#!/bin/bash


#----------------------------
#----------------------------
# Color table
# Black       0;30     Dark Gray     1;30
# Blue        0;34     Light Blue    1;34
# Green       0;32     Light Green   1;32
# Cyan        0;36     Light Cyan    1;36
# Red         0;31     Light Red     1;31
# Purple      0;35     Light Purple  1;35
# Brown       0;33     Yellow        1;33
# Light Gray  0;37     White         1;37
# No Color    0
CBlack='\e[0;30m'
CDarkGray='\e[1;30m'
CBlue='\e[0;34m'
CLightBlue='\e[1;34m'
CGreen='\e[0;32m'
CLightGreen='\e[1;32m'
CCyan='\e[0;36m'
CLightCyan='\e[1;36m'
CRed='\e[0;31m'
CLightRed='\e[1;31m'
CPurple='\e[0;35m'
CLightPurple='\e[1;35m'
CBrown='\e[0;33m'
CYellow='\e[1;33m'
CGray='\e[0;37m'
CWhite='\e[1;37m'
CNone='\e[0m'


#----------------------------
function init_common()
{
	# Check script folder
	SCRIPT_DIR=$(dirname $(readlink -f "$0"))
	cd $SCRIPT_DIR
	BASE_DIR=${PWD##*/}
	if [ "$BASE_DIR" != "scripts" ]; then 
		echo "This script can only be run from the script directory."
		exit 1
	fi
	
	#----------------------------
	# TDE source folder
	cd `git rev-parse --show-toplevel`
	CURR_DIR=${PWD##*/}
	if [ "$CURR_DIR" != "tde-packaging" ]; then 
		echo "Something wrong with folder structure.\nThis script should be located in the tde-packaging directory."
		exit 1
	fi
	cd ../..
	TDE_DIR=$PWD
	cd $SCRIPT_DIR
	
	#----------------------------
	# Read config settings
	CFG_FILE=$TDE_DIR/build_config.sh
	if [ -f "$CFG_FILE" ]; then
		. "$CFG_FILE"
	else
		echo -e "${CYellow}  --- NOTE ---${CNone}"
		echo "Creating TDE build configuration file from template as $CFG_FILE."
		echo "Please check and modify as required, then rerun this script."
		cp "$SCRIPT_DIR/_build_config_template.sh" "$CFG_FILE"
		exit 0
	fi
  SCRIPT_LOG_DIR=$TDE_DIR/$CFG_SCRIPT_LOG_DIR
	LOG_RESULT_FILENAME="$SCRIPT_LOG_DIR/build_result.log"  # Log result into the common build logfile

  cd "$SCRIPT_DIR"
}


#----------------------------
# Save execution start time
# Parameters:
#  $1 - timer number
function exec_time_start()
{
  _ET_start_var="_ET_start_$1"
  eval "$_ET_start_var=`date +%s.%N`"
}


#----------------------------
# Save execution stop time and set $2 to the execution time
# in the format: dd/hh:mm:ss.mmm
# Parameters:
#  $1 - timer number
#  $2 - result variable name
function exec_time_stop()
{
  _ET_start_var="_ET_start_$1"
  _ET_stop_var="_ET_stop_$1"
  eval "$_ET_stop_var=`date +%s.%N`"
  _ET_diff=`echo "${!_ET_stop_var} - ${!_ET_start_var}" | bc`
  _ET_days=`echo "$_ET_diff/86400" | bc`
  _ET_diff_day=`echo "$_ET_diff-86400*$_ET_days" | bc`
  _ET_hours=`echo "$_ET_diff_day/3600" | bc`
  _ET_diff_hour=`echo "$_ET_diff_day-3600*$_ET_hours" | bc`
  _ET_mins=`echo "$_ET_diff_hour/60" | bc`
  _ET_secs=`echo "$_ET_diff_hour-60*$_ET_mins" | bc`
  local _resultvar=$2
  eval "$_resultvar=`printf \"%02d/%02d:%02d:%06.3f\" $_ET_days $_ET_hours $_ET_mins $_ET_secs`"
}