class JekyllEmail

# File lib/jekyllemail.rb, line 15
def initialize(thismail)
  # empties
  @atts = {}
  body = ""
  
  # process w/ mail gem
  # thismail = Mail.read(thismail)
  
  # get the subject for validation & split to get title/secret
  @subject = thismail.subject
  (@title, @secret) = (@subject.split((/\|\|/))).collect { |x| x.strip } unless @subject.nil?

  save_attachments(thismail)

  # process the body with markdown and blanktest
  if thismail.multipart?
    body = thismail.text_part.decoded.gsub(/\n{2}/,"<br><br>").gsub(/\n{1}/,"<br>")
  else
    body = thismail.body.to_s.gsub(/\n{2}/,"<br><br>").gsub(/\n{1}/,"<br>")
  end
  body = find_links(body)
  body = find_images(body)
  body = auto_link(body)
  body = markdown(body)
  body = body.gsub(/\[\?\]/,"")
  body = body.gsub(/[\u{00A9}\u{00AE}\u{203C}\u{2049}\u{2122}\u{2139}\u{2194}-\u{2199}\u{21A9}-\u{21AA}\u{231A}-\u{231B}\u{2328}\u{23CF}\u{23E9}-\u{23F3}\u{23F8}-\u{23FA}\u{24C2}\u{25AA}-\u{25AB}\u{25B6}\u{25C0}\u{25FB}-\u{25FE}\u{2600}-\u{2604}\u{260E}\u{2611}\u{2614}-\u{2615}\u{2618}\u{261D}\u{2620}\u{2622}-\u{2623}\u{2626}\u{262A}\u{262E}-\u{262F}\u{2638}-\u{263A}\u{2648}-\u{2653}\u{2660}\u{2663}\u{2665}-\u{2666}\u{2668}\u{267B}\u{267F}\u{2692}-\u{2694}\u{2696}-\u{2697}\u{2699}\u{269B}-\u{269C}\u{26A0}-\u{26A1}\u{26AA}-\u{26AB}\u{26B0}-\u{26B1}\u{26BD}-\u{26BE}\u{26C4}-\u{26C5}\u{26C8}\u{26CE}-\u{26CF}\u{26D1}\u{26D3}-\u{26D4}\u{26E9}-\u{26EA}\u{26F0}-\u{26F5}\u{26F7}-\u{26FA}\u{26FD}\u{2702}\u{2705}\u{2708}-\u{270D}\u{270F}\u{2712}\u{2714}\u{2716}\u{271D}\u{2721}\u{2728}\u{2733}-\u{2734}\u{2744}\u{2747}\u{274C}\u{274E}\u{2753}-\u{2755}\u{2757}\u{2763}-\u{2764}\u{2795}-\u{2797}\u{27A1}\u{27B0}\u{27BF}\u{2934}-\u{2935}\u{2B05}-\u{2B07}\u{2B1B}-\u{2B1C}\u{2B50}\u{2B55}\u{3030}\u{303D}\u{3297}\u{3299}\u{1F004}\u{1F0CF}\u{1F170}-\u{1F171}\u{1F17E}-\u{1F17F}\u{1F18E}\u{1F191}-\u{1F19A}\u{1F201}-\u{1F202}\u{1F21A}\u{1F22F}\u{1F232}-\u{1F23A}\u{1F250}-\u{1F251}\u{1F300}-\u{1F321}\u{1F324}-\u{1F393}\u{1F396}-\u{1F397}\u{1F399}-\u{1F39B}\u{1F39E}-\u{1F3F0}\u{1F3F3}-\u{1F3F5}\u{1F3F7}-\u{1F4FD}\u{1F4FF}-\u{1F53D}\u{1F549}-\u{1F54E}\u{1F550}-\u{1F567}\u{1F56F}-\u{1F570}\u{1F573}-\u{1F579}\u{1F587}\u{1F58A}-\u{1F58D}\u{1F590}\u{1F595}-\u{1F596}\u{1F5A5}\u{1F5A8}\u{1F5B1}-\u{1F5B2}\u{1F5BC}\u{1F5C2}-\u{1F5C4}\u{1F5D1}-\u{1F5D3}\u{1F5DC}-\u{1F5DE}\u{1F5E1}\u{1F5E3}\u{1F5EF}\u{1F5F3}\u{1F5FA}-\u{1F64F}\u{1F680}-\u{1F6C5}\u{1F6CB}-\u{1F6D0}\u{1F6E0}-\u{1F6E5}\u{1F6E9}\u{1F6EB}-\u{1F6EC}\u{1F6F0}\u{1F6F3}\u{1F910}-\u{1F918}\u{1F980}-\u{1F984}\u{1F9C0}]/,"")
  unless body.nil?
    if blanktest(body)
      thismail.has_attachments? ? body = " " : body = ""
    end
  end
  @body = body
end

# File lib/jekyllemail.rb, line 110
def blanktest(doc)
  #strip out unicode character that gives us false blanks
  badspc = Nokogiri::HTML("​").text
  nbsp = Nokogiri::HTML(" ").text
  isblank = doc.gsub(badspc,"").gsub(nbsp,"").gsub("\ ","").gsub(/\n/,"").gsub(/\s+/,"")
  if isblank == ""
    blank = true
  else
    blank = false
  end
end

# File lib/jekyllemail.rb, line 79
def find_images(body)
  find = body.scan(/\[cid:.*?\]/)
  find.each do |cid|
    body = body.gsub(cid,"")
  end
  find = body.scan(/\#.*?\#/)
  find.each do |img|
    body = body.gsub(img,"<img src='#{img[1...-1]}' />")
  end
  body.to_s
end

# File lib/jekyllemail.rb, line 91
def find_links(body)
  find = body.scan(/\<http:.*?\>/)
  find.each do |link|
    body = body.gsub(link,"")
  end
  body.to_s
end

# File lib/jekyllemail.rb, line 100
def markdown(doc)
  doc = Nokogiri::HTML(doc)
  if doc.at("body").nil?
    doc = ""
  else
    doc = ReverseMarkdown.convert(doc.at("body").inner_html)
  end
end

# File lib/jekyllemail.rb, line 123
def save_attachments(thismail)
  if thismail.has_attachments?
    # list the attachments & save them
    thismail.attachments.each_with_index do |att,idx|
      if att.content_type.start_with?("image/")
        filename = att.filename.gsub(/[^0-9a-z. ]/i, ' ')
        filename = filename.split(" ").join("-")
        cid = att.content_id.to_s.delete("<>")
        @atts["image#{idx}".to_sym] = {filename: filename, cid: cid, content: att.body.decoded, type: att.content_type}
      end
    end
  end
end

# File lib/jekyllemail.rb, line 72
def validate_body
  if @body == ""
    puts "#{@subject}: No body text, skipping"
    raise StandardError, "No body text"
  end
end

# File lib/jekyllemail.rb, line 60
def validate_secret(opt) # parse the title for the secret
  unless @secret.nil?
    (key, @secret) = @secret.split(/:\s?/)
    @secret.strip!
  end
  if (@secret.nil? || @secret != opt)
    puts "#{@subject}: Secret incorrect, skipping"
    raise StandardError, "Secret incorrect or missing"
  end
end

# File lib/jekyllemail.rb, line 50
def validate_subject
  if @subject.nil?
    puts "No subject, skipping"
    raise StandardError, "No subject"
  else
    @title.strip
  end
end