#!/usr/bin/env bash

repo="orf/gping"
current=$(reprepro -b /var/www/repos/apt/debian list stable gping | head -n1 | awk '{print $3}')
api=$(curl --silent "https://api.github.com/repos/$repo/releases/latest")
new=$(echo $api | grep -Po '"tag_name": "\S*-?v\K.*?(?=")')


if [ "$current" == "$new" ]; then
    exit
fi

echo "New GPING version $current -> $new"

declare -A dist
dist['amd64']='-Linux-x86_64.tar.gz'
dist['armhf']='unknown-linux-gnueabihf.tar.gz'

for entry in "${!dist[@]}"; do

END="${dist[$entry]}"
bin_url=$(echo $api | python -c "import sys; from json import loads as l; x = l(sys.stdin.read()); print(' '.join(s['browser_download_url'] for s in x['assets'] if s['name'].endswith('$END')))")
man_url=$(echo $api | python -c "import sys; from json import loads as l; x = l(sys.stdin.read()); print(' '.join(s['browser_download_url'] for s in x['assets'] if s['name']=='gping.1'))")

STARTDIR="/tmp/gping"
DESTDIR="$STARTDIR/pkg"
OUTDIR="$STARTDIR/deb"
rm -rf "$STARTDIR"
mkdir "$STARTDIR"

wget -q $bin_url -O "$STARTDIR/gping.tar.gz"
wget -q $man_url -O "$STARTDIR/gping.1"
tar xf "$STARTDIR/gping.tar.gz" -C "$STARTDIR"
install -Dm 755 "$STARTDIR/gping" "$DESTDIR/usr/bin/gping"
install -D -g 0 -o 0 -m 0644 "$STARTDIR/gping.1" "$DESTDIR/usr/local/man/man1/gping.1"

mkdir -p "$DESTDIR/DEBIAN"

cat >"$DESTDIR/DEBIAN/control"<<EOL
Package: gping
Version: $new
Section: net
Priority: optional
Architecture: $entry
Maintainer: Azlux <github@azlux.fr>
Description: Ping, but with a graph 
Homepage: https://github.com/orf/gping
Bugs: https://github.com/orf/gping/issues
EOL

cat >"$STARTDIR/changelog"<<EOL
package ($new) stable; urgency=medium
  Please check the source repo for the full changelog
  You can found the link at https://packages.azlux.fr/
-- Azlux <github@azlux.fr>  $(date -R)
EOL
install -Dm 644 "$STARTDIR/changelog" "$DESTDIR/usr/share/doc/gping/changelog.Debian"
gzip "$DESTDIR/usr/share/doc/gping/changelog.Debian"

rm -rf "$OUTDIR"
mkdir  "$OUTDIR"
dpkg-deb --build "$DESTDIR" "$OUTDIR"
reprepro -b /var/www/repos/apt/debian includedeb stable "$OUTDIR"/*.deb
reprepro -b /var/www/repos/apt/debian includedeb oldstable "$OUTDIR"/*.deb

rm -rf "$STARTDIR"

done