#!/usr/bin/env bash

# bash strict mode
set -euo pipefail

# Setting healthcheck status to "starting"
echo 'starting' > /opt/scripts/.docker_config/.healthcheck

# Reading ENV
set +u
adminport=$IOB_ADMINPORT
avahi=$AVAHI
backitup=$IOB_BACKITUP_EXTDB
debug=$DEBUG
multihost=$IOB_MULTIHOST
offlinemode=$OFFLINE_MODE
objectsdbhost=$IOB_OBJECTSDB_HOST
objectsdbport=$IOB_OBJECTSDB_PORT
objectsdbtype=$IOB_OBJECTSDB_TYPE
packages=$PACKAGES
permissioncheck=$PERMISSION_CHECK
setgid=$SETGID
setuid=$SETUID
statesdbhost=$IOB_STATESDB_HOST
statesdbport=$IOB_STATESDB_PORT
statesdbtype=$IOB_STATESDB_TYPE
usbdevices=$USBDEVICES
zwave=$ZWAVE
set -u

pkill_timeout=10      # timeout for iobroker shutdown in seconds

# Stop on error function
stop_on_error() {
  if [[ "$debug" == "true" ]]; then 
    echo ' '
    echo "[DEBUG] Debug mode prevents the container from exiting on errors."
    echo "[DEBUG] This enables you to investigate or fix your issue on the command line."
    echo "[DEBUG] If you want to stop or restart your container you have to do it manually."
    echo "[DEBUG] IoBroker is not running!"
      tail -f /dev/null
  else
    echo ' '
    echo "This Script will exit now."
    exit 1
  fi
}

# Getting date and time for logging
dati=`date '+%Y-%m-%d %H:%M:%S'`

# Logging header
echo ' '
echo "$(printf -- '-%.0s' {1..80})"
echo -n "$(printf -- '-%.0s' {1..25})" && echo -n "     "$dati"      " && echo "$(printf -- '-%.0s' {1..25})"
echo "$(printf -- '-%.0s' {1..80})"
echo "-----                                                                      -----"
echo "----- ██╗  ██████╗  ██████╗  ██████╗   ██████╗  ██╗  ██╗ ███████╗ ██████╗  -----"
echo "----- ██║ ██╔═══██╗ ██╔══██╗ ██╔══██╗ ██╔═══██╗ ██║ ██╔╝ ██╔════╝ ██╔══██╗ -----"
echo "----- ██║ ██║   ██║ ██████╔╝ ██████╔╝ ██║   ██║ █████╔╝  █████╗   ██████╔╝ -----"
echo "----- ██║ ██║   ██║ ██╔══██╗ ██╔══██╗ ██║   ██║ ██╔═██╗  ██╔══╝   ██╔══██╗ -----"
echo "----- ██║ ╚██████╔╝ ██████╔╝ ██║  ██║ ╚██████╔╝ ██║  ██╗ ███████╗ ██║  ██║ -----"
echo "----- ╚═╝  ╚═════╝  ╚═════╝  ╚═╝  ╚═╝  ╚═════╝  ╚═╝  ╚═╝ ╚══════╝ ╚═╝  ╚═╝ -----"
echo "-----                                                                      -----"
echo "-----              Welcome to your ioBroker Docker container!              -----"
echo "-----                    Startupscript is now running!                     -----"
echo "-----                          Please be patient!                          -----"
echo "$(printf -- '-%.0s' {1..80})"
echo ' '
echo "$(printf -- '-%.0s' {1..80})"
echo "-----                          System Information                          -----"
echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" arch: $(uname -m))" && echo " -----"
echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" hostname: $(hostname))" && echo " -----"
echo "-----                                                                      -----"
echo "-----                          Version Information                         -----"
echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" image: ${VERSION})" && echo " -----"
echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" build: ${BUILD})" && echo " -----"
echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" node: $(node -v))" && echo " -----"
echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" npm: $(npm -v))" && echo " -----"
echo "-----                                                                      -----"
echo "-----                        Environment Variables                         -----"
if [[ "$adminport" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" IOB_ADMINPORT: $adminport)" && echo " -----"; fi
if [[ "$avahi" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" AVAHI: $avahi)" && echo " -----"; fi
if [[ "$debug" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" DEBUG: $debug)" && echo " -----"; fi
if [[ "$backitup" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" IOB_BACKITUP_EXTDB: $backitup)" && echo " -----"; fi
if [[ "$multihost" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" IOB_MULTIHOST: $multihost)" && echo " -----"; fi
if [[ "$objectsdbhost" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" IOB_OBJECTSDB_HOST: $objectsdbhost)" && echo " -----"; fi
if [[ "$objectsdbport" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" IOB_OBJECTSDB_PORT: $objectsdbport)" && echo " -----"; fi
if [[ "$objectsdbtype" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" IOB_OBJECTSDB_TYPE: $objectsdbtype)" && echo " -----"; fi
if [[ "$statesdbhost" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" IOB_STATESDB_HOST: $statesdbhost)" && echo " -----"; fi
if [[ "$statesdbport" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" IOB_STATESDB_PORT: $statesdbport)" && echo " -----"; fi
if [[ "$statesdbtype" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" IOB_STATESDB_TYPE: $statesdbtype)" && echo " -----"; fi
if [[ "$offlinemode" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" OFFLINE_MODE: $offlinemode)" && echo " -----"; fi
if [[ "$packages" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" PACKAGES: "$packages")" && echo " -----"; fi
if [[ "$permissioncheck" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" PERMISSION_CHECK: $permissioncheck)" && echo " -----"; fi
if [[ "$setgid" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" SETGID: $setgid)" && echo " -----"; fi
if [[ "$setuid" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" SETUID: $setuid)" && echo " -----"; fi
if [[ "$usbdevices" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" USBDEVICES: $usbdevices)" && echo " -----"; fi
if [[ "$zwave" != "" ]]; then echo -n "-----                    " && echo -n "$(printf "%-20s %-28s" ZWAVE: $zwave)" && echo " -----"; fi
echo "$(printf -- '-%.0s' {1..80})"
echo ' '

