shields

#!/bin/bash

##
#
# swaps in prepared files for /etc/hosts file
#
##

ERROR_OUT_MSG="I didn't understand. Try again. (up | down | offline)"

# If nothing specified, bounce out of the script.
if [ $# -eq 0 ]
  then
    echo $ERROR_OUT_MSG
    exit 1
fi

# Get the parameter
SHIELD_SETTING=$1
#Where do the files I'm looking for live
BASE_DIR="Developer/myutils/hosts_file_data_handling/ready"

if [ "$SHIELD_SETTING" = "up" ]; then
    WHICH_FILE="$HOME/$BASE_DIR/all.txt"
    MESSAGE_START="Engaging shields to maximum..."
    MESSAGE_END="Shields at full power..."
elif [ "$SHIELD_SETTING" = "down" ] || [ "$CONFIRM" = "N" ]; then
    WHICH_FILE="$HOME/$BASE_DIR/base.txt"
    MESSAGE_START="Shields being set to normal..."
    MESSAGE_END="Shields at neutral settings..."
elif [ "$SHIELD_SETTING" = "offline" ]; then
    WHICH_FILE="$HOME/$BASE_DIR/clear.txt"
    MESSAGE_START="Shields power down..."
    MESSAGE_END="Shields off"
else
    echo $ERROR_OUT_MSG
    exit 1
fi


say -v Fiona $MESSAGE_START

#Make sure the file exists and is what you want
printf "\n\nThis file?\n\n"
cat $WHICH_FILE || { echo " cat command failed, make sure proper hosts file has been assembled."; exit 1; }

printf "\nAre you sure (Y | N)?"
read CONFIRM

# If confimed, make swap, otherwise do nothing and send message.
if [ "$CONFIRM" = "yes" ] || [ "$CONFIRM" = "Y" ]; then
    sudo cp $WHICH_FILE /etc/hosts
    echo "Updated hosts file."
    say -v Fiona $MESSAGE_END
elif [ "$CONFIRM" = "no" ] || [ "$CONFIRM" = "N" ]; then
    echo "No change."
else
    echo "I didn't understand. Try again from the top."
    exit 1
fi

echo "Please confirm by viewing hosts file: cat /etc/hosts"