#! /usr/bin/env bash
set -e
[ -n "$TMUXIFIER_DEBUG" ] && set -x

# Load internal utility functions.
source "$TMUXIFIER/lib/util.sh"

# Provide tmuxifier help
if calling-help "$@"; then
  echo "usage: tmuxifier completion <command>

Print a list of available completions for specified command."
  exit
fi

# Provide tmuxifier completions
if calling-complete "$@"; then
  tmuxifier-commands
  exit
fi

has-completions() {
  grep -i "^# Provide tmuxifier completions" "$1" >/dev/null
}

if [ -z "$1" ]; then
  echo "$(tmuxifier-help completions $@)" >&2
  exit 1
fi

! command_path="$(tmuxifier-resolve-command-path "$1")"

if [ -n "$command_path" ] && has-completions "$command_path"; then
  shift
  exec "$command_path" --complete "$@"
fi