@page
@model PlanTempusAdmin.Pages.Azure.IndexModel
@{
    ViewData["Title"] = "Azure Storage";
}

@section Styles {
    <link rel="stylesheet" href="~/css/pages/azure.css" asp-append-version="true" />
}

<div class="page-header">
    <h1 class="page-title">Azure Blob Storage</h1>
    <p class="page-subtitle">@Model.Dashboard.AccountName</p>
</div>

@if (!Model.IsConnected)
{
    <div class="card">
        <div class="card-body">
            <p class="text-danger">Kan ikke forbinde til Azure Storage</p>
            <p class="text-muted">Tjek at <code>ConnectionStrings:AzureStorage</code> er konfigureret i appsettings.json</p>
        </div>
    </div>
}
else
{
    var d = Model.Dashboard;

    <!-- Hero Stats -->
    <div class="status-grid">
        <div class="status-item">
            <div class="status-label">Status</div>
            <div class="status-value success">ONLINE</div>
            <div class="status-detail">@d.AccountName</div>
        </div>
        <div class="status-item">
            <div class="status-label">Containers</div>
            <div class="status-value">@d.TotalContainers</div>
            <div class="status-detail">@d.TotalBlobs blobs total</div>
        </div>
        <div class="status-item">
            <div class="status-label">Total Størrelse</div>
            <div class="status-value">@FormatBytes(d.TotalSize)</div>
            <div class="status-detail">Backup: @FormatBytes(d.BackupTotalSize)</div>
        </div>
        <div class="status-item">
            <div class="status-label">Sidste Upload</div>
            <div class="status-value @(d.LastBackupUpload.HasValue && (DateTimeOffset.Now - d.LastBackupUpload.Value).TotalHours < 24 ? "success" : "warning")">
                @FormatTimeAgo(d.LastBackupUpload)
            </div>
            <div class="status-detail">@d.BackupFileCount backup filer</div>
        </div>
    </div>

    <div class="dashboard-grid mt-2">
        <!-- Containers -->
        <div class="card">
            <div class="card-header">Containers</div>
            <table class="table">
                <thead>
                    <tr>
                        <th>Navn</th>
                        <th>Blobs</th>
                        <th>Størrelse</th>
                        <th>Ændret</th>
                        <th></th>
                    </tr>
                </thead>
                <tbody>
                    @foreach (var container in d.Containers)
                    {
                        <tr>
                            <td>
                                @if (container.Name.Contains("backup", StringComparison.OrdinalIgnoreCase))
                                {
                                    <span class="container-icon">💾</span>
                                }
                                else
                                {
                                    <span class="container-icon">📦</span>
                                }
                                <code>@container.Name</code>
                            </td>
                            <td>@container.BlobCount</td>
                            <td>@FormatBytes(container.TotalSize)</td>
                            <td>@FormatTimeAgo(container.LastModified)</td>
                            <td>
                                <a href="/Azure/Container?name=@container.Name" class="btn btn-sm">Åbn</a>
                            </td>
                        </tr>
                    }
                </tbody>
            </table>
        </div>

        <!-- Recent Uploads -->
        <div class="card">
            <div class="card-header">Seneste Uploads</div>
            <div class="card-body compact-list">
                @if (d.RecentBlobs.Count == 0)
                {
                    <p class="text-muted">Ingen filer endnu</p>
                }
                @foreach (var blob in d.RecentBlobs)
                {
                    <div class="list-item">
                        <div class="item-main">
                            <span class="file-icon">@GetFileIcon(blob.Name)</span>
                            <code class="blob-name" title="@blob.Name">@blob.FileName</code>
                            @if (!string.IsNullOrEmpty(blob.AccessTier))
                            {
                                <span class="badge badge-tier">@blob.AccessTier</span>
                            }
                        </div>
                        <div class="item-meta">
                            @FormatBytes(blob.Size) · @FormatTimeAgo(blob.LastModified)
                            @if (!string.IsNullOrEmpty(blob.Directory))
                            {
                                <text>· @blob.Directory</text>
                            }
                        </div>
                    </div>
                }
            </div>
        </div>
    </div>

    <!-- Last Updated -->
    <div class="last-updated mt-2">
        Opdateret: @DateTime.Now.ToString("HH:mm:ss")
    </div>
}

@functions {
    string FormatBytes(long bytes)
    {
        if (bytes == 0) return "0 B";
        var sizes = new[] { "B", "KB", "MB", "GB", "TB" };
        var i = (int)Math.Floor(Math.Log(bytes) / Math.Log(1024));
        return $"{Math.Round(bytes / Math.Pow(1024, i), 1)} {sizes[i]}";
    }

    string FormatTimeAgo(DateTimeOffset? time)
    {
        if (!time.HasValue) return "-";
        var diff = DateTimeOffset.Now - time.Value;
        if (diff.TotalMinutes < 1) return "lige nu";
        if (diff.TotalMinutes < 60) return $"{(int)diff.TotalMinutes}m siden";
        if (diff.TotalHours < 24) return $"{(int)diff.TotalHours}t siden";
        if (diff.TotalDays < 7) return $"{(int)diff.TotalDays}d siden";
        return time.Value.ToString("dd/MM");
    }

    string GetFileIcon(string name)
    {
        if (name.EndsWith(".tar.gz")) return "📦";
        if (name.EndsWith(".gz") || name.EndsWith(".zip") || name.EndsWith(".7z")) return "📦";
        if (name.EndsWith(".sql")) return "🐘";
        if (name.EndsWith(".bak")) return "💾";
        if (name.EndsWith(".log")) return "📜";
        if (name.EndsWith(".json")) return "📋";
        if (name.EndsWith(".xml")) return "📄";
        return "📄";
    }
}