#!/bin/bash


show_help() {
    echo "Usage: $0 [--files|-f files]"
    echo "Options:"
    echo "  --help        | -h        (Optional) Display help information on how to use this script"
    echo "  --files       | -f        (Optional) Specify the files to explode, separation by comma (,)"
    echo "                                  If not specified, the script will apply the changes to all [jew]ar files in current directory"
    echo "  --revert true | -r true   (Optional) Undo the exploding of java files"
}

files_arg=''
revert=false

while [ "$#" -gt 0 ]; do
    case "$1" in
        --help|-h) show_help; exit ;;
        --files|-f) files_arg="$2"; shift 2;;
        --revert|-r) revert=true; shift 2;;
        *) shift ;;
    esac
done

convert_csv_to_array() {
    csv_arg=$1
    res_arr=`echo $csv_arg | tr ',' "\n"`
    echo $res_arr
}

files=()

if [ ! -z "$files_arg" ]; then
    files=`convert_csv_to_array "$files_arg"`
else
    regex_search=".*[jew]ar"

    if $revert; then
        regex_search+=".old"
    fi

    files=(`find * -maxdepth 0 -type f -regextype sed -regex $regex_search`)
fi

for f in ${files[@]}; do
    if [ ! -f "$f" ]; then
        continue
    fi

    if $revert; then
        file_without_old_suffix=${f%".old"}

        # "f" will have ".old" suffix
        mv $f $file_without_old_suffix
        zip $file_without_old_suffix $f
        rm -f "$file_without_old_suffix.dodeploy"
    else
        mv $f $f.old
        unzip -d $f $f.old
        touch $f.dodeploy
    fi

        rm -f "$f.isdeploying"
        rm -f "$f.deployed"
        rm -f "$f.failed"
done