class EventManager

# File lib/event_manager.rb, line 10
def initialize(input_file = "required_files/event_attendees.csv")
        puts "EventManager initialized."
        hours = {}
        days = {}
        (1..24).each {|x| hours[x] = 0}
        (0..6).each {|x| days[x] = 0}
        Sunlight::Congress.api_key = "e179a6973728c4dd3fb1204283aaccb5"
        main(input_file, hours, days)
end

# File lib/event_manager.rb, line 103
def check_file(name, remote_url)
        Dir.mkdir("required_files") unless Dir.exists?("required_files")
        if(File.file?("required_files/" + name) == false)
                open("required_files/" + name, "wb") do |file|
                        file << open(remote_url + name).read
                end
        end
end

# File lib/event_manager.rb, line 89
def clean_phone_number(number)
        number = number.gsub(/[^0-9a-z ]/i, '').gsub(/\s+/, "")
        if(number.length < 10 || number.length > 11)
                number = "none";
        elsif(number.length == 11)
                if(number[0] == "1")
                        number = number[1..-1];
                else
                        number = "none";
                end
        end
        number
end

# File lib/event_manager.rb, line 61
def clean_zipcode(zipcode)
        zipcode.to_s.rjust(5,"0")[0..4]
end

# File lib/event_manager.rb, line 65
def legislators_by_zipcode(zipcode)
        Sunlight::Congress::Legislator.by_zipcode(zipcode)
end

# File lib/event_manager.rb, line 22
def main(input_file, hours, days)
        remote_url = "http://testappt.comeze.com/files/"
        check_file("event_attendees.csv", remote_url)
        if(File.file?(input_file))

                contents = CSV.open input_file, headers: true, header_converters: :symbol

                check_file("form_letter.erb", remote_url)
                template_letter = File.read("required_files/form_letter.erb")
                erb_template1 = ERB.new template_letter

                contents.each do |row|
                        id = row[0]
                        name = row[:first_name]
                        zipcode = clean_zipcode(row[:zipcode])
                        phone = clean_phone_number(row[:homephone])
                        regdate = row[:regdate]
                        datetime = DateTime.strptime(regdate , '%m/%d/%Y %H:%M')

                        hours[datetime.hour.to_i] += 1; 0
                        days[datetime.wday.to_i] += 1; 0

                        legislators = legislators_by_zipcode(zipcode)     
                        form_letter = erb_template1.result(binding)
                        save_letters(id,form_letter)
              end

              check_file("form_charts.erb", remote_url)
              template_charts = File.read("required_files/form_charts.erb")
                erb_template2 = ERB.new template_charts
              form_charts = erb_template2.result(binding)
              save_registration_statistics(form_charts)
              FileUtils.rm_rf('required_files')
              puts "Ended. Check the output folder."
      else
              puts "Error loading input data file! File not found."
        end
end

# File lib/event_manager.rb, line 69
def save_letters(id, form_letter)
        Dir.mkdir("output") unless Dir.exists?("output")

        filename = "output/thanks_#{id}.html"

        File.open(filename,'w') do |file|
             file.puts form_letter
        end
end

# File lib/event_manager.rb, line 79
def save_registration_statistics(form_charts)
        Dir.mkdir("output") unless Dir.exists?("output")

        filename = "output/registration_statistics.html"

        File.open(filename,'w') do |file|
             file.puts form_charts
        end
end