# Debug loggin notice
if [[ "$debug" == "true" ]]; then
  echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  echo "!!!!                            DEBUG LOG ACTIVE                            !!!!"
  echo "!!!!               Environment variable DEBUG is set to true.               !!!!"
  echo "!!!! This will extend the logging output and may slow down container start. !!!!"
  echo "!!!!          Please make sure to deactivate if no longer needed.           !!!!"
  echo "!!!!     For more information see ioBroker Docker image documentation:      !!!!"
  echo "!!!!           https://docs.buanet.de/iobroker-docker-image/docs/           !!!!"
  echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  echo ' '
fi

#####
# STEP 1 - Preparing container
#####
echo "$(printf -- '-%.0s' {1..80})"
echo "-----                  Step 1 of 5: Preparing container                   -----"
echo "$(printf -- '-%.0s' {1..80})"
echo ' '

# Actions running on first start only
if [[ -f /opt/.firstrun ]]; then
  # Updating Linux packages
  if [[ "$offlinemode" = "true" ]]; then
    echo "OFFLINE_MODE is \"true\". Skipping Linux package updates on first run."
    echo ' '
  else
    echo "Updating Linux packages on first run... "
      bash /opt/scripts/setup_packages.sh -update
    echo 'Done.'
    echo ' '
  fi
  # Installing packages from ENV
  if [[ "$packages" != "" && "$offlinemode" = "true" ]]; then
    echo "PACKAGES is set, but OFFLINE_MODE is \"true\". Skipping Linux package installation."
    echo ' '
  elif [[ "$packages" != "" ]]; then
    echo "PACKAGES is set. Installing additional Linux packages."
    echo "Checking the following packages:" $packages"... "
    echo $packages > /opt/scripts/.docker_config/.packages
      bash /opt/scripts/setup_packages.sh -install
    echo 'Done.'
    echo ' '
  fi
  # Register maintenance script
  echo -n 'Registering maintenance script as command... '
  echo "alias maintenance=\'/opt/scripts/maintenance.sh\'" >> /root/.bashrc
  echo "alias maint=\'/opt/scripts/maintenance.sh\'" >> /root/.bashrc
  echo "alias m=\'/opt/scripts/maintenance.sh\'" >> /root/.bashrc
  echo 'Done.'
  echo ' '
else
  echo "This is not the first run of this container. Skipping first run preparation."
  echo ' '
fi

# Setting UID and/ or GID
if [[ "$setgid" != "$(cat /etc/group | grep 'iobroker:' | cut -d':' -f3)" || "$setuid" != "$(cat /etc/passwd | grep 'iobroker:' | cut -d':' -f3)" ]]; then
  echo "SETUID and/ or SETGID are set to individual values."
  echo -n "Changing UID to "$setuid" and GID to "$setgid"... "
    usermod -u $setuid iobroker
    groupmod -og $setgid iobroker
  echo 'Done.'
  echo ' '
fi

