maraphon-app/tests/Marathon.Infrastructure.Tests/Scraping/EventOddsParserTests.cs

using FluentAssertions;
using Marathon.Domain.Enums;
using Marathon.Infrastructure.Scraping.Parsers;
using Microsoft.Extensions.Logging.Abstractions;

namespace Marathon.Infrastructure.Tests.Scraping;

public sealed class EventOddsParserTests
{
    private static string FixturePath(string filename) => Path.Combine(
        AppContext.BaseDirectory,
        "Fixtures", "marathonbet", filename);

    private readonly EventOddsParser _sut;

    public EventOddsParserTests()
    {
        var serverTime   = new ServerTimeProvider(NullLogger<ServerTimeProvider>.Instance);
        var periodMapper = new PeriodScopeMapper(basketballQuarterMode: false);
        _sut = new EventOddsParser(
            serverTime,
            periodMapper,
            NullLogger<EventOddsParser>.Instance);
    }

    // ── Football fixture ───────────────────────────────────────────────────

    [Fact]
    public async Task ParseAsync_FootballFixture_ReturnsNonNullSnapshot()
    {
        var html = await File.ReadAllTextAsync(FixturePath("event-football-sample.html"));

        var snapshot = await _sut.ParseAsync(html, OddsSource.PreMatch);

        snapshot.Should().NotBeNull();
    }

    [Fact]
    public async Task ParseAsync_FootballFixture_SnapshotEventIdMatches()
    {
        var html = await File.ReadAllTextAsync(FixturePath("event-football-sample.html"));

        var snapshot = await _sut.ParseAsync(html, OddsSource.PreMatch);

        snapshot!.EventId.Value.Should().Be("26456117");
    }

    [Fact]
    public async Task ParseAsync_FootballFixture_MatchWin1Extracted()
    {
        var html = await File.ReadAllTextAsync(FixturePath("event-football-sample.html"));

        var snapshot = await _sut.ParseAsync(html, OddsSource.PreMatch);

        var win1 = snapshot!.Bets.FirstOrDefault(b =>
            b.Scope is MatchScope && b.Type == BetType.Win && b.Side == Side.Side1);

        win1.Should().NotBeNull("Match Win-1 bet must be present");
        win1!.Rate.Value.Should().Be(1.65m);
    }

    [Fact]
    public async Task ParseAsync_FootballFixture_MatchDrawExtracted()
    {
        var html = await File.ReadAllTextAsync(FixturePath("event-football-sample.html"));

        var snapshot = await _sut.ParseAsync(html, OddsSource.PreMatch);

        var draw = snapshot!.Bets.FirstOrDefault(b =>
            b.Scope is MatchScope && b.Type == BetType.Draw);

        draw.Should().NotBeNull("Match Draw bet must be present");
        draw!.Rate.Value.Should().Be(4.1m);
    }

    [Fact]
    public async Task ParseAsync_FootballFixture_MatchWin2Extracted()
    {
        var html = await File.ReadAllTextAsync(FixturePath("event-football-sample.html"));

        var snapshot = await _sut.ParseAsync(html, OddsSource.PreMatch);

        var win2 = snapshot!.Bets.FirstOrDefault(b =>
            b.Scope is MatchScope && b.Type == BetType.Win && b.Side == Side.Side2);

        win2.Should().NotBeNull("Match Win-2 bet must be present");
        win2!.Rate.Value.Should().Be(5.7m);
    }

    [Fact]
    public async Task ParseAsync_FootballFixture_HandicapBetsExtracted()
    {
        var html = await File.ReadAllTextAsync(FixturePath("event-football-sample.html"));

        var snapshot = await _sut.ParseAsync(html, OddsSource.PreMatch);

        var fora1 = snapshot!.Bets.FirstOrDefault(b =>
            b.Scope is MatchScope && b.Type == BetType.WinFora && b.Side == Side.Side1);
        var fora2 = snapshot.Bets.FirstOrDefault(b =>
            b.Scope is MatchScope && b.Type == BetType.WinFora && b.Side == Side.Side2);

        fora1.Should().NotBeNull("Handicap Side1 must be present");
        fora2.Should().NotBeNull("Handicap Side2 must be present");

        fora1!.Value!.Value.Should().Be(-1.0m);
        fora1.Rate.Value.Should().Be(2.04m);

        fora2!.Value!.Value.Should().Be(1.0m);
        fora2.Rate.Value.Should().Be(1.82m);
    }

