#!/usr/bin/env bash
# Copyright 2018 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.

# This script runs all of the Go source verification scripts inside of the
# ./hack/go-tools directory. The success or failure of each script is outputted
# in green or red colored text, respectively. If any script fails, an error is
# returned, otherwise returns 0.

set -euo pipefail

SCRIPT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_ROOT="$(cd "${SCRIPT_ROOT}/.." && pwd)"
GO_TOOLS_DIR="${SCRIPT_ROOT}/go-tools"
# TODO(font): requires kubebuilder to update vendor directory before we can run
# 'go vet'. Disable for now since this repo mainly contains a CRD and generated
# code.
DISABLED_TEST="verify-govet.sh"

# run-checks runs each of the scripts described by pattern and outputs their
# success or failure and the time it took to run it.
function run-checks {
  local -r pattern=$1

  for t in $(ls ${pattern})
  do
    if [[ "${t}" =~ "${DISABLED_TEST}" ]]; then
        continue
    fi
    echo -e "Verifying ${t}"
    local start=$(date +%s)
    cd ${REPO_ROOT} && "${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
}

echo "Working directory: ${REPO_ROOT}"

# 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

ret=0
run-checks "${GO_TOOLS_DIR}/*.sh"
exit ${ret}