# Change directory for next steps
cd /opt/iobroker

#####
# STEP 2 - Detecting ioBroker-Installation
#####
echo "$(printf -- '-%.0s' {1..80})"
echo "-----             Step 2 of 5: Detecting ioBroker installation             -----"
echo "$(printf -- '-%.0s' {1..80})"
echo ' '

if [[ `find /opt/iobroker -type f | wc -l` -lt 1 ]]; then
  echo "There is no data detected in /opt/iobroker."
  echo -n "Restoring initial ioBroker installation... "
    tar -xf /opt/initial_iobroker.tar -C /
  echo 'Done.'
elif [[ -f /opt/iobroker/iobroker ]]; then
  echo "Existing installation of ioBroker detected in \"/opt/iobroker\"."
elif [[ "$(ls *_backupiobroker.tar.gz 2> /dev/null | wc -l)" != "0" && "$(tar -ztvf /opt/iobroker/*_backupiobroker.tar.gz "backup/backup.json" 2> /dev/null | wc -l)" != "0" ]]; then
  if [[ "$multihost" = "slave" ]]; then
    echo "IoBroker backup file detected in /opt/iobroker. But Multihost is set to \"slave\"."
    echo "Restoring a backup is not supported on Multihost slaves. Please check configuration and start over."
    echo "For more information see ioBroker Docker Image Docs (https://docs.buanet.de/iobroker-docker-image/docs/)."
    exit 1
  else
    echo "IoBroker backup file detected in /opt/iobroker."
    if [[ "$debug" == "true" ]]; then echo "[DEBUG] Backup file name: " $(ls *_backupiobroker.tar.gz); fi
    echo -n "Preparing restore... "
      mv /opt/iobroker/*.tar.gz /opt/
      tar -xf /opt/initial_iobroker.tar -C /
      mkdir /opt/iobroker/backups
      mv /opt/*.tar.gz /opt/iobroker/backups/
      # fixing permission errors during restore
      chown -R $setuid:$setgid /opt/iobroker
    echo 'Done.'
    echo -n "Restoring ioBroker... "
      bash iobroker restore 0 > /opt/iobroker/log/restore.log 2>&1
    echo 'Done.'
    echo ' '
    echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
    echo "!!!!                             IMPORTANT NOTE                             !!!!"
    echo "!!!!        The startup script restored iobroker from a backup file.        !!!!"
    echo "!!!! Check /opt/iobroker/log/restore.log to see if restore was successful.  !!!!"
    echo "!!!! When ioBroker now starts it will reinstall all Adapters automatically. !!!!"
    echo "!!!!         This might be take a looooong time! Please be patient!         !!!!"
    echo "!!!!  You can view installation process by taking a look at ioBroker log.   !!!!"
    echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
  fi
else
  echo "There is data detected in /opt/iobroker but it looks like it is no instance of ioBroker or a valid backup file!"
  echo "Please check/ recreate mounted folder or volume and start over."
  if [[ "$debug" == "true" ]]; then
    echo "[DEBUG] Detected files:"
    ls -al
  fi
  exit 1
fi
echo ' '

#####
# STEP 3 - Checking ioBroker-Installation
#####
echo "$(printf -- '-%.0s' {1..80})"
echo "-----             Step 3 of 5: Checking ioBroker installation              -----"
echo "$(printf -- '-%.0s' {1..80})"
echo ' '

# (Re)Setting permissions to "/opt/iobroker" and "/opt/scripts"
if [[ "$permissioncheck" == "false" ]]; then
  echo "PERMISSION_CHECK is set to false. Use this at your own risk!"
  echo ' '
else
  echo -n "(Re)setting permissions (This might take a while! Please be patient!)... "
    chown -R $setuid:$setgid /opt/iobroker
    chown -R $setuid:$setgid /opt/scripts
  echo 'Done.'
  echo ' '
fi

# Backing up original iobroker-file and changing sudo to gosu
echo -n "Fixing \"sudo-bug\" by replacing sudo with gosu... "
  cp -a /opt/iobroker/iobroker /opt/iobroker/iobroker.bak
  chmod 755 /opt/iobroker/iobroker
  sed -i 's/sudo -H -u/gosu/g' /opt/iobroker/iobroker
echo 'Done.'
echo ' '

