#!/bin/sh

working_directory=$(date +%Y-%m-%d)
human_readable=$(date "+%d %b %Y")

cd ~/doc/briefs/
mkdir "$working_directory"
cd "$working_directory"

cat > main.tex <<EOF
\documentclass[oneside]{article}

\usepackage{amssymb}
\usepackage[left=1.5cm, right=1.5cm, top=1.5cm, bottom=1.5cm]{geometry}

\pagenumbering{gobble}

\begin{document}

\noindent {\Large Ryan Marina} \hspace{\fill} {\Large Briefing for $human_readable}

\noindent \textsc{Internal Document System} \hspace{\fill} $ \square $ \textit{scanned?} $ \square $ \textit{not scanned?}

\noindent \textit{Digital Archive Supplement} \hspace{\fill} internal notes: \rule{3cm}{0.4pt}

\noindent \texttt{iref:doc/briefs/$working_directory}

\vspace{0.4cm}

\noindent \textsc{Schedule}

\vspace{-0.30cm}

\noindent \rule{\textwidth}{0.4pt}

EOF

schedule=$(
	khal list today today --format "{calendar}|{categories}|{start-time}|{end-time}|{title}" |
	grep -E '^home\|school\||band\|'
)
IFS='
'

for class in $schedule; do
	echo "$class" |
		awk -F'|' '{
			print "\\noindent " $5 " \\hspace{\\fill} \\textit{(" $3 "-" $4 ")}\n\n"
		}' >> main.tex
done

cat >> main.tex <<EOF
\vspace{0.4cm}

\noindent \textsc{Unresolved Items}

\vspace{-0.30cm}

\noindent \rule{\textwidth}{0.4pt}


EOF

todo_items=$(
	todo --porcelain |
	jq -r '.[].summary'
)
IFS='
'

for todo in $todo_items; do
	printf '\\noindent $ \\square $ %s\n\n' "$todo" >> main.tex
done

cat >> main.tex <<EOF
\vspace{0.4cm}

EOF

# generate notices
ssh netbox df -h |
	grep /dev/vda3 |
	awk -F' ' '{print "\\item \\texttt{" $1 "} on \\texttt{netbox} is at " $5 " utilization."}' |
	sed 's/\%/\\%/g' > notices.tex

if [ -f notices.tex ]; then
	cat >> main.tex <<EOF
\noindent \textsc{Procedural Notices}

\vspace{-0.30cm}

\noindent \rule{\textwidth}{0.4pt}

\begin{enumerate}

\input{notices}

\end{enumerate}

\vspace{0.4cm}
EOF
fi

cat >> main.tex <<EOF
\noindent \textsc{Items to be Appended to the Agenda}

\vspace{-0.30cm}

\noindent \rule{\textwidth}{0.4pt}

\end{document}
EOF

pdflatex main.tex

printf "[!] briefing generated\n"

printf "file:///home/usr/doc/briefs/%s/main.pdf\n" "$working_directory"