class Danger::Violation

def <=>(other)
  types = VALID_TYPES + [:markdown]
  order = types.index(type) <=> types.index(other.type)
  return order unless order.zero?
  compare_by_file_and_line(other)
end

def ==(other)
  return false if other.nil?
  return false unless other.kind_of? self.class
  other.message == message &&
    other.sticky == sticky &&
    other.file == file &&
    other.line == line
end

def hash
  h = 1
  h = h * 31 + message.hash
  h = h * 13 + sticky.hash
  h = h * 17 + file.hash
  h * 17 + line.hash
end

def initialize(message, sticky, file = nil, line = nil, type: :warning)
  raise ArgumentError unless VALID_TYPES.include?(type)
  super(type: type, message: message, file: file, line: line)
  self.sticky = sticky
end

def to_s
  extra = []
  extra << "sticky: #{sticky}"
  extra << "file: #{file}" if file
  extra << "line: #{line}" if line
  extra << "type: #{type}"
  "Violation #{message} { #{extra.join ', '} }"
end