FBiH tax form generation script

fbihtax.bash

#!/bin/bash

usage () {
	echo "Welcome to AMS 1035 Form generator!"
	echo "This tool uses services provided by https://lab.itbase.ba"
	echo ""
	echo "Usage: generate_ams_form [OPTIONS]"
	echo "NOTE: All options are required unless otherwise stated!"
	echo "Options:"
	echo "  --first-name        pass first name of user"
	echo "  --last-name         pass last name of user"
	echo "  --user-address      pass address of user"
	echo "  --jmbg              pass JMBG of user"
	echo "  --client-name       pass name of client"
	echo "  --client-address    pass address of client"
	echo "  --client-country    pass country of client"
	echo "  --invoice-date      pass date (YYYY-MM-DD) of invoice"
	echo "  --invoice-month     pass month (YYYY-MM) of tax payment"
	echo "  --amount            pass amount in BAM received (conversion is based on rate on the day of invoice)"
	echo "  --deduction         tax deduction (usually 20%, should be 30% for authoring) - OPTIONAL"
	echo "  --tax-breakdown     instead of providing PDF form, provides tax breakdown in plain text (requires jq)"
	echo "  -o | --output       output file name - OPTIONAL - stdout by default"
}

required () {
  VARIABLE=$1
  if [[ -z ${!VARIABLE} ]]; then
    echo "Missing parameter: $VARIABLE" && exit 1;
  fi
}

DEDUCTION=20
OUTPUT_FILE_NAME=""
TAX_BREAKDOWN=0

while [ $# -gt 0 ]; do
  case "$1" in
		--first-name ) FIRST_NAME=${2%/}; shift ;;
		--last-name ) LAST_NAME=${2%/}; shift ;;
		--user-address ) USER_ADDRESS=${2%/}; shift ;;
		--jmbg ) JMBG=${2%/}; shift ;;
		--client-name ) CLIENT_NAME=${2%/}; shift ;;
		--client-address ) CLIENT_ADDRESS=${2%/}; shift ;;
		--client-country ) CLIENT_COUNTRY=${2%/}; shift ;;
		--invoice-date ) INVOICE_DATE=${2%/}; shift ;;
		--invoice-month ) INVOICE_MONTH=${2%/}; shift ;;
		--amount ) AMOUNT=${2%/}; shift ;;
    --deduction ) DEDUCTION=${2%/} ; shift ;;
    --tax-breakdown ) TAX_BREAKDOWN=1 ;;
    -o | --output ) OUTPUT_FILE_NAME=${2%/} ; shift ;;
    -h | --help ) usage && exit 0 ;;
    * ) usage && exit 1 ;;
  esac
  shift
done

required FIRST_NAME
required LAST_NAME
required USER_ADDRESS
required JMBG
required CLIENT_NAME
required CLIENT_ADDRESS
required CLIENT_COUNTRY
required INVOICE_DATE
required INVOICE_MONTH
required AMOUNT

load () {
	URL_SUFFIX=""
	if [ $TAX_BREAKDOWN -eq 1 ]; then
		URL_SUFFIX="/api"
	fi
	COMMAND='curl "https://lab.itbase.ba$URL_SUFFIX/ams?userFirstName=$FIRST_NAME&userLastName=$LAST_NAME&userAddress=$USER_ADDRESS&userJmbg=$JMBG&clientName=$CLIENT_NAME&clientAddress=$CLIENT_ADDRESS&clientCountry=$CLIENT_COUNTRY&invoiceDate=$INVOICE_DATE&invoiceMonth=$INVOICE_MONTH&amount1=$AMOUNT&payedAbroad1=false&deduction1=$DEDUCTION"'
	if [ $TAX_BREAKDOWN -eq 1 ]; then
		RESULT=$(eval $COMMAND)
		TAX=$(echo $RESULT | jq '.tax')
		HEALTH_CANTON=$(echo $RESULT | jq '.taxK')
		HEALTH_FEDERATION=$(echo $RESULT | jq '.taxF')
		echo "Tax breakdown:"
		echo ""
		echo "Income tax: $TAX KM"
		echo "Health insurance (Canton): $HEALTH_CANTON KM"
		echo "Health insurance (Federation): $HEALTH_FEDERATION KM"
	else
		eval $COMMAND
	fi
}

if [[ -z "$OUTPUT_FILE_NAME" ]]; then
	load
else
	load > $OUTPUT_FILE_NAME
fi