package app

import (
	"fmt"
	"net/url"

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

templ IcebergCatalog(data dash.IcebergCatalogData) {
	<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-snowflake me-2"></i>Iceberg Catalog
		</h1>
		<div class="btn-toolbar mb-2 mb-md-0">
			<div class="btn-group me-2">
				<a href={ dash.PUrl(ctx, "/object-store/s3tables/buckets") } class="btn btn-sm btn-primary">
					<i class="fas fa-plus me-1"></i>Create Table Bucket
				</a>
			</div>
			<div class="btn-group me-2">
				<a id="iceberg-rest-link" href={ templ.SafeURL(fmt.Sprintf("//localhost:%d/v1/config", data.IcebergPort)) } target="_blank" class="btn btn-sm btn-outline-secondary">
					<i class="fas fa-external-link-alt me-1"></i>REST API
				</a>
			</div>
		</div>
	</div>
	<div id="iceberg-catalog-content">
		<!-- Info Alert about Iceberg REST -->
		<div class="alert alert-info mb-4">
			<div class="d-flex align-items-center">
				<i class="fas fa-info-circle fa-2x me-3"></i>
				<div>
					<strong>Iceberg REST Catalog</strong>
					<p id="iceberg-rest-info" class="mb-0 mt-1" data-iceberg-port={ fmt.Sprintf("%d", data.IcebergPort) }>
						Connect your Iceberg clients (DuckDB, Spark, etc.) to:
						<code><span id="iceberg-protocol">http</span>://<span id="iceberg-host">localhost</span>:{fmt.Sprintf("%d", data.IcebergPort)}/v1</code>
					</p>
					<script>
						const icebergInfo = document.getElementById('iceberg-rest-info');
						const icebergHost = window.location.hostname;
						const icebergProtocol = window.location.protocol.slice(0, -1);
						const icebergPort = icebergInfo ? icebergInfo.dataset.icebergPort : '';
						document.getElementById('iceberg-host').innerText = icebergHost;
						const icebergProtocolEl = document.getElementById('iceberg-protocol');
						if (icebergProtocolEl) {
							icebergProtocolEl.innerText = icebergProtocol;
						}
						const restLink = document.getElementById('iceberg-rest-link');
						if (restLink && icebergPort) {
							restLink.href = `//${icebergHost}:${icebergPort}/v1/config`;
						}
					</script>
				</div>
			</div>
		</div>

		<!-- Stats Cards -->
		<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">
									Catalogs (Table Buckets)
								</div>
								<div class="h5 mb-0 font-weight-bold text-gray-800">
									{ fmt.Sprintf("%d", data.TotalCatalogs) }
								</div>
							</div>
							<div class="col-auto">
								<i class="fas fa-database 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-success 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-success text-uppercase mb-1">
									REST Port
								</div>
								<div class="h5 mb-0 font-weight-bold text-gray-800">
									{ fmt.Sprintf("%d", data.IcebergPort) }
								</div>
							</div>
							<div class="col-auto">
								<i class="fas fa-plug 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">
									if data.LastUpdated.IsZero() {
										<span class="text-muted">-</span>
									} else {
										{ data.LastUpdated.Format("2006-01-02 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>

		<!-- Catalog List -->
		<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-snowflake me-2"></i>Available Catalogs
						</h6>
					</div>
					<div class="card-body">
						<p class="text-muted mb-3">
							Each S3 Table Bucket acts as an Iceberg catalog. Use the bucket name as the catalog prefix in your REST API calls.
						</p>
						<div class="table-responsive">
							<table class="table table-hover" width="100%" cellspacing="0" id="icebergCatalogsTable">
								<thead>
									<tr>
										<th>Catalog Name</th>
										<th>Owner</th>
										<th>REST Endpoint</th>
										<th>Created</th>
										<th>Actions</th>
									</tr>
								</thead>
								<tbody>
									for _, catalog := range data.Catalogs {
										<tr>
											<td>
												<i class="fas fa-snowflake text-info me-2"></i>
												<strong>{ catalog.Name }</strong>
											</td>
											<td>{ catalog.OwnerAccountID }</td>
											<td>
												<code class="small">/v1/{ catalog.Name }/namespaces</code>
											</td>
											<td>
												if catalog.CreatedAt.IsZero() {
													<span class="text-muted">-</span>
												} else {
													{ catalog.CreatedAt.Format("2006-01-02 15:04") }
												}
											</td>
											<td>
												<div class="btn-group btn-group-sm" role="group">
													{{ bucketName, parseErr := s3tables.ParseBucketNameFromARN(catalog.ARN) }}
													if parseErr == nil {
														<a class="btn btn-outline-primary btn-sm" href={ dash.PUrl(ctx, fmt.Sprintf("/object-store/iceberg/%s/namespaces", url.PathEscape(bucketName))) } title="Browse Namespaces">
															<i class="fas fa-folder-open"></i>
														</a>
													} else {
														<button type="button" class="btn btn-outline-secondary btn-sm" disabled title={ parseErr.Error() }>
															<i class="fas fa-exclamation-triangle"></i>
														</button>
													}
												</div>
											</td>
										</tr>
									}
									if len(data.Catalogs) == 0 {
										<tr>
											<td colspan="5" class="text-center text-muted py-4">
												<i class="fas fa-snowflake fa-3x mb-3 text-muted"></i>
												<div>
													<h5>No catalogs available</h5>
													<p>Create an S3 Table Bucket first to use as an Iceberg catalog.</p>
													<a href={ dash.PUrl(ctx, "/object-store/s3tables/buckets") } class="btn btn-primary">
														<i class="fas fa-plus me-1"></i>Create Table Bucket
													</a>
												</div>
											</td>
										</tr>
									}
								</tbody>
							</table>
						</div>
					</div>
				</div>
			</div>
		</div>

		<!-- Example Usage Card -->
		<div class="row">
			<div class="col-12">
				<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-code me-2"></i>Example Usage
						</h6>
					</div>
					<div class="card-body">
						<h6>DuckDB</h6>
						<pre class="bg-light p-3 border rounded"><code>{ `-- Install and load Iceberg extension
INSTALL iceberg;
LOAD iceberg;

-- Create a catalog connection
CREATE SECRET (
    TYPE ICEBERG,
    ENDPOINT 'http://localhost:` + fmt.Sprintf("%d", data.IcebergPort) + `',
    SCOPE 's3://my-table-bucket/'
);

-- Query tables
SELECT * FROM iceberg_scan('s3://my-table-bucket/my-namespace/my-table');` }</code></pre>

						<h6 class="mt-4">Python (PyIceberg)</h6>
						<pre class="bg-light p-3 border rounded"><code>{ `from pyiceberg.catalog import load_catalog

catalog = load_catalog(
    name="seaweedfs",
    **{
        "type": "rest",
        "uri": "http://localhost:` + fmt.Sprintf("%d", data.IcebergPort) + `",
    }
)

# List namespaces
namespaces = catalog.list_namespaces()` }</code></pre>
					</div>
				</div>
			</div>
		</div>
	</div>
}
