#!/bin/bash
set -euo pipefail

PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"

prog='$(basename "$0")'

source environment

version=$1
package=python3
package_name=package

echo "$(date) setting global vars..."
libc6_version=$( dpkg -s libc6 | grep Version | cut -d':' -f2 | cut -d' ' -f2 | cut -d'-' -f1)
dpkg_arch=$(dpkg --print-architecture)
deb_package=${package}_${version}_${dpkg_arch}
src_dir=$PWD/src
build_dir=$PWD/build
prefix=usr
my_dir=$PWD

echo "$(date) installing dependencies..."
sudo DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt -y -qq install build-essential dpkg-dev $dpkg_depends
sudo ldconfig

echo "$(date) seting download url"
download=$dl_prefix/$version/$dl_name-$version.$dl_suffix
echo "download_url=$download"

echo "$(date) creating build directories..."
mkdir -p $src_dir
mkdir -p $build_dir
mkdir -p $build_dir/$deb_package/DEBIAN

echo "$(date) downloading and extracting source code..."
cd $src_dir
wget $download
tar -xvf $dl_name-$version.$dl_suffix
rm $dl_name-$version.$dl_suffix
cd $dl_name-$version

echo "$(date) configuring project..."
./$configure_sript --prefix=/$prefix $configure_extra_params

echo "$(date) compiling project..."
make -j$(nproc)

echo "$(date) testing build if activated..."
if [ $make_test -gt 0 ]; then
    make test
fi

echo "$(date) installing build to target directory..."
make DESTDIR=$build_dir/$deb_package $install_param

cd $my_dir

$build_dir/$deb_package/$prefix/bin/python3 -m pip install --prefix /$prefix --root $build_dir/$deb_package --upgrade pip
$build_dir/$deb_package/$prefix/bin/python3 -m pip install --prefix /$prefix --root $build_dir/$deb_package six toml

cd $build_dir

echo "$(date) creating DEBIBAN/control..."
cat << EOF > $deb_package/DEBIAN/control
Package: $package_name
Version: $version
Architecture: $dpkg_arch
Essential: no
Priority: optional
Depends: libc6 (>= $libc6_version)
Maintainer: bashclub
Description: The deb package for $package_name $version maintained from bashclub.org.
EOF

echo "$(date) building deb package..."
dpkg-deb --build $deb_package
rm -r $src_dir/$dl_name-$version
rm -r $build_dir/$deb_package

echo "Build succeeded! You can find the .deb package at: $build_dir/$deb_package.deb"
exit 0