###
### Build Variables
###
FROM localhost/debian:latest

# deploy options
# -p (port) and -v (volume) both go host:container
LABEL config_default="\
-p 2456-2458:2456-2458 \
-p 2456-2458:2456-2458/udp \
-v /srv/vol/valheim/data:/vol/data"

# Build variables
# uid that the files owner user should have
ARG FILESUID=5000

###
### General Setup
###

# install basic packages 
RUN apt update -y && apt install -y libsdl2-2.0-0 zip

# install steamcmd
RUN apt-add-repository contrib && \
    apt-add-repository non-free && \
    dpkg --add-architecture i386 && \
    apt update -y && \
    echo steam steam/question select "I AGREE" | debconf-set-selections && \
    echo steam steam/license note '' | debconf-set-selections && \
    apt install -y steamcmd

# create valheim server user with file owner UID
RUN addgroup --gid $FILESUID vhadmin && \
    adduser vhadmin --ingroup vhadmin --uid $FILESUID --disabled-password --gecos "Valheim Server Admin" --shell /usr/sbin/nologin

# Copy custom scripts
COPY assets/bin/ /usr/local/bin/

###
### Valheim
###
WORKDIR /home/vhadmin

# install Valheim
RUN vh-install

# replace permissions txt's with links
RUN mkdir -p .config/unity3d/IronGate/Valheim/worlds_local; \
    ln -s .config/unity3d/IronGate/Valheim/worlds_local worlds; \
    cd .config/unity3d/IronGate/Valheim/; \
    for f in adminlist.txt bannedlist.txt permittedlist.txt; \
        do rm -f $f; ln -s /vol/data/config/$f; \
    done; \
    chown -R vhadmin:vhadmin /home/vhadmin

# copy units to systemd
COPY assets/systemd/ /etc/systemd/system/

# enable systemd units
RUN systemctl enable valheim.service vh-backup.timer vh-install.service