#!/bin/bash
# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -o errexit
set -o nounset
set -o pipefail

SILENT=true
KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..

# Some useful colors.
if [[ -z "${color_start-}" ]]; then
  declare -r color_start="\033["
  declare -r color_red="${color_start}0;31m"
  declare -r color_yellow="${color_start}0;33m"
  declare -r color_green="${color_start}0;32m"
  declare -r color_norm="${color_start}0m"
fi

function run-cmd {
  if ${SILENT}; then
    "$@" &> /dev/null
  else
    "$@"
  fi
}

function is-excluded {
  if [[ $1 -ef ${BASH_SOURCE} ]]; then
    return
  fi
  return 1
}

function run-checks {
  local -r pattern=$1
  local -r runner=$2

  for t in $(ls ${pattern})
  do
   if is-excluded "${t}" ; then
      echo "Skipping ${t}"
      continue
    fi
    echo -e "Verifying ${t}"
    local start=$(date +%s)
    run-cmd "${runner}" "${t}" && tr=$? || tr=$?
    local elapsed=$(($(date +%s) - ${start}))
    if [[ ${tr} -eq 0 ]]; then
      echo -e "${color_green}SUCCESS${color_norm}  ${t}\t${elapsed}s"
    else
      echo -e "${color_red}FAILED${color_norm}   ${t}\t${elapsed}s"
      ret=1
    fi
  done
}

while getopts ":v" opt; do
  case ${opt} in
    v)
      SILENT=false
      ;;
    \?)
      echo "Invalid flag: -${OPTARG}" >&2
      exit 1
      ;;
  esac
done

if ${SILENT} ; then
  echo "Running in the silent mode, run with -v if you want to see script logs."
fi

ret=0
run-checks "${KUBE_ROOT}/hack/verify-*.sh" bash
exit ${ret}
