# Warn when there is a big PR
warn('Big PR') if git.lines_of_code > 500

# Make sure that and new ENV files are recorded in /doc/env_list.yml
documented_env = File.read('.env.example').split("\n").select { |line| line =~ /^[A-Z]/ }.map { |line| line.sub(/^([^=]+)=.*$/, '\1') }

git.diff.each do |chunk|
  chunk.patch.lines.grep(/^+/).each do |added_line|
    env_variable = (added_line.match(/ENV\[(\S+)\]/) || added_line.match(/ENV.fetch\((\S+)\)/))&.captures&.first.to_s.gsub(/["']/, '')

    next if env_variable.nil? || env_variable.empty?

    failure("Please add a record of #{env_variable} to .env.example") unless documented_env.include?(env_variable)
  end
end

if github.pr_body.include?('EXAMPLE_ENV_VARIABLE')
  warn('Template `Deployment Notes` appears to be unmodified. Please update with relevant information or remove if not required.')
end

if github.pr_body.include?('Do this') && github.pr_body.include?('Do that')
  warn('Template `How to test PR` appears to be unmodified. Please update with relevant information or remove if testing is not required.')
end

failure('Please add labels to this PR.') if github.pr_labels.empty?

failure('Please assign this PR to its owner.') if github.pr_json['assignee'].nil? && !github.pr_labels.include?('dependencies')