using Marathon.Application.Storage;
using Marathon.UI.Services;

namespace Marathon.UI.Tests.Support;

/// <summary>
/// In-memory <see cref="IResultsBrowsingService"/> for bUnit tests.
/// Seed via <see cref="ResultItems"/> / <see cref="Candidates"/>.
/// </summary>
public sealed class FakeResultsBrowsingService : IResultsBrowsingService
{
    public List<EventResultListItem> ResultItems { get; } = new();
    public List<EventResultCandidate> Candidates { get; } = new();
    public ResultsFilter? LastResultsFilter { get; private set; }
    public DateRange? LastCandidatesRange { get; private set; }

    public Task<IReadOnlyList<EventResultListItem>> ListResultsAsync(
        ResultsFilter filter,
        CancellationToken ct)
    {
        LastResultsFilter = filter;
        IEnumerable<EventResultListItem> q = ResultItems;

        if (filter.SportCodes is { Count: > 0 } sports)
            q = q.Where(r => sports.Contains(r.Sport.Value));

        if (filter.WinnerSide is { } winner)
            q = q.Where(r => r.WinnerSide == winner);

        if (!string.IsNullOrWhiteSpace(filter.SearchTerm))
        {
            var t = filter.SearchTerm.Trim();
            q = q.Where(r =>
                r.LeagueId.Contains(t, StringComparison.OrdinalIgnoreCase) ||
                r.Side1Name.Contains(t, StringComparison.OrdinalIgnoreCase) ||
                r.Side2Name.Contains(t, StringComparison.OrdinalIgnoreCase));
        }

        return Task.FromResult<IReadOnlyList<EventResultListItem>>(q.ToList());
    }

    public Task<IReadOnlyList<EventResultCandidate>> ListLoadCandidatesAsync(
        DateRange range,
        CancellationToken ct)
    {
        LastCandidatesRange = range;
        return Task.FromResult<IReadOnlyList<EventResultCandidate>>(Candidates.ToList());
    }
}