#!/bin/bash
toolName="pyload"
toolBranch="stable"
toolDownload="https://github.com/pyload/pyload.git"
toolDeps="git liblept5 python python-crypto python-pycurl python-imaging python-sleekxmpp tesseract-ocr zip unzip python-openssl libmozjs-24-bin"
# python-cryptography shall be implemented in future releases and replace pyhton-crypto
toolDepsDebian="sudo git python-crypto python-pycurl python-pil python-sleekxmpp tesseract-ocr zip unzip pyhton-openssl libmozjs-60-dev"
toolBuildDeps="rar unrar-nonfree"

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

seq_config() {
  initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
  if [ $? -eq 0 ] ; then
    CONFIG=1
  else
    # End if no configuration file exists
    dry || return 1
  fi
  quiet && APTOPT="-y"
  return 0
}

step_1_info() { echo "Apt sources.list check and update"; }
step_1_alias() { echo "install"; }
step_1() {
  echo "Make sure you have the \"deb-src\" entry active in your /etc/apt/sources.list"
  echo "Especially check for \"non-free\""
  exe read -p "Press Enter to continue: "
  exe vi /etc/apt/sources.list
  exe apt update
}

step_2_info() { echo "Install unrar-nonfree from source"; }
step_2() {
  exe apt-get build-dep ${toolBuildDeps} $APTOPT
  exe cd /tmp
  exe apt-get source -b unrar-nonfree
  saveReturn $?
  endReturn
  exe dpkg -i unrar_*_armhf.deb
  exe rm -rf unrar-*
}

step_3_info() { 
  echo "Install dependencies"
  echoinfo "  [TARGET] (default: raspi)"
  echoinfo "     raspi: Raspberry Pi OS"
  echoinfo "    debian: Debian"
}
step_3_options() { echo "[TARGET]"; }
step_3_alias() { echo "deps"; }
step_3() {
  shift
  local lDeps="$toolDeps"
  case "${1:-}" in 
    debian)
      lDeps="$toolDepsDebian";;
    raspi);;
    *)
      error -e "Unrecognized target"
      return 1;;
  esac
  exe apt-get install ${lDeps} $APTOPT
  saveReturn $?
  endReturn
  case "${1:-}" in
    raspi)
      exe cd /usr/bin
      exe ln -s js24 js;;
    debian)
      exe cd /usr/bin
      exe ln -s js60 js;;
  esac
}

step_4_info() { echo "Get $toolName from $toolDownload and create dedicated user"; }
step_4() {
  exe git clone -b $toolBranch $toolDownload "$PYL_INSTALL_DIR"
  endReturn -o $? "Git clone failed"
  exe adduser --system --home "$PYL_CONFIG_DIR" "$PYL_USER"
}

step_5_info() { echo "Make initial configuration"; }
step_5() {
  echo "Webinterface server \"threaded\" is recommended on a raspberry pi."
  exe read -p "Press Enter to continue: "
  exe cd "$PYL_INSTALL_DIR"
  exe sudo -u $PYL_USER python pyLoadCore.py
}

step_6_info() { echo "Create systemd service"; }
step_6() {
  local lService=`eval "echo \"$toolService\""`
  addConf -c "$lService" "$toolServiceLoc"
}
toolServiceLoc="/etc/systemd/system/pyload.service"
toolService="[Unit]
Description=Python Downloader
After=network.target

[Service]
User=pyload
ExecStart=/usr/bin/python \${PYL_INSTALL_DIR}/pyLoadCore.py

[Install]
WantedBy=multi-user.target"

step_7_info() { echo "Add ufw rules"; }
step_7_alias() { echo "ufw"; }
step_7() {
  info "Port 9666 needs to be forwarded to the target machine with ssh"
  info "     ssh -L 9666:localhost:9666 user@host -N"
  exe ufw allow in on eth0 to any port 8000 proto tcp comment "pyload webinterface"
  exe ufw allow in on eth0 to any port 7227 proto tcp comment "pyload remotes"
  exe ufw allow out on eth0 to 192.168.23.20 port 5222 proto tcp comment "XMPP Connection"
}

step_10_info() { echo "Upgrade to latest version of branch $toolBranch"; }
step_10_alias() { echo "upgrade"; }
step_10() {
  exe service $toolName stop
  exe cd "$PYL_INSTALL_DIR"
  exe git pull
  echo " [I] Service is not started automatically"
  echo "     Do so manually with: service $toolName start"
}

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