#!/bin/sh

# shellcheck disable=SC2317

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

cleanup() {
  unset -f nvm_remote_versions nvm_ls nvm_ls_current
  if [ -n "$TEMP_NVM_MIN" ]; then
    export NVM_MIN="$TEMP_NVM_MIN"
  fi
}

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


if [ -n "$NVM_MIN" ]; then
  TEMP_NVM_MIN="$NVM_MIN"
  unset NVM_MIN
fi

# mock currently installed versions
nvm_ls() {
  echo "v16.20.2
v18.20.3
system"
}

# mock currently active version
nvm_ls_current() {
  echo "v18.20.3"
}

nvm_remote_versions() {
  echo "v16.0.0
v16.20.2 Gallium *
v17.0.0
v17.9.1
v18.0.0
v18.1.0
v18.20.2 Hydrogen
v18.20.3 Hydrogen *
v19.0.0
v19.9.0
v20.0.0
v20.8.1
v20.9.0 Iron *
v21.0.0
v21.1.0"
}


# nvm_print_versions should print all versions from nvm_remote_versions
OUTPUT="$(NVM_NO_COLORS=1 nvm_print_versions "$(nvm_remote_versions)" | sed -r 's/^[ \t]+//')"
EXPECTED_OUTPUT="v16.0.0
v16.20.2 * (Latest LTS: Gallium)
v17.0.0
v17.9.1
v18.0.0
v18.1.0
v18.20.2   (LTS: Hydrogen)
->     v18.20.3 * (Latest LTS: Hydrogen)
v19.0.0
v19.9.0
v20.0.0
v20.8.1
v20.9.0   (Latest LTS: Iron)
v21.0.0
v21.1.0"

[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm_print_versions did not output all expected versions; got $OUTPUT"


# versions lower than 18 should be filtered out, but v16.20.2 should be kept since it's installed
OUTPUT="$(NVM_NO_COLORS=1 NVM_MIN=v18 nvm_print_versions "$(nvm_remote_versions)" | sed -r 's/^[ \t]+//')"
EXPECTED_OUTPUT="v16.20.2 * (Latest LTS: Gallium)
v18.0.0
v18.1.0
v18.20.2   (LTS: Hydrogen)
->     v18.20.3 * (Latest LTS: Hydrogen)
v19.0.0
v19.9.0
v20.0.0
v20.8.1
v20.9.0   (Latest LTS: Iron)
v21.0.0
v21.1.0"

[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "NVM_MIN=18 nvm_print_versions did not output all expected versions; got $OUTPUT"


# versions lower than 19 should be filtered out
OUTPUT="$(NVM_NO_COLORS=1 NVM_MIN=19 nvm_print_versions "$(nvm_remote_versions)" | sed -r 's/^[ \t]+//')"
EXPECTED_OUTPUT="v16.20.2 * (Latest LTS: Gallium)
->     v18.20.3 * (Latest LTS: Hydrogen)
v19.0.0
v19.9.0
v20.0.0
v20.8.1
v20.9.0   (Latest LTS: Iron)
v21.0.0
v21.1.0"

[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "NVM_MIN=19 nvm_print_versions did not output all expected versions; got $OUTPUT"


# versions lower than 20.1 should be filtered out, so v20.0.0 is out
OUTPUT="$(NVM_NO_COLORS=1 NVM_MIN=v20.1 nvm_print_versions "$(nvm_remote_versions)" | sed -r 's/^[ \t]+//')"
EXPECTED_OUTPUT="v16.20.2 * (Latest LTS: Gallium)
->     v18.20.3 * (Latest LTS: Hydrogen)
v20.8.1
v20.9.0   (Latest LTS: Iron)
v21.0.0
v21.1.0"

[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "NVM_MIN=20.1 nvm_print_versions did not output all expected versions; got $OUTPUT"


# assume v18.20.3 is NOT installed, so now it should be filtered out
nvm_ls() {
  echo "v16.20.2
system"
}

nvm_ls_current() {
  echo "v16.20.2"
}

OUTPUT="$(NVM_NO_COLORS=1 NVM_MIN=20.1 nvm_print_versions "$(nvm_remote_versions)" | sed -r 's/^[ \t]+//')"
EXPECTED_OUTPUT="->     v16.20.2 * (Latest LTS: Gallium)
v20.8.1
v20.9.0   (Latest LTS: Iron)
v21.0.0
v21.1.0"

[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "NVM_MIN=20.1 nvm_print_versions did not output all expected versions; got $OUTPUT"


cleanup