory();
        long viewerId = await factory.SeedViewerAsync(steamId: 76_561_198_000_000_001UL);

        using (var seedScope = factory.Services.CreateScope())
        {
            var db = seedScope.ServiceProvider.GetRequiredService<SVSimDbContext>();
            db.ViewerBattleHistories.AddRange(
                NewRow(viewerId, battleId: 1, createTime: new DateTime(2026, 6, 1, 0, 0, 0, DateTimeKind.Utc)),
                NewRow(viewerId, battleId: 2, createTime: new DateTime(2026, 6, 2, 0, 0, 0, DateTimeKind.Utc)),
                NewRow(viewerId, battleId: 3, createTime: new DateTime(2026, 6, 3, 0, 0, 0, DateTimeKind.Utc)));
            await db.SaveChangesAsync();
        }

        var client = factory.CreateAuthenticatedClient(viewerId);
        var body = await client.PostAsJsonAsync("/replay/info", EmptyBody())
            .ContinueWith(t => t.Result.Content.ReadFromJsonAsync<ReplayInfoResponseDto>())
            .Unwrap();

        Assert.That(body!.ReplayList.Select(r => r.BattleId).ToList(),
            Is.EqualTo(new[] { "3", "2", "1" }));
    }

    [Test]
    public async Task ReplayInfo_does_not_leak_other_viewers_rows()
    {
        using var factory = new SVSimTestFactory();
        long viewerA = await factory.SeedViewerAsync(steamId: 76_561_198_000_000_001UL);
        long viewerB = await factory.SeedViewerAsync(steamId: 76_561_198_000_000_002UL);

        using (var scope = factory.Services.CreateScope())
        {
            var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
            db.ViewerBattleHistories.Add(NewRow(viewerA, battleId: 100, createTime: DateTime.UtcNow));
            db.ViewerBattleHistories.Add(NewRow(viewerB, battleId: 200, createTime: DateTime.UtcNow));
            await db.SaveChangesAsync();
        }

        var client = factory.CreateAuthenticatedClient(viewerA);
        var body = await client.PostAsJsonAsync("/replay/info", EmptyBody())
            .ContinueWith(t => t.Result.Content.ReadFromJsonAsync<ReplayInfoResponseDto>())
            .Unwrap();

        Assert.That(body!.ReplayList, Has.Count.EqualTo(1));
        Assert.That(body.ReplayList[0].BattleId, Is.EqualTo("100"));
    }

    [Test]
    public async Task ReplayDetail_returns_non_success_status()
    {
        using var factory = new SVSimTestFactory();
        long viewerId = await factory.SeedViewerAsync(steamId: 76_561_198_000_000_001UL);
        var client = factory.CreateAuthenticatedClient(viewerId);

        var resp = await client.PostAsJsonAsync("/replay/detail", new
        {
            viewer_id = viewerId,
            battle_id = 234_471_983_876L,
        });

        Assert.That(resp.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
    }

    private static ViewerBattleHistory NewRow(long viewerId, long battleId, DateTime createTime) => new()
    {
        ViewerId = viewerId,
        BattleId = battleId,
        SelfRotationId = "0",
        OpponentName = "",
        OpponentCountryCode = "",
        OpponentRotationId = "0",
        BattleStartTime = createTime.AddMinutes(-3),
        CreateTime = createTime,
    };
}