    [Fact]
    public async Task ParseAsync_FootballFixture_TotalBetsExtracted()
    {
        var html = await File.ReadAllTextAsync(FixturePath("event-football-sample.html"));

        var snapshot = await _sut.ParseAsync(html, OddsSource.PreMatch);

        var totalLess = snapshot!.Bets.FirstOrDefault(b =>
            b.Scope is MatchScope && b.Type == BetType.Total && b.Side == Side.Less);
        var totalMore = snapshot.Bets.FirstOrDefault(b =>
            b.Scope is MatchScope && b.Type == BetType.Total && b.Side == Side.More);

        totalLess.Should().NotBeNull("Total Less must be present");
        totalMore.Should().NotBeNull("Total More must be present");

        totalLess!.Value!.Value.Should().Be(2.5m);
        totalMore!.Value!.Value.Should().Be(2.5m);
    }

    [Fact]
    public async Task ParseAsync_FootballFixture_Period1WinExtracted()
    {
        var html = await File.ReadAllTextAsync(FixturePath("event-football-sample.html"));

        var snapshot = await _sut.ParseAsync(html, OddsSource.PreMatch);

        var p1Win1 = snapshot!.Bets.FirstOrDefault(b =>
            b.Scope is PeriodScope { Number: 1 } && b.Type == BetType.Win && b.Side == Side.Side1);
        var p1Draw = snapshot.Bets.FirstOrDefault(b =>
            b.Scope is PeriodScope { Number: 1 } && b.Type == BetType.Draw);
        var p1Win2 = snapshot.Bets.FirstOrDefault(b =>
            b.Scope is PeriodScope { Number: 1 } && b.Type == BetType.Win && b.Side == Side.Side2);

        p1Win1.Should().NotBeNull("Period-1 Win-1 must be present for football");
        p1Draw.Should().NotBeNull("Period-1 Draw must be present for football");
        p1Win2.Should().NotBeNull("Period-1 Win-2 must be present for football");
    }

    [Fact]
    public async Task ParseAsync_FootballFixture_SourceIsStamped()
    {
        var html = await File.ReadAllTextAsync(FixturePath("event-football-sample.html"));

        var snapshot = await _sut.ParseAsync(html, OddsSource.Live);

        snapshot!.Source.Should().Be(OddsSource.Live);
    }

    // ── Basketball fixture ─────────────────────────────────────────────────

    [Fact]
    public async Task ParseAsync_BasketballFixture_MatchWin1WithNoDrawExtracted()
    {
        var html = await File.ReadAllTextAsync(FixturePath("event-basketball-sample.html"));

        var snapshot = await _sut.ParseAsync(html, OddsSource.PreMatch);

        snapshot.Should().NotBeNull();

        var win1 = snapshot!.Bets.FirstOrDefault(b =>
            b.Scope is MatchScope && b.Type == BetType.Win && b.Side == Side.Side1);
        var draw = snapshot.Bets.FirstOrDefault(b =>
            b.Scope is MatchScope && b.Type == BetType.Draw);

        win1.Should().NotBeNull("Basketball Match Win-1 must be present");
        draw.Should().BeNull("Basketball (OT market) has no Draw outcome");
    }

    [Fact]
    public async Task ParseAsync_BasketballFixture_Period1WinsExtracted()
    {
        var html = await File.ReadAllTextAsync(FixturePath("event-basketball-sample.html"));

        var snapshot = await _sut.ParseAsync(html, OddsSource.PreMatch);

        var p1Win1 = snapshot!.Bets.FirstOrDefault(b =>
            b.Scope is PeriodScope { Number: 1 } && b.Type == BetType.Win && b.Side == Side.Side1);
        var p1Win2 = snapshot.Bets.FirstOrDefault(b =>
            b.Scope is PeriodScope { Number: 1 } && b.Type == BetType.Win && b.Side == Side.Side2);

        p1Win1.Should().NotBeNull("Basketball Period-1 Win-1 must be present");
        p1Win2.Should().NotBeNull("Basketball Period-1 Win-2 must be present");
    }
}