#!/usr/bin/env zsh

source ./apikeys.sh

json=$(curl -Ls https://api.github.com/repos/Readarr/Readarr/releases --header "Authorization: Bearer $GITHUB_API_KEY" --header "X-GitHub-Api-Version: 2022-11-28" | jq 'map(select(.prerelease)) | first')

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

control_file="Section: misc
Priority: optional
Standards-Version: 3.9.2
Maintainer: alex
Depends: curl, sqlite3
Package: readarr
Version: $name
Architecture: REPLACE_ARCHITECTURE
Description: readarr"

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

service_file="# Be sure to use \`systemctl edit readarr\` 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=Readarr Service
Wants=network-online.target
After=network-online.target

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

[Install]
WantedBy=multi-user.target"

sysusers_file="u readarr - \"Readarr daemon\" /var/lib/readarr"

tmpfiles_file="# Override this file with a modified version in /etc/tmpfiles.d/
d /var/lib/readarr 0755 readarr readarr
Z /var/lib/readarr - readarr readarr
L /var/log/readarr - - - - /var/lib/readarr/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/readarr
		cd $dir/readarr
		mkdir -p usr/lib/sysusers.d
		echo $sysusers_file >usr/lib/sysusers.d/readarr.conf
		mkdir -p usr/lib/systemd/system
		echo $service_file >usr/lib/systemd/system/readarr.service
		mkdir -p usr/lib/tmpfiles.d
		echo $tmpfiles_file >usr/lib/tmpfiles.d/readarr.conf
		mkdir -p usr/lib/readarr
		echo "$package_info\nPackageVersion=$name" >usr/lib/readarr/package_info
		curl -Ls $url | tar xz
		rm -rf Readarr/Readarr.Update
		mv Readarr usr/lib/readarr/bin
		chmod -R a=,a+rX,u+w usr/lib/readarr/bin
		chmod +x usr/lib/readarr/bin/Readarr
		mkdir -p DEBIAN
		echo $control_file | sed -E "s/REPLACE_ARCHITECTURE/$arch/g" >DEBIAN/control
		cd $dir
		dpkg-deb --build readarr
		mkdir -p $current_dir/build/$arch
		cp readarr.deb $current_dir/build/$arch/readarr-$name-$arch.deb
		cd $current_dir
		rm -rf $dir
	else
		echo "Skipping arch $arch"
	fi
done