# 1. Java-Stage: Kompilieren
FROM openjdk:17-jdk-slim AS java-build
WORKDIR /app

# Java-WebSocket und SLF4J-Bibliothek herunterladen
RUN apt-get update && apt-get install -y wget \
    && wget https://repo1.maven.org/maven2/org/java-websocket/Java-WebSocket/1.5.3/Java-WebSocket-1.5.3.jar -O /app/Java-WebSocket.jar \
    && wget https://repo1.maven.org/maven2/org/slf4j/slf4j-api/1.7.32/slf4j-api-1.7.32.jar -O /app/slf4j-api-1.7.32.jar \
    && wget https://repo1.maven.org/maven2/org/slf4j/slf4j-simple/1.7.32/slf4j-simple-1.7.32.jar -O /app/slf4j-simple-1.7.32.jar

# Quellcode kopieren
COPY src /app/src

# Erstelle bin-Ordner für kompilierten Code
RUN mkdir -p /app/bin

# Kompilieren mit der WebSocket-Bibliothek
RUN javac -cp /app/Java-WebSocket.jar:/app/slf4j-api-1.7.32.jar:/app/slf4j-simple-1.7.32.jar -d /app/bin /app/src/de/szut/zuul/*.java

# 2. Finale Java-Stage
FROM openjdk:17-jdk-slim
WORKDIR /app

# Kopiere das kompilierte Java-Programm
COPY --from=java-build /app/bin /app
COPY --from=java-build /app/Java-WebSocket.jar /app/Java-WebSocket.jar
COPY --from=java-build /app/slf4j-api-1.7.32.jar /app/slf4j-api-1.7.32.jar
COPY --from=java-build /app/slf4j-simple-1.7.32.jar /app/slf4j-simple-1.7.32.jar

# Port für WebSocket öffnen
EXPOSE 8867

# WebSocket-Server starten
CMD ["java", "-cp", "/app:/app/Java-WebSocket.jar:/app/slf4j-api-1.7.32.jar:/app/slf4j-simple-1.7.32.jar", "de.szut.zuul.ZuulWebsocket"]