#!/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 'unable to deactivate'

\. ../../common.sh

MOCKS_DIR="$PWD/mocks"

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

EXPECTED_OUTPUT_PATH="${MOCKS_DIR}/nvm ls-remote lts.txt"
OUTPUT="$(nvm ls-remote "lts/*" | sed 's/[ \t]*$//')"
EXPECTED_OUTPUT="$(cat "$EXPECTED_OUTPUT_PATH" | sed 's/[ \t]*$//' )"
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm ls-remote lts/* did not output expected sorted versions; got $(echo ">$OUTPUT<") expected $(echo ">$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' "${LTS_LIST}" | while IFS= read -r LTS; do
  ACTUAL="$(nvm ls-remote "lts/-${INDEX}" | sed 's/[ \t]*$//')"
  MESSAGE="for lts/-${INDEX} (${LTS})"
  EXPECTED="$(nvm ls-remote "lts/${LTS}" | sed 's/[ \t]*$//')"
  [ "${ACTUAL}" = "${EXPECTED}" ] || die "${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="${MOCKS_DIR}/nvm ls-remote.txt"
OUTPUT="$(nvm ls-remote | sed 's/[ \t]*$//')"
EXPECTED_OUTPUT="$(cat "$EXPECTED_OUTPUT_PATH" | sed 's/[ \t]*$//' )"
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "bare nvm ls-remote did not output expected sorted versions; got $(echo ">$OUTPUT<") expected $(echo ">$EXPECTED_OUTPUT<")"

cleanup