@page
@model Admin.Pages.Channel.YouTubePubSub.IndexModel
@{
    ViewData["Title"] = "YouTube PubSub 구독";

    // 채널별 건강 정보 lookup (YouTubeChannelID → ChannelHealthItem)
    var healthByChannelId = Model.Health.Channels
        .GroupBy(h => h.YouTubeChannelID)
        .ToDictionary(g => g.Key, g => g.First());

    string FormatAgo(DateTime? utc)
    {
        if (utc is null) return "-";
        var diff = DateTime.UtcNow - utc.Value;
        if (diff < TimeSpan.Zero) return utc.Value.ToString("yyyy-MM-dd HH:mm:ss") + " UTC";
        if (diff.TotalMinutes < 1) return $"{(int)diff.TotalSeconds}초 전";
        if (diff.TotalHours < 1) return $"{(int)diff.TotalMinutes}분 전";
        if (diff.TotalDays < 1) return $"{(int)diff.TotalHours}시간 전";
        return $"{(int)diff.TotalDays}일 전";
    }

    string FormatUntil(DateTime? utc)
    {
        if (utc is null) return "-";
        var diff = utc.Value - DateTime.UtcNow;
        if (diff < TimeSpan.Zero) return "만료됨";
        if (diff.TotalMinutes < 60) return $"{(int)diff.TotalMinutes}분 후";
        if (diff.TotalHours < 24) return $"{(int)diff.TotalHours}시간 후";
        return $"{(int)diff.TotalDays}일 후";
    }
}

<div class="container">
    <h3>@ViewData["Title"]</h3>
    <hr />

    <partial name="_StatusMessage" />

    <div class="alert alert-info" role="alert">
        <strong>WebSub (PubSubHubbub)</strong> 기반 YouTube 채널 알림 구독 현황입니다.
        <br />
        구독 만료 전(기본 10일) 자동 재구독 백그라운드 서비스가 7일마다 동작합니다. 누락된 채널은 아래 표에서 채널별로 <strong>구독</strong> 버튼을 눌러 동기화하세요.
    </div>

    <hr />

    <!-- 연결 상태 (API 키 / HMAC / 수집 현황) -->
    <details open>
        <summary class="fs-5 mb-3">연결 상태</summary>

        <div class="row g-3 mb-3">
            <div class="col-md-6 col-lg-3">
                <div class="card h-100">
                    <div class="card-body py-3 px-3">
                        <div class="text-muted small fw-semibold mb-2">API Key</div>
                        @if (Model.Health.ApiKeyConfigured)
                        {
                            <div class="fs-6"><span class="badge bg-success">설정됨</span> <code class="small ms-1">@Model.Health.ApiKeyMaskedTail</code></div>
                        }
                        else
                        {
                            <div class="fs-6"><span class="badge bg-danger">없음</span></div>
                        }
                    </div>
                </div>
            </div>
            <div class="col-md-6 col-lg-3">
                <div class="card h-100">
                    <div class="card-body py-3 px-3">
                        <div class="text-muted small fw-semibold mb-2">HMAC Secret</div>
                        @if (Model.Health.HmacSecretConfigured)
                        {
                            <div class="fs-6"><span class="badge bg-success">설정됨</span> <code class="small ms-1">@Model.Health.HmacSecretMaskedTail</code></div>
                        }
                        else
                        {
                            <div class="fs-6"><span class="badge bg-danger">없음</span></div>
                        }
                    </div>
                </div>
            </div>
            <div class="col-md-6 col-lg-3">
                <div class="card h-100">
                    <div class="card-body py-3 px-3">
                        <div class="text-muted small fw-semibold mb-2">Feed 폴링 주기</div>
                        <div class="fs-4 fw-bold">@Model.Health.FeedPollingIntervalMinutes <span class="fs-6 fw-normal text-muted">분</span></div>
                    </div>
                </div>
            </div>
            <div class="col-md-6 col-lg-3">
                <div class="card h-100">
                    <div class="card-body py-3 px-3">
                        <div class="text-muted small fw-semibold mb-2">라이브 채팅 수집기</div>
                        <div class="fs-4 fw-bold">@Model.Health.ActiveLiveChatCollectors <span class="fs-6 fw-normal text-muted">개 활성</span></div>
                    </div>
                </div>
            </div>
        </div>

