#!/usr/bin/env bash
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x

cmd-ps-help() {
  declare desc="help command"
  declare CMD="$1"
  local plugin_name="ps"
  local plugin_description="Manage container processes"

  if [[ "$CMD" == "$plugin_name:help" ]]; then
    echo -e "Usage: dokku $plugin_name[:COMMAND]"
    echo ''
    echo "$plugin_description"
    echo ''
    echo 'Additional commands:'
    fn-help-content | sort | column -c2 -t -s,
  elif [[ $(ps -o command= $PPID) == *"--all"* ]]; then
    fn-help-content
  else
    cat <<help_desc
    $plugin_name, $plugin_description
help_desc
  fi
}

fn-help-content() {
  declare desc="return help content"
  cat <<help_content
    ps <app>, List processes running in app container(s)
    ps:inspect <app>, Displays a sanitized version of docker inspect for an app
    ps:scale <app> <proc>=<count> [<proc>=<count>...], Get/Set how many instances of a given process to run
    ps:start <app>, Start app container(s)
    ps:startall, Starts all apps via command line
    ps:stop <app>, Stop app container(s)
    ps:stopall, Stop all app container(s)
    ps:rebuild <app>, Rebuild an app from source
    ps:rebuildall, Rebuild all apps from source
    ps:report [<app>] [<flag>], Displays a process report for one or more apps
    ps:restart <app>, Restart app container(s)
    ps:restartall, Restart all deployed app containers
    ps:restore, Start previously running apps e.g. after reboot
    ps:restart-policy <app>, Shows the restart-policy for an app
    ps:set-restart-policy <app> <policy>, Sets app restart-policy
help_content
}