#!/usr/bin/env bash

readonly toolName=motioneye
readonly sq_meUrl='https://github.com/motioneye-project/motioneye/archive/dev.tar.gz'

# Already defined by sequencer.sh, but may be overwritten
#readonly seq_configName="${sq_scriptName}.cfg"
#readonly seq_configTemplate="${seq_origin}/${sq_configName}.example"

sq_aptOpt=
sq_config=0

seq_config() {
  ## Called once before executing steps.
  ## e.g. to source a config file manually:
  #. "${seq_origin}/${seq_configName}"

  ## or to use sequencer api with profile config file support:
  #if initSeqConfig -p "${seq_fileName}" "${seq_configTemplate}" ; then

  ## or to use sequencer api with global config file:
  #if initSeqConfig "${seq_configName}" "${seq_configTemplate}" ; then
  #  sq_config=1
  #else
  #  # End if no configuration file exists
  #  dry || return -1
  #fi

  dry || root || fatal "Needs to be root"
  # Since RasperryPi OS bullseye motion is provided with expected version 4.3.2-1
  lsb_release -c | grep bullseye >/dev/null 2>&1 || fatal "Only debian bullseye supported to install motion directly"

  ## Apt cmdline option to suppress user interaction
  interactive || sq_aptOpt="-y"

  ## Disable error checks if external scripts are used
  ## e.g. error on unbound variables
  #disableErrorCheck

  ## Return of non zero value will abort the sequence
  return 0
}

step_1_info() { echo "Show status"; }
step_1_alias() { echo "status"; }
step_1() {
  info "Status of $toolName .."
  exe service motioneye status
}

step_20_info() { echo "Install motioneye dependencies"; }
step_20_alias() { echo "install"; }
step_20() {
  exe apt update
  exe apt --no-install-recommends install ca-certificates curl python3 python3-dev python3-pip python3-venv libcurl4-openssl-dev gcc libssl-dev ${sq_aptOpt}
  exep DEBIAN_FRONTEND="noninteractive" apt-get -y --no-install-recommends install motion v4l-utils ffmpeg curl
  info    "Disable motion service"
  info -a "(Will be started by motioneye)"
  exe systemctl disable --now motion
}

step_21_info() { echo "Create virtual environment"; }
step_21() {
  [[ -d "${sc_meVenvHome}" ]] && fatal "$tooName already installed"

  exe python3 -m venv "${sc_meVenvHome}"
}
sc_meVenvHome="/opt/motioneye"
sc_mePip="${sc_meVenvHome}/bin/pip"

step_22_info() { echo "Install $toolName in venv"; }
step_22() {
  exe "${sc_mePip}" install "${sq_meUrl}"
}

step_23_info() { echo "Setup $toolName service and config"; }
step_23() {
  local lMeConfDir="$(dirname -- "${sc_meConfigFile}")"
  if [[ ! -d "${lMeConfDir}" ]] ; then
    exe mkdir -p "${lMeConfDir}"
    addConf -s -f "${sc_meConfigExample}" "${sc_meConfigFile}"
    exe chown -R motion: "${lMeConfDir}"
  fi
  addConf -s "${sc_meSystemd}" "${sc_meServiceFile}"
  exe systemctl daemon-reload
  exe systemctl enable --now motioneye
}
sc_meConfigFile="/etc/motioneye/motioneye.conf"
sc_meConfigExample="${sc_meVenvHome}/lib/python3.9/site-packages/motioneye/extra/motioneye.conf.sample"
sc_meServiceFile="/etc/systemd/system/motioneye.service"

sc_meSystemd="[Unit]
Description=motionEye Server
After=network.target local-fs.target remote-fs.target

[Service]
User=motion
RuntimeDirectory=motioneye
LogsDirectory=motioneye
StateDirectory=motioneye
ExecStart=${sc_meVenvHome}/bin/meyectl startserver -c /etc/motioneye/motioneye.conf
Restart=on-abort

[Install]
WantedBy=multi-user.target"

step_25_info() { echo "Upgrade $toolName"; }
step_25_alias() { echo "upgrade"; }
step_25() {
  exe service motioneye stop
  exe "${sc_mePip}" install --upgrade --force-reinstall --no-deps "${sq_meUrl}"
  exe service motioneye start
}

readonly sqr_minVersion=16
. /usr/local/bin/sequencer.sh