#!/bin/sh

TEST_PWD=$(pwd)
TEST_DIR="$TEST_PWD/nvm_die_on_prefix_tmp"

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

\. ../../common.sh

TEST_VERSION_DIR="${TEST_DIR}/version"

cleanup () {
  rm -rf "$TEST_DIR"
  alias nvm_has='\nvm_has'
  alias npm='\npm'
  unset -f nvm_has npm node
}

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

[ ! -e "$TEST_DIR" ] && mkdir "$TEST_DIR"

try_err nvm_die_on_prefix
EXPECTED_OUTPUT="First argument \"delete the prefix\" must be zero or one"
[ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix' did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
[ "_$CAPTURED_EXIT_CODE" = "_1" ] || die "'nvm_die_on_prefix' did not exit with 1; got "$CAPTURED_EXIT_CODE""

try_err nvm_die_on_prefix 2
EXPECTED_OUTPUT="First argument \"delete the prefix\" must be zero or one"
[ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 2' did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
[ "_$CAPTURED_EXIT_CODE" = "_1" ] || die "'nvm_die_on_prefix' did not exit with 1; got "$CAPTURED_EXIT_CODE""

try_err nvm_die_on_prefix 0
EXPECTED_OUTPUT='Second argument "nvm command", and third argument "nvm version dir", must both be nonempty'
[ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0' did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
[ "_$CAPTURED_EXIT_CODE" = "_2" ] || die "'nvm_die_on_prefix 0' did not exit with 2; got '$CAPTURED_EXIT_CODE'"

nvm_has() { return 1; } # ie, npm is not installed
OUTPUT="$(nvm_die_on_prefix 0 version_dir foo 2>&1)"
[ -z "$OUTPUT" ] || die "nvm_die_on_prefix was not a noop when nvm_has returns 1, got '$OUTPUT'"

nvm_has() { return 0; }

OUTPUT="$(nvm_die_on_prefix 0 foo "$(nvm_version_dir new)" 2>&1)"
[ -z "$OUTPUT" ] || die "'nvm_die_on_prefix' was not a noop when prefix is good; got '$OUTPUT'"

# `nvm_get_os` runs `uname`; it is only needed when an `NPM_CONFIG_PREFIX`
# variable is set, so with none set it must not run at all
MOCK_BIN="${TEST_DIR}/bin"
mkdir -p "${MOCK_BIN}"
{
  echo '#!/bin/sh'
  echo 'echo "uname was called" >&2'
  echo 'exit 1'
} > "${MOCK_BIN}/uname"
chmod +x "${MOCK_BIN}/uname"
unset NPM_CONFIG_PREFIX npm_config_prefix npm_CONFIG_PREFIX
OUTPUT="$(PATH="${MOCK_BIN}:${PATH}" nvm_die_on_prefix 0 foo "$(nvm_version_dir new)" 2>&1)"
[ -z "$OUTPUT" ] || die "'nvm_die_on_prefix' detected the OS (ran uname) when no NPM_CONFIG_PREFIX was set; got '$OUTPUT'"

mkdir -p "$(nvm_version_dir new)"
ln -s "$(nvm_version_dir new)" "$TEST_DIR/node"

npm() {
  local args
  args="$@"
  if [ "_$args" = "_config --loglevel=warn get prefix" ]; then
    echo "$TEST_DIR/node"
  fi
}

node() {
  if [ "_$1" = "_-v" ]; then
    echo "v0.0.0"
  fi
}

OUTPUT="$(nvm_die_on_prefix 0 foo "$(nvm_version_dir new)" 2>&1)"
[ -z "$OUTPUT" ] || die "'nvm_die_on_prefix' was not a noop when directory is equivalent; got '$OUTPUT'"

