#!/bin/bash

# File: ravensend
# 
# Description: This file sends a message to the Raven API
# 
# Package: AniNIX/ravensend
# Copyright: WTFPL
# 
# Author: DarkFeather <ircs://aninix.net:6697/DarkFeather>

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

function getAPIConfigValue() {
    # Get the api config value
    # param attr: the attribute to look for
    # returns: the attribute's value
    grep -A 10 -E '^\[ API \]$' "$file" | grep -m 1 -E '^'"$1"'=' | sed 's/^'"$1"'=//'
}

# Parse arguments
while getopts 'c:f:hm: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
if [ -z "$port" ]; then 
    port="$(getAPIConfigValue port)"
fi

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

# Try to get the passphrase.
passphrase="$(getAPIConfigValue password)"
if [ -z "$passphrase" ]; then
    echo Couldn\'t identify passphrase.
    exit 2;
fi


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