#!/bin/sh

set -e

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

cleanup() {
  unset -f nvm_download nvm_ls_remote nvm_ls_remote_iojs
  if [ -n "${TEMP_NVM_COLORS}" ]; then
    export NVM_COLORS="${TEMP_NVM_COLORS}"
  fi
  unset TEMP_NVM_COLORS
}

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

if [ -n "${NVM_COLORS}" ]; then
  export TEMP_NVM_COLORS="${NVM_COLORS}"
  unset NVM_COLORS
fi

nvm deactivate 2>/dev/null || die '1: unable to deactivate'

\. ../../common.sh

MOCKS_DIR="${PWD}/mocks"

# shellcheck disable=SC2317
nvm_download() {
  if [ "$*" = "-L -s $(nvm_get_mirror node std)/index.tab -o -" ]; then
    cat "$MOCKS_DIR/nodejs.org-dist-index.tab"
    return
  fi
  return 42
}

EXPECTED_OUTPUT_PATH="${MOCKS_DIR}/nvm ls-remote lts.txt"
OUTPUT="$(run_in_terminal nvm ls-remote --lts | sed 's/[ \t]*$//')"
EXPECTED_OUTPUT="$(cat "${EXPECTED_OUTPUT_PATH}" | sed 's/[ \t]*$//' )"
[ "_$OUTPUT" = "_${EXPECTED_OUTPUT}" ] || die "2: nvm ls-remote --lts did not output expected sorted versions; got >${OUTPUT}< expected 1 >${EXPECTED_OUTPUT}<"

EXPECTED_OUTPUT_PATH="${MOCKS_DIR}/nvm ls-remote lts.txt"
OUTPUT="$(run_in_terminal nvm ls-remote 'lts/*' | sed 's/[ \t]*$//')"
EXPECTED_OUTPUT="$(cat "${EXPECTED_OUTPUT_PATH}" | sed 's/[ \t]*$//' )"
[ "_$OUTPUT" = "_${EXPECTED_OUTPUT}" ] || die "3: nvm ls-remote lts/* did not output expected sorted versions; got >${OUTPUT}< expected 2 >${EXPECTED_OUTPUT}<"

MOCKS_DIR="$PWD/mocks"
LTS_NAMES_PATH="${MOCKS_DIR}/LTS_names.txt"
LTS_LIST="$(cat "${LTS_NAMES_PATH}" | tail -n +2)"

INDEX=1
printf '%s\n' "${LTS_LIST}" | while IFS= read -r LTS; do
  ACTUAL="$(run_in_terminal nvm ls-remote "lts/-${INDEX}" | sed 's/[ \t]*$//')"
  MESSAGE="for lts/-${INDEX} (${LTS})"
  EXPECTED="$(run_in_terminal nvm ls-remote "lts/${LTS}" | sed 's/[ \t]*$//')"
  [ "${ACTUAL}" = "${EXPECTED}" ] || die "4: ${MESSAGE}: expected >${EXPECTED}<, got >${ACTUAL}<"

  INDEX=$(($INDEX + 1))
done

REMOTE="${PWD}/mocks/nvm_ls_remote.txt"
nvm_ls_remote() {
  cat "${REMOTE}"
}
REMOTE_IOJS="${PWD}/mocks/nvm_ls_remote_iojs.txt"
nvm_ls_remote_iojs() {
  cat "${REMOTE_IOJS}"
}

EXPECTED_OUTPUT_PATH="${MOCKS_DIR}/nvm ls-remote.txt"
OUTPUT="$(run_in_terminal nvm ls-remote | sed 's/[ \t]*$//')"
EXPECTED_OUTPUT="$(cat "${EXPECTED_OUTPUT_PATH}" | sed 's/[ \t]*$//' )"
[ "_${OUTPUT}" = "_${EXPECTED_OUTPUT}" ] || die "5: bare nvm ls-remote did not output expected sorted versions; got >${OUTPUT}< expected >${EXPECTED_OUTPUT}<"

cleanup