package-manager

#!/bin/bash

# Loads up our token for downloading from gitlab
. $PREFIX/glibc/opt/package-manager/token

# A dictionary in bash containing latest* versions of packages
declare -A packages_list=(
	[box64-binaries]=10
	[dxvk]=2
	[glibc-prefix]=2
	[prefix-apps]=2
	[scripts]=27
	[turnip]=8
	[virgl-mesa]=1
	[wined3d]=1
	[wine-9.0-staging-wow64]=1
	[wine-8.18-staging-wow64]=1
	[wine-8.18-vanilla-wow64]=1
	[wine-9.1-vanilla-wow64]=2
	[wine-9.2-vanilla-wow64]=1
	[wine-9.3-vanilla-wow64]=1
	[libudev]=1
	[en-ru-locale]=1
)

# A list in bash containing names of base_packages which are installed during sync_all*
declare -a base_packages=(\
	box64-binaries \
	dxvk \
	glibc-prefix \
	prefix-apps \
	scripts \
	turnip \
	virgl-mesa \
	wined3d \
	libudev \
	en-ru-locale \
)

# A list of available wine packages to download for mobox
declare -a wine_packages=(\
	wine-9.0-staging-wow64 \
	wine-8.18-staging-wow64 \
	wine-8.18-vanilla-wow64 \
	wine-9.1-vanilla-wow64 \
	wine-9.2-vanilla-wow64 \
	wine-9.3-vanilla-wow64 \
)

# A list of outdated packages
declare -a outdated_packages=(\
	d3d \
	mesa \
	wine-ge-custom-8-25 \
)

function wget-git {
	#wget --show-progress --timeout=6 --retry-connrefused --tries=0 --header "PRIVATE-TOKEN: $PRIVATE_TOKEN" "https://gitlab.com/api/v4/projects/$PROJECT_ID/repository/files/$1/raw?ref=main" -O $2
	wget --show-progress --timeout=6 --retry-connrefused --tries=0 "https://github.com/EDLLT/mobox_packages/raw/master/$1?download=" -O $2
	return $?
}

function wget-git-q {
	wget-git "$@"
	return $?
}

function remove-package {
	if [ -e "$PREFIX/glibc/opt/package-manager/installed/$1" ] && [ -s "$PREFIX/glibc/opt/package-manager/installed/$1_lists" ]; then
		echo "Removing $1"
		while read i; do
			rm -rf "$PREFIX/$i"
		done < "$PREFIX/glibc/opt/package-manager/installed/$1_lists"
		rm -rf "$PREFIX/glibc/opt/package-manager/installed/$1"
		rm -rf "$PREFIX/glibc/opt/package-manager/installed/$1_lists"
		rm -rf "$PREFIX/glibc/opt/package-manager/installed/$1_md5"
		if [[ ${wine_packages[@]} =~ $1 ]]; then
			echo "Removing $1 prefix"
			rm -rf "$PREFIX/glibc/$1"
		fi
	fi
}

function sync-package {
	# Check the current version of the package to be installed if it exists
	if [ -e "$PREFIX/glibc/opt/package-manager/installed/$1" ]; then
		local_version=$(cat "$PREFIX/glibc/opt/package-manager/installed/$1")
	else
		local_version=0
	fi

	# Check the dictionary of latest package versions available
	version=${packages_list[$1]}
	
	# If the package list's version is greater than the one locally installed then install the package
	if ((version > local_version)); then
		
		mkdir -p $PREFIX/glibc/opt/package-manager/temp
		wget-git "$1.tar.xz" "$PREFIX/glibc/opt/package-manager/temp/$1.tar.xz"
		if [ "$?" = "0" ]; then
			# Remove a folder with the name of the package we're trying to install if it exists
			rm -rf "$PREFIX/glibc/opt/package-manager/temp/$1"
			
			# Create a folder with the name of the package we're trying to install
			mkdir -p "$PREFIX/glibc/opt/package-manager/temp/$1"

			# Extract our tar to the newly created folder
			tar -xf "$PREFIX/glibc/opt/package-manager/temp/$1.tar.xz" -C "$PREFIX/glibc/opt/package-manager/temp/$1"

			# Uninstall the package if it was previously installed before attempting to install the new one
			remove-package $1


			echo "Updating $1"

			# This is how the package manager tracks the packages installed
			find "$PREFIX/glibc/opt/package-manager/temp/$1" -type f | sed "s|^/data/data/com.termux/files/usr/glibc/opt/package-manager/temp/$1/||">"$PREFIX/glibc/opt/package-manager/installed/$1_lists"
			md5deep -sr "$PREFIX/glibc/opt/package-manager/temp/$1" | sed "s| /data/data/com.termux/files/usr/glibc/opt/package-manager/temp/$1/| |">"$PREFIX/glibc/opt/package-manager/installed/$1_md5"
			
			# Yes, every single package installed has a glibc directory inside it
			# We are now extracting them all to the prefix
			cp -rf "$PREFIX/glibc/opt/package-manager/temp/$1/glibc" $PREFIX
			echo "$version">"$PREFIX/glibc/opt/package-manager/installed/$1"
		else
			echo "Couldn't update $1: download failed"
			rm "$PREFIX/glibc/opt/package-manager/temp/$1.tar.xz"
			rm -rf "$PREFIX/glibc/opt/package-manager/temp/$1"
			return 1
		fi

		# Delete the tar file and folder we created
		rm "$PREFIX/glibc/opt/package-manager/temp/$1.tar.xz"
		rm -rf "$PREFIX/glibc/opt/package-manager/temp/$1"
	fi
	return 0
}

function validate-package {
	echo "Checking md5 for $1"
	if [ ! -e "$PREFIX/glibc/opt/package-manager/installed/$1_md5" ]; then
		echo "$1 md5 not found"
		return 1
	fi
	cd $PREFIX
	md5sum -c "$PREFIX/glibc/opt/package-manager/installed/$1_md5"
	if [ "$?" = "0" ]; then
		cd
		echo "OK"
	else
		cd
		echo "Mismatch"
		rm -rf "$PREFIX/glibc/opt/package-manager/installed/$1"
		sync-package $1
	fi
}


function sync-all {
	echo "Syncing packages"
	mkdir -p $PREFIX/glibc/opt/package-manager/installed

	# Remove outdated packages
	for i in "${outdated_packages[@]}"; do
		remove-package $i
	done

	# Download every package from the base_packages list
	for i in "${base_packages[@]}"; do
		sync-package $i
	done

	# Download all the wine packages from the wine_packages list
	for i in "${wine_packages[@]}"; do
		if [ -e "$PREFIX/glibc/opt/package-manager/installed/$i" ]; then
			sync-package $i
		fi
	done
}

function validate-all {
	echo "Validating packages"
	mkdir -p $PREFIX/glibc/opt/package-manager/installed
	for i in "${base_packages[@]}"; do
		validate-package $i
	done
	for i in "${wine_packages[@]}"; do
		if [ -e "$PREFIX/glibc/opt/package-manager/installed/$i" ]; then
			validate-package $i
		fi
	done
}