#!/usr/bin/env bash
# Regenerates every file in ../output/. Requires JDK25_HOME (and JAVA_HOME pointed at it for the
# Maven build). All demos in this module run on a single modern JDK - there's no cross-version
# comparison needed here, unlike vt-pinning or synchronizers.
set -euo pipefail

if [[ -z "${JDK25_HOME:-}" ]]; then
  echo "JDK25_HOME must be set (e.g. /path/to/jdk-25)" >&2
  exit 1
fi

cd "$(dirname "$0")/.."
OUT=output
mkdir -p "$OUT"

JAVA_HOME="$JDK25_HOME" mvn -q -f ../pom.xml -pl executors -am package

run() {
  local class=$1
  local outfile=$2
  echo "==> $class"
  "$JDK25_HOME/bin/java" -cp target/classes "com.ankurm.executors.$class" 2>&1 | grep -v "Picked up" > "$OUT/$outfile"
}

run ShutdownVsShutdownNowDemo          01-shutdown-vs-shutdownnow.txt
run GracefulShutdownPatternDemo        02-graceful-shutdown-pattern.txt
run AutoCloseableExecutorDemo          03-autocloseable-executor.txt
run VirtualThreadPerTaskExecutorDemo   04-virtual-thread-per-task-executor.txt
run LostExceptionTrapDemo              05-lost-exception-trap.txt

cp target/surefire-reports/com.ankurm.executors.ExecutorShutdownBehaviorTest.txt "$OUT/06-correctness-tests.txt"

echo "Done. See $OUT/"