# hostname check
if [[ "$multihost" == "slave" ]]; then
  echo "IOB_MULTIHOST ist set to \"slave\". Hostname check will be skipped."
  echo ' '
else
  # get admin instance and hostname
  set +e
  admininstance=$(bash iobroker list instances | grep 'enabled' | grep -m 1 -o 'system.adapter.admin..')
  set -e
  if [[ "$admininstance" != "" ]]; then
    if [[ "$debug" == "true" ]]; then echo "[DEBUG] Detected admin instance is:" $admininstance; fi 
    adminhostname=$(bash iobroker object get $admininstance --pretty | grep -oP '(?<="host": ")[^"]*')
    if [[ "$debug" == "true" ]]; then echo "[DEBUG] Detected admin hostname is:" $adminhostname; fi
  else
    echo "There was a problem detecting the admin instance of your iobroker."
    echo "Make sure the ioBroker installation you use has an admin instance or start over with a fresh installation and restore your configuration."
    echo "For more details see https://docs.buanet.de/iobroker-docker-image/docs/#restore"
    stop_on_error
  fi
  # check hostname
  if [[ "$adminhostname" != "" && "$adminhostname" != "$(hostname)" ]]; then
    echo "Hostname in ioBroker does not match the hostname of this container."
    echo -n "Updating hostname to "$(hostname)"... "
      bash iobroker host $adminhostname
    echo 'Done.'
    echo ' '
  elif [[ "$adminhostname" = "$(hostname)" ]]; then
    echo "Hostname in ioBroker matches the hostname of this container."
    echo "No action required."
    echo ' '
  else
    echo "There was a problem checking the hostname."
    stop_on_error
  fi
fi

# extended debug output
if [[ "$debug" == "true" && "$multihost" != "slave" ]]; then
  echo "[DEBUG] Collecting some more ioBroker debug information... "
  echo ' '
  # get information and send to array
  IFS=$'\n'
  instances_array=($(iob list instances))
  repos_array=($(iob repo list))
  updates_array=($(iob update))
  # list iob instances
  echo "[DEBUG] ##### iobroker list instances #####"
    for i in ${instances_array[@]}
    do
      echo "[DEBUG]" $i
    done
  echo ' '
  echo "[DEBUG] ##### iobroker repo list #####"
    for i in ${repos_array[@]}
    do
      echo "[DEBUG]" $i
    done
  echo ' '
  echo "[DEBUG] ##### iobroker update #####"
    for i in ${updates_array[@]}
    do
      echo "[DEBUG]" $i
    done
  echo ' '
  unset IFS
fi

#####
# STEP 4 - Setting up special sessting for ioBroker-adapters
#####
echo "$(printf -- '-%.0s' {1..80})"
echo "-----                Step 4 of 5: Applying special settings                -----"
echo "$(printf -- '-%.0s' {1..80})"
echo ' '

echo "Some adapters have special requirements/ settings which can be activated by the use of environment variables."
echo "For more information see ioBroker Docker Image Docs (https://docs.buanet.de/iobroker-docker-image/docs/)."
echo ' '

# Checking ENV for Adminport
if [[ "$adminport" != "" && "$multihost" != "slave" ]]; then
  adminportold=$(bash iobroker object get $admininstance --pretty | grep -oP '(?<="port": )[^,]*')
  admininstanceshort=$(echo $admininstance | grep -m 1 -o 'admin..')
  if [[ "$adminport" != "$adminportold" ]]; then
    echo "IOB_ADMINPORT is set and does not match port configured in ioBroker."
    if [[ "$debug" == "true" ]]; then echo "[DEBUG] Detected Admin Port in ioBroker: " $adminportold; fi
    echo "Setting Adminport to \""$adminport"\"... "
      bash iobroker set $admininstanceshort --port $adminport
    echo 'Done.'
    echo ' '
  fi
fi

# Checking ENV for Backitup (external database backups)
if [[ "$backitup" == "true" ]]; then
  echo -n "IOB_BACKITUP_EXTDB is \"true\". Unlocking features... "
  echo 'true' > /opt/scripts/.docker_config/.backitup
  echo 'Done.'
  echo ' '
fi

