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function parse_yaml () {
   local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
   sed -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
        -e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p"  $1 |
   awk -F$fs '{
      indent = length($1)/2;
      vname[indent] = $2;
      for (i in vname) {if (i > indent) {delete vname[i]}}
      if (length($3) > 0) {
         vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("___")}
         printf("%s%s=\"%s\"\n", vn, $2, $3);
      }
   }'
   return 0
}

function fzf_add_header() {
  echo $1
  while read x; do
    echo $x
  done
}



function dcom() {
  local all="__ALL__"
  local args=("$@")
  local shifted=("${args[@]:1}")
  case "$1" in
    "")
      docker-compose
    ;;
    version | ps | up) docker-compose ${args[@]} ;;
    login)
      local selected=$(docker-compose ps | awk 'NR > 2 {print $1}' | fzf)
      if [[ "$selected" = "" ]]; then
        echo "container is not found..."
      else
        docker exec -it $selected /bin/bash
      fi
    ;;
    # rm )
    #   local selected=$(docker-compose ps | \
    #                    awk 'NR > 2 {print $1}' | \
    #                    fzf_add_header $all | fzf)
    #   if [[ "$selected" = "$all" ]]; then
    #     docker-compose ${args[@]}
    #   else
    #     docker-compose ${args[@]} $selected
    #   fi
    # ;;
    build | kill | start | stop | restart | scale | pause | unpause | logs | rm)
      local selected=$(parse_yaml docker-compose.yml | awk -F'___' '{print $1}' | uniq |\
                       fzf_add_header $all | fzf)
      if [[ "$selected" = "$all" ]]; then
        docker-compose ${args[@]}
      else
        docker-compose ${args[@]} $selected
      fi
    ;;
    *)
      local selected=$(docker-compose ps | awk 'NR > 2 {print $1}' | fzf)
      docker-compose ${args[@]} $selected
    ;;
  esac
}