#!/usr/bin/env bash
set -euo pipefail

# Navigate to repository root
cd "$(dirname "$0")/.."

# Configuration
PORT=3050
DB_PATH="/tmp/databuild_multihop.db"
FLAG_FILE="/tmp/databuild_multihop_alpha_complete"
PID_FILE="/tmp/databuild_multihop.pid"

echo "=== DataBuild Multi-Hop Example ==="
echo

# Clean up previous state
echo "Cleaning up previous state..."
rm -f "$DB_PATH" "$FLAG_FILE" "$PID_FILE"
pkill -f "databuild.*serve.*port $PORT" || true
sleep 1

# Build the binary
echo "Building databuild CLI..."
bazel build //databuild:databuild

# Start the server in background
echo "Starting databuild server on port $PORT..."
./bazel-bin/databuild/databuild serve \
  --port $PORT \
  --database "$DB_PATH" \
  --config examples/multihop/config.json &

SERVER_PID=$!
echo $SERVER_PID > "$PID_FILE"
echo "Server started with PID $SERVER_PID"

# Wait for server to be ready
echo "Waiting for server to start..."
sleep 2

# Test server health
if curl -s http://localhost:$PORT/health > /dev/null 2>&1; then
    echo "Server is ready!"
else
    echo "WARNING: Server health check failed, but continuing..."
fi

echo
echo "=== Server is running ==="
echo
echo "You can now interact with the server:"
echo
echo "  # Create a want for data/beta (triggers dependency chain)"
echo "  ./bazel-bin/databuild/databuild --server http://localhost:$PORT want data/beta"
echo
echo "  # Monitor wants"
echo "  ./bazel-bin/databuild/databuild --server http://localhost:$PORT wants list"
echo
echo "  # Monitor job runs"
echo "  ./bazel-bin/databuild/databuild --server http://localhost:$PORT job-runs list"
echo
echo "  # Monitor partitions"
echo "  ./bazel-bin/databuild/databuild --server http://localhost:$PORT partitions list"
echo
echo "To stop the server:"
echo "  kill $SERVER_PID"
echo "  # or: pkill -f 'databuild.*serve.*port $PORT'"
echo
echo "Server logs will appear below. Press Ctrl+C to stop."
echo "=========================================="
echo

# Wait for the server process
wait $SERVER_PID