#!/usr/bin/env bash

goimports="goimports"

find_files() {
  find . -not \( \
      \( \
        -wholename './output' \
        -o -wholename './_output' \
        -o -wholename './_gopath' \
        -o -wholename './release' \
        -o -wholename './target' \
        -o -wholename '*/third_party/*' \
        -o -wholename '*/vendor/*' \
      \) -prune \
    \) -name '*.go'
}

ignore_files=(
  "./openstack/compute/v2/extensions/quotasets/testing/fixtures.go"
  "./openstack/networking/v2/extensions/vpnaas/ikepolicies/testing/requests_test.go"
)

bad_files=$(find_files | xargs ${goimports} -l)

final_files=()
for bad_file in $bad_files; do
  found=
  for ignore_file in "${ignore_files[@]}"; do
    [[ "${bad_file}" == "${ignore_file}" ]] && { found=1; break; }
  done
  [[ -n $found ]] || final_files+=("$bad_file")
done

if [[ "${#final_files[@]}" -gt 0 ]]; then
  diff=$(echo "${final_files[@]}" | xargs ${goimports} -d -e 2>&1)
  if [[ -n "${diff}" ]]; then
    echo "${diff}"
    exit 1
  fi
fi