module Mailboxer
  module Models
    module Messageable # :nodoc:
      included do
        class Mailboxer::Message
          has_many :message_attachments
          attr_accessible :message_attachments
        end
      end

      def send_message_mult_attach(recipients, msg_body,
                                   subject, sanitize_text = true,
                                   attachments = nil,
                                   message_timestamp = Time.now)
        convo = build_convo(subject, message_timestamp)
        message = build_message(convo, recipients,
                                msg_body, subject,
                                message_timestamp)
        attach_files(attachments, message)
        message.deliver false, sanitize_text
      end

      def reply(conversation, recipients, reply_body, 
                              subject=nil, sanitize_text=true, 
                              attachment=nil)
        subject = subject || "#{conversation.subject}"
        build_message(conversation, recipients,
                                reply_body, subject,
                                message_timestamp = Time.now)
      end

      def reply_to_sender_mult_attach(receipt, reply_body,  
                                      subject = nil, sanitize_text = true, 
                                      attachments = nil)
        message = reply(receipt.conversation, receipt.message.sender, reply_body, subject, sanitize_text)
        attach_files(attachments, message)
        message.deliver false, sanitize_text
      end

      def build_convo(subject, message_timestamp)
        ::Mailboxer::ConversationBuilder.new(
          subject: subject,
          created_at: message_timestamp,
          updated_at: message_timestamp
        ).build
      end

      def build_message(convo, recipients, msg_body, subject, message_timestamp)
        ::Mailboxer::MessageBuilder.new(
          sender: self,
          conversation: convo,
          recipients: recipients,
          body: msg_body,
          subject: subject,
          created_at: message_timestamp,
          updated_at: message_timestamp
        ).build
      end

      def attach_files(attachments, message)
        return if attachments.blank?
        attachments.each do |m|
          message.message_attachments << MessageAttachment.new(file: m[:file])
        end
      end
    end
  end
end