#!/bin/bash

# TODO Add comments

# Default variables
unset channel
unset message
unset passphrase
export file="/usr/local/etc/TheRaven/raven.conf"
export port="8373"
export host="localhost" 

# Show help
function usage() {
    echo "Usage: $0 -c chan -m msg [ -f file -t host -p port ]" 
    echo "       $0 -h" echo "Add -v to increase verbosity"
    echo "Passphrase is pulled from Raven config, set to ${file}"
}

# Parse arguments
while getopts 'c:hm:p:P:t:v' OPTION; do
    case "$OPTION" in 
        c) channel="${OPTARG}" ;;
        f) file="${OPTARG}" ;;
        h) usage; exit 0 ;;
        m) message="${OPTARG}" ;;
        p) port="${OPTARG}" ;;
        t) host="${OPTARG}" ;;
        v) set -x ;;
        *) usage; exit 1 ;;
    esac
done

# Check inputs.
if [ -z "$channel" ] || [ -z "$message" ] || [ -z "$file" ] || [ -z "$port" ] || [ -z "$host" ]; then
    usage;
    exit 1;
fi

# Try to get the passphrase.
passphrase="$(egrep -m 1 '^password=' "$file" | sed 's/^password=//')"
if [ -z "$passphrase" ]; then
    echo Couldn\'t identify passphrase.
    exit 2;
fi

# Send format to socket
printf "%s %s %s" "$passphrase" "$channel" "$message" | ncat "$host" "$port"