package app

import (
	"fmt"
	"strings"

	"github.com/seaweedfs/seaweedfs/weed/admin/dash"
	"github.com/seaweedfs/seaweedfs/weed/s3api/s3tables"
)

templ S3TablesNamespaces(data dash.S3TablesNamespacesData) {
	<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-layer-group me-2"></i>S3 Tables Namespaces
		</h1>
		<div class="btn-toolbar mb-2 mb-md-0">
			<div class="btn-group me-2">
				<button type="button" class="btn btn-sm btn-primary" data-bs-toggle="modal" data-bs-target="#createS3TablesNamespaceModal">
					<i class="fas fa-plus me-1"></i>Create Namespace
				</button>
			</div>
		</div>
	</div>
	<div class="mb-3">
		<a href="/object-store/s3tables/buckets" class="btn btn-sm btn-outline-secondary">
			<i class="fas fa-arrow-left me-1"></i>Back to Buckets
		</a>
		<span class="text-muted ms-2">Bucket ARN: { data.BucketARN }</span>
	</div>
	<div id="s3tables-namespaces-content" data-bucket-arn={ data.BucketARN }>
		<div class="row mb-4">
			<div class="col-xl-4 col-md-6 mb-4">
				<div class="card border-left-primary 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-primary text-uppercase mb-1">
									Total Namespaces
								</div>
								<div class="h5 mb-0 font-weight-bold text-gray-800">
									{ fmt.Sprintf("%d", data.TotalNamespaces) }
								</div>
							</div>
							<div class="col-auto">
								<i class="fas fa-layer-group fa-2x text-gray-300"></i>
							</div>
						</div>
					</div>
				</div>
			</div>
			<div class="col-xl-4 col-md-6 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">
									Last Updated
								</div>
								<div class="h6 mb-0 font-weight-bold text-gray-800">
									{ data.LastUpdated.Format("15:04") }
								</div>
							</div>
							<div class="col-auto">
								<i class="fas fa-clock fa-2x text-gray-300"></i>
							</div>
						</div>
					</div>
				</div>
			</div>
		</div>
		<div class="row">
			<div class="col-12">
				<div class="card shadow mb-4">
					<div class="card-header py-3 d-flex flex-row align-items-center justify-content-between">
						<h6 class="m-0 font-weight-bold text-primary">
							<i class="fas fa-layer-group me-2"></i>Namespaces
						</h6>
					</div>
					<div class="card-body">
						<div class="table-responsive">
							<table class="table table-hover" width="100%" cellspacing="0" id="s3tablesNamespacesTable">
								<thead>
									<tr>
										<th>Namespace</th>
										<th>Created</th>
										<th>Actions</th>
									</tr>
								</thead>
								<tbody>
									for _, namespace := range data.Namespaces {
										<tr>
											<td>{ strings.Join(namespace.Namespace, ".") }</td>
											<td>{ namespace.CreatedAt.Format("2006-01-02 15:04") }</td>
											<td>
												<div class="btn-group btn-group-sm" role="group">
													{{ bucketName, parseErr := s3tables.ParseBucketNameFromARN(data.BucketARN) }}
													{{ namespaceName := strings.Join(namespace.Namespace, ".") }}
													if parseErr == nil {
														<a class="btn btn-outline-primary btn-sm" href={ templ.SafeURL(fmt.Sprintf("/object-store/s3tables/buckets/%s/namespaces/%s/tables", bucketName, namespaceName)) }>
															<i class="fas fa-table"></i>
														</a>
													} else {
														<button type="button" class="btn btn-outline-primary btn-sm" disabled title="Invalid bucket ARN">
															<i class="fas fa-table"></i>
														</button>
													}
													<button type="button" class="btn btn-outline-danger btn-sm s3tables-delete-namespace-btn" data-namespace-name={ namespaceName } title="Delete">
														<i class="fas fa-trash"></i>
													</button>
												</div>
											</td>
										</tr>
									}
									if len(data.Namespaces) == 0 {
										<tr>
											<td colspan="3" class="text-center text-muted py-4">
												<i class="fas fa-layer-group fa-3x mb-3 text-muted"></i>
												<div>
													<h5>No namespaces found</h5>
													<p>Create your first namespace to organize tables.</p>
													<button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#createS3TablesNamespaceModal">
														<i class="fas fa-plus me-1"></i>Create Namespace
													</button>
												</div>
											</td>
										</tr>
									}
								</tbody>
							</table>
						</div>
					</div>
				</div>
			</div>
		</div>
	</div>
	<div class="modal fade" id="createS3TablesNamespaceModal" tabindex="-1" aria-labelledby="createS3TablesNamespaceModalLabel" aria-hidden="true">
		<div class="modal-dialog">
			<div class="modal-content">
				<div class="modal-header">
					<h5 class="modal-title" id="createS3TablesNamespaceModalLabel">
						<i class="fas fa-plus me-2"></i>Create Namespace
					</h5>
					<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
				</div>
	<form id="createS3TablesNamespaceForm">
				<div class="modal-body">
					<input type="hidden" name="bucket_arn" value={ data.BucketARN }/>
					<div class="mb-3">
						<label for="s3tablesNamespaceName" class="form-label">Namespace</label>
							<input type="text" class="form-control" id="s3tablesNamespaceName" name="name" placeholder="analytics" required/>
							<div class="form-text">Namespaces use a single level (no dots).</div>
						</div>
					</div>
					<div class="modal-footer">
						<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
						<button type="submit" class="btn btn-primary">
							<i class="fas fa-plus me-1"></i>Create
						</button>
					</div>
				</form>
			</div>
		</div>
	</div>
	<div class="modal fade" id="deleteS3TablesNamespaceModal" tabindex="-1" aria-labelledby="deleteS3TablesNamespaceModalLabel" aria-hidden="true">
		<div class="modal-dialog">
			<div class="modal-content">
				<div class="modal-header">
					<h5 class="modal-title" id="deleteS3TablesNamespaceModalLabel">
						<i class="fas fa-exclamation-triangle me-2 text-warning"></i>Delete Namespace
					</h5>
					<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
				</div>
				<div class="modal-body">
					<p>Are you sure you want to delete the namespace <strong id="deleteS3TablesNamespaceName"></strong>?</p>
				</div>
				<div class="modal-footer">
					<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
					<button type="button" class="btn btn-danger" onclick="deleteS3TablesNamespace()">
						<i class="fas fa-trash me-1"></i>Delete
					</button>
				</div>
			</div>
		</div>
	</div>
	<script>
		let s3tablesNamespaceDeleteModal = null;

