#!/bin/bash

if ! options=$(getopt -o hd:aceu --long add,help,developer:,setup,start,init -- "$@") 
then 
  echo "entering container"
  docker exec -it frappe bash
fi

add=0
setup=0
d=0
start=0
init=0
dev=0
erp=0
mangr=0
site=0

function usage {
  echo "Usage: dbench [-had sitename | --init [-e] [sitename] | --setup [-d] | --start [-b] | -c \"<command to be executed on bench inside container>\"]"
  echo ''
  echo 'where:'
  echo '    -h    show this help text'
  echo '    -c command   send a command to bench in the container'
  echo '    -d sitename    enables developer mode for specified site'  
  echo '    -a    adds site-names to /etc/hosts file in the container to facilitate multisite access'
  echo '    --setup [-u]   builds docker containers, NOTE: assumes you have docker installed'
  echo '            -u    start up docker containers as well'
  echo '    --start [-b]   starts frappe docker'
  echo '            -b    starts bench as well'
  echo '    --init [-e] [sitename] initializes frappe-bench in docker and adds a site "sitename" (if not specified, it will default to site1.local)'
  echo '           -e  initializes frappe-bench and installs erpnext'
}

function frappe_installer {
  echo "starting frappe_docker setup"
  docker exec -i -u root frappe bash -c "cd /home/frappe && chown -R frappe:frappe ./*" 
  docker exec -it frappe bash -c "cd .. && bench init frappe-bench --ignore-exist --skip-redis-config-generation && cd frappe-bench"
  docker exec -it frappe bash -c "mv Procfile_docker Procfile && mv sites/common_site_config_docker.json sites/common_site_config.json"
  echo "frappe-bench folder setup"
  docker exec -it -u root frappe bash -c "apt-get install vim -y && apt-get install sudo -y && usermod -aG sudo frappe && printf '# User rules for frappe\nfrappe ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers.d/frappe"
  echo "adding $1"
  docker exec -it frappe bash -c "bench new-site $1"
  docker exec -i -u root frappe bash -c "echo 127.0.0.1   $1 >> /etc/hosts"
  sudo su -c 'echo 127.0.0.1   $1 >> /etc/hosts'
  echo "$1 added"
}

eval set -- "$options"
while true; do
  case "$1" in
    -h | --help)
      usage
      exit 0
      ;;
    -a | --add)
      add=1
      ;;
    -d | --developer)
      shift; # The arg is next in position args
      dev=1
      site=$1
      ;;
    -c)
      docker exec -it frappe bash -c "$optopt"
      ;;
    -u)
      d=1
      ;;
    --setup)
      setup=1
      ;;
    --init)
      init=1
      site="$optopt"
      ;;
    --)
      break
      ;;
    esac
    shift
done

if [ $setup == 1 ]; then
  docker-compose build
  if [ $d == 1 ]; then
    docker-compose -d
  else
    docker-compose
  fi
  exit 0
fi

if [ $init == 1 ]; then
  if ! $site; then
    site="site1.local"
  fi
  frappe_installer $site
fi