#!/bin/bash
# Load sample RDF data into Oxigraph
#
# Usage: ./scripts/load-sample-data.sh

set -e

# Configuration
OXIGRAPH_ENDPOINT="http://127.0.0.1:7878"
DATA_DIR="$(pwd)/data/sample-rdf"

echo "📥 Loading sample RDF data into Oxigraph..."
echo "🌐 Endpoint: $OXIGRAPH_ENDPOINT"
echo "📁 Data directory: $DATA_DIR"
echo ""

# Check if server is running
if ! curl -s -f "$OXIGRAPH_ENDPOINT/" > /dev/null 2>&1; then
  echo "❌ Oxigraph server is not running!"
  echo "Start it with: ./scripts/start-oxigraph-memory.sh"
  exit 1
fi

# Load each N-Triples file into DEFAULT GRAPH
# Use PUT method with ?default parameter to load into default graph
for file in "$DATA_DIR"/*.nt; do
  if [ -f "$file" ]; then
    filename=$(basename "$file")
    echo "📄 Loading: $filename"
    
    # Load into default graph using PUT method (replaces existing data)
    HTTP_CODE=$(curl -X PUT \
      -H 'Content-Type: application/n-triples' \
      --data-binary "@$file" \
      "$OXIGRAPH_ENDPOINT/store?default" \
      -w "%{http_code}" \
      -o /dev/null -s 2>&1)
    
    if [ "$HTTP_CODE" = "204" ] || [ "$HTTP_CODE" = "201" ]; then
      echo "   ✅ Success (HTTP $HTTP_CODE)"
    else
      echo "   ❌ Failed (HTTP $HTTP_CODE)"
    fi
    echo ""
  fi
done

echo "🎉 Data loading complete!"
echo ""
echo "Test with a query:"
echo "  curl -X POST \\"
echo "    -H 'Content-Type: application/sparql-query' \\"
echo "    -H 'Accept: application/sparql-results+json' \\"
echo "    --data 'SELECT * WHERE { ?s ?p ?o } LIMIT 10' \\"
echo "    http://127.0.0.1:7878/query"