#!/bin/bash

toolName=motioneye

# Supporting tools dependencies (ffmpeg and motion)
toolDeps="ffmpeg libmariadb3 libpq5 libmicrohttpd12"
# Motioneye dependencies
toolDeps+=" python-pip python-dev libssl-dev libcurl4-openssl-dev libjpeg-dev libz-dev"
toolCfgDir="/etc/motioneye"

SEQ_OSNAME=
SEQ_DISTNAME=

# Get script working directory
# (when called from a different directory)
WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
CONFIG=0
#CONFIG_FILE_NAME="${toolName}.cfg"
#CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"

seq_config() {
  ## e.g. to source a config file manually:
  #. "$CONFIG_FILE"
  ## or to use sequencer api:
  #initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
  #if [ $? -eq 0 ] ; then
  #  CONFIG=1
  #fi
  if [ "$(which lsb_release)" == "" ] ; then
    warning -e "Cannot detect OS. Assuming Ubuntu"
    SEQ_OSNAME="Ubuntu"
  else
    SEQ_OSNAME=$(lsb_release -is)
    SEQ_DISTNAME=$(lsb_release -cs)
  fi

  if [ "$SEQ_OSNAME" == "" ] ; then
    warning -e "Error dedecting OS. Assuming Ubuntu"
    SEQ_OSNAME="Ubuntu"
  fi

  info "Detected OS: $SEQ_OSNAME $SEQ_DISTNAME"
}

step_1_info() { echo "Install $toolName dependencies"; }
step_1_alias() { echo "install"; }
step_1() {
  local aptOption=

  local pyVersion=$(python -V 2>&1)
  if [[ ! "$pyVersion" =~ \ 2\.[7-9]+ ]] ; then
    error -e "Motioneye requires python version 2.7 but $pyVersion was found."
    return 1
  fi

  exe apt update
  endReturn "Updating apt repositories failed"

  if quiet ; then
    aptOption="-y"
  else
    aptOption=""
  fi

  exe apt install $toolDeps $aptOption
}

step_2_info() { echo "Download recommended motion version"; }
step_2() {
  local motionUrl=
  if [ "$SEQ_OSNAME" == "Raspbian" ]; then
    motionUrl="https://github.com/Motion-Project/motion/releases/download/release-4.2.2/pi_${SEQ_DISTNAME}_motion_4.2.2-1_armhf.deb"
  elif [ "$SEQ_OSNAME" == "Ubuntu" ]; then
    motionUrl="https://github.com/Motion-Project/motion/releases/download/release-4.2.2/${SEQ_DISTNAME}_motion_4.2.2-1_amd64.deb"
  fi

  if [ "$motionUrl" == "" ]; then
    warning "Unsupported OS"
    return 1
  fi

  exe wget -O "$motionDownload" $motionUrl
  endReturn "Download motion failed"
}
motionDownload="/tmp/motion.deb"

step_3_info() { echo "Install downloaded motion version"; }
step_3() {
  if [ ! -f "$motionDownload" ]; then
    info "No downloaded motion found attempting download"
    step 2
  fi

  exe dpkg -i "$motionDownload"
  endReturn "Installing motion failed"
}

step_4_info() { echo "Upgrade python pip"; }
step_4_alias() { echo "upgradepip"; }
step_4()
{
  exe pip install --upgrade pip
  endReturn "Upgrading pip failed"
}

step_5_info() { echo "Install $toolName"; }
step_5() {
  exe pip install motioneye
  endReturn "Installing $toolName failed"
}

step_6_info() { echo "Prepare configuration directory $toolCfgDir"; }
step_6() {
  exe mkdir -p /etc/motioneye
  saveReturn $?
  exe cp "$motioneyeConfigSource" "$motioneyeConfigTarget"
  saveReturn $?
  endReturn "Creating first configuration failed"
}
motioneyeConfigSource="/usr/local/share/motioneye/extra/motioneye.conf.sample"
motioneyeConfigTarget="/etc/motioneye/motioneye.conf"

step_7_info() { echo "Create media directory $motioneyeMediaDir"; }
step_7() {
  exe mkdir -p "$motioneyeMediaDir"
}
motioneyeMediaDir="/var/lib/motioneye"

step_8_info() { echo "Create $toolName service"; }
step_8() {
  exe cp "$motioneyeServiceSource" "$motioneyeServiceTarget"
  endReturn "Creating service failed"
  exe systemctl daemon-reload
  exe systemctl enable motioneye
  exe systemctl start motioneye
}
motioneyeServiceSource="/usr/local/share/motioneye/extra/motioneye.systemd-unit-local"
motioneyeServiceTarget="/etc/systemd/system/motioneye.service"

step_20_info() { echo "Upgrade $toolName"; }
step_20_alias() { echo "upgrade"; }
step_20() {
  step "upgradepip"
  exe pip install motioneye --upgrade
  endReturn "Upgrading $toolName failed"
  exe systemctl restart motioneye
}

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