#!/usr/bin/env bash

# Installs or uninstalls webapps based on the spec in the './webapps' directory.
#
# This is used when setting up a new machine.
#

set -e
set -o nounset
set -o pipefail

THIS_FILE=${BASH_SOURCE[0]}
LOG_LABEL=$(basename $THIS_FILE)
SCRIPTS=${SCRIPTS:-$HOME/.local/scripts}
LOG_FILE=${LOG_FILE:-"$LOG_LABEL.log"}

if [ -z "$DEV_ENV" ]; then
	echo "env var DEV_ENV needs to be present"
	exit 1
fi

if [ -z "$XDG_DATA_HOME" ]; then
	echo "no xdg data home"
	echo "using ~/.local/share"
	XDG_DATA_HOME=~/.local/share
fi

grep=""
dry_run="0"
uninstall="0"

while [[ $# -gt 0 ]]; do
	echo "ARG: \"$1\""

	# Handle a --dry or --dry-run argument
	if [[ "$1" =~ ^--dry ]]; then
		dry_run="1"
	# Handle an --uninstall argument
	elif [[ "$1" =~ ^--u ]]; then
		uninstall="1"
	# Handle an --install argument (default)
	elif [[ ! "$1" =~ ^--i ]]; then
		grep="$1"
	fi
	shift
done

log() {
	logging log --source "$THIS_FILE" "$@"
}

install() {
	local file=$DEV_ENV/env/webapps/$(basename $1)
	local script="$DEV_ENV/env/.local/scripts/hypr/webapp"

	if [[ ! -x $script ]]; then
		log "Failed to find install web app script."
		exit 1
	fi

	# Install local icons if needed
	mkdir -p $XDG_DATA_HOME/applications/icons
	for i in $(find $DEV_ENV/env/.local/share/applications/icons -mindepth 1 -maxdepth 1 -type f); do
		if [[ ! -f $XDG_DATA_HOME/applications/icons/$i ]] && [[ $dry_run == "0" ]]; then
			cp $i $XDG_DATA_HOME/applications/icons
		fi
	done

	log "Installing webapp from spec: $file"

	if [[ $dry_run == "0" ]]; then
		$script install --file $file --no-interactive
	fi
}

uninstall() {
	local file=$DEV_ENV/env/webapps/$(basename $1)
	local script="$DEV_ENV/env/.local/scripts/hypr/uninstall-desktop-app"

	if [[ ! -x $script ]]; then
		log "Failed to find uninstall web app script."
		exit 1
	fi

	log "Uninstalling webapp from spec: $file"

	if [[ $dry_run == "0" ]]; then
		$script --file $file
	fi
}

############################## MAIN ##############################

# Setup logging file and label.
source "$SCRIPTS/hypr/logging"
setup-logging "$LOG_FILE" "$LOG_LABEL"
export LOG_ENABLE_DRY_RUN="$dry_run"

log "WEBAPP: -- grep: $grep"

apps_dir=$(find $DEV_ENV/env/webapps -mindepth 1 -maxdepth 1 -type f)
for s in $apps_dir; do
	if basename $s | grep -vq "$grep"; then
		log "grep \"$grep\" filtered out $s"
		continue
	fi

	if [[ $uninstall == "1" ]]; then
		uninstall $s
	else
		install $s
	fi
done