#==============================================================================
# Stage 1: Read Configuration / Verify Integrity
#==============================================================================

if [ -r "$CONFIG_FILE" ]; then
    source "$CONFIG_FILE"
    verify_store
elif [ "$1" != "-i" ]; then
    >&2 printf "  $RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
     "Configuration not found. Please run sns -i."
     exit 5 #ERR_NO_STORE
fi

cd "$NOTES_DIR"
if [ "$ENCRYPTION" == "TRUE" ]; then
    # If the user chose not to decrypt notes before, clear that preference.
    if [ -r "$NOTES_DIR"/.do_not_decrypt ]; then
        rm "$NOTES_DIR"/.do_not_decrypt;
    fi
    # Check if GPG is installed.
    if   [ ! -r "$(which gpg)" ]; then
        >&2 printf "  $RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
            "Encryption was specified, but GPG is not installed."
        exit 100
    # Check if we have a GPG recipient
    elif [ -z "$PUBKEY" ]; then
        >&2 printf "  $RED_COLOR!$RESET_COLOR %s\n\t%s\n"\
         "No GPG recipient was provided in $CONFIG_FILE. "
        exit 110
    # All is good. If any previously unencrypted notes exist, encrypt them.
    # No harm in extra security.
    else
        find . -type f -name "*.$EXT" | grep -v "gpg" | while read TMP_NOTE; do
            NOTE="${TMP_NOTE%.$EXT}.gpg.$EXT"
            encrypt
            if [ -r "$NOTE" ]; then
                printf "  $YELLOW_COLOR!$RESET_COLOR %s\n" "Encrypted ${NOTE%.$EXT}"
                rm "$TMP_NOTE"
            fi
        done
    fi
# If encryption isn't enabled, make sure either all notes are decrypted or the user
# does not wish to decrypt all notes.
else
    if [ ! -r "$NOTES_DIR"/.do_not_decrypt ]; then
        if [ -n "$(find "$NOTES_DIR" -type f -name "*.gpg.$EXT" > /dev/null)" ]; then
            while true; do
                read -p "Would you like to de-encrypt previously encrypted notes? " YN
                case $YN in
                    [Yy]* )
                        read -s -p "Please enter your passphrase: " PASSPHRASE
		        cd "$NOTES_DIR"
                        find . -type f -name "*.gpg.$EXT" | while read -r NOTE; do
    			    gpg\
                                 --passphrase "$PASSPHRASE"\
                                 -o "${NOTE%.gpg.note}.note"\
                                 --decrypt "$NOTE"

                            if [ -r "${NOTE%.gpg.note}.note" ]; then
                                printf "  $YELLOW_COLOR!$RESET_COLOR %s\n"\
                                     "De-encrypted ${NOTE%.gpg.$EXT}"
                                rm "$NOTE";
                            fi
	     	         done
		         break;;
        		[Nn]* )
                            # Remember the user's preference.
                            touch "$NOTES_DIR/.do_not_decrypt"
	        	    break;;
        		*)
                        printf " $RED_COLOR!$RESET_COLOR %s\n" "Please enter Y or N"
                        ;; 
                esac
            done
        fi
    fi
fi