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

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

EXAMPLE_DIR="$REPO_ROOT/examples/multihop"
FLAG_FILE="/tmp/databuild_multihop_alpha_complete"
CLI="$REPO_ROOT/bazel-bin/databuild/databuild"

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

# Clean up previous state
echo "Cleaning up previous state..."
rm -f "$FLAG_FILE"
rm -rf "$EXAMPLE_DIR/.databuild/"
(cd "$EXAMPLE_DIR" && "$CLI" stop 2>/dev/null || true)

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

echo
echo "=== Starting server ==="
echo

# Start the server by making a request (triggers auto-start)
cd "$EXAMPLE_DIR"
OUTPUT=$("$CLI" wants list 2>&1)

# Extract port from status
PORT=$("$CLI" status 2>&1 | grep "Port:" | awk '{print $2}')

echo
echo "Server running at: http://127.0.0.1:${PORT}"
echo
echo "=== Ready to run example ==="
echo
echo "From the examples/multihop directory, try the following commands:"
echo "(The CLI uses databuild.json by default)"
echo
echo "  # Check server status"
echo "  databuild status"
echo
echo "  # Create a want for data/beta (triggers dependency chain)"
echo "  databuild want data/beta"
echo
echo "  # Monitor wants"
echo "  databuild wants list"
echo
echo "  # Monitor job runs"
echo "  databuild job-runs list"
echo
echo "  # Monitor partitions"
echo "  databuild partitions list"
echo
echo "  # Stop the server when done"
echo "  databuild stop"
echo
echo "==========================================="