Dangerfile.warning-workaround

require 'json'

xcode_summary.report ENV["XCRESULT_PATH"]

# don't display all the warnings, but use cache restore/save
# to remember a number of warnings and only warn on the PR
# once the number of warnings increased
warning_error_count = xcode_summary.warning_error_count ENV["XCRESULT_PATH"]
current_result = JSON.parse(warning_error_count, symbolize_names: true)

directory = "Danger.results"
filename = directory + "/" + ENV["XCRESULT_PATH"]
Dir.mkdir(directory) unless Dir.exist?(directory)

# read previous values
previous_result = { warnings: 0, errors: 0 }
if File.exist?(filename)
  previous_result = JSON.parse(File.read(filename), symbolize_names: true)
end

# compare and notify if there are warnings
if current_result[:warnings] > 0 && current_result[:warnings] == previous_result[:warnings]
  message "⚠️ The number of warnings is still #{current_result[:warnings]}."
elsif current_result[:warnings] < previous_result[:warnings]
  message "❤️ The number of warnings decreased from #{previous_result[:warnings]} to #{current_result[:warnings]}."
elsif current_result[:warnings] > previous_result[:warnings]
  warn "🚨 #{current_result[:warnings] - previous_result[:warnings]} warning(s) introduced, please fix them!"
end

# store current values
File.write(filename, JSON.generate(current_result))