#!/bin/bash

outfile=output.txt
date +"%A, %B %d, %y %T" > ./${outfile}
printf "\n" >> ${outfile}

let "errCnt=0"
let "updateCnt=0"
let "thisErr=0"

wd=$(pwd)
hPos=$(tput cols)
for path in ./*; do
    [ -d "${path}" ] || continue # if not a directory, skip
    dname="$(basename "${path}")"
    for ph in $dname/*; do
        [ -d "${ph}" ] || continue # if not a directory, skip
        if [[ ":${ph}:" ==  *"printOutput"* ]]
            then
            continue
        fi
        dirname="$(basename "${ph}")"
        printf "running 'make run' on ${ph}\t"
        if [[ "$1" == "clean" ]]; then
            make -C ${ph} clean > /dev/null
        fi
        makeRes=$(make -C ${ph} run 2>&1)
        if [[ $makeRes == *error* ]]; then
            ((errCnt++))
            ((thisErr++))
            tput cup $hPos $(tput lines)
            echo "[FAIL]"
            echo "$makeRes"
        fi
        printf "${ph}\n\n" >> ${outfile}
        cat ${ph}/output.txt >> ${outfile}
        printf "\n========\n" >> ${outfile}
        mkdir -p printOutput/${ph}
        if [ ${ph}/output.txt -nt printOutput/${ph}/0-main.c.pdf ]; then
            for file in ${ph}/*.c; do
                srcHeader="// Project: ${ph}\n// (month.day/project)\n"
                printf "$srcHeader\n\n" | cat - $wd/${file} | expand -t 7 | pygmentize -l c | aha > source-color.html
                if [ "$(echo ${file} | grep main.c)" != "" ]
                    then
                    outName=$(echo ${file} | sed "s/\//\/0-/2")
                    else
                    outName=$(echo ${file} | sed "s/\//\/1-/2")
                fi
                xvfb-run -a wkhtmltopdf -s letter source-color.html printOutput/$outName.pdf
            done
            if [[ "$(ls ${ph}/*.h 2>/dev/null)" != "" ]]; then
                for file in ${ph}/*.h; do
                    srcHeader="// Project: ${ph}\n// (month.day/project)\n"
                    printf "$srcHeader\n\n" | cat - $wd/${file} | expand -t 7 | pygmentize -l c | aha > source-color.html
                    outName=$(echo ${file} | sed "s/\//\/2-/2")
                    echo printOutput/$outName.pdf
                    xvfb-run -a wkhtmltopdf -s letter source-color.html printOutput/$outName.pdf
                done
            else
                echo "no headers in ${ph}"
            fi
            if [[ "$(ls ${ph}/*.txt 2>/dev/null)" != "" ]]; then
                for file in ${ph}/*.txt; do
                    srcHeader="Output for $(echo ${ph}/build/*.o)"

                    outName=$(echo ${file} | sed "s/\//\/3-/2")
                    printf "$srcHeader\n\n" | cat - $wd/${file} > printOutput/$outName
                done
            else
                echo "no text files in ${ph}"
            fi
            ((updateCnt++))
        fi
        if [ $thisErr == 0 ]; then
            tput cup $hPos $(tput lines)
            echo "[OK]"
        fi
        let "thisErr=0"
    done
done
rm -f source-color.html
printf "Updated $updateCnt project(s) and encountered $errCnt error(s).\n"