#!/bin/sh
# Reads every .fls under corpus/ with Java FILIUS itself and writes
# corpus/corpus.java.json. Java is the arbiter for the file format (plan §13, M2).
# Needs a JDK (17+), Maven and xvfb-run: FILIUS opens its main window while
# loading (Information.reset → JMainFrame), so it needs a display, not headless.
set -eu
here="$(cd "$(dirname "$0")" && pwd)"
root="$(cd "$here/../.." && pwd)"
commit=6640354
upstream="$here/.upstream"
if [ ! -d "$upstream/.git" ]; then
    git clone -q https://gitlab.com/filius1/filius.git "$upstream"
fi
if [ "$(git -C "$upstream" rev-parse --short=7 HEAD)" != "$commit" ]; then
    git -C "$upstream" fetch -q origin
    git -C "$upstream" checkout -q "$commit"
    rm -rf "$upstream/target"
fi
if [ ! -f "$upstream/target/filius.jar" ]; then
    (cd "$upstream" && mvn -q -DskipTests package dependency:copy-dependencies -DoutputDirectory=target/lib)
fi
classpath="$upstream/target/filius.jar:$upstream/target/lib/*"
mkdir -p "$here/.build"
javac -d "$here/.build" -cp "$classpath" "$here/src/FlsOracle.java"
# FILIUS writes its settings below $HOME; keep them out of the real one.
mkdir -p "$here/.build/home"
# Removed first: a crashed run must not leave the previous result standing.
rm -f "$root/corpus/corpus.java.json"
HOME="$here/.build/home" xvfb-run -a java -cp "$classpath:$here/.build" FlsOracle \
    "$root/corpus" "$root/corpus/corpus.java.json" 2>&1 | grep -v 'logback\|^$' || true
test -s "$root/corpus/corpus.java.json"