#!/bin/bash

set -e

if [[ -z "$CONDA_PREFIX" ]]; then
	echo "You do not seem to have an active conda environment active, aborting"
	exit 1
fi

# Get and unzip archive
LIBXC_VERSION=6.1.0
wget "https://github.com/ElectronicStructureLibrary/libxc/archive/refs/tags/$LIBXC_VERSION.zip"
unzip "$LIBXC_VERSION.zip"
rm "$LIBXC_VERSION.zip"
cd "libxc-$LIBXC_VERSION"

# Compile
cmake -H. -Bobjdir -DENABLE_PYTHON=ON -DBUILD_SHARED_LIBS=ON -DCMAKE_INSTALL_PREFIX="$CONDA_PREFIX"
cd objdir && make

# Test
make test

# Install
make install

# Link the python library
PYTHON_VERSION=$(python --version | sed -e 's/.* \([0-9]\.[0-9]\{2\}\).*/\1/')
echo "Detected python v$PYTHON_VERSION"
echo "Creating symlink to pylibxc library (python bindings for libxc)"
ln -v -s "$CONDA_PREFIX/lib64/pylibxc" "$CONDA_PREFIX/lib/python$PYTHON_VERSION/site-packages"

echo 'Install successful'