create_assignment

#!/bin/bash

echo Sheet Number:
read sheetNumber
size=${#sheetNumber}
if [ $size -eq 1 ]
then
    sheetNumber="0$sheetNumber"
fi

echo Number of Exercises:
read nmbrExercises

date=$(date '+%Y-%m-%d')

title=$(sed -n '1p' config.txt | sed -E 's/(.*):(.*)/\2/')
group=$(sed -n '2p' config.txt | sed -E 's/(.*):(.*)/\2/')
students=""
studentNames=""

while IFS= read -r line
do
	if echo "$line" | grep -Eq 'Name: .*'
	then
		name=$(echo $line | sed -E 's/Name: (.*) StudentNumber: (.*)/\1/')
		studentid=$(echo $line | sed -E 's/Name: (.*) StudentNumber: (.*)/\2/')
		students="${students}$name ($studentid) \\\\\\\\ "
		studentNames="${studentNames}$(echo $name | sed -E 's/(.*)\s(.*)/\2/')"
	fi
done < config.txt

cp -a "template/." "assignment_$sheetNumber/"

cd "assignment_$sheetNumber"

cd main

sed -i "s/%sheetnr/$sheetNumber/g" main.tex
sed -i "s/%Authors/$students/g" main.tex
sed -i "s/XXXXXXXX/$date/g" main.tex
sed -i "s/%Title/$title/g" main.tex
sed -i "s/.*%title/\\\\ihead\{${title} \\\\\\\\%title/g" ../../styles/preamble.tex
sed -i "s/.*%Authors/${students}%Authors/g" ../../styles/preamble.tex
sed -i "s/.*%group/${group}%group/g" ../../styles/preamble.tex

month=$(date '+%m')
year=$(date '+%Y')
if [ $month -le 3 ] || [ $month -ge 10 ]
then
	sed -i "s/.*%tornus/Winter $year \\\\\\\\ %tornus/g" ../../styles/preamble.tex
else
    if grep -q "Assignment" ../../styles/preamble.tex
    then
	    sed -i "s/.*%tornus/Summer $year \\\\\\\\ %tornus/g" ../../styles/preamble.tex
    else
	    sed -i "s/.*%tornus/Sommer $year \\\\\\\\ %tornus/g" ../../styles/preamble.tex
    fi
fi

studentNames=$(echo $studentNames | sed -E 's/ü/ue/g')
studentNames=$(echo $studentNames | sed -E 's/ä/ae/g')
studentNames=$(echo $studentNames | sed -E 's/ö/oe/g')
mv main.tex "${studentNames}_Assignment${sheetNumber}.tex"

cd ..

for (( i=1; i<=$nmbrExercises; i++ ))
do
    exercise=""
    if [ $i -lt 10 ]
    then 
        exercise="0$i"
    else
        exercise="$i"
    fi
	cp -a "exercise_template/." "exercise_$exercise/"
	mv exercise_$exercise/ex_00.tex exercise_$exercise/ex_$exercise.tex
	sed -i "s/FILENAME/..\/main\/${studentNames}_Assignment$sheetNumber.tex/g" "exercise_$exercise/ex_$exercise.tex"
	sed -i "s/%subfile/\\\\subfile\{..\/exercise_$exercise\/ex_$exercise.tex\}\n%subfile/g" "main/${studentNames}_Assignment$sheetNumber.tex"
done

rm -r exercise_template