using System.Net;
using System.Net.Http.Json;
using System.Text.Json;
using Microsoft.Extensions.DependencyInjection;
using SVSim.Database;
using SVSim.Database.Models;
using SVSim.UnitTests.Infrastructure;

namespace SVSim.UnitTests.Controllers;

public class ArenaTwoPickBattleControllerTests
{
    [Test]
    public async Task DoMatching_AuthenticatedViewer_Returns3004WithBattleIdAndNodeUrl()
    {
        using var factory = new SVSimTestFactory();
        var viewerId = await factory.SeedViewerAsync();
        await SeedCompleteTwoPickRunAsync(factory, viewerId);

        using var client = factory.CreateAuthenticatedClient(viewerId);
        var req = new {
            deck_no = 1L, need_init = 1, log = 1, excluded_field_id_list = new long[] { }, use_stage_select = 1, is_default_skin = 0,
            viewer_id = "0", steam_id = 0, steam_session_ticket = "",
        };
        var resp = await client.PostAsync("/arena_two_pick_battle/do_matching", JsonContent.Create(req));

        Assert.That(resp.StatusCode, Is.EqualTo(HttpStatusCode.OK));
        var body = await resp.Content.ReadAsStringAsync();
        using var doc = JsonDocument.Parse(body);
        var root = doc.RootElement;

        Assert.That(root.GetProperty("matching_state").GetInt32(), Is.EqualTo(3004));
        var battleId = root.GetProperty("battle_id").GetString();
        Assert.That(battleId, Is.Not.Null.And.Not.Empty);
        var nodeUrl = root.GetProperty("node_server_url").GetString();
        Assert.That(nodeUrl, Does.Contain("/socket.io/"));
        Assert.That(nodeUrl, Does.Not.StartWith("ws://"));
        Assert.That(nodeUrl, Does.Not.StartWith("http://"));
        Assert.That(root.GetProperty("card_master_id").GetInt32(), Is.EqualTo(1));
    }

    [Test]
    public async Task DoMatching_NoActiveRun_Returns400WithErrorCode()
    {
        using var factory = new SVSimTestFactory();
        var viewerId = await factory.SeedViewerAsync();
        using var client = factory.CreateAuthenticatedClient(viewerId);
        var req = new {
            deck_no = 1L, need_init = 1, log = 1, excluded_field_id_list = new long[] { }, use_stage_select = 1, is_default_skin = 0,
            viewer_id = "0", steam_id = 0, steam_session_ticket = "",
        };
        var resp = await client.PostAsync("/arena_two_pick_battle/do_matching", JsonContent.Create(req));

        Assert.That(resp.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
        var body = await resp.Content.ReadAsStringAsync();
        using var doc = JsonDocument.Parse(body);
        Assert.That(doc.RootElement.GetProperty("error_code").GetString(),
            Is.EqualTo("arena_two_pick_no_active_run"));
    }

    private static async Task SeedCompleteTwoPickRunAsync(SVSimTestFactory factory, long viewerId)
    {
        using var scope = factory.Services.CreateScope();
        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
        var deck = Enumerable.Range(1, 30).Select(i => 100_011_000L + i).ToList();
        db.ViewerArenaTwoPickRuns.Add(new ViewerArenaTwoPickRun
        {
            ViewerId = viewerId,
            EntryId = 1,
            ClassId = 1,
            LeaderSkinId = 1,
            SelectedCardIdsJson = JsonSerializer.Serialize(deck),
            IsSelectCompleted = true,
            MaxBattleCount = 5,
            CandidateClassIdsJson = "[1,2,3]",
            PendingPickSetsJson = "[]",
            ResultListJson = "[]",
            NextCandidateId = 1,
        });
        await db.SaveChangesAsync();
    }
}