class Riffer::Messages::Base

# File lib/riffer/messages/base.rb, line 9
def self.from_hash(msg)
  return msg if msg.is_a?(Riffer::Messages::Base)

  raise Riffer::ArgumentError, "Message hash must include a 'role' key" if msg[:role].nil? || msg[:role].empty?

  case msg[:role].to_sym
  when :user then Riffer::Messages::User.from_hash(msg)
  when :assistant then Riffer::Messages::Assistant.from_hash(msg)
  when :system then Riffer::Messages::System.from_hash(msg)
  when :tool then Riffer::Messages::Tool.from_hash(msg)
  else raise Riffer::ArgumentError, "Unknown message role: #{msg[:role]}"
  end
end

# File lib/riffer/messages/base.rb, line 29
def initialize(content, id: nil)
  @content = content
  @id = id || generate_id
end

# File lib/riffer/messages/base.rb, line 56
def +(other)
  raise NotImplementedError, "Subclasses must implement #+"
end

# File lib/riffer/messages/base.rb, line 50
def has_tool_calls?
  false
end

# File lib/riffer/messages/base.rb, line 44
def role
  raise NotImplementedError, "Subclasses must implement #role"
end

# File lib/riffer/messages/base.rb, line 36
def to_h
  hash = { role: role, content: content }
  hash[:id] = id if id
  hash
end