        <div class="row g-3 mb-3">
            <div class="col-md-6 col-lg-3">
                <div class="card h-100">
                    <div class="card-body py-3 px-3">
                        <div class="text-muted small fw-semibold mb-2">활성 내부 채널</div>
                        <div class="fs-4 fw-bold">@Model.Health.ActiveInternalChannelsCount</div>
                    </div>
                </div>
            </div>
            <div class="col-md-6 col-lg-3">
                <div class="card h-100">
                    <div class="card-body py-3 px-3">
                        <div class="text-muted small fw-semibold mb-2">PubSub 구독 채널</div>
                        <div class="fs-4 fw-bold">@Model.Health.SubscribedChannelsCount</div>
                    </div>
                </div>
            </div>
            <div class="col-md-6 col-lg-3">
                <div class="card h-100">
                    <div class="card-body py-3 px-3">
                        <div class="text-muted small fw-semibold mb-2">현재 라이브</div>
                        <div class="fs-4 fw-bold">@Model.Health.ActiveLiveVideosCount</div>
                    </div>
                </div>
            </div>
            <div class="col-md-6 col-lg-3">
                <div class="card h-100">
                    <div class="card-body py-3 px-3 d-flex flex-column">
                        <div class="text-muted small fw-semibold mb-2">수동 API 키 테스트</div>
                        <form method="post" asp-page-handler="TestApiKey" class="mt-auto">
                            <button type="submit" class="btn btn-sm btn-outline-primary w-100" data-once>
                                <i class="bi bi-plug"></i> API 키 테스트 (1 unit)
                            </button>
                        </form>
                        <div class="form-text small mt-1">30초 쿨다운</div>
                    </div>
                </div>
            </div>
        </div>
    </details>

    <hr />

    <!-- 현재 감지된 라이브 -->
    <details open>
        <summary class="fs-5 mb-3 d-flex justify-content-between align-items-center">
            <span>현재 감지된 라이브</span>
            <span class="badge bg-danger">@Model.LiveStatus.Items.Count</span>
        </summary>

        @if (Model.LiveStatus.Items.Count == 0)
        {
            <div class="p-3 text-muted text-center">현재 감지된 라이브 방송이 없습니다.</div>
        }
        else
        {
            <div class="table-responsive">
                <table class="table table-sm mb-0 align-middle">
                    <thead>
                        <tr>
                            <th>채널명</th>
                            <th>Video ID</th>
                            <th>제목</th>
                            <th style="width: 180px;">시작 시각(UTC)</th>
                        </tr>
                    </thead>
                    <tbody>
                        @foreach (var live in Model.LiveStatus.Items)
                        {
                            <tr>
                                <td>@(live.ChannelName ?? "(미확인)")</td>
                                <td><code class="small">@live.VideoID</code></td>
                                <td>@live.Title</td>
                                <td class="small">@(live.ActualStartTime?.ToString("yyyy-MM-dd HH:mm:ss") ?? "-")</td>
                            </tr>
                        }
                    </tbody>
                </table>
            </div>
        }
    </details>

    <hr />

    <!-- 수동 라이브 감지 -->
    <details>
        <summary class="fs-5 mb-3">수동 방송 감지 (긴급 복구용 - quota 사용)</summary>

        <div class="alert alert-warning small mb-3">
            현재 라이브 중인데 PubSub/Feed 폴링으로 감지되지 않았을 때 수동 트리거합니다.
            <code>PubSubNotify.Command</code> 파이프라인 그대로 실행 →
            <code>videos.list</code> 1 unit → <code>actualStartTime</code> 있으면 BroadcastSession 생성 + LiveChat 시작.
        </div>

        <form method="post" asp-page-handler="ManualDetect">
            <div class="row mb-2">
                <label class="col-sm-3 col-form-label">Video ID</label>
                <div class="col-sm-9">
                    <input type="text" name="videoID" class="form-control" placeholder="예: fP_nhSiokTM" required />
                    <div class="text-muted form-text">YouTube 라이브 URL의 <code>watch?v=</code> 뒤 문자열</div>
                </div>
            </div>

            <div class="row mb-2">
                <label class="col-sm-3 col-form-label">YouTube Channel ID</label>
                <div class="col-sm-9">
                    <input type="text" name="youtubeChannelID" class="form-control" placeholder="예: UCRTyksdGsRT-iwE2gceyJ0A" required />
                    <div class="text-muted form-text">UC로 시작하는 YouTube 채널 ID</div>
                </div>
            </div>

            <div class="row">
                <div class="col text-center p-3">
                    <button type="submit" class="btn btn-warning">감지 실행</button>
                </div>
            </div>
        </form>
    </details>

    <hr />

    <!-- 라이브 강제 마킹 (quota 0) -->
    <details>
        <summary class="fs-5 mb-3">강제 방송 감지 (quota 초과 시 긴급 복구용)</summary>

