#!/usr/bin/env zsh

json=$(curl -Ls https://api.github.com/repos/Prowlarr/Prowlarr/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 Prowlarr v$name"

control_file="Section: video
Priority: optional
Standards-Version: 3.9.2
Maintainer: alex
Package: prowlarr
Version: $name
Architecture: REPLACE_ARCHITECTURE
Description: prowlarr"

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

service_file="# Be sure to use \`systemctl edit prowlarr\` to modify this service with an override.conf because
# direct changes will be overwritten by package updates.

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

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

[Install]
WantedBy=multi-user.target"

sysusers_file="u prowlarr - \"prowlarr daemon\" /var/lib/prowlarr"

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