#!/bin/bash

TMP_FILE=$(mktemp)
TMP_OUT=$(mktemp)

TMP_USERS=$(mktemp)
TMP_SHARES=$(mktemp)


#########################################################################################
# SHOW USERS LIST
# Ask to select a user
#########################################################################################

# Retrieve list of users from external script
bash $SMB_TOOLS_PATH/functions/list_smb_users.sh > "$TMP_USERS"
if [ ! -s "$TMP_USERS" ]; then
    dialog --msgbox "No users" 10 40
    rm -f "$TMP_FILE" "$TMP_USERS" "$TMP_OUT" "$TMP_SHARES"
    exit 1
fi

# Format list for dialog menu: convert each username into a pair (tag + description)
MENU_ITEMS=()
while read -r user; do
    MENU_ITEMS+=("$user" "")  # empty description
done < "$TMP_USERS"

# Ask for username via a menu
dialog --backtitle "Create SMB share" \
       --menu "Select associated username:" 15 50 8 \
       "${MENU_ITEMS[@]}" 2>"$TMP_FILE"
USERNAME=$(<"$TMP_FILE")


#########################################################################################
# SHOW SHARES LIST
# Ask to select a share assigned to the selected user
#########################################################################################

# Retrieve list of users from external script
bash $SMB_TOOLS_PATH/functions/list_smb_shares.sh $USERNAME> "$TMP_SHARES"
if [ ! -s "$TMP_SHARES" ]; then
    dialog --msgbox "No shares associated with the user" 10 40
    rm -f "$TMP_FILE" "$TMP_USERS" "$TMP_OUT" "$TMP_SHARES"
    exit 1
fi

# Format list for dialog menu: convert each username into a pair (tag + description)
MENU_ITEMS=()
while read -r share; do
    MENU_ITEMS+=("$share" "")  # empty description
done < "$TMP_SHARES"

# Ask for username via a menu
dialog --backtitle "Create SMB share" \
       --menu "Select associated username:" 15 50 8 \
       "${MENU_ITEMS[@]}" 2>"$TMP_FILE"
SHARE=$(<"$TMP_FILE")


#########################################################################################
# REMOVE SELECTED SHARE
#########################################################################################


# Call the external script to create the share
bash $SMB_TOOLS_PATH/functions/remove_share.sh "$SHARE" "$USERNAME" >"$TMP_OUT" 2>&1

# Display the result
dialog --backtitle "Remove SMB share" \
       --title "Result" \
       --textbox "$TMP_OUT" 20 60

# Cleanup
rm -f "$TMP_FILE" "$TMP_USERS" "$TMP_OUT" "$TMP_SHARES"