PREFIX=bar try_err nvm_die_on_prefix 0 foo "$(nvm_version_dir new)"
unset PREFIX
EXPECTED_OUTPUT='nvm is not compatible with the "PREFIX" environment variable: currently set to "bar"
Run `unset PREFIX` to unset it.'
[ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'PREFIX=bar nvm_die_on_prefix 0 foo' did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
[ "_$CAPTURED_EXIT_CODE" = "_3" ] || die "'PREFIX=bar nvm_die_on_prefix 0 foo' did not exit with 3; got '$CAPTURED_EXIT_CODE'"

NPM_CONFIG_PREFIX=bar try_err nvm_die_on_prefix 0 foo "$(nvm_version_dir new)"
unset NPM_CONFIG_PREFIX
EXPECTED_OUTPUT='nvm is not compatible with the "NPM_CONFIG_PREFIX" environment variable: currently set to "bar"
Run `unset NPM_CONFIG_PREFIX` to unset it.'
[ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'NPM_CONFIG_PREFIX=bar nvm_die_on_prefix 0 foo' did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
[ "_$CAPTURED_EXIT_CODE" = "_4" ] || die "'NPM_CONFIG_PREFIX=bar nvm_die_on_prefix 0 foo' did not exit with 4; got '$CAPTURED_EXIT_CODE'"

npm_CONFIG_PREFIX=bar try_err nvm_die_on_prefix 0 foo "$(nvm_version_dir new)"
unset npm_CONFIG_PREFIX
EXPECTED_OUTPUT='nvm is not compatible with the "npm_CONFIG_PREFIX" environment variable: currently set to "bar"
Run `unset npm_CONFIG_PREFIX` to unset it.'
[ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'npm_CONFIG_PREFIX=bar nvm_die_on_prefix 0 foo' did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
[ "_$CAPTURED_EXIT_CODE" = "_4" ] || die "'npm_CONFIG_PREFIX=bar nvm_die_on_prefix 0 foo' did not exit with 4; got '$CAPTURED_EXIT_CODE'"

OUTPUT="$(export FOO='This contains NPM_CONFIG_PREFIX' ; nvm_die_on_prefix 0 foo "$(nvm_version_dir new)" 2>&1)"
[ -z "$OUTPUT" ] || die "'nvm_die_on_prefix' was not a noop; got '$OUTPUT'"

# npmrc tests
(
  cd "${TEST_DIR}"
  touch package.json

  # project: prefix
  echo 'prefix=garbage' > .npmrc
  try_err nvm_die_on_prefix 0 foo "${TEST_VERSION_DIR}"
  EXPECTED_OUTPUT="Your project npmrc file ($(nvm_sanitize_path "${TEST_DIR}")/.npmrc)
has a \`globalconfig\` and/or a \`prefix\` setting, which are incompatible with nvm.
Run \`foo\` to unset it."
  [ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0 foo' with project .npmrc that has prefix did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
  [ "_$CAPTURED_EXIT_CODE" = "_10" ] || die "'nvm_die_on_prefix 0 foo' with project .npmrc that has prefix did not exit with 10; got '$CAPTURED_EXIT_CODE'"

  # project: globalconfig
  echo 'globalconfig=garbage' > .npmrc
  try_err nvm_die_on_prefix 0 foo "${TEST_VERSION_DIR}"
  EXPECTED_OUTPUT="Your project npmrc file ($(nvm_sanitize_path "${TEST_DIR}")/.npmrc)
has a \`globalconfig\` and/or a \`prefix\` setting, which are incompatible with nvm.
Run \`foo\` to unset it."
  [ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0 foo' with project .npmrc that has globalconfig did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
  [ "_$CAPTURED_EXIT_CODE" = "_10" ] || die "'nvm_die_on_prefix 0 foo' with project .npmrc that has globalconfig did not exit with 10; got '$CAPTURED_EXIT_CODE'"

  rm "${TEST_DIR}/.npmrc" || die '.npmrc could not be removed'

  mkdir -p "${TEST_VERSION_DIR}"
  GLOBAL_NPMRC="${TEST_VERSION_DIR}/etc/npmrc"
  mkdir -p "${TEST_VERSION_DIR}/etc"

