log

# Bash completion for log
# by Tony Williams, honestpuck@gmail.com
# version 0.1
# 29/07/2017

__logcomp_words_include() {
  local i=1
  while [[ "$i" -lt "$COMP_CWORD" ]]
  do
    if [[ "${COMP_WORDS[i]}" = "$1" ]]
    then
      return 0
    fi
    i="$((++i))"
  done
  return 1
}

__logcomp() {
  # break $1 on space, tab, and newline characters,
  # and turn it into a newline separated list of words
  local list s sep=$'\n' IFS=$' '$'\t'$'\n'
  local cur="${COMP_WORDS[COMP_CWORD]}"

  for s in $1
  do
    __logcomp_words_include "$s" && continue
    list="$list$s$sep"
  done

  IFS="$sep"
  COMPREPLY=($(compgen -W "$list" -- "$cur"))
}

_log_help() {
  return
}

_log_collect() {
  local cur="${COMP_WORDS[COMP_CWORD]}"
  case "$cur" in
    --*)
      __logcomp "--output --start --last --size"
      return
      ;;
  esac
}

_log_config() {
  local cur="${COMP_WORDS[COMP_CWORD]}"
  case "$cur" in
    --*)
      __logcomp "--reset --status --subsystem --category --process --mode"
      return
      ;;
  esac
}

_log_erase() {
  local cur="${COMP_WORDS[COMP_CWORD]}"
  case "$cur" in
    --*)
      __logcomp "--all --ttl"
      return
      ;;
  esac
}

_log_show() {
  local cur="${COMP_WORDS[COMP_CWORD]}"
  case "$cur" in
    --*)
      __logcomp "--archive --file --predicate --source --style --start --end --last\
        --timezone --info --debug"
      return
      ;;
  esac
}

_log_stream() {
  local cur="${COMP_WORDS[COMP_CWORD]}"
  case "$cur" in
    --*)
      __logcomp "--level --predicate --parent --process --style --source --timeout\
        --type "
      return
      ;;
  esac
}


_log() {
  local cur prev opts
  COMPREPLY=()
  cur="${COMP_WORDS[COMP_CWORD]}"
  prev="${COMP_WORDS[COMP_CWORD-1]}"

  if [[ "$COMP_CWORD" = "1" ]] # we are matching the command
  then
    opts="help version restore restoreexact server imagescan info"
    COMPREPLY=( $(compgen -W "${opts}" ${cur}) )
    return 0
  fi

  cmd="${COMP_WORDS[1]}"
    
  case "$cmd" in
	help) _log_help ;;
	collect) _log_collect ;;
	config) _log_config ;;
	erase) _log_erase ;;
	show) _log_show ;;
	stream) _log_stream ;;
  esac
}

complete -o bashdefault -o default -F _log log