#!/bin/bash

warnings=0
errors=0
scripted=0
goUp="\\e[1A"

function run {
  if [[ $scripted -eq 0 ]]; then
    echo "[......] $*"
  fi

  # create tmpfile
  tmpfile=$(mktemp)
  # execute
  $* >$tmpfile 2>&1
  rc=$?
  output=$(cat $tmpfile)

  # check return code
  if [[ $rc -eq 0 ]]; then
    if [[ $output == *"[no test files]"* ]]; then
      echo -e "${goUp}[\e[01;33mNOTEST\e[00m] $*"
      warnings=$((warnings+1))
    else
      echo -ne "${goUp}[\e[01;32m  OK  \e[00m] "
      if [[ $2 == "test" ]]; then
        echo -n $*
        echo -n ": "
        echo $output | cut -f "3-" -d " "
      else
        echo $*
      fi
    fi
  else
    if [[ $output == *"build constraints exclude all Go files"* ]]; then
      echo -e "${goUp}[ !=OS ] $*"
    else
      echo -e "${goUp}[\e[01;31m FAIL \e[00m] $*" >/dev/stderr
      cat $tmpfile >/dev/stderr
      errors=$((errors+1))
    fi
  fi

  rm -f $tmpfile
}

# get and switch to script dir
baseDir="$( cd "$(dirname "$0")" && pwd )"
cd "$baseDir"

# change output format if being run in script
if [[ $1 == "--scripted" ]]; then
  scripted=1
  goUp=""
fi

# platform info
platformInfo=$(go env GOOS GOARCH)
echo "running tests for ${platformInfo//$'\n'/ }:"

# get all packages
packages=$(go list ./...)

# run vet/test on packages
for package in $packages; do
  run go vet $package
  run go test -cover $package
done

echo ""
if [[ $errors -gt 0 ]]; then
  echo "failed with $errors errors and $warnings warnings"
  exit 1
else
  echo "succeeded with $warnings warnings"
  exit 0
fi