#!/usr/bin/env zsh

json=$(curl -Ls https://api.github.com/repos/Lidarr/Lidarr/releases/latest --header "Authorization: Bearer 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" --header "X-GitHub-Api-Version: 2022-11-28")

name=$(jq '.name' <<<$json | tr -d '"')
echo "Building Lidarr v$name"

control_file="Section: sound
Priority: optional
Standards-Version: 3.9.2
Maintainer: alex
Depends: curl mediainfo sqlite3 libchromaprint-tools
Package: lidarr
Version: $name
Architecture: REPLACE_ARCHITECTURE
Description: lidarr"

package_info="PackageAuthor=alex
UpdateMethod=External
UpdateMethodMessage=rebuild apt packages
Branch=master"

service_file="# Be sure to use \`systemctl edit lidarr\` to modify this service with an override.conf because
# direct changes will be overwritten by package updates.
#
# A user per service w/ shared group setup would have an override like:
# [Service]
# Group=sharedgroupname
# UMask=002

[Unit]
Description=Lidarr Service
Wants=network-online.target
After=network-online.target

[Service]
User=lidarr
Group=lidarr
SyslogIdentifier=lidarr
ExecStart=/usr/lib/lidarr/bin/Lidarr -nobrowser -data=/var/lib/lidarr
Type=simple

[Install]
WantedBy=multi-user.target"

sysusers_file="u lidarr - \"Lidarr daemon\" /var/lib/lidarr"

tmpfiles_file="# Override this file with a modified version in /etc/tmpfiles.d/
d /var/lib/lidarr 0755 lidarr lidarr
Z /var/lib/lidarr - lidarr lidarr
Z /usr/lib/lidarr - lidarr lidarr
L /var/log/lidarr - - - - /var/lib/lidarr/logs"

rel_info=$(jq '.assets[] | select(.name | contains("linux")) | select(.name | contains("musl") | not)' <<<$json)
declare -a tarballs=($(jq '"\(.browser_download_url) /\(.name)"' <<<$rel_info | tr -d '"' | tr "\n" " "))

for ((i = 1; i < ${#tarballs[@]}; i += 2)); do
	url="${tarballs[i]}"
	filename="${tarballs[i + 1]#/}"
	arch=$(sed -E "s/^.+?linux-(.+?).tar.gz$/\1/g" <<<"${tarballs[i + 1]}")
	if [[ "$arch" == "x64" ]] || [[ "$arch" == "core-x64" ]]; then
		arch="amd64"
	fi
	if [[ "$arch" == "core-x86" ]]; then
		arch="i386"
	fi
	if [[ "$arch" == "arm" ]] || [[ "$arch" == "core-arm" ]]; then
		arch="armhf"
	fi
	if [[ "$arch" == "core-arm64" ]]; then
		arch="arm64"
	fi
	if [ $# -eq 0 ] || (( $@[(Ie)$arch])); then
		echo "Building for $arch..."
		dir=$(mktemp -d)
		current_dir=$PWD
		mkdir -p $dir/lidarr
		cd $dir/lidarr
		mkdir -p usr/lib/sysusers.d
		echo $sysusers_file >usr/lib/sysusers.d/lidarr.conf
		mkdir -p usr/lib/systemd/system
		echo $service_file >usr/lib/systemd/system/lidarr.service
		mkdir -p usr/lib/tmpfiles.d
		echo $tmpfiles_file >usr/lib/tmpfiles.d/lidarr.conf
		mkdir -p usr/lib/lidarr
		echo "$package_info\nPackageVersion=$name" >usr/lib/lidarr/package_info
		curl -Ls $url | tar xz
		rm -rf Lidarr/Lidarr.Update
		rm -rf Lidarr/fpcalc
		mv Lidarr usr/lib/lidarr/bin
		chmod -R a=,a+rX,u+w usr/lib/lidarr/bin
		chmod +x usr/lib/lidarr/bin/Lidarr
		mkdir -p DEBIAN
		echo $control_file | sed -E "s/REPLACE_ARCHITECTURE/$arch/g" >DEBIAN/control
		cd $dir
		dpkg-deb --build lidarr
		mkdir -p $current_dir/build/lidarr
		cp lidarr.deb $current_dir/build/lidarr/lidarr-$name-$arch.deb
		cd $current_dir
		rm -rf $dir
	else
		echo "Skipping arch $arch"
	fi
done