package app

import (
	"fmt"
	"github.com/seaweedfs/seaweedfs/weed/admin/dash"
)

templ MountClients(data dash.MountClientsData) {
	<div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
		<h1 class="h2">
			<i class="fas fa-plug me-2"></i>Mount Clients
		</h1>
		<div class="btn-toolbar mb-2 mb-md-0">
			<div class="btn-group me-2">
				<button type="button" class="btn btn-sm btn-outline-primary" onclick="exportMountClients()">
					<i class="fas fa-download me-1"></i>Export
				</button>
			</div>
		</div>
	</div>

	<div id="mount-clients-content">
		<!-- Summary Cards -->
		<div class="row mb-4">
			<div class="col-xl-12 col-md-12 mb-4">
				<div class="card border-left-info shadow h-100 py-2">
					<div class="card-body">
						<div class="row no-gutters align-items-center">
							<div class="col mr-2">
								<div class="text-xs font-weight-bold text-info text-uppercase mb-1">
									Connected Mount Clients
								</div>
								<div class="h5 mb-0 font-weight-bold text-gray-800">
									{ fmt.Sprintf("%d", data.TotalMountClients) }
								</div>
							</div>
							<div class="col-auto">
								<i class="fas fa-plug fa-2x text-gray-300"></i>
							</div>
						</div>
					</div>
				</div>
			</div>
		</div>

		<!-- Mount Clients Table -->
		<div class="card shadow mb-4">
			<div class="card-header py-3">
				<h6 class="m-0 font-weight-bold text-primary">
					<i class="fas fa-plug me-2"></i>Mount Clients
				</h6>
			</div>
			<div class="card-body">
				if len(data.MountClients) > 0 {
					<div class="table-responsive">
						<table class="table table-hover" id="mountClientsTable">
							<thead>
								<tr>
									<th>Address</th>
									<th>Type</th>
									<th>Path Prefix</th>
									<th>Client ID</th>
									<th>Connected Since</th>
									<th>Filer</th>
								</tr>
							</thead>
							<tbody>
								for _, c := range data.MountClients {
									<tr>
										<td><code>{ c.Address }</code></td>
										<td>
											<span class="badge bg-info text-dark">{ c.ClientType }</span>
										</td>
										<td><code>{ c.PathPrefix }</code></td>
										<td>{ fmt.Sprintf("%d", c.ClientId) }</td>
										<td>
											if !c.ConnectedAt.IsZero() {
												{ c.ConnectedAt.Format("2006-01-02 15:04:05") }
											} else {
												<span class="text-muted">N/A</span>
											}
										</td>
										<td>
											<span class="badge bg-light text-dark">{ c.FilerAddress }</span>
										</td>
									</tr>
								}
							</tbody>
						</table>
					</div>
				} else {
					<div class="text-center py-5">
						<i class="fas fa-plug fa-3x text-muted mb-3"></i>
						<h5 class="text-muted">No Mount Clients Found</h5>
						<p class="text-muted">No FUSE or VFS mounts are currently connected to the cluster's filers.</p>
					</div>
				}
			</div>
		</div>

		<!-- Last Updated -->
		<div class="row">
			<div class="col-12">
				<small class="text-muted">
					<i class="fas fa-clock me-1"></i>
					Last updated: { data.LastUpdated.Format("2006-01-02 15:04:05") }
				</small>
			</div>
		</div>
	</div>

	<script>
	function exportMountClients() {
		const rows = Array.from(document.querySelectorAll('#mountClientsTable tbody tr')).map(row => {
			const cells = row.querySelectorAll('td');
			if (cells.length > 1) {
				return Array.from(cells).slice(0, 6).map(c => c.textContent.trim());
			}
			return null;
		}).filter(row => row !== null);

		// Quote every field and escape embedded quotes so special characters in
		// paths (#, ?, %, commas) survive. Build a Blob rather than a data: URI.
		const esc = v => '"' + String(v).replace(/"/g, '""') + '"';
		const csv = "Address,Type,Path Prefix,Client ID,Connected Since,Filer\n" +
			rows.map(r => r.map(esc).join(",")).join("\n");

		const blob = new Blob([csv], { type: "text/csv;charset=utf-8;" });
		const url = URL.createObjectURL(blob);
		const link = document.createElement("a");
		link.href = url;
		link.download = "mount-clients.csv";
		document.body.appendChild(link);
		link.click();
		document.body.removeChild(link);
		URL.revokeObjectURL(url);
	}
	</script>
}