		document.addEventListener('DOMContentLoaded', function() {
			s3tablesNamespaceDeleteModal = new bootstrap.Modal(document.getElementById('deleteS3TablesNamespaceModal'));

			document.querySelectorAll('.s3tables-delete-namespace-btn').forEach(button => {
				button.addEventListener('click', function() {
					document.getElementById('deleteS3TablesNamespaceName').textContent = this.dataset.namespaceName || '';
					document.getElementById('deleteS3TablesNamespaceModal').dataset.namespaceName = this.dataset.namespaceName || '';
					s3tablesNamespaceDeleteModal.show();
				});
			});

			document.getElementById('createS3TablesNamespaceForm').addEventListener('submit', async function(e) {
				e.preventDefault();
				const name = document.getElementById('s3tablesNamespaceName').value.trim();
				try {
						const response = await fetch('/api/s3tables/namespaces', {
							method: 'POST',
							headers: { 'Content-Type': 'application/json' },
							body: JSON.stringify({ bucket_arn: dataBucketArn, name: name })
						});
					const payload = await response.json();
					if (!response.ok) {
						alert(payload.error || 'Failed to create namespace');
						return;
					}
					alert('Namespace created');
					location.reload();
				} catch (error) {
					alert('Failed to create namespace: ' + error.message);
				}
			});

		});

		const dataBucketArn = document.getElementById('s3tables-namespaces-content').dataset.bucketArn || '';

		async function deleteS3TablesNamespace() {
			const namespace = document.getElementById('deleteS3TablesNamespaceModal').dataset.namespaceName;
			if (!namespace) return;
			try {
				const response = await fetch(`/api/s3tables/namespaces?bucket=${encodeURIComponent(dataBucketArn)}&name=${encodeURIComponent(namespace)}`, { method: 'DELETE' });
				const payload = await response.json();
				if (!response.ok) {
					alert(payload.error || 'Failed to delete namespace');
					return;
				}
				alert('Namespace deleted');
				location.reload();
			} catch (error) {
				alert('Failed to delete namespace: ' + error.message);
			}
		}

	</script>
}