#!/usr/bin/env bash
# Regenerates every file in ../output/ from a real run against $JDK25_HOME.
# Usage: JDK25_HOME=/path/to/jdk-25 ./run-all.sh
set -euo pipefail

if [ -z "${JDK25_HOME:-}" ]; then
  echo "Set JDK25_HOME to a JDK 25 install first." >&2
  exit 1
fi

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

"$JDK25_HOME/bin/mvn" -q -f pom.xml package 2>/dev/null || true
CP="target/classes"
if [ ! -d "$CP" ]; then
  mkdir -p target/classes
  "$JDK25_HOME/bin/javac" -d target/classes $(find src/main/java -name '*.java')
fi

run() {
  local cls="$1" out="$2"
  echo "\$ java $cls" > "$OUT/$out"
  echo >> "$OUT/$out"
  "$JDK25_HOME/bin/java" -cp "$CP" "com.ankurm.arithmetic.$cls" >> "$OUT/$out" 2>&1
}

run OverflowWrapDemo            01-overflow-wrap.txt
run ExactArithmeticDemo         02-exact-arithmetic.txt
run WideningAndBigIntegerDemo   03-widening-and-biginteger.txt
run OverflowBitTrickDemo        04-overflow-bit-trick.txt

mkdir -p target/test-classes
"$JDK25_HOME/bin/javac" -cp "target/classes:$(find / -name 'junit-jupiter-*.jar' 2>/dev/null | tr '\n' ':')" \
  -d target/test-classes $(find src/test/java -name '*.java') 2>/dev/null || true

"$JDK25_HOME/bin/mvn" -q -f pom.xml test > "$OUT/05-correctness-tests.txt" 2>&1 || true
cp target/surefire-reports/com.ankurm.arithmetic.ArithmeticClaimsTest.txt "$OUT/05-correctness-tests.txt" 2>/dev/null || true

echo "Done. See $OUT/"