@page "/prematch"
@using Marathon.UI.Pages.Shared
@inject IStringLocalizer<SharedResource> L
@inject IEventBrowsingService Browsing
@inject EventBrowsingState BrowsingState
@inject NavigationManager Nav

<PageTitle>@L["App.Title"] · @L["Nav.PreMatch"]</PageTitle>

<EventListShell
    Surface="@L["Nav.Section.Analysis"]"
    Title="@L["PreMatch.Title"]"
    Lede="@L["PreMatch.Lede"]"
    Loader="@LoadAsync"
    Filter="@BrowsingState.PreMatch"
    OnFilterChanged="@HandleFilterChanged"
    OnRowClicked="@HandleRowClicked"
    AvailableSports="_availableSports"
    AvailableCountries="_availableCountries"
    LiveMode="false"
    Stale="@_stale" />

@code {
    private IReadOnlyList<int> _availableSports = Array.Empty<int>();
    private IReadOnlyList<string> _availableCountries = Array.Empty<string>();
    private bool _stale;

    protected override async Task OnInitializedAsync()
    {
        try
        {
            _availableSports = await Browsing.ListKnownSportCodesAsync(CancellationToken.None);
            _availableCountries = await Browsing.ListKnownCountryCodesAsync(CancellationToken.None);
        }
        catch
        {
            // Source not yet seeded — leave defaults; the list page renders empty state.
            _stale = true;
        }
    }

    private Task<IReadOnlyList<EventListItem>> LoadAsync(EventFilter filter, CancellationToken ct)
        => Browsing.ListUpcomingAsync(filter, ct);

    private void HandleFilterChanged(EventBrowsingState.PageFilter next)
        => BrowsingState.UpdatePreMatch(next);

    private void HandleRowClicked(EventListItem row)
        => Nav.NavigateTo($"/events/{Uri.EscapeDataString(row.Id.Value)}");
}