#!/bin/sh
file="2025-lmcu-checking-statements.csv"
if test "$1"; then
	file="$1"
fi
rules="lmcu-checking.csv.rules"
if test "$2"; then
	rules="$2"
fi

output="$(hledger -f"$file" --rules "$rules" balance --begin "$(date "+%Y-%m-01")")"

category() {
	category="$1"
	budget="$2"
	amount="$(printf "%s" "$output" | grep "$category" | tr -d ',' | grep -o '[0-9.]*')"
	if test -n "$amount"; then
		monthlyprogress="$(python3 -c 'print('$(date +%d)' / '$(daysthismonth)')')"
		overunder="$(python3 -c 'print(('$budget' * '$monthlyprogress') - '$amount')')"
		printf "%s\t%.2f\t%f\t%.2f\n" "$category" "$amount" "$(python3 -c 'print('$amount' / '$budget')')" "$overunder"
	else
		printf "%s not found.\n" "$category" >/dev/stderr
	fi
}

daysthismonth() {
	python3 -c 'from datetime import date; print([0,31,28,31,30,31,30,31,31,30,31,30,31][date.today().month])'
}

category dining 250
category groceries 600
category gas 200
category shopping 450
category special 400
category health 610 #460 + 150
category mortgage 2934
category utilities 625
category charity 450
category fees 0.01
output="$(date +%d) date"
category date $(daysthismonth)