class ASF::Member

# File lib/whimsy/asf/member.rb, line 63
def self._entry_status(entry)
  status = entry['status']
  case status
  when nil
    :current
  when %r{^Emeritus }
    :emeritus
  when %r{^Deceased }
    :deceased
  else
    raise "Unexpected status: #{status.inspect} for #{id}"
  end
end

# File lib/whimsy/asf/member.rb, line 132
def self.current
  self.list.keys - self.status.keys
end

# File lib/whimsy/asf/member.rb, line 127
def self.deceased
  status.select {|_k, v| v.start_with? 'Deceased'}.keys
end

# File lib/whimsy/asf/member.rb, line 23
def self.each(&block)
  new.each(&block)
end

# File lib/whimsy/asf/member.rb, line 243
def self.emails(text)
  # RE looks for optional continuation lines starting with spaces followed by nonspaces followed by '@'
  text.to_s.scan(/Email: (.*(?:\n\s+\S+@.*)*)/).flatten.
    join(' ').split(/\s+/).grep(/@/)
end

# File lib/whimsy/asf/member.rb, line 122
def self.emeritus
  status.select {|_k, v| v.start_with? 'Emeritus'}.keys
end

# File lib/whimsy/asf/member.rb, line 237
def self.find(id)
  each {|availid| return true if availid == id}
  return false
end

# File lib/whimsy/asf/member.rb, line 86
def self.find_by_email(value)
  value = value.downcase
  each do |id, text|
    emails(text).each do |email|
      return Person.find(id) if email.downcase == value
    end
  end
  nil
end

# File lib/whimsy/asf/member.rb, line 15
def self.find_text_by_id(value)
  new.each do |id, text|
    return text if id == value
  end
  nil
end

# File lib/whimsy/asf/member.rb, line 28
def self.get_name(txt)
  txt[/(.*?)\n/, 1].sub(/\s+\/\*.*/, '')
end

# File lib/whimsy/asf/member.rb, line 137
def self.key2sym(key)
  Symbol === key ? key.downcase : key.gsub(%r{[^a-zA-Z0-9]}, '_').downcase.to_sym
end

# File lib/whimsy/asf/member.rb, line 36
def self.list
  result = Hash[self.new.map {|id, text|
    [id, {text: text, name: self.get_name(text)}]
  }]

  self.status.each do |name, value|
    result[name]['status'] = value
  end

  result
end

# File lib/whimsy/asf/member.rb, line 183
def self.list_entries(keys_wanted=nil, raw=false, &block)
  Enumerator.new do |y|
  # split by heading underlines; drop text before first
  ASF::Member.text.split("\n").slice_before {|a| a.start_with? '================'}.drop(1).each_with_index do |sect, index|
    status = nil
    # assume the sections remain in the original order
    case index
    when 0
      status = :current
    when 1
      status = :emeritus
    when 2
      status = :other
    when 3
      status = :deceased
    else
      raise ArgumentError, "Unexpected section #{index} #{sect[1..2]}"
    end
    if status
      sect.pop unless status == :deceased # drop next section name (except at the end)
      # extract the entries, dropping the leading text
      sect.slice_before {|a| a.start_with? ' *)'}.drop(1).each do |entry|
        # we always want the name
        name = entry.first[4..-1].sub(%r{ +/\*.+}, '') # skip ' *) '; drop comment
        ids = []
        entry.each {|e| ids << $1 if e =~ %r{^ +Avail ID: *(\S+)}}
        if ids.length > 1
          Wunderbar.error "Duplicate ids: #{ids} in #{name} entry"
        end
        if keys_wanted
          y.yield [status, name, ids.first, entry, self.parse_entry(entry, keys_wanted, raw)]
        else
          y.yield [status, name, ids.first, entry]
        end
      end
    else # can this happen?
      raise ArgumentError, 'Unexpected section with nil status!'
    end
  end
  end.each(&block)
end

# File lib/whimsy/asf/member.rb, line 340
def self.make_entry(fields={})
  fullname = fields[:fullname] or raise ArgumentError.new(':fullname is required')
  address = fields[:address] || '<postal address>'
  availid = fields[:availid] or raise ArgumentError.new(':availid is required')
  email = fields[:email] || "#{availid}@apache.org"
  country = fields[:country] || '<Country>'
  tele = fields[:tele] || '<phone number>'
  fax = fields[:fax] || ''
  [
    fullname, # will be prefixed by ' *) '
    # Each line of address is indented
    (address.gsub(/^/, '    ').gsub(/\r/, '') unless address.empty?),
    ("    #{country}"     unless country.empty?),
    ("    Email: #{email}" unless email.empty?),
    ("      Tel: #{tele}" unless tele.empty?),
    ("      Fax: #{fax}"  unless fax.empty?),
    ' Forms on File: ASF Membership Application',
    " Avail ID: #{availid}"
  ].compact.join("\n") + "\n"
end