# Checking ENV for AVAHI
if [[ "$avahi" = "true" && "$offlinemode" = "true" ]]; then
  echo "AVAHI is \"true\", but OFFLINE_MODE is also \"true\". Skipping Avahi daemon setup."
elif [[ "$avahi" = "true" ]]; then
  echo "AVAHI is \"true\". Running setup script... "
    chmod 755 /opt/scripts/setup_avahi.sh
    bash /opt/scripts/setup_avahi.sh
  echo 'Done.'
  echo ' '
fi

# Checking ENV for Z-WAVE
if [[ "$zwave" = "true" && "$offlinemode" = "true" ]]; then
  echo "ZWAVE is \"true\", but OFFLINE_MODE is also \"true\". Skipping Z-Wave setup."
elif [[ "$zwave" = "true" ]]; then
  echo "ZWAVE is \"true\". Running setup script... "
    chmod 755 /opt/scripts/setup_zwave.sh
    bash /opt/scripts/setup_zwave.sh
  echo 'Done.'    
  echo ' '
fi

# checking ENV for USBDEVICES
if [[ "$usbdevices" != "" && "$usbdevices" != "none" ]]; then
  echo "USBDEVICES is set."
  IFS=';' read -ra devicearray <<< "$usbdevices"
    for i in "${devicearray[@]}"
    do
      if [[ -f $i ]]; then
        echo -n "Setting permissions for "$i"... "
        chown root:dialout $i
        chmod g+rw $i
        echo 'Done.'
        if [[ "$debug" == "true" ]]; then echo "[DEBUG] Permissions set to: " $(ls -al $i); fi
      else
        echo "Looks like the device \""$i"\" does not exist."
        echo "Did you mount it correctly by using the \"--device\" flag?"
        echo "For more information see ioBroker Docker Image Docs (https://docs.buanet.de/iobroker-docker-image/docs/#mounting-usb-devices)."
        stop_on_error
      fi
    done
  echo ' '
fi

