#!/bin/bash

parse() {
	sudo_user="root"
	sudo_command=""
	sudo_login_shell=""
	local args=("$@")
	local i=0
	local arg_count=${#args[@]}
	while [[ $i -lt $arg_count ]]; do
		case "${args[$i]}" in
			-u|--user)
				((i++))
				if [[ $i -lt $arg_count ]]; then
					sudo_user="${args[$i]}"
				fi
				((i++))
				;;
			-i|--login)
				sudo_login_shell=true
				((i++))
				;;
			-s|--shell)
				((i++))
				;;
			--)
				((i++))
				sudo_command="${args[*]:$i}"
				break
				;;
			-*)
				((i++))
				;;
			su)
				((i++))
				local su_user=""
				while [[ $i -lt $arg_count ]]; do
					case "${args[$i]}" in
						-|-l|--login)
							sudo_login_shell=true
							((i++))
							;;
						-c|--command)
							((i++))
							if [[ $i -lt $arg_count ]]; then
								sudo_command="${args[$i]}"
								((i++))
							fi
							;;
						--session-command=*)
							sudo_command="${args[$i]#*=}"
							((i++))
							;;
						-m|-p|--preserve-environment)
							((i++))
							;;
						-s|--shell)
							((i++))
							if [[ $i -lt $arg_count && "${args[$i]}" != -* ]]; then
								((i++))
							fi
							;;
						-*)
							((i++))
							;;
						*)
							if [[ -z "$su_user" ]]; then
								su_user="${args[$i]}"
								((i++))
							else
								((i++))
							fi
							;;
					esac
				done
				if [[ -n "$su_user" ]]; then
					sudo_user="$su_user"
				fi
				break
				;;
			*)
				sudo_command="${args[*]:$i}"
				break
				;;
		esac
	done
}
parse "$@"

[ -z "$WSCOMPAT_MASTER" ] && WSCOMPAT_MASTER="$(whoami)"
read -r -d '' init_cmd << WSCOMPAT_EOF_9oqn7IVF || true
	export WS_IS_COMPAT=1
	export WSCOMPAT_MASTER="$WSCOMPAT_MASTER"
	export WSCOMPAT_DIR="/tmp/wscompat_${WSCOMPAT_MASTER}_\$(whoami)"
	rm -rf "\$WSCOMPAT_DIR" && mkdir -p "\$WSCOMPAT_DIR" && chmod 700 "\$WSCOMPAT_DIR"
	cat << 'WSCOMPAT_EOF_84EbM3la' > "\$WSCOMPAT_DIR/profile"
$(
	sed 's/WSCOMPAT_EOF_/WSCOMPAT_EOF__/g' "$WSCOMPAT_DIR/profile"
	for file in "$WSCOMPAT_DIR.profile"*.sh; do
		if [ -f "$file" ]; then
			sed 's/WSCOMPAT_EOF_/WSCOMPAT_EOF__/g' "$file"
		fi
	done
)
WSCOMPAT_EOF_84EbM3la
	. \$WSCOMPAT_DIR/profile
WSCOMPAT_EOF_9oqn7IVF

if [ -z "$sudo_command" ]; then
	sudo_command="exec /bin/bash --rcfile \"\$WSCOMPAT_DIR/bashrc\""
fi
if [ "$sudo_login_shell" ]; then
	bash_flags="--login --noprofile --norc";
else
	bash_flags="--noprofile --norc";
fi
exec /bin/sudo -u "$sudo_user" /bin/bash $bash_flags -c "$init_cmd; $sudo_command"