module Sinatra
  module CommandsCreateContact

    # ------------------------------------------------------------------------
    # =>   MAPS THE CURRENT EVENT TO AN ACTION
    # ------------------------------------------------------------------------

    def create_contact client, event

      puts event
      puts "Formatted Text: #{event.formatted_text}"

      return if event.formatted_text.nil?

      is_admin = is_admin_or_owner client, event

      # Hi Commands
      if ["hi", "hey", "hello"].any? { |a| event.formatted_text.starts_with? a }   
        client.chat_postMessage(channel: event.channel, text: "I'm Alfred, your personal contact management bot. I monitor activity in your email account etanproject.org@gmail.com and keep track of all your important contacts.", as_user: true)  
        client.chat_postMessage(channel: event.channel, text: "What would you like to do first? Type `add`, `view`, or `help` for more options.", as_user: true)
        return true

      # Add New Commands 
      elsif event.formatted_text == "add"
        client.chat_postMessage(channel: event.channel, text: "Who would you like to add? Type `add` and then the First and Last name.", as_user: true)

        return true
        
      elsif event.formatted_text.starts_with? "add"
        contact_name = event.formatted_text.gsub( "add", "" ).strip
        contact = Contact.create(team_id: event.team_id, name: contact_name )
        contact.save

        client.chat_postMessage(channel: event.channel, text: "I've added _#{ contact.name }_ for you. ", as_user: true)
        client.chat_postMessage(channel: event.channel, text: "What is _#{ contact.name }_'s gender? Are the a `male` or a `female`. ", as_user: true)
        client.chat_postMessage(channel: event.channel, text: "You can type `skip` at any point to `skip`.", as_user: true)
        return true

      # Gender Commands  
      elsif event.formatted_text.starts_with? "male"

        contact = Contact.all.last
        contact.gender = "male"
        contact.save!

        client.chat_postMessage(channel: event.channel, text: "So _#{ contact.name }_ is a man. I've updated that. ", as_user: true)
        client.chat_postMessage(channel: event.channel, text: "What is his email? ", as_user: true)

        return true
      
      # References user's gender for proper pronoun usage.
      elsif event.formatted_text.starts_with? "female"

        contact = Contact.all.last
        contact.gender = "female"
        contact.save!

        client.chat_postMessage(channel: event.channel, text: "So _#{ contact.name }_ is a woman. I've updated that. ", as_user: true)
        client.chat_postMessage(channel: event.channel, text: "What is her email? ", as_user: true)

        return true
        
      # Email Commands     
      # Uses the is_email_address validation method defined below.
      elsif is_email_address event.formatted_text

        contact = Contact.all.last
        contact.email = event.formatted_text
        contact.save!

        client.chat_postMessage(channel: event.channel, text: "I've associated the email `#{contact.email}` with _#{ contact.name }_. ", as_user: true)
        
        if contact.gender == "male"
          client.chat_postMessage(channel: event.channel, text: "What's his phone number? Type `phone` followed by the 10 digit number (numbers only, no `-` or `( )`).", as_user: true)
        else
          client.chat_postMessage(channel: event.channel, text: "What's her phone number? Type `phone` followed by the 10 digit number (numbers only, no `-` or `( )`).", as_user: true)
        end
        return true

        # Phone Commands 
        elsif event.formatted_text.starts_with? "phone"
          contact_number = event.formatted_text.gsub( "phone", "" ).strip  
          
          contact = Contact.all.last
          contact.phone = contact_number.to_i
          contact.save!
          client.chat_postMessage(channel: event.channel, text: "I've updated _#{ contact.name }_'s phone number as #{contact.phone}.", as_user: true)
          client.chat_postMessage(channel: event.channel, text: "What would you like to do next? To view your contacts, type `view`. To add another contact, type `add` and then the first and last name.", as_user: true)
          return true
          
        elsif event.formatted_text.starts_with? "skip"
          contact = Contact.all.last
          client.chat_postMessage(channel: event.channel, text: "Let's speed things up a bit.", as_user: true)
          client.chat_postMessage(channel: event.channel, text: "To update #{ contact.name }'s gender, type `male` or `female`", as_user: true)
          client.chat_postMessage(channel: event.channel, text: "To update #{ contact.name }'s email, simple type their email address.", as_user: true)
          client.chat_postMessage(channel: event.channel, text: "To update #{ contact.name }'s phone number, simple type `phone` followed by the 10 digit number (numbers only, no `-` or `( )`).", as_user: true)
          return true
      
      else
        client.chat_postMessage(channel: event.channel, text: "Terribly sorry, 'ol chap. I don't understand the youth these days. Type `help` and we'll get this sorted out.", as_user: true)
       return true
      end

    end



    # ------------------------------------------------------------------------
    # =>   GETS USEFUL INFO FROM SLACK
    # ------------------------------------------------------------------------

    # NOTE: I made an attempt to validate the phone number using a variety of gem files and regex codes, but so far I haven't been able to get it to work.
    
    # def is_phone_number int
    #   return int.match( ((\(\d{3}\) ?)|(\d{3}-))?\d{3}-\d{4} )
    # end
  
    #Email validation using regex
    def is_email_address str
      return str.match(/[a-zA-Z0-9._%]@(?:[a-zA-Z0-9]+\.)[a-zA-Z]{2,4}/)
    end


    def get_user_name client, event
      # calls users_info on slack
      info = client.users_info(user: event.user_id )
      info['user']['name']
    end

    def is_admin_or_owner client, event
      # calls users_info on slack
      info = client.users_info(user: event.user_id )
      info['user']['is_admin'] || info['user']['is_owner']
    end

  end

end