### Created by Dr. Benjamin Richards (b.richards@qmul.ac.uk) based on docker file from Stephane Zsoldos (s.zsoldos@qmul.ac.uk)

### Download base image from cern repo on docker hub
FROM cern/cc7-base:latest

### Run the following commands as super user (root):
USER root

#######################
### GCC ENVIRONMENT ###
#######################

### Required package for ROOT
RUN yum install -y \
    wget \
    tar \
    cmake \
    gcc-c++ \
    gcc \
    binutils \
    libX11-devel \
    libXpm-devel \
    libXft-devel \
    libXext-devel \
    libzstd-devel \
    git \
    mesa-libGL-devel \
    mesa-libGLU-devel \
    libXmu-devel \
    libXi-devel \
    expat-devel \
    make \
    which \
    emacs \
    && yum clean all \
    && rm -rf /var/cache/yum

### Setup environment
ENV HYPERKDIR /opt/HyperK
RUN mkdir $HYPERKDIR
WORKDIR $HYPERKDIR

### Downloading ROOT
RUN wget https://root.cern.ch/download/root_v6.20.04.Linux-centos7-x86_64-gcc4.8.tar.gz -O root.tar.gz \
    && tar -xvzf root.tar.gz \
    && rm -f root.tar.gz

### Downloading Geant4
### There is no precompiled CentOS7 version of G4.10.1, so we need to compile it from source instead
#RUN wget http://cern.ch/geant4-data/releases/lib4.10.1.p03/Linux-g++4.4.7-SLC6.tar.gz -O geant.tar.gz \
#    && tar -xvzf geant.tar.gz \
#    && rm -f geant.tar.gz
RUN wget http://cern.ch/geant4-data/releases/geant4.10.01.p03.tar.gz -O geant.tar.gz \
    && tar -xvzf geant.tar.gz \
    && rm -f geant.tar.gz
RUN mkdir $HYPERKDIR/geant4.10.01.p03-build
RUN mkdir $HYPERKDIR/geant4.10.01.p03-install
WORKDIR $HYPERKDIR/geant4.10.01.p03-build
RUN cmake -DCMAKE_INSTALL_PREFIX=$HYPERKDIR/geant4.10.01.p03-install -DGEANT4_INSTALL_DATA=ON $HYPERKDIR/geant4.10.01.p03
RUN make -j`nproc`
RUN make install

### Data files for Geant4 #done above now; keep here for reference to do in future if we use precompiled again
#ENV G4DATA $HYPERKDIR/Geant4-10.1.3-Linux/share/Geant4-10.1.3/data
#WORKDIR $G4DATA
#RUN for f in G4ABLA.3.0.tar.gz G4NDL.4.5.tar.gz G4EMLOW.6.41.tar.gz G4PhotonEvaporation.3.1.tar.gz G4RadioactiveDecay.4.2.tar.gz #G4SAIDDATA.1.1.tar.gz G4NEUTRONXS.1.4.tar.gz G4PII.1.3.tar.gz RealSurface.1.0.tar.gz G4ENSDFSTATE.1.0.tar.gz; do \
#    	echo $f; \
#    	wget http://cern.ch/geant4-data/datasets/$f; \
#	tar -xzvf $f; \
#	rm -f $f; \
#    done

### ENV Geant4
ENV WCSIMDIR $HYPERKDIR/WCSim
ENV G4WORKDIR $WCSIMDIR/exe
ENV G4INSTALLDIR $HYPERKDIR/geant4.10.01.p03-install
ENV G4LIB $G4INSTALL/lib

### Make a setup script
WORKDIR $HYPERKDIR
RUN echo '#!/bin/bash -x' > env-WCSim.sh \
    && echo 'source $HYPERKDIR/root/bin/thisroot.sh' >> env-WCSim.sh \
    && echo 'source $G4INSTALLDIR/bin/geant4.sh' >> env-WCSim.sh \
    && echo 'source $G4INSTALLDIR/share/Geant4-10.1.3/geant4make/geant4make.sh' >> env-WCSim.sh

### Open terminal
CMD ["/bin/bash"]