#!/bin/sh

set -e

# assuming we are composing worklog at the end of the day for tomorrow's standup
# and OFFSET for opening previous worklog: `wl -1` to open working composed on yesterday

format_date() {
    date -d "$1" +%Y-%m-%d
}

THIS_DATE=$1
if [ "$THIS_DATE" -eq "$THIS_DATE" ] 2>/dev/null; then # pure number, enter workday offsetting mode
    COUNT=$THIS_DATE
    STEP=+1
    [ "$COUNT" -gt 0 ] && STEP=-1
    THIS_DATE=$(format_date)
    while [ "$COUNT" -ne 0 ]; do
        THIS_DATE=$(format_date "$THIS_DATE - 1 day")
        while holiday "$THIS_DATE"; do
            THIS_DATE=$(format_date "$THIS_DATE - 1 day")
        done
        COUNT=$(echo "$COUNT $STEP" | bc)
    done
fi
while holiday "$THIS_DATE"; do
    THIS_DATE=$(format_date "$THIS_DATE - 1 day")
done


NEXT_DATE=$(format_date "$THIS_DATE + 1 day")
while holiday "$NEXT_DATE"; do
    NEXT_DATE=$(format_date "$NEXT_DATE + 1 day")
done

# create or open worklog file
LOGPATH=$(date -d "$NEXT_DATE" +%Y-%m-%d).md
THIS_DATE=$(date -d "$THIS_DATE" +%m/%d)
NEXT_DATE=$(date -d "$NEXT_DATE" +%m/%d)
cd ~/Documents/worklog/
if [ ! -f $LOGPATH ]; then
    echo $THIS_DATE > $LOGPATH
    echo >> $LOGPATH
    echo $NEXT_DATE >> $LOGPATH
fi
x-open $LOGPATH
#Typora $LOGPATH