module SimpleCov

def result_exit_status(result, covered_percent)
  covered_percentages = result.covered_percentages.map { |percentage| percentage.floor(2) }
  if (minimum_violations = minimum_coverage_violated(result)).any?
    report_minimum_violated(minimum_violations)
    SimpleCov::ExitCodes::MINIMUM_COVERAGE
  elsif covered_percentages.any? { |p| p < SimpleCov.minimum_coverage_by_file }
    $stderr.printf(
      "File (%<file>s) is only (%<least_covered_percentage>.2f%%) covered. This is below the expected minimum coverage per file of (%<min_coverage>.2f%%).\n",
      file: result.least_covered_file,
      least_covered_percentage: covered_percentages.min,
      min_coverage: SimpleCov.minimum_coverage_by_file
    )
    SimpleCov::ExitCodes::MINIMUM_COVERAGE
  elsif (last_run = SimpleCov::LastRun.read)
    coverage_diff = last_run[:result][:covered_percent] - covered_percent
    if coverage_diff > SimpleCov.maximum_coverage_drop
      $stderr.printf(
        "Coverage has dropped by %<drop_percent>.2f%% since the last time (maximum allowed: %<max_drop>.2f%%).\n",
        drop_percent: coverage_diff,
        max_drop: SimpleCov.maximum_coverage_drop
      )
      SimpleCov::ExitCodes::MAXIMUM_COVERAGE_DROP
    else
      SimpleCov::ExitCodes::SUCCESS
    end
  else
    SimpleCov::ExitCodes::SUCCESS
  end
end