module Tagger
  class CLI < Thor
    desc "generate", "an AnlayticsEvent file"
    option :platform, required: true
    option :out, required: true
    def generate(url)
      puts "Generate AnalyticsEvent.#{options[:platform] == 'ios' ? 'swift' : 'kotlin'}"

      # Download as CSV
      downloader = Tagger::Downloader.new(url)
      downloader.download_and_write()

      # Parse CSV
      raw_file = CSV.read("tmp/raw.csv", headers: true)
      events = raw_file.map do |row|
        event_name = row[1]
        if event_name.nil?
          nil
        else
          param_names = row.headers[(3)..-1]
          param_values = row[(3)..-1]

          Tagger::Event.new(event_name, param_values.compact.size == 0 ? nil : Hash[param_names.zip param_values])
        end
      end.compact

      generator = Tagger::Generator.new(events, options[:platform].to_sym)
      generator.generate(options[:out])
    end
  end
end