# Checking ENV for multihost setup
if [[ "$multihost" != "" ]]; then
  echo "Checking for multihost settings... "
  # Configuring objects db host
  if [[ "$multihost" = "master" && "$objectsdbtype" = "" && "$objectsdbhost" = "" && "$objectsdbport" = "" ]]; then
    echo "IOB_MULTIHOST is set to \"master\" and no external objects db is set."
    echo -n "Setting host of objects db to \"0.0.0.0\" to allow external connections... "
      jq --arg objectsdbhost "0.0.0.0" '.objects.host = $objectsdbhost' /opt/iobroker/iobroker-data/iobroker.json > /opt/iobroker/iobroker-data/iobroker.json.tmp && mv /opt/iobroker/iobroker-data/iobroker.json.tmp /opt/iobroker/iobroker-data/iobroker.json
      chown -R $setuid:$setgid /opt/iobroker/iobroker-data/iobroker.json && chmod 674 /opt/iobroker/iobroker-data/iobroker.json
    echo 'Done.'
  elif [[ "$multihost" = "master" && "$objectsdbhost" = "127.0.0.1" ]]; then
    echo "IOB_MULTIHOST is set to \"master\", but IOB_OBJECTSDB_HOST is set to \"127.0.0.1\"."
    echo "This configuration will not allow slaves to connect to objects db! Please change or remove \"IOB_OBJECTSDB_HOST\" and start over!"
    echo "For more information see ioBroker Docker Image Docs (https://docs.buanet.de/iobroker-docker-image/docs/)."
    exit 1
  elif [[ "$multihost" = "master" && "$objectsdbtype" != "" && "$objectsdbhost" != "" && "$objectsdbport" != "" ]]; then
    echo "IOB_MULTIHOST is set to \"master\" and external objects db is set."
  elif ([[ "$multihost" = "slave" && "$objectsdbtype" = "" ]]) || ([[ "$multihost" = "slave" && "$objectsdbhost" = "" ]]) || ([[ "$multihost" = "slave" && "$objectsdbport" = "" ]]); then
    echo "IOB_MULTIHOST is set to \"slave\", but no external objects db is set."
    echo "You have to configure ENVs \"IOB_OBJECTSDB_TYPE\", \"IOB_OBJECTSDB_HOST\" and \"IOB_OBJECTSDB_PORT\" to connect to a master objects db."
    echo "Please check your settings and start over!"
    echo "For more information see ioBroker Docker Image Docs (https://docs.buanet.de/iobroker-docker-image/docs/)."
    exit 1
  elif [[ "$multihost" = "slave" && "$objectsdbtype" != "" && "$objectsdbhost" != "" && "$objectsdbport" != "" ]]; then
    echo "IOB_MULTIHOST is set to \"slave\" and external objects db is set."
  elif [[ "$multihost" != "" ]]; then
    echo "IOB_MULTIHOST is set, but it seems like some configuration is missing."
    echo "Please checke if you have configured the ENVs \"MULTIHOST\", \"IOB_OBJECTSDB_TYPE\", \"IOB_OBJECTSDB_HOST\" and \"IOB_OBJECTSDB_PORT\" correctly and start over."
    echo "For more information see ioBroker Docker Image Docs (https://docs.buanet.de/iobroker-docker-image/docs/)."
    exit 1
  fi
   # Configuring states db host
  if [[ "$multihost" = "master" && "$statesdbtype" = "" && "$statesdbhost" = "" && "$statesdbport" = "" ]]; then
    echo "IOB_MULTIHOST is set to \"master\" and no external states db is set."
    echo -n "Setting host of states db to \"0.0.0.0\" to allow external connections... "
      jq --arg statesdbhost "0.0.0.0" '.states.host = $statesdbhost' /opt/iobroker/iobroker-data/iobroker.json > /opt/iobroker/iobroker-data/iobroker.json.tmp && mv /opt/iobroker/iobroker-data/iobroker.json.tmp /opt/iobroker/iobroker-data/iobroker.json
      chown -R $setuid:$setgid /opt/iobroker/iobroker-data/iobroker.json && chmod 674 /opt/iobroker/iobroker-data/iobroker.json
    echo 'Done.'
  elif [[ "$multihost" = "master" && "$statesdbhost" = "127.0.0.1" ]]; then
    echo "IOB_MULTIHOST is set to \"master\", but states db host is set to \"127.0.0.1\"."
    echo "This configuration will not allow slaves to connect to objects db! Please change or remove \"IOB_STATESDB_HOST\" and start over!"
    echo "For more information see ioBroker Docker Image Docs (https://docs.buanet.de/iobroker-docker-image/docs/)."
    exit 1
  elif [[ "$multihost" = "master" && "$statesdbtype" != "" && "$statesdbhost" != "" && "$statesdbport" != "" ]]; then
    echo "IOB_MULTIHOST is set to \"master\" and external states db is set."
  elif ([[ "$multihost" = "slave" && "$statesdbtype" = "" ]]) || ([[ "$multihost" = "slave" && "$statesdbhost" = "" ]]) || ([[ "$multihost" = "slave" && "$statesdbport" = "" ]]); then
    echo "IOB_MULTIHOST is set to \"slave\", but no external states db is set."
    echo "You have to configure ENVs \"IOB_STATESDB_TYPE\", \"IOB_STATESDB_HOST\" and \"IOB_STATESDB_PORT\" to connect to a maser states db."
    echo "Please check your settings and start over!"
    echo "For more information see ioBroker Docker Image Docs (https://docs.buanet.de/iobroker-docker-image/docs/)."
    exit 1
  elif [[ "$multihost" = "slave" && "$statesdbtype" != "" && "$statesdbhost" != "" && "$statesdbport" != "" ]]; then
    echo "IOB_MULTIHOST is set to \"slave\" and external states db is set."
  elif [[ "$multihost" != "" ]]; then
    echo "IOB_MULTIHOST is set, but it seems like some configuration is missing."
    echo "Please checke if you have configured the ENVs \"MULTIHOST\", \"IOB_STATESDB_TYPE\", \"IOB_STATESDB_HOST\" and \"IOB_STATESTDB_PORT\" correctly and start over."
    echo "For more information see ioBroker Docker image Docs (https://docs.buanet.de/iobroker-docker-image/docs/)."
    exit 1
  fi
  echo 'Done.'
  echo ' '
fi

