#!/bin/bash
# relative or absolute path where the classes are
path=../public/data/class/*

# image filetype needs to be the same
file_type=*.jpg

# REGEX
reg='(.*)class\/([0\-9A\-z_]*)\/([0\-9A\-z_]*)\.jpg'
#reg='class\/([0\-9A\-z_]*)'
for i in $path
do
    if [ -d "$i" ]; then
        #echo "$i"

        json_file=$i/user.json

        printf '{\n"user":[\n'>$json_file

        for j in $i/*
        do

            if [[ $j == ${file_type} ]]; then
                if [[ $j =~ ${reg} ]]; then
                    echo "${BASH_REMATCH[3]}"
                    printf '"'>>$json_file
                    printf ${BASH_REMATCH[3]}>>$json_file
                    printf '",\n'>>$json_file
                else
                    echo "TEST2"
                    echo $j
                fi
            fi
        done
        cat $json_file | rev | cut -c 3- | rev 

    fi
done