  BUILTIN_NPMRC="${TEST_VERSION_DIR}/lib/node_modules/npm/npmrc"
  mkdir -p "${TEST_VERSION_DIR}/lib/node_modules/npm/"

  export HOME="${TEST_VERSION_DIR}"
  USER_NPMRC="${TEST_VERSION_DIR}/.npmrc"

  # global: prefix
  echo 'prefix=garbage' > "${GLOBAL_NPMRC}"
  try_err nvm_die_on_prefix 0 foo "${TEST_VERSION_DIR}"
  EXPECTED_OUTPUT="Your global npmrc file ($(nvm_sanitize_path "${GLOBAL_NPMRC}"))
has a \`globalconfig\` and/or a \`prefix\` setting, which are incompatible with nvm.
Run \`foo\` to unset it."
  [ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0 foo' with global npmrc that has prefix did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
  [ "_$CAPTURED_EXIT_CODE" = "_10" ] || die "'nvm_die_on_prefix 0 foo' with global npmrc that has prefix did not exit with 10; got '$CAPTURED_EXIT_CODE'"

  # global: globalconfig
  echo 'globalconfig=garbage' > "${GLOBAL_NPMRC}"
  try_err nvm_die_on_prefix 0 foo "${TEST_VERSION_DIR}"
  EXPECTED_OUTPUT="Your global npmrc file ($(nvm_sanitize_path "${GLOBAL_NPMRC}"))
has a \`globalconfig\` and/or a \`prefix\` setting, which are incompatible with nvm.
Run \`foo\` to unset it."
  [ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0 foo' with global npmrc that has globalconfig did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
  [ "_$CAPTURED_EXIT_CODE" = "_10" ] || die "'nvm_die_on_prefix 0 foo' with global npmrc that has globalconfig did not exit with 10; got '$CAPTURED_EXIT_CODE'"

  rm "${GLOBAL_NPMRC}" || die "${GLOBAL_NPMRC} could not be removed"

  # builtin: prefix
  echo 'prefix=garbage' > "${BUILTIN_NPMRC}"
  try_err nvm_die_on_prefix 0 foo "${TEST_VERSION_DIR}"
  EXPECTED_OUTPUT="Your builtin npmrc file ($(nvm_sanitize_path "${BUILTIN_NPMRC}"))
has a \`globalconfig\` and/or a \`prefix\` setting, which are incompatible with nvm.
Run \`foo\` to unset it."
  [ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0 foo' with builtin npmrc that has prefix did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
  [ "_$CAPTURED_EXIT_CODE" = "_10" ] || die "'nvm_die_on_prefix 0 foo' with builtin npmrc that has prefix did not exit with 10; got '$CAPTURED_EXIT_CODE'"

  # builtin: globalconfig
  echo 'globalconfig=garbage' > "${BUILTIN_NPMRC}"
  try_err nvm_die_on_prefix 0 foo "${TEST_VERSION_DIR}"
  EXPECTED_OUTPUT="Your builtin npmrc file ($(nvm_sanitize_path "${BUILTIN_NPMRC}"))
has a \`globalconfig\` and/or a \`prefix\` setting, which are incompatible with nvm.
Run \`foo\` to unset it."
  [ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0 foo' with builtin npmrc that has globalconfig did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
  [ "_$CAPTURED_EXIT_CODE" = "_10" ] || die "'nvm_die_on_prefix 0 foo' with builtin npmrc that has globalconfig did not exit with 10; got '$CAPTURED_EXIT_CODE'"

  rm "${BUILTIN_NPMRC}" || die "${BUILTIN_NPMRC} could not be removed"