# Checking ENVs for custom setup of objects db
if [[ "$objectsdbtype" != "" || "$objectsdbhost" != "" || "$objectsdbport" != "" ]]; then
  echo "Checking for custom objects db settings ... "
  if [[ "$objectsdbtype" != "$(jq -r '.objects.type' /opt/iobroker/iobroker-data/iobroker.json)" ]]; then
    echo "IOB_OBJECTSDB_TYPE is set and value is different from detected ioBroker installation."
    echo -n "Setting type of objects db to \""$objectsdbtype"\"... "
      jq --arg objectsdbtype "$objectsdbtype" '.objects.type = $objectsdbtype' /opt/iobroker/iobroker-data/iobroker.json > /opt/iobroker/iobroker-data/iobroker.json.tmp && mv /opt/iobroker/iobroker-data/iobroker.json.tmp /opt/iobroker/iobroker-data/iobroker.json
      chown -R $setuid:$setgid /opt/iobroker/iobroker-data/iobroker.json && chmod 674 /opt/iobroker/iobroker-data/iobroker.json
    echo 'Done.'
  else
    echo "IOB_OBJECTSDB_TYPE is set and value meets detected ioBroker installation."
  fi
  if [[ "$objectsdbhost" != "$(jq -r '.objects.host' /opt/iobroker/iobroker-data/iobroker.json)" ]]; then
    echo "IOB_OBJECTSDB_HOST is set and value is different from detected ioBroker installation."
    echo -n "Setting host of objects db to \""$objectsdbhost"\"... "
      jq --arg objectsdbhost "$objectsdbhost" '.objects.host = $objectsdbhost' /opt/iobroker/iobroker-data/iobroker.json > /opt/iobroker/iobroker-data/iobroker.json.tmp && mv /opt/iobroker/iobroker-data/iobroker.json.tmp /opt/iobroker/iobroker-data/iobroker.json
      chown -R $setuid:$setgid /opt/iobroker/iobroker-data/iobroker.json && chmod 674 /opt/iobroker/iobroker-data/iobroker.json
    echo 'Done.'
  else
    echo "IOB_OBJECTSDB_HOST is set and value meets detected ioBroker installation."
  fi
  if [[ "$objectsdbport" != "$(jq -r '.objects.port' /opt/iobroker/iobroker-data/iobroker.json)" ]]; then
    echo "IOB_OBJECTSDB_PORT is set and value is different from detected ioBroker installation."
    echo -n "Setting port of objects db to \""$objectsdbport"\"... "
      jq --arg objectsdbport $objectsdbport '.objects.port = $objectsdbport' /opt/iobroker/iobroker-data/iobroker.json > /opt/iobroker/iobroker-data/iobroker.json.tmp && mv /opt/iobroker/iobroker-data/iobroker.json.tmp /opt/iobroker/iobroker-data/iobroker.json
      chown -R $setuid:$setgid /opt/iobroker/iobroker-data/iobroker.json && chmod 674 /opt/iobroker/iobroker-data/iobroker.json
    echo 'Done.'
  else
    echo "IOB_OBJECTSDB_PORT is set and value meets detected ioBroker installation."
  fi
  echo 'Done.'
  echo ' '
fi

# Checking ENVs for custom setup of states db
if [[ "$statesdbtype" != "" || "$statesdbhost" != "" || "$statesdbport" != "" ]]; then
  echo "Checking for custom states db settings... "
  if [[ "$statesdbtype" != "$(jq -r '.states.type' /opt/iobroker/iobroker-data/iobroker.json)" ]]; then
    echo "IOB_STATESDB_TYPE is set and value is different from detected ioBroker installation."
    echo -n "Setting type of states db to \""$statesdbtype"\"... "
      jq --arg statesdbtype "$statesdbtype" '.states.type = $statesdbtype' /opt/iobroker/iobroker-data/iobroker.json > /opt/iobroker/iobroker-data/iobroker.json.tmp && mv /opt/iobroker/iobroker-data/iobroker.json.tmp /opt/iobroker/iobroker-data/iobroker.json
      chown -R $setuid:$setgid /opt/iobroker/iobroker-data/iobroker.json && chmod 674 /opt/iobroker/iobroker-data/iobroker.json
    echo 'Done.'
  else
    echo "IOB_STATESDB_TYPE is set and value meets detected ioBroker installation."
  fi
  if [[ "$statesdbhost" != "$(jq -r '.states.host' /opt/iobroker/iobroker-data/iobroker.json)" ]]; then
    echo "IOB_STATESDB_HOST is set and value is different from detected ioBroker installation."
    echo -n "Setting host of states db to \""$statesdbhost"\"... "
      jq --arg statesdbhost "$statesdbhost" '.states.host = $statesdbhost' /opt/iobroker/iobroker-data/iobroker.json > /opt/iobroker/iobroker-data/iobroker.json.tmp && mv /opt/iobroker/iobroker-data/iobroker.json.tmp /opt/iobroker/iobroker-data/iobroker.json
      chown -R $setuid:$setgid /opt/iobroker/iobroker-data/iobroker.json && chmod 674 /opt/iobroker/iobroker-data/iobroker.json
    echo 'Done.'
  else
    echo "IOB_STATESDB_HOST is set and value meets detected ioBroker installation."
  fi
  if [[ "$statesdbport" != "$(jq -r '.states.port' /opt/iobroker/iobroker-data/iobroker.json)" ]]; then
    echo "IOB_STATESDB_PORT is set and value is different from detected ioBroker installation."
    echo -n "Setting port of states db to \""$statesdbport"\"... "
      jq --arg statesdbport $statesdbport '.states.port = $statesdbport' /opt/iobroker/iobroker-data/iobroker.json > /opt/iobroker/iobroker-data/iobroker.json.tmp && mv /opt/iobroker/iobroker-data/iobroker.json.tmp /opt/iobroker/iobroker-data/iobroker.json
      chown -R $setuid:$setgid /opt/iobroker/iobroker-data/iobroker.json && chmod 674 /opt/iobroker/iobroker-data/iobroker.json
    echo 'Done.'
  else
    echo "IOB_STATESDB_PORT is set and value meets detected ioBroker installation."
  fi
  echo 'Done.'
  echo ' '
fi

