#!/usr/bin/env bash
# Build the Approach-(B) shim.
#
# Requires JAVA_HOME/javac on PATH, the genuine Robocode 1.9.5.5 jar (for the
# robocode.* API the peer implements) and the Tank Royale Java bot API jar (for
# DrussGTBridge / TrBattleCapture).
#
#   ROBOCODE_JAR=/path/to/robocode.jar TR_BOT_API_JAR=/path/to/bot-api.jar ./build.sh
set -euo pipefail

HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ROBOCODE_JAR="${ROBOCODE_JAR:-/tmp/robocode/install/libs/robocode.jar}"
TR_BOT_API_JAR="${TR_BOT_API_JAR:-$HOME/Downloads/sample-bots-java-1.0.2/lib/robocode-tankroyale-bot-api-1.0.2.jar}"
OUT="${OUT:-$HERE/out}"
RUNNER_JAR="${TR_RUNNER_JAR:-/home/davide/Projects/tank-royale/runner/examples/lib/robocode-tankroyale-runner.jar}"

if [[ ! -f "$ROBOCODE_JAR" ]]; then
  echo "robocode.jar not found: $ROBOCODE_JAR" >&2
  echo "Set ROBOCODE_JAR to a Robocode 1.9.5.5 install's libs/robocode.jar" >&2
  exit 1
fi
if [[ ! -f "$TR_BOT_API_JAR" ]]; then
  echo "Tank Royale bot API jar not found: $TR_BOT_API_JAR" >&2
  echo "Set TR_BOT_API_JAR to robocode-tankroyale-bot-api-*.jar" >&2
  exit 1
fi

mkdir -p "$OUT"
javac -nowarn -cp "$ROBOCODE_JAR:$TR_BOT_API_JAR" -d "$OUT" \
  "$HERE/src/robocode_shim/ClassicPeer.java" \
  "$HERE/src/robocode_shim/BotHost.java" \
  "$HERE/src/robocode_shim/TankRoyaleBridge.java" \
  "$HERE/src/robocode_shim/ThreadManagerFix.java" \
  "$HERE/src/robocode_shim/ThreadManagerFixTest.java" \
  "$HERE/src/robocode_shim/DrussGTBridge.java" \
  "$HERE/src/robocode_shim/SmokeTest.java"
echo "shim built -> $OUT"

# The observer/capture program needs the battle-runner jar (which bundles the
# Tank Royale client model + embedded server) rather than the bot API.
if [[ -f "$RUNNER_JAR" ]]; then
  javac -nowarn -cp "$RUNNER_JAR" -d "$OUT" \
    "$HERE/src/robocode_shim/TrBattleCapture.java"
  echo "capture built -> $OUT"
else
  echo "runner jar not found ($RUNNER_JAR); skipped TrBattleCapture" >&2
fi