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

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
REPO_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"

JAR="${TANK_ROYALE_JAR:-/home/davide/Projects/tank-royale/runner/examples/lib/robocode-tankroyale-runner.jar}"
PPO_BOT_SRC="$REPO_ROOT/PPO_Bot"

export PPO_BOT_DIR="$PPO_BOT_SRC"
export SAMPLE_BOTS_DIR="${SAMPLE_BOTS_DIR:-/home/davide/Projects/tank-royale/sample-bots/java/build/archive}"

# ── 1. Compile PPO_Bot if binary is missing ──────────────────────────────────
if [ ! -x "$PPO_BOT_SRC/PPO_Bot" ]; then
    echo ">>> Compiling PPO_Bot..."
    (cd "$PPO_BOT_SRC" && nimble build -d:release)
fi

# ── 2. Compile and run RunBattle.java ────────────────────────────────────────
cd "$SCRIPT_DIR"

echo ">>> Compiling RunBattle.java..."
javac -cp "$JAR" RunBattle.java

echo ">>> Running battle..."
java -cp ".:$JAR" RunBattle