#!/usr/bin/env bash
set -euo pipefail

# Start Umbrel

if [[ $UID != 0 ]]; then
    echo "Umbrel must be started as root"
    echo "Please re-run this script as"
    echo "  sudo ./scripts/start"
    exit 1
fi

check_dependencies () {
  for cmd in "$@"; do
    if ! command -v $cmd >/dev/null 2>&1; then
      echo "This script requires \"${cmd}\" to be installed"
      exit 1
    fi
  done
}

# Check system's dependencies
check_dependencies readlink dirname ip docker docker-compose

# Check karen's dependencies
check_dependencies fswatch

# Check OTA update scripts' dependencies
check_dependencies rsync jq curl

UMBREL_ROOT="$(dirname $(readlink -f "${BASH_SOURCE[0]}"))/.."
UMBREL_LOGS="${UMBREL_ROOT}/logs"

if [[ ! -d "$UMBREL_ROOT" ]]; then
  echo "Root dir does not exist '$UMBREL_ROOT'"
  exit 1
fi

# Configure Umbrel if it isn't already configured
if [[ ! -f "${UMBREL_ROOT}/statuses/configured" ]]; then
  NETWORK="${NETWORK:-mainnet}" "${UMBREL_ROOT}/scripts/configure"
fi

echo
echo "======================================"
echo "============= STARTING ==============="
echo "============== UMBREL ================"
echo "======================================"
echo

echo "Setting environment variables..."
echo

# Whitelist device IP, hostname and hidden service for CORS
DEVICE_IP="$(ip -o route get to 8.8.8.8 | sed -n 's/.*src \([0-9.]\+\).*/\1/p')"
DEVICE_HOSTNAME="$(hostname)"
DEVICE_HOSTS="http://${DEVICE_IP},http://${DEVICE_HOSTNAME}.local,https://${DEVICE_HOSTNAME}.local,http://${DEVICE_HOSTNAME},https://${DEVICE_HOSTNAME}"
if [[ -f "${UMBREL_ROOT}/tor/data/web/hostname" ]]; then
    hidden_service_url=$(cat "${UMBREL_ROOT}/tor/data/web/hostname")
    DEVICE_HOSTS="${DEVICE_HOSTS},http://${hidden_service_url}"
fi
export DEVICE_HOSTS=$DEVICE_HOSTS
export DEVICE_HOSTNAME="${DEVICE_HOSTNAME}.local"

# Increase default Docker and Compose timeouts to 240s
# as bitcoin can take a long while to respond
export DOCKER_CLIENT_TIMEOUT=240
export COMPOSE_HTTP_TIMEOUT=240

cd "$UMBREL_ROOT"

echo "Starting karen..."
echo
./karen &>> "${UMBREL_LOGS}/karen.log" &

echo "Starting backup monitor..."
echo
./scripts/backup/monitor &>> "${UMBREL_LOGS}/backup-monitor.log" &

echo "Starting decoy backup trigger..."
echo
./scripts/backup/decoy-trigger &>> "${UMBREL_LOGS}/backup-decoy-trigger.log" &

echo
echo "Starting Docker services..."
echo
docker-compose up --detach --build --remove-orphans
echo

echo
echo "Starting installed apps..."
echo
"${UMBREL_ROOT}/scripts/app" start installed
echo

echo "Umbrel is now accessible at"
echo "  http://${DEVICE_HOSTNAME}"
echo "  http://${DEVICE_IP}"
if [[ ! -z "${hidden_service_url:-}" ]]; then
    echo "  http://${hidden_service_url}"
fi