#!/bin/sh
###########################################################################
#
# Copyright (c) 2020-2022 Diality Inc. - All Rights Reserved.
#
# THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
# WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
#
# @file    globals.sh
#
# @author  (last)      Behrouz NematiPour
# @date    (last)      14-Dec-2022
# @author  (original)  Behrouz NematiPour
# @date    (original)  14-Dec-2022
############################################################################

# @details
#  This script includes the global variables and functions to be used in the setup and start scripts.

TRUE=1
FALSE=0

COMMENT_STAR="********************************************************************************"
COMMENT_DASH="--------------------------------------------------------------------------------"

DATETIME="$1 $2"

#DO NOT MODIFY VARIABLES, unless the denali applicaiton is updated as well to match.
SDCARD_DEV=/dev/mmcblk1
SDCARD_PRT=/dev/mmcblk1p1
SDCARD_MNT=/media/sd-card
SDCARD_TYP_NAME=ext4
SDCARD_TYP_NUMB=83

USB_DEV=/dev/sda1
USB_MNT=/media/usb

CLOUDSYNC_FOLDER=cloudsync # both for log and application

LOG_LOCATION=$HOME/Desktop
LOG_OUT_FILE=""
LOG_ERR_FILE=""

ERR_MISSING_FOLDER=101
ERR_MISSING_FILE=102
ERR_CONNECTION=103
ERR_DENALI_BIN=104
ERR_FONTS_EMTY=105
ERR_FONTS_PATH=106
ERR_KILLPROMPT=107
ERR_MISSING_KEY=109
ERR_SCP_FAIL=110
ERR_INVALID_IP=111
ERR_SD_CARD=112

SRC_FILE_SSHKEY="$HOME/.ssh/id_rsa"
SRC_FILE_SSHKEY_PUB=$SRC_FILE_SSHKEY.pub
SRC_PATH_SCRIPTS="scripts"
SRC_PATH_CONFIG="settings"
SRC_PATH_CLOUDSYNC="cloudsync"
SRC_PATH_FONTS="fonts"

DST_IP=""
DST_USER=root
DST_PATH_CONFIG="/home/$DST_USER/.config"
DST_PATH_HOME="/home/$DST_USER"
DST_PATH_SCRIPTS="/home/$DST_USER/scripts"
DST_PATH_CLOUDSYNC="/home/$DST_USER/cloudsync"
DST_PATH_FONTS="/usr/share/fonts/truetype"

POSTLOG=$HOME/post.log
POSTERR=$HOME/post.err
POSTOUT=$HOME/post.out
POSTMSG_POSTFIX_PASSED=" passed"
POSTMSG_POSTFIX_FAILED=" failed"
POSTMSG_CANBUS="CANBus"
POSTMSG_SDCARD="SD-CARD"
POSTMSG_TOUCH="Touch"
POSTMSG_RTC="RTC"
POSTMSG_WIFI="WiFi"
POSTMSG_BLUETOOTH="Bluetooth"
POSTMSG_SHASUM="App shasum"
POSTMSG_CLOUDSYNC="CloudSync"
POSTMSG_CLOUDSYNC_RUNNING="CloudSync app IS running"

TDCTL_NTP_USED=$FALSE
TDCTL_RTC_LOCL=$TRUE
TDCTL_TIMEZONE=America/Los_Angeles

IP_SEG_MAX_LEN=3
IP_EMT="192.168.10."
SSH_PARAM="-oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no -oLogLevel=ERROR -oConnectTimeout=2"

CMD_RTC_EPOCH="cat /sys/class/rtc/rtc0/since_epoch"
CMD_SDCARD_DEV="ls $SDCARD_DEV"
CMD_SDCARD_PRT="ls $SDCARD_PRT"
CMD_LINUX_TYPE="sfdisk --part-type $SDCARD_DEV 1"

INITD_LOCATION=/etc/init.d/
INITD_AUTOSTART=autostart
DENALI_BIN=denali
LAUNCH_SCR=run.sh

function confirm() {
  read -p "$1? [y,n]" -n 1 -r CONTINUE
  if [ "$CONTINUE" == "y" ]; then
    echo ""
    return $TRUE
  else
    echo ""
    return $FALSE 
  fi
}

string_trim() {
    local var="$*"
    # remove leading whitespace characters
    var="${var#"${var%%[![:space:]]*}"}"
    # remove trailing whitespace characters
    var="${var%"${var##*[![:space:]]}"}"
    printf '%s' "$var"
}

function echo_star_comment() {
  echo "$COMMENT_STAR"" $1 "
}

function echo_star_message() {
  echo " * $1"
}

function echo_dash_comment() {
  echo "$COMMENT_DASH"" $1 "
}

function echo_dash_message() {
  echo " $1"
}

function timestamp() {
  echo $(date +"%Y%m%d-%H%M%S")
}

function validIP()
{
  local  ip=$1
  if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
    OIFS=$IFS
    IFS='.'
    ip=($ip)
    IFS=$OIFS
    if [[ ${ip[0]} -gt 255 && \
          ${ip[1]} -gt 255 && \
          ${ip[2]} -gt 255 && \
          ${ip[3]} -gt 255 ]]; then
      return $ERR_INVALID_IP
    fi
  else
    return  $ERR_INVALID_IP
  fi
  return 0
}

function existsFolder() {
  if [ ! -d "$1" ]; then
    return "$ERR_MISSING_FOLDER"
  fi
}

function existsFile() {
  if [ ! -f "$1" ]; then
    return "$ERR_MISSING_FILE"
  fi
}

COUT="/dev/null"

function post_log_clear () { echo ""                 > $POSTLOG; }
function post_err_clear () { echo ""                 > $POSTERR; }
function post_out_clear () { echo ""                 > $POSTOUT; }

function post_log_pass  () { echo "$1"              >> $POSTLOG; echo "[  OK  ] $1"     > "$COUT"; }
function post_log_fail  () { echo "$1"              >> $POSTLOG; echo "[FAILED] $1"     > "$COUT"; }
function post_log_dash  () { echo "$COMMENT_DASH$1" >> $POSTLOG; echo "$COMMENT_DASH$1" > "$COUT"; }
function post_log_star  () { echo "$COMMENT_DASH$1" >> $POSTLOG; echo "$COMMENT_STAR$1" > "$COUT"; }
function post_log       () { echo "$1"              >> $POSTLOG; echo "         $1"     > "$COUT"; }

function post_err       () { echo "$1"              >> $POSTERR; }
function post_err_dash  () { echo "$COMMENT_DASH$1" >> $POSTERR; }

function post_out       () { echo "$1"              >> $POSTOUT; }
function post_out_dash  () { echo "$COMMENT_DASH$1" >> $POSTOUT; }

function debug          () { 
  echo_dash_comment
  echo_dash_message "$1"
  echo_dash_comment
}