#!/bin/sh

\. ../../../nvm.sh
\. ../../common.sh

die () { echo "$@" ; cleanup ; exit 1; }
cleanup () {
  rm -rf "$(nvm_alias_path)/stable"
  rm -rf "$(nvm_alias_path)/unstable"
  rm -rf "$(nvm_alias_path)/node"
  rm -rf "$(nvm_alias_path)/iojs"
  rm -rf "${NVM_DIR}/v0.8.1"
  rm -rf "${NVM_DIR}/v0.9.1"
  rm -rf "${NVM_DIR}/versions/io.js/v0.2.1"
}

make_fake_node v0.8.1
make_fake_node v0.9.1
make_fake_iojs v0.2.1

EXPECTED_STABLE="$(nvm_print_implicit_alias local stable)"
STABLE_VERSION="$(nvm_version "${EXPECTED_STABLE}")"

EXPECTED_UNSTABLE="$(nvm_print_implicit_alias local unstable)"
UNSTABLE_VERSION="$(nvm_version "${EXPECTED_UNSTABLE}")"

[ "_${STABLE_VERSION}" != "_${UNSTABLE_VERSION}" ] \
  || die "stable and unstable versions are the same!"

nvm alias stable "${EXPECTED_UNSTABLE}"
nvm alias unstable "${EXPECTED_STABLE}"
nvm alias node stable
nvm alias iojs unstable

NVM_ALIAS_OUTPUT=$(run_in_terminal nvm alias | strip_colors)

echo "${NVM_ALIAS_OUTPUT}" | command grep -F "stable -> ${EXPECTED_UNSTABLE} (-> ${UNSTABLE_VERSION})" \
  || die "nvm alias did not contain the overridden 'stable' alias; got '${NVM_ALIAS_OUTPUT}'"

echo "${NVM_ALIAS_OUTPUT}" | command grep -F "unstable -> ${EXPECTED_STABLE} (-> ${STABLE_VERSION})" \
  || die "nvm alias did not contain the overridden 'unstable' alias; got '${NVM_ALIAS_OUTPUT}'"

echo "${NVM_ALIAS_OUTPUT}" | command grep -F "node -> stable (-> ${UNSTABLE_VERSION})" \
  || die "nvm alias did not contain the overridden 'node' alias; got '${NVM_ALIAS_OUTPUT}'"

echo "${NVM_ALIAS_OUTPUT}" | command grep -F "iojs -> unstable (-> ${STABLE_VERSION})" \
  || die "nvm alias did not contain the overridden 'iojs' alias; got '${NVM_ALIAS_OUTPUT}'"

cleanup