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

# Provide pyenv completions
if [ "$1" = "--complete" ]; then
  exec pyenv versions --bare
fi

if [ -z "$PYENV_ROOT" ]; then
  PYENV_ROOT="${HOME}/.pyenv"
fi

# Load shared library functions
eval "$(python-virtualenv --lib)"

usage() {
  { echo "usage: pyenv virtualenv [-v|--verbose] [VIRTUALENV_OPTIONS] PYTHON_VERSION NAME"
    echo
    echo "  -v/--verbose     Verbose mode: print compilation status to stdout"
    echo
  } >&2

  [ -z "$1" ] || exit "$1"
}

unset VERBOSE

VIRTUALENV_OPTIONS=()

parse_options "$@"
for option in "${OPTIONS[@]}"; do
  case "$option" in
  "h" | "help" )
    usage 0
    ;;
  "v" | "verbose" )
    VERBOSE="-v"
    ;;
  "version" )
    exec python-virtualenv --version
    ;;
  * )
    VIRTUALENV_OPTIONS[${#VIRTUALENV_OPTIONS[*]}]="--$option"
    ;;
  esac
done

VERSION_NAME="${ARGUMENTS[0]}"
[ -n "$VERSION_NAME" ] || usage 1

for script in $(pyenv-hooks virtualenv); do
  source "$script"
done

PYTHON_PREFIX="${PYENV_ROOT}/versions/${VERSION_NAME}"
VIRTUALENV_NAME="${ARGUMENTS[1]##*/}"
VIRTUALENV_PATH="${PYENV_ROOT}/versions/${VIRTUALENV_NAME}"

python-virtualenv $VERBOSE "${VIRTUALENV_OPTIONS[@]}" "$PYTHON_PREFIX" "$VIRTUALENV_PATH"
pyenv rehash