#!/bin/bash

## Send a notification with NTFY and check if the config file is complete

if [[ "$UID" == "0" ]]; then
    NTFY_CONFIG_FILE="/etc/ntfy/ntfy.conf"
else
    NTFY_CONFIG_FILE="$HOME/.config/ntfy/ntfy.conf"
fi

SERVER="https://ntfy.0k.io/"

if ! [ -e "$NTFY_CONFIG_FILE" ]; then
    mkdir -p "${NTFY_CONFIG_FILE%/*}"
    ## default option to change if needed
    echo "SERVER=$SERVER" > "$NTFY_CONFIG_FILE"
## else if $NTFY_CONFIG_FILE exist but SERVER is not defined
elif ! grep -q "^SERVER=" "$NTFY_CONFIG_FILE"; then
    echo "SERVER=$SERVER" >> "$NTFY_CONFIG_FILE"
fi

source "$NTFY_CONFIG_FILE"

for var in SERVER LOGIN PASSWORD; do
    if ! [ -v "$var" ]; then
        echo "Error: missing $var in $NTFY_CONFIG_FILE"
        exit 1
    fi
done


exname=${0##*/}
usage="Usage: $exname CHANNEL MESSAGE"

if [ "$#" -ne 2 ]; then
    echo "$usage" >&2
    exit 1
fi

channel="$1"
message="$2"

curl -s -u $LOGIN:$PASSWORD \
     -d "$message" "$SERVER/$channel" > /dev/null