#!/bin/sh

# Vars {{{
DEBUG=0

username="${1}"

workdir_basepath="/mnt/work"
user_id="$(id -u "${username}" 2>/dev/null)"
user_primary_group="$(id -g "${username}" 2>/dev/null)"
user_workdir_path="${workdir_basepath}/${username}"
# }}}

# Ensure to get one argument {{{
if [ "${#}" -eq 1 ]; then
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : arg check — ${0} get one argument: ${1}."
else
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : arg check — ${0} should get only one argument."
	exit 1
fi
# }}}
# Check user exist {{{
if [ "${user_id}" ]; then
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : user check — ${username} exists."
else
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : user check — ${username} doesn't exists."
	exit 1
fi

# }}}
# Check if workdir already exist {{{
if [ $(ls -1d "${user_workdir_path}" 2> /dev/null) ]; then
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : workdir check — ${user_workdir_path} already exists. Abord this script."
	exit 1
else
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : workdir check — ${user_workdir_path} doesn't exists. Continue."
fi

# }}}
# Check group exist {{{
if [ "${user_primary_group}" ]; then
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : group check — group ${user_primary_group} exists."
else
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : group check — ${username}'s primary doesn't seems available on this system."
	exit 1
fi

# }}}
# Check work base path is available {{{
if [ $(ls -1 -- "${workdir_basepath}" 2> /dev/null| wc -l) -gt 5 ]; then
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : work_base check — ${workdir_basepath} seems available."
else
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : work_base check — ${workdir_basepath} doesn't seems available."
	exit 1
fi

# }}}
# Try to create user's workdir {{{
command mkdir -p -- "${user_workdir_path}"
if [ $(ls -1d "${user_workdir_path}" 2> /dev/null) ]; then
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : workdir creation — ${user_workdir_path} ok."
else
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : workdir creation — ${user_workdir_path} error."
	exit 1
fi

# }}}
# Try to set permissions on user's workdir {{{
if command chown "${user_id}:${user_primary_group}" -R -- "${user_workdir_path}"; then
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : workdir permissions — set permission for ${user_id}:${user_primary_group} ok."
else
	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : workdir permissions — set permission for ${user_id}:${user_primary_group} error."
	exit 1
fi

# }}}

exit 0