  # user: prefix
  echo 'prefix=garbage' > "${USER_NPMRC}"
  try_err nvm_die_on_prefix 0 foo "${TEST_VERSION_DIR}"
  EXPECTED_OUTPUT="Your user’s .npmrc file ($(nvm_sanitize_path "${USER_NPMRC}"))
has a \`globalconfig\` and/or a \`prefix\` setting, which are incompatible with nvm.
Run \`foo\` to unset it."
  [ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0 foo' with user .npmrc that has prefix did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
  [ "_$CAPTURED_EXIT_CODE" = "_10" ] || die "'nvm_die_on_prefix 0 foo' with user .npmrc that has prefix did not exit with 10; got '$CAPTURED_EXIT_CODE'"

  # user: globalconfig
  echo 'globalconfig=garbage' > "${USER_NPMRC}"
  try_err nvm_die_on_prefix 0 foo "${TEST_VERSION_DIR}"
  EXPECTED_OUTPUT="Your user’s .npmrc file ($(nvm_sanitize_path "${USER_NPMRC}"))
has a \`globalconfig\` and/or a \`prefix\` setting, which are incompatible with nvm.
Run \`foo\` to unset it."
  [ "_$CAPTURED_STDERR" = "_$EXPECTED_OUTPUT" ] || die "'nvm_die_on_prefix 0 foo' with user .npmrc that has globalconfig did not error with '$EXPECTED_OUTPUT'; got '$CAPTURED_STDERR'"
  [ "_$CAPTURED_EXIT_CODE" = "_10" ] || die "'nvm_die_on_prefix 0 foo' with user .npmrc that has globalconfig did not exit with 10; got '$CAPTURED_EXIT_CODE'"
)

# nvm_npmrc_bad_news_bears matches `^(prefix|globalconfig) *=`
NPMRC="${TEST_DIR}/bad-news.npmrc"
printf 'prefix=x\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefix=x should be bad news'
printf 'prefix =x\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefix =x should be bad news'
printf 'prefix  =x\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefix  =x should be bad news'
printf 'prefix =\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefix = should be bad news'
printf 'foo=1\nprefix = y\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'a matching line after a non-matching line should be bad news'
printf 'prefix=x' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefix=x without a trailing newline should be bad news'
printf 'globalconfig=x\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'globalconfig=x should be bad news'
printf 'globalconfig = x\n' > "${NPMRC}"
nvm_npmrc_bad_news_bears "${NPMRC}" || die 'globalconfig = x should be bad news'

printf 'prefixfoo=x\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefixfoo=x should not be bad news'
printf 'globalconfigfoo=x\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'globalconfigfoo=x should not be bad news'
printf 'prefix x=x\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'prefix x=x should not be bad news'
printf 'prefix\t=x\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'a tab before = should not be bad news'
printf ' prefix=x\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'a leading space should not be bad news'
printf 'Prefix=x\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'an uppercase key should not be bad news'
printf 'prefix\n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'a bare prefix should not be bad news'
printf 'prefix   \n' > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'trailing spaces without = should not be bad news'
: > "${NPMRC}"
! nvm_npmrc_bad_news_bears "${NPMRC}" || die 'an empty npmrc should not be bad news'
! nvm_npmrc_bad_news_bears || die 'a missing argument should not be bad news'
! nvm_npmrc_bad_news_bears "${TEST_DIR}/nonexistent.npmrc" || die 'a missing file should not be bad news'

# the npmrc scan must not fork `grep`
(
  rm -f "${TEST_DIR}/grep-was-called"
  nvm_grep() { : > "${TEST_DIR}/grep-was-called"; return 1; }
  printf 'globalconfig = nope\n' > "${TEST_DIR}/probe.npmrc"
  NVM_PROBE_EXIT=0
  nvm_npmrc_bad_news_bears "${TEST_DIR}/probe.npmrc" || NVM_PROBE_EXIT=$?
  [ ! -e "${TEST_DIR}/grep-was-called" ] || exit 10
  [ "${NVM_PROBE_EXIT}" = 0 ] || exit 11
) || die 'nvm_npmrc_bad_news_bears must read npmrc files without calling nvm_grep'

cleanup