module Habuco

# File lib/habuco.rb, line 41
def self.included(base)
  base.extend(ClassMethods)
end

# File lib/habuco.rb, line 47
def initialize(context = {})
  @context = OpenStruct.new(context)
end

# File lib/habuco.rb, line 51
def build
  {}.tap do |data|
    perform_each_definitions
    perform_attribute_definitions(data)
  end
end

# File lib/habuco.rb, line 68
def perform_attribute_definitions(data)
  self.class.attribute_definitions.each do |key, definition|
    val = definition.value
    d = definition.namespace.inject(data) { |h, k| h[k] ||= {} }
    k = key.respond_to?(:call) ? context.instance_exec(&key) : key
    d[k] = val.respond_to?(:call) ? context.instance_exec(&val) : val
  end
end

# File lib/habuco.rb, line 60
def perform_each_definitions
  self.class.each_definitions.each do |_key, definition|
    values = definition.values
    block = definition.block
    context.instance_exec(&values).each_with_index(&block)
  end
end