        <div class="alert alert-danger small mb-3">
            <strong>quota 소진 등으로 YouTube API 호출이 불가능할 때</strong> 사용. YouTube API 호출 없이
            Redis 라이브 상태 + DB BroadcastSession + SignalR ReceiveChannelStatus 만 처리합니다.
            제목 등 메타데이터는 검증 안 되므로 운영자 책임 하에 정확히 입력해야 합니다.
            <br />라이브 종료 시 <strong>강제 종료 마킹</strong>도 같이 사용해 주세요 (자동 정리 안 됨).
        </div>

        <form method="post" asp-page-handler="ForceLive" class="mb-4">
            <div class="row mb-2">
                <label class="col-sm-3 col-form-label">YouTube Channel ID <span class="text-danger">*</span></label>
                <div class="col-sm-9">
                    <input type="text" name="youtubeChannelID" class="form-control" placeholder="예: UCRTyksdGsRT-iwE2gceyJ0A" required />
                </div>
            </div>

            <div class="row mb-2">
                <label class="col-sm-3 col-form-label">Video ID <span class="text-danger">*</span></label>
                <div class="col-sm-9">
                    <input type="text" name="videoID" class="form-control" placeholder="예: xF2ausgpWkQ" required />
                    <div class="text-muted form-text">YouTube 라이브 URL의 <code>watch?v=</code> 뒤 문자열</div>
                </div>
            </div>

            <div class="row mb-2">
                <label class="col-sm-3 col-form-label">제목 (선택)</label>
                <div class="col-sm-9">
                    <input type="text" name="title" class="form-control" placeholder="(미입력 시 '(수동 등록 라이브)')" />
                </div>
            </div>

            <div class="row">
                <div class="col text-center p-3">
                    <button type="submit" class="btn btn-danger">감지 실행</button>
                </div>
            </div>
        </form>

        <hr />

        <h6 class="mb-2">라이브 강제 종료 마킹</h6>
        <form method="post" asp-page-handler="ForceOffline"
              onsubmit="return confirm('이 채널의 라이브 상태를 강제 종료할까요? Redis ClearLive + isLive=false 브로드캐스트.');">
            <div class="row mb-2">
                <label class="col-sm-3 col-form-label">YouTube Channel ID <span class="text-danger">*</span></label>
                <div class="col-sm-9">
                    <input type="text" name="youtubeChannelID" class="form-control" placeholder="예: UCRTyksdGsRT-iwE2gceyJ0A" required />
                </div>
            </div>

            <div class="row">
                <div class="col text-center p-3">
                    <button type="submit" class="btn btn-outline-danger">라이브 강제 종료 (quota 0)</button>
                </div>
            </div>
        </form>
    </details>

    <hr />

    <!-- Callback URL -->
    <details open>
        <summary class="fs-5 mb-3">Callback URL</summary>

        <div class="row mb-2">
            <div class="col-12">
                <code>@Model.Data.CallbackUrl</code>
                <div class="text-muted form-text">
                    YouTube PubSub 허브가 알림을 전송하는 엔드포인트. 공개 HTTPS 여야 하며 <code>appsettings</code>의 <code>YouTube:CallbackUrl</code>로 설정합니다.
                </div>
            </div>
        </div>
    </details>

    <hr />

    <!-- YouTube 연동 채널 -->
    <details open>
        <summary class="fs-5 mb-3 d-flex justify-content-between align-items-center">
            <span>YouTube 연동 채널</span>
            <span>
                <span class="badge bg-success">구독 @Model.Data.SubscribedCount</span>
                <span class="badge bg-secondary">전체 @Model.Data.TotalCount</span>
            </span>
        </summary>