# Checking for Userscripts in /opt/userscripts
if [[ `find /opt/userscripts -type f | wc -l` -lt 1 ]]; then
  echo -n "There is no data detected in /opt/userscripts. Restoring exapmple userscripts... "
    tar -xf /opt/initial_userscripts.tar -C /
    chmod 755 /opt/userscripts/userscript_firststart_example.sh
    chmod 755 /opt/userscripts/userscript_everystart_example.sh
  echo 'Done.'
  echo ' '
elif [[ -f /opt/userscripts/userscript_firststart.sh || -f /opt/userscripts/userscript_everystart.sh ]]; then
  if [[ -f /opt/userscripts/userscript_firststart.sh && -f /opt/.firstrun ]]; then
    echo "Userscript for first start detected and this is the first start of a new container."
    echo "Running userscript_firststart.sh... "
      chmod 755 /opt/userscripts/userscript_firststart.sh
      bash /opt/userscripts/userscript_firststart.sh
    echo 'Done.'
    echo ' '
  fi
  if [[ -f /opt/userscripts/userscript_everystart.sh ]]; then
    echo "Userscript for every start detected. Running userscript_everystart.sh... "
      chmod 755 /opt/userscripts/userscript_everystart.sh
      bash /opt/userscripts/userscript_everystart.sh
    echo 'Done.'
    echo ' '
  fi
fi

# Removing first run marker when exists
if [[ -f /opt/.firstrun ]]; then
  rm -f /opt/.firstrun
fi

#####
# STEP 5 - Starting ioBroker
#####
echo "$(printf -- '-%.0s' {1..80})"
echo "-----                    Step 5 of 5: ioBroker startup                     -----"
echo "$(printf -- '-%.0s' {1..80})"
echo ' '
echo "Starting ioBroker... "
echo ' '
echo "##### #### ### ## # iobroker.js-controller log output # ## ### #### #####"

# Setting healthcheck status to "running"
echo "running" > /opt/scripts/.docker_config/.healthcheck

# Function for graceful shutdown by SIGTERM signal
shut_down() {
  echo ' '
  echo "Recived termination signal (SIGTERM)."
  echo "Shutting down ioBroker... "

  local status timeout

  timeout="$(date --date="now + $pkill_timeout sec" +%s)"
  pkill -u iobroker -f iobroker.js-controller
  status=$?
  if (( status >= 2 )); then      # syntax error or fatal error
    return 1
  fi

  if (( status == 1 )); then      # no processes matched
    return
  fi

  # pgrep exits with status 1 when there are no matches
  while pgrep -u iobroker > /dev/null; (( $? != 1 )); do
    if (($(date +%s) > timeout)); then
      echo -e '\nTimeout reached. Killing remaining processes... '
      pkill --signal SIGKILL -u iobroker
      echo 'Done. Have a nice day!'
      exit
    fi

    echo -n '.'
    sleep 1
  done

  echo -e '\nDone. Have a nice day!'
  exit
}

# Trap to get signal for graceful shutdown
trap 'shut_down' SIGTERM

# IoBroker start
gosu iobroker node node_modules/iobroker.js-controller/controller.js & wait

# Fallback process for keeping container running when ioBroker is stopped for maintenance (e.g. js-controller update)
tail -f /dev/null