#!/bin/bash

CONF=/etc/config/qpkg.conf
QPKG_NAME="HybridBackup"
QPKG_INSTALL_PATH=$(/sbin/getcfg $QPKG_NAME Install_Path -d FALSE -f $CONF)
HBS_TM_CONF="${QPKG_INSTALL_PATH}/timemachine.conf"

function is_afpd_running() {
    /bin/ps | /bin/grep "sbin/afpd" | /bin/grep -v grep > /dev/null 2>&1
    afp_exist=$?
    if [ "${afp_exist}" = "0" ]; then
        return 0 # true
    else
        return 1 # false
    fi
}

function is_smbd_running() {
    /bin/ps | /bin/grep "sbin/smbd" | /bin/grep -v grep > /dev/null 2>&1
    smb_exist=$?
    if [ "${smb_exist}" = "0" ]; then
        return 0 # true
    else
        return 1 # false
    fi
}

function migrate() {
    _tmp_conf="${HBS_TM_CONF}.migrae.tmp"
    _old_tm_enabled=$(/sbin/getcfg "TimeMachine" Enabled -u -d FALSE)
    echo "[Global]" > "${_tmp_conf}"
    if [ "${_old_tm_enabled}" = "TRUE" ]; then
        echo "Enable = TRUE" >> "${_tmp_conf}"
    else
        echo "Enable = FALSE" >> "${_tmp_conf}"
    fi

    if is_smbd_running; then
        echo "BonjourSMB = TRUE" >> "${_tmp_conf}"
    else
        echo "BonjourSMB = FALSE" >> "${_tmp_conf}"
    fi

    if [ "${_old_tm_enabled}" = "TRUE" ]; then
        if is_afpd_running; then
            echo "BonjourAFP = TRUE" >> "${_tmp_conf}"
        else
            echo "BonjourAFP = FALSE" >> "${_tmp_conf}"
        fi
    else
        # whole new install that default disable bonjour afp
        echo "BonjourAFP = FALSE" >> "${_tmp_conf}"
    fi

    echo "[SharedAccount]" >> "${_tmp_conf}"
    if [ "${_old_tm_enabled}" = "TRUE" ]; then
        echo "Enable = TRUE" >> "${_tmp_conf}"
    else
        echo "Enable = FALSE" >> "${_tmp_conf}"
    fi
    echo "UserName = TimeMachine" >> "${_tmp_conf}"
    echo "FolderName = TMBackup" >> "${_tmp_conf}"
    _capacity=$(/sbin/getcfg "TimeMachine" "Capacity" -u -d "0")
    echo "CapacityGB = ${_capacity}" >> "${_tmp_conf}"
    mv "${_tmp_conf}" "${HBS_TM_CONF}"
    /bin/chmod 644 "${HBS_TM_CONF}"
}

case "$1" in
  migrate)
    migrate
    ;;
  *)
    echo "Not support [$1]"
    echo "Usage: $0 {migrate}"
    exit 1
esac

exit 0