mg-common

#!/usr/bin/env bash
# mg-common - common functions for MacGen

set -e
set -u

# MacGen version
gScriptVersion="2.1.2"

# Styles
gStyleReset="\e[0m"
gStyleBold="\e[1m"
gStyleUnderlined="\e[4m"
# Colors
gColorBlack="\e[1m"
gColorRed="\e[1;31m"
gColorGreen="\e[32m"
gColorDarkYellow="\e[33m"
gColorMagenta="\e[1;35m"
gColorPurple="\e[35m"
gColorCyan="\e[36m"
gColorBlue="\e[1;34m"
gColorOrange="\e[31m"
gColorGrey="\e[37m"

# Debug mode, set to 1 to get information about the generated serial number
if [ ! -z ${MG_DEBUG+x} ]; then
	# Set gDebug to the value of the MG_DEBUG environment variable (if it is set)
	gDebug=$MG_DEBUG
else
	# Enable debug mode by default
	gDebug=1
fi

function print_error()
{
	# Print the error text and exit
	printf "%b%bERROR: %b%s\n" $gColorRed $gStyleBold $gStyleReset "$1"
	exit 1
}

function print_debug()
{
	# Print debug text as bold
	printf "%b%s: %b%s\n" $gStyleBold "$1" $gStyleReset "$2"
}

# Returns the decoded location.
function decode_location_val()
{
	local location="Unknown"

	case $1 in
		CK2)
			location="Cork, Ireland"
			;;
		C02|C07)
			location="Quanta Computer, China"
			;;
		C17|C1M)
			location="Unknown, China"
			;;
		# D25)
		#	location="????, ????"
		#	;;
		F5K)
			location="Flextronics, United States"
			;;
	esac

	echo "$location"
}

# Returns the decoded year number.
function decode_year_val()
{
	local yearNumber=0

	case $1 in
		C|D)
			let yearNumber=0
			;;
		F|G)
			let yearNumber=1
			;;
		H|J)
			let yearNumber=2
			;;
		K|L)
			let yearNumber=3
			;;
		M|N)
			let yearNumber=4
			;;
		P|Q)
			let yearNumber=5
			;;
		R|S)
			let yearNumber=6
			;;
		T|V)
			let yearNumber=7
			;;
		W|X)
			let yearNumber=8
			;;
		Y|Z)
			let yearNumber=9
			;;
	esac

	echo $yearNumber
}

# Returns the decoded week number.
function decode_week_val()
{
	local weekNumber=0

	case $1 in # These manufacture year values are offset by 27 weeks
		D|G|J|L|N|Q|S|V|X|Z)
			let weekNumber=27
			;;
	esac

	case $2 in
		[1-9])
			let weekNumber+=$2
			;;
		C)
			let weekNumber+=10
			;;
		D)
			let weekNumber+=11
			;;
		F)
			let weekNumber+=12
			;;
		G)
			let weekNumber+=13
			;;
		H)
			let weekNumber+=14
			;;
		K)
			let weekNumber+=15
			;;
		L)
			let weekNumber+=16
			;;
		M)
			let weekNumber+=17
			;;
		N)
			let weekNumber+=18
			;;
		P)
			let weekNumber+=19
			;;
		Q)
			let weekNumber+=20
			;;
		R)
			let weekNumber+=21
			;;
		S)
			let weekNumber+=22
			;;
		T)
			let weekNumber+=23
			;;
		U)
			let weekNumber+=24
			;;
		V)
			let weekNumber+=25
			;;
		W)
			let weekNumber+=26
			;;
		X)
			let weekNumber+=27
			;;
		Y)
			let weekNumber+=28
			;;
	esac

	echo $weekNumber
}