updateIndexIcons

#!/bin/bash

if (($( sw_vers -productVersion | awk -F. '{ print $2 }' ) < 14)); then
	printf "%s\n" "This script requires macOS 10.14 or higher to create correct hashes for the icons..."
	exit 1
fi

shopt -s nullglob

# Verify the script is running inside the ProfileManifests repository and get the repository root path
repository_path=$( git rev-parse --show-toplevel 2> /dev/null )
if !( [[ $? -eq 0 ]] && [[ $(git remote -v) == *"ProfileManifests.git"* ]] ); then
	printf "%s\n" "This script must be run inside the ProfileManifests repository."
	exit 1
fi
cd $repository_path

# Set the path to the index file
index_path="${repository_path}/Icons/index"

# Set the path to the temporary index file
index_path_tmp="/private/tmp/index.$( cat /dev/urandom | env LC_CTYPE=C tr -cd 'a-f0-9' | head -c 8 )"

# List all directories to index
manifest_directories=( 'ManagedPreferencesApple' 'ManifestsApple' 'ManagedPreferencesApplications' 'ManagedPreferencesDeveloper' )

# Loop through all directories
for directory_name in ${manifest_directories[@]}; do
	directory_path="${repository_path}/Icons/${directory_name}"
	if ! [[ -d ${directory_path} ]]; then
		printf "%s\n" "${directory_path}: No such file or directory"
		continue
	fi
	
	# Create the directory dictionary
	if ! /usr/libexec/PlistBuddy -c "Add :${directory_name} dict" "${index_path_tmp}" &>/dev/null; then
		printf "%s\n" "${file_name}: Failed to add dictionary with key: ${directory_name}"
		exit 1
	fi
	
	# Loop through all files in the directory
	for file in "${directory_path}"/*.png; do
		
		# Get the file name
		file_name=$( basename "${file}" )

		# Get the file domain
		file_domain="${file_name%.*}"
						
		# Get the file hash
		file_hash=$( md5 -q "${file}" )
				
		# Create the file dictionary
		if ! /usr/libexec/PlistBuddy -c "Add :${directory_name}:${file_domain} dict" "${index_path_tmp}"; then
			printf "%s\n" "${file_name}: Failed to add dictionary with key: ${directory_name}:${file_domain}"
			exit 1
		fi
				
		# Add the file hash
		if ! /usr/libexec/PlistBuddy -c "Add :${directory_name}:${file_domain}:hash string ${file_hash}" "${index_path_tmp}"; then
			printf "%s\n" "${file_name}: Failed to add value: ${file_hash} for key: ${directory_name}:${file_domain}:hash"
			exit 1
		fi
		
		# Add the file path
		if ! /usr/libexec/PlistBuddy -c "Add :${directory_name}:${file_domain}:path string Icons/${directory_name}/${file_name}" "${index_path_tmp}"; then
			printf "%s\n" "${file_name}: Failed to add value: ${directory_name}/${file_name} for key: ${directory_name}:${file_domain}:path"
			exit 1
		fi
	done
done

# Set the date the file was generated
if ! /usr/libexec/PlistBuddy -c "Add :date date $( LANG=C /bin/date +%a" "%b" "%d" "%T" "%Z" "%Y )" "${index_path_tmp}"; then
	printf "%s\n" "Failed to add value for key: date"
	exit 1
fi

# Move the temporary file in place
if ! mv "${index_path_tmp}" "${index_path}"; then
	printf "%s\n" "Failed to move the temporary index file to the repository"
	exit 1
fi