        @if (Model.Data.TotalCount == 0)
        {
            <div class="p-4 text-center text-muted">표시할 채널이 없습니다.</div>
        }
        else
        {
            <div class="table-responsive">
                <table class="table table-hover mb-0 align-middle">
                    <thead>
                        <tr>
                            <th style="width: 60px;">썸네일</th>
                            <th>채널명</th>
                            <th>YouTube Channel ID</th>
                            <th style="width: 110px;">채널 상태</th>
                            <th style="width: 110px;">구독</th>
                            <th style="width: 120px;">마지막 폴링</th>
                            <th style="width: 120px;">구독 만료</th>
                            <th style="width: 160px;">마지막 비디오</th>
                            <th style="width: 200px;" class="text-end text-nowrap">작업</th>
                        </tr>
                    </thead>
                    <tbody>
                        @foreach (var item in Model.Data.Items)
                        {
                            <tr>
                                <td>
                                    @if (!string.IsNullOrEmpty(item.ThumbnailUrl))
                                    {
                                        <img src="@item.ThumbnailUrl" alt="" style="width: 40px; height: 40px; border-radius: 50%; object-fit: cover;" />
                                    }
                                    else
                                    {
                                        <i class="bi bi-person-circle" style="font-size: 2rem; color: #ccc;"></i>
                                    }
                                </td>
                                <td>
                                    @if (item.HasInternalChannel)
                                    {
                                        <div>
                                            <strong>@item.ChannelName</strong>
                                            @if (!string.IsNullOrEmpty(item.Handle))
                                            {
                                                <small class="text-muted">(@@@item.Handle)</small>
                                            }
                                        </div>
                                    }
                                    else
                                    {
                                        <span class="text-muted">(내부 채널 없음 · 고아 구독)</span>
                                    }
                                </td>
                                <td><code class="small">@item.YouTubeChannelID</code></td>
                                <td>
                                    @if (!item.HasInternalChannel)
                                    {
                                        <span class="badge bg-warning">고아</span>
                                    }
                                    else if (item.IsActive)
                                    {
                                        <span class="badge bg-success">활성</span>
                                    }
                                    else
                                    {
                                        <span class="badge bg-secondary">비활성</span>
                                    }
                                </td>
                                <td>
                                    @if (item.IsSubscribed)
                                    {
                                        <span class="badge bg-primary text-nowrap"><i class="bi bi-check-lg"></i> 구독됨</span>
                                    }
                                    else
                                    {
                                        <span class="badge bg-light text-dark border text-nowrap"><i class="bi bi-x"></i> 미구독</span>
                                    }
                                </td>
                                @{
                                    healthByChannelId.TryGetValue(item.YouTubeChannelID, out var h);
                                }
                                <td class="small">
                                    <span title="@(h?.LastPolledAtUtc?.ToString("yyyy-MM-dd HH:mm:ss") ?? "-") UTC">@FormatAgo(h?.LastPolledAtUtc)</span>
                                </td>
                                <td class="small">
                                    @{
                                        var leaseLabel = FormatUntil(h?.LeaseExpiresAtUtc);
                                        var leaseClass = h?.LeaseExpiresAtUtc is null
                                            ? "text-muted"
                                            : (h.LeaseExpiresAtUtc.Value - DateTime.UtcNow).TotalDays < 2 ? "text-danger" : "";
                                    }
                                    <span class="@leaseClass" title="@(h?.LeaseExpiresAtUtc?.ToString("yyyy-MM-dd HH:mm:ss") ?? "-") UTC">@leaseLabel</span>
                                </td>
                                <td class="small">
                                    @if (!string.IsNullOrEmpty(h?.LastProcessedVideoId))
                                    {
                                        <code class="small">@h.LastProcessedVideoId</code>
                                    }
                                    else
                                    {
                                        <span class="text-muted">-</span>
                                    }
                                </td>
                                <td class="text-end text-nowrap">
                                    <div class="d-flex gap-1 justify-content-end flex-nowrap">
                                        @if (!item.IsSubscribed)
                                        {
                                            <form method="post" asp-page-handler="Resubscribe">
                                                <input type="hidden" name="youtubeChannelID" value="@item.YouTubeChannelID" />
                                                <button type="submit" class="btn btn-sm btn-primary text-nowrap">
                                                    <i class="bi bi-plus-lg"></i> 구독
                                                </button>
                                            </form>
                                        }
                                        else
                                        {
                                            <form method="post" asp-page-handler="Resubscribe">
                                                <input type="hidden" name="youtubeChannelID" value="@item.YouTubeChannelID" />
                                                <button type="submit" class="btn btn-sm btn-outline-primary text-nowrap">
                                                    <i class="bi bi-arrow-repeat"></i> 재구독
                                                </button>
                                            </form>
                                            <form method="post" asp-page-handler="Unsubscribe"
                                                  onsubmit="return confirm('이 채널의 PubSub 구독을 해지할까요?');">
                                                <input type="hidden" name="youtubeChannelID" value="@item.YouTubeChannelID" />
                                                <button type="submit" class="btn btn-sm btn-outline-danger text-nowrap">
                                                    <i class="bi bi-dash-lg"></i> 해지
                                                </button>
                                            </form>
                                        }
                                    </div>
                                </td>
                            </tr>
                        }
                    </tbody>
                </table>
            </div>
        }
    </details>

    <br />
</div>