@page "/gm/{Slug}"
@layout PublicLayout
@inject ISessionStore SessionStore
@inject IPortfolioStore PortfolioStore
@inject NavigationManager Navigation
@inject IHttpContextAccessor HttpContextAccessor
@using GmRelay.Web.Components.Portfolio
@using GmRelay.Web.Services.Portfolio

<PageTitle>@PageTitleText</PageTitle>

@if (loaded && profile is null)
{
    <HeadContent>
        <meta name="robots" content="noindex, nofollow" />
    </HeadContent>

    <section class="public-hero public-hero-compact">
        <span class="status-badge status-neutral">Недоступно</span>
        <h1>Профиль мастера не найден</h1>
        <p>Мастер скрыл профиль или этот короткий адрес больше не используется.</p>
    </section>
}
else if (!loaded)
{
    <section class="public-hero public-hero-compact">
        <div class="skeleton skeleton-text" style="width: 55%; height: 2rem;"></div>
        <div class="skeleton skeleton-text" style="width: 75%;"></div>
    </section>
}
else if (profile is not null)
{
    <HeadContent>
        <meta name="description" content="@($"Публичный профиль мастера {profile.DisplayName} в GM-Relay.")" />
    </HeadContent>

    <section class="public-hero public-hero-compact master-profile-hero">
        <span class="status-badge status-success">Мастер</span>
        <h1>@profile.DisplayName</h1>
        @if (!string.IsNullOrWhiteSpace(profile.Bio))
        {
            <p>@profile.Bio</p>
        }
        <div class="public-share-row">
            <span>Ссылка профиля</span>
            <a href="@PublicMasterProfileUrl" target="_blank" rel="noopener noreferrer">@PublicMasterProfileUrl</a>
        </div>
    </section>

    @if (profile.Clubs.Count > 0)
    {
        <section class="glass-card master-profile-section">
            <h2>Клубы</h2>
            <div class="master-profile-club-list">
                @foreach (var club in profile.Clubs)
                {
                    <a class="status-badge status-info" href="@($"/club/{club.Slug}")">@club.Name</a>
                }
            </div>
        </section>
    }

    @if (profile.Sessions.Count == 0)
    {
        <div class="glass-card public-empty-state">
            <h2>Опубликованных игр пока нет</h2>
            <p>Когда мастер откроет игры для каталога, они появятся здесь.</p>
        </div>
    }
    else
    {
        <div class="public-session-list">
            @foreach (var session in profile.Sessions)
            {
                <article class="public-session-card">
                    <div class="public-session-main">
                        <span class="status-badge @GetStatusClass(session.Status)">@TranslateStatus(session.Status)</span>
                        <h2>@session.Title</h2>
                        <div class="public-session-meta">
                            <span>@session.GroupName</span>
                            <span>@session.ScheduledAt.FormatMoscow()</span>
                            <span>@FormatSeats(session)</span>
                        </div>
                    </div>
                    <a class="btn-gm btn-gm-outline" href="@($"/s/{session.Id}")">Открыть</a>
                </article>
            }
        </div>
    }

    @if (portfolioGames.Count > 0)
    {
        <section class="glass-card portfolio-section">
            <h2>Портфолио</h2>
            <p>Завершённые игры мастера, открытые для публичного просмотра.</p>
            <PortfolioCardGrid Games="portfolioGames" />
        </section>
    }
}

@code {
    [Parameter] public string? Slug { get; set; }

    private GmRelay.Web.Services.PublicMasterProfile? profile;
    private IReadOnlyList<PublicPortfolioCard> portfolioGames = [];
    private bool loaded;

    private string PageTitleText => profile is null ? "Профиль мастера — GM-Relay" : $"{profile.DisplayName} — GM-Relay";

    private string PublicMasterProfileUrl =>
        profile is null
            ? Navigation.ToAbsoluteUri($"/gm/{Slug}").ToString()
            : Navigation.ToAbsoluteUri($"/gm/{profile.Slug}").ToString();

    protected override async Task OnParametersSetAsync()
    {
        loaded = false;
        var trimmedSlug = string.IsNullOrWhiteSpace(Slug) ? null : Slug.Trim();

        Guid? viewerPlayerId = null;
        var user = HttpContextAccessor.HttpContext?.User;
        if (user?.Identity?.IsAuthenticated == true && user.TryGetPlatformIdentity(out _, out var externalUserId))
        {
            var platform = user.FindFirst("Platform")?.Value;
            viewerPlayerId = !string.IsNullOrWhiteSpace(platform)
                ? await SessionStore.GetPlayerIdByPlatformIdentityAsync(platform, externalUserId)
                : null;
        }

        profile = trimmedSlug is null
            ? null
            : await SessionStore.GetPublicMasterProfileBySlugAsync(trimmedSlug, viewerPlayerId);
        portfolioGames = trimmedSlug is null
            ? []
            : await PortfolioStore.GetPublicPortfolioGamesForMasterAsync(trimmedSlug);
        loaded = true;
    }

    private static string FormatSeats(WebPublicSession session)
    {
        var seats = session.MaxPlayers.HasValue
            ? $"{session.ActivePlayerCount}/{session.MaxPlayers.Value}"
            : $"{session.ActivePlayerCount} игроков";

        return session.WaitlistedPlayerCount > 0
            ? $"{seats}, ожидание {session.WaitlistedPlayerCount}"
            : seats;
    }

    private static string GetStatusClass(string status) => status switch
    {
        SessionStatus.Confirmed => "status-success",
        SessionStatus.ConfirmationSent => "status-warning",
        SessionStatus.Planned => "status-info",
        _ => "status-neutral"
    };

    private static string TranslateStatus(string status) => status switch
    {
        SessionStatus.Planned => "Запланировано",
        SessionStatus.ConfirmationSent => "Ждем подтверждения",
        SessionStatus.Confirmed => "Подтверждено",
        _ => status
    };
}