#! /usr/bin/env ruby
require 'sisimai'
v = Sisimai.rise('/path/to/mbox')       # or path to Maildir/

# In v4.23.0, the rise() and dump() methods of the Sisimai class can now read the entire bounce
# email as a string, in addition to the PATH to the email file or mailbox.
f = File.open('/path/to/mbox', 'r');    # or path to Maildir/
v = Sisimai.rise(f.read)

# If you also need analysis results that are "delivered" (successfully delivered), please specify
# the "delivered" option to the rise() method as shown below.
v = Sisimai.rise('/path/to/mbox', delivered: true)

# From v5.0.0, Sisimai no longer returns analysis results with a bounce reason of "vacation" by
# default. If you also need analysis results that show a "vacation" reason, please specify the
# "vacation" option to the rise() method as shown in the following code.
v = Sisimai.rise('/path/to/mbox', vacation: true );

if v.is_a? Array
  v.each do |e|
    puts e.class                # Sisimai::Fact
    puts e.recipient.class      # Sisimai::Address
    puts e.timestamp.class      # Sisimai::Time

    puts e.addresser.address    # "michitsuna@example.org" # From
    puts e.recipient.address    # "kijitora@example.jp"    # To
    puts e.recipient.host       # "example.jp"
    puts e.deliverystatus       # "5.1.1"
    puts e.replycode            # "550"
    puts e.reason               # "userunknown"
    puts e.origin               # "/var/spool/bounce/Maildir/new/1740074341.eml"
    puts e.hardbounce           # true

    h = e.damn                  # Convert to HASH
    j = e.dump('json')          # Convert to JSON string
    puts e.dump('json')         # JSON formatted bounce data
  end
end

# Get JSON string from path of a mailbox or a Maildir/
puts Sisimai.dump('/path/to/mbox')  # or path to Maildir/

# dump() method also accepts "delivered" and "vacation" option like the following code:
puts Sisimai.dump('/path/to/mbox', delivered: true, vacation: true)

#! /usr/bin/env ruby
require 'sisimai'
code = lambda do |args|
  head = args['headers']    # (*Hash)  Email headers
  body = args['message']    # (String) Message body
  adds = { 'x-mailer' => '', 'queue-id' => '' }

  if cv = body.match(/^X-Postfix-Queue-ID:\s*(.+)$/)
    adds['queue-id'] = cv[1]
  end
  r['x-mailer'] = head['x-mailer'] || ''
  return adds
end

data = Sisimai.rise('/path/to/mbox', c___: [code, nil])
json = Sisimai.dump('/path/to/mbox', c___: [code, nil])

puts data[0].catch['x-mailer']  # "Apple Mail (2.1283)"
puts data[0].catch['queue-id']  # "43f4KX6WR7z1xcMG"

path = '/path/to/maildir'
code = lambda do |args|
  kind = args['kind']   # (String) Sisimai::Mail.kind
  mail = args['mail']   # (String) Entire email message
  path = args['path']   # (String) Sisimai::Mail.path
  fact = args['fact']   # (Array)  List of Sisimai::Fact

  fact.each do |e|
    # Store custom information in the "catch" accessor
    e.catch ||= {}
    e.catch['size'] = mail.size
    e.catch['kind'] = kind.capitalize

    if cv = mail.match(/^Return-Path: (.+)$/)
      # Return-Path: <MAILER-DAEMON>
      e.catch['return-path'] = cv[1]
    end
    e.catch['parsedat'] = Time.new.localtime.to_s

    # Save the original email with an additional "X-Sisimai-Parsed:" header to a different PATH.
    a = sprintf("X-Sisimai-Parsed: %d", fact.size)
    p = sprintf("/path/to/another/directory/sisimai-%s.eml", e.token)
    v = mail.sub(/^(From:.+?)$/, '\1' + "\n" + a)
    f = File.open(p, 'w:UTF-8')
    f.write(v)
    f.close

    # Remove the email file in Maildir/ after decoding
    File.delete(path) if kind == 'maildir'

    # Need to not return a value
  end
end

list = Sisimai.rise(path, c___: [nil, code])

puts list[0].catch['size']          # 2202
puts list[0].catch['kind']          # "Maildir"
puts list[0].catch['return-path']   # "<MAILER-DAEMON>"