#!/usr/bin/env bash

function to() {
	status=$(tail -n 1 "$TIMELOG"|head -c 1)
	out="o $(TZ=America/Chicago date "+%Y-%m-%d %H:%M:%S")"
	account=$(tail -n 1 "$TIMELOG"|cut -f4- -d' '|grep .)
	if [ -n "$1" ]; then
		out+=" "
		out+="$1"
	fi
	if [ "$status" == "i" ]; then
		echo "$out" >> "$TIMELOG"
		echo "clocked out" >&2
		if [ "$account" != "" ]; then
			echo "account:" "$account" >&2
		else
			echo "account: none" >&2
		fi
		echo "$out"
	else
		echo "not clocked in" >&2
	fi
}

function ti() {
	in="i $(TZ=America/Chicago date "+%Y-%m-%d %H:%M:%S")"
	status=$(tail -n1 "$TIMELOG"|head -c1)
	if [ -n "$1" ]; then
		in+=" "
		in+="$1"
	fi
	if [ "$status" == "o" ] || [ "$status" == "" ]; then
		echo "$in" >> "$TIMELOG"
		echo "$in"
	elif [ "$status" == "i" ]; then
		echo "already clocked in" >&2
		echo "clocking out and then in" >&2
		to
		ti "$1"
	fi
}

function tito() {
	status=$(tail -n1 "$TIMELOG"|head -c1)
	if [ "$status" == "i" ]; then
		to "$1"
	elif [ "$status" == "o" ]; then
		ti "$1"
	fi
}

function status() {
	entry=$(tail -n1 "$TIMELOG")
	status=$(echo "$entry"|head -c1)
	if [ "$status" == "i" ]; then
		echo "clocked in" >&2
	elif [ "$status" == "o" ]; then
		echo "clocked out" >&2
	fi
	echo "$entry"
}

#prog="$(basename "$(test -L "$0" && readlink "$0" || echo "$0")")"
prog=$(basename -- "$(readlink -f -- "$0")")

if [ "$prog" == "to" ]; then
	to "$1"
elif [ "$prog" == "ti" ]; then
	ti "$1"
elif [ "$prog" == "tito" ]; then
	if [ "$1" == "to" ]; then
		to "$2"
	elif [ "$1" == "ti" ]; then
		ti "$2"
	elif [ "$1" == "status" ]; then
		status
	elif [ "$1" == "print" ]; then
		cat "$TIMELOG"
	elif [ "$1" == "accounts" ]; then
		cut -f4- -d' ' "$TIMELOG"|grep .|sed "s:  .*::"|sort|uniq
	elif [ "$1" != "ti" ] && [ "$1" != "to" ]; then
		tito "$1"
	fi
fi