#!/bin/sh

die () { echo "$@" ; exit 1; }

: nvm.sh
\. ../../../nvm.sh

\. ../../common.sh

unset NVM_ONLY NVM_ONLY_SELECTED
NVM_NO_LTS_STATUS=1
export NVM_NO_LTS_STATUS

check () {
  EXPECTED="$1"
  shift
  try nvm_resolve_only "$@"
  [ "_${CAPTURED_EXIT_CODE}" = '_0' ] || die "nvm_resolve_only $* (NVM_ONLY=${NVM_ONLY-}) exited ${CAPTURED_EXIT_CODE}"
  [ "_${CAPTURED_STDOUT}" = "_${EXPECTED}" ] || die "nvm_resolve_only $* (NVM_ONLY=${NVM_ONLY-}) printed >${CAPTURED_STDOUT}<, expected >${EXPECTED}<"
}

check_err () {
  EXPECTED="$1"
  shift
  try_err nvm_resolve_only "$@"
  [ "_${CAPTURED_EXIT_CODE}" = "_${EXPECTED_CODE:-55}" ] || die "nvm_resolve_only $* (NVM_ONLY=${NVM_ONLY-}) exited ${CAPTURED_EXIT_CODE}, expected ${EXPECTED_CODE:-55}"
  [ "_${CAPTURED_STDERR}" = "_${EXPECTED}" ] || die "nvm_resolve_only $* (NVM_ONLY=${NVM_ONLY-}) printed >${CAPTURED_STDERR}<, expected >${EXPECTED}<"
}

check 'lts,non-lts,iojs' 0 '' ''
check 'alpha,iojs' 1 'iojs,alpha' ''
check 'lts,non-lts' 0 '' '*'
check 'lts,non-lts' 1 'alpha,lts' 'argon'
check_err '`--only=alpha,iojs` excludes LTS versions, so it cannot be combined with an LTS selection like `--lts`.' 1 'alpha,iojs' '*'
check_err '`--only` may only be provided once.' 2 'alpha' ''
check_err 'Invalid `--only` value "": it must be a comma-separated list of any of: alpha, lts, non-lts, iojs' 1 '' ''
check_err 'Invalid `--only` value ",alpha": it must be a comma-separated list of any of: alpha, lts, non-lts, iojs' 1 ',alpha' ''

NVM_ONLY='iojs,alpha'
check 'alpha,iojs' 0 '' ''
check 'non-lts' 1 'non-lts' ''
check 'lts,non-lts' 0 '' '*'
NVM_ONLY='alpha,bogus'
check_err 'Invalid `$NVM_ONLY` value "alpha,bogus": it must be a comma-separated list of any of: alpha, lts, non-lts, iojs' 0 '' ''
check 'lts' 1 'lts' ''

NVM_ONLY='lts'
NVM_ONLY_SELECTED='alpha'
check 'alpha' 0 '' ''
check 'non-lts' 1 'non-lts' ''
unset NVM_ONLY NVM_ONLY_SELECTED NVM_NO_LTS_STATUS

# selecting only one of lts and non-lts needs recorded LTS status; an LTS selection does not
NVM_INDEX_NO_FETCH=1
export NVM_INDEX_NO_FETCH
nvm_download() { return 1; }
TMP_DIR="$(mktemp -d)"
ORIG_NVM_DIR="${NVM_DIR}"
NVM_DIR="${TMP_DIR}"
EXPECTED_CODE=3
check_err 'The LTS status of installed versions is not recorded yet; run `nvm ls-remote` to record it.' 1 'lts' ''
unset EXPECTED_CODE
check 'lts,non-lts' 0 '' '*'
NVM_DIR="${ORIG_NVM_DIR}"
rm -rf "${TMP_DIR}"
unset NVM_INDEX_NO_FETCH