############################################################
# Counter-Strike dedicated server
############################################################
FROM debian:bookworm-slim

LABEL maintainer="admin@based.pt"

ARG PUID=1000
ENV USER=steam \
    HOMEDIR=/home/steam \
    STEAMCMDDIR=/home/steam/steamcmd \
    PORT=27015 \
    DATADIR=/data \
    MAP=de_dust2

RUN set -x \
    && apt-get update \
    && apt-get install -y --no-install-recommends --no-install-suggests \
        lib32stdc++6=12.2.0-14+deb12u1 \
        lib32gcc-s1=12.2.0-14+deb12u1 \
        ca-certificates=20230311+deb12u1 \
        nano=7.2-1+deb12u1 \
        curl=7.88.1-10+deb12u14 \
        locales=2.36-9+deb12u13 \
    && sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen \
    && dpkg-reconfigure --frontend=noninteractive locales \
    && useradd -u "${PUID}" -m "${USER}" \
    && mkdir -p "${STEAMCMDDIR}" "${DATADIR}" \
    && chown -R "${USER}:${USER}" "${HOMEDIR}" "${DATADIR}" \
    && su "${USER}" -c "\
        mkdir -p \"${STEAMCMDDIR}\" \
        && curl -fsSL 'https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz' | tar xvzf - -C \"${STEAMCMDDIR}\" \
        && \"${STEAMCMDDIR}/steamcmd.sh\" +quit \
        && ln -s \"${STEAMCMDDIR}/linux32/steamclient.so\" \"${STEAMCMDDIR}/steamservice.so\" \
        && mkdir -p \"${HOMEDIR}/.steam/sdk32\" \
        && ln -s \"${STEAMCMDDIR}/linux32/steamclient.so\" \"${HOMEDIR}/.steam/sdk32/steamclient.so\" \
        && mkdir -p \"${HOMEDIR}/.steam/sdk64\" \
        && ln -s \"${STEAMCMDDIR}/linux64/steamclient.so\" \"${HOMEDIR}/.steam/sdk64/steamclient.so\" \
        && ln -s \"${STEAMCMDDIR}/steamcmd.sh\" \"${STEAMCMDDIR}/steam.sh\"" \
    && ln -s "${STEAMCMDDIR}/linux64/steamclient.so" "/usr/lib/x86_64-linux-gnu/steamclient.so" \
    && rm -rf /var/lib/apt/lists/*

USER ${USER}
WORKDIR ${HOMEDIR}

EXPOSE ${PORT}/udp
VOLUME ["/data"]

ENTRYPOINT ["/bin/bash", "-c", "\
if [ ! -f ${DATADIR}/hlds_run ]; then \
    echo 'Installing Counter-Strike server...'; \
    ${STEAMCMDDIR}/steamcmd.sh +force_install_dir ${DATADIR} +login anonymous \
    +app_set_config 90 mod cstrike \
    +app_update 90 validate \
    +quit; \
else \
    if [ \"$UPDATE\" = \"1\" ]; then \
        echo 'Updating Counter-Strike server...'; \
        ${STEAMCMDDIR}/steamcmd.sh +force_install_dir ${DATADIR} +login anonymous \
        +app_update 90 validate \
        +quit; \
    else \
        echo 'Skipping update, starting server...'; \
    fi; \
fi; \
cd ${DATADIR} && \
exec bash hlds_run -game cstrike -console +ip 0.0.0.0 -port ${PORT} +map ${MAP}"]