#!/bin/bash
#
# Author  : Gaston Gonzalez
# Date    : 5 December 2024
# Purpose : Wrapper script for starting chattervox with PnP support
#
# Preconditions:
# 1. Supported radio and audio interface are connected and properly detected
# 2. Dire Wolf is started
#
# Postconditions:
# 1. Callsign and KISS host updated
# 2. chattervox is started

CHATTERVOX_CONF_DIR=${HOME}/.chattervox
CHATTERVOX_CONF_FILE=${CHATTERVOX_CONF_DIR}/config.json

usage() {
  echo "usage: $(basename $0) <command>"
  echo "  <command>"
  echo "    start           - Start chat"
  echo "    update-config   - Update configuration for selected mode"
}

if [ $# -ne 1 ]; then
  usage
  exit 1
fi

notify_user() {
  notify-send \
   -t 5000 \
   --app-name="EmComm Tools" \
   "$1"
}

start() {
  update-config
  
  if [ $? -eq 0 ]; then

    RIGCTLD_OUT=$(ps -ef | grep [d]irewolf)
    if [ $? -ne 0 ]; then
      et-log "Can't start chattervox. Dire Wolf not running."
      notify_user "Can't start chattervox. Dire Wolf not running."
      exit 1
    fi

    CWD_DIR=$(pwd)

    CMD="chattervox chat"
    et-log "Starting chattervox with: ${CMD}"

    ${CMD}

  else 
    et-log "Error updating configuration. Can't start chattervox"
    exit 1
  fi
}

update-config () {

    [ -z "${ET_USER_CONFIG}" ] && ET_USER_CONFIG="${HOME}/.config/emcomm-tools/user.json"

    CALLSIGN=$(cat ${ET_USER_CONFIG} | jq -r .callsign)

    if [ "${CALLSIGN}" = "N0CALL" ]; then
      notify_user "Can't start chattervox. No callsign set. Run: et-user."
      exit 1
    fi
 
    [ ! -e ${CHATTERVOX_CONF_DIR} ] && mkdir ${CHATTERVOX_CONF_DIR}

    if [ ! -e ${CHATTERVOX_CONF_FILE} ]; then
      et-log "chattervox configuration does not exist creating: ${CHATTERVOX_CONF_FILE}..."

cat <<EOF > "${CHATTERVOX_CONF_FILE}"
{
  "version": 3,
  "callsign": "${CALLSIGN}",
  "ssid": 0,
  "keystoreFile": "${HOME}/.chattervox/keystore.json",
  "kissPort": "kiss://localhost:8001",
  "kissBaud": 9600,
  "feedbackDebounce": 20000
}
EOF

    fi
}

case $1 in
  start)
    start
    ;;
  update-config)
    update-config
    ;;
  *)
    echo "Invalid command."
    usage
    exit 1
  ;;
esac