# File lib/whimsy/asf/member.rb, line 53
def self.member_status(id)
  entry = list[id]
  return nil if entry.nil?
  _entry_status(entry)
end

# File lib/whimsy/asf/member.rb, line 81
def self.member_statuses
  self.list.map { |id, v| [id, self._entry_status(v)]}.to_h
end

# File lib/whimsy/asf/member.rb, line 10
def self.mtime
  @@mtime
end

# File lib/whimsy/asf/member.rb, line 306
def self.normalize(text)
  text = ASF::Member.sort(text)
  pattern = /^Active.*?^=+\n+(.*?)^Emeritus/m
  text[/We now number (\d+) active members\./, 1] =
    text[pattern].scan(/^\s\*\)\s/).length.to_s
  text
end

# File lib/whimsy/asf/member.rb, line 147
def self.parse_entry(entry, keys_wanted=nil, raw=false)
  if keys_wanted.nil?
    keys_wanted = %i{email}
  end
# init array to collect matching key values, even if repeated
  dict = keys_wanted.map{|k| [k,[]]}.to_h
  current_entry = nil
  entry.each do |line|
    if line =~ %r{^ +([^:]+): *(.*)}
      value = $2.strip # must be done first otherwise $2 is clobbered
      key = key2sym($1)
      if keys_wanted.include? key
        current_entry = dict[key]
        current_entry << value
      else
        current_entry = nil # new key, and not wanted
      end
    elsif current_entry and line.start_with? '    ' # needs to be indented at least this much to be a continuation line
      value = line.strip
      current_entry << value if value.size > 0
    else
      current_entry = nil
    end
  end
  # remove comments from emails?
  unless raw
    if dict.include? :email
      dict[:email] = dict[:email].each.map {|v| v.split(' ').grep(/@/)}.flatten
    end
  end
  dict
end

# File lib/whimsy/asf/member.rb, line 257
def self.sort(source)
  # split into sections
  sections = source.split(/^([A-Z].*\n===+\n\n)/)

  # sort sections that contain names
  sections.map! do |section|
    next section unless section =~ /^\s\*\)\s/

    # split into entries, and normalize those entries
    entries = section.split(/^\s\*\)\s/)
    header = entries.shift
    entries.map! {|entry| ' *) ' + entry.strip + "\n\n"}

    # sort the entries
    entries.sort_by! do |entry|
      ASF::Person.sortable_name(entry[/\)\s(.*?)\s*(\/\*|$)/, 1])
    end

    header + entries.join
  end

  sections.join
end

# File lib/whimsy/asf/member.rb, line 101
def self.status
  begin
    @status = nil if @mtime != @@mtime
    @mtime = @@mtime
    return Hash[@status.to_a] if @status
  rescue
  end

  status = {}
  sections = ASF::Member.text.to_s.split(/(.*\n===+)/)
  sections.shift(3)
  sections.each_slice(2) do |header, text|
    header.sub!(/s\n=+/, '')
    text.scan(/Avail ID: (.*)/).flatten.each {|id| status[id] = header}
  end

  @status = WeakRef.new(status)
  status
end

# File lib/whimsy/asf/member.rb, line 251
def self.svn_change
  file = File.join(ASF::SVN['foundation'], 'members.txt')
  return Time.parse(ASF::SVN.getInfoItem(file, 'last-changed-date')).gmtime
end

# File lib/whimsy/asf/member.rb, line 284
def self.text
  foundation = ASF::SVN.find('foundation')
  return nil unless foundation

  begin
    text = @@text[0..-1] if @@text
  rescue WeakRef::RefError
    @@mtime = 0
  end

  member_file = File.join(foundation, 'members.txt')
  member_time = File.mtime(member_file)
  if member_time.to_i > @@mtime.to_i
    @@mtime = member_time
    text = File.read(member_file)
    @@text = WeakRef.new(text)
  end

  text
end

# File lib/whimsy/asf/member.rb, line 315
def self.text=(text)
  text = self.normalize(text)
  # save
  @@mtime = Time.now
  @@text = WeakRef.new(text)
end

# File lib/whimsy/asf/member.rb, line 226
def each
  ASF::Member.text.to_s.split(/^ \*\) /).each do |section|
    id = section[/Avail ID: (.*)/, 1]
    yield id, section.sub(/\n.*\n===+\s*?\n(.*\n)+.*/, '').strip if id
  end
  nil
end