require 'delegate'

class Decorator < SimpleDelegator
  def class
    __getobj__.class
  end
end

class FormConfigurableAgentPresenter < Decorator
  def initialize(agent, view)
    @agent = agent
    @view = view
    super(agent)
  end

  def option_field_for(attribute)
    data = @agent.form_configurable_fields[attribute]
    value = @agent.options[attribute.to_s] || @agent.default_options[attribute.to_s]
    html_options = data.fetch(:html_options, {}).deep_merge({
      role: (data[:roles] + ['form-configurable']).join(' '),
      data: { attribute: },
    })

    case data[:type]
    when :text
      @view.content_tag 'div' do
        @view.concat @view.text_area_tag("agent[options][#{attribute}]", value,
                                         html_options.merge(class: 'form-control', rows: 3))
        if data[:ace].present?
          ace_options = { source: "[name='agent[options][#{attribute}]']", mode: '', theme: '' }.deep_symbolize_keys!
          ace_options.deep_merge!(data[:ace].deep_symbolize_keys) if data[:ace].is_a?(Hash)
          @view.concat @view.content_tag('div', '', class: 'ace-editor', data: ace_options)
        end
      end
    when :boolean
      @view.content_tag 'div' do
        @view.concat(@view.content_tag('label', class: 'radio-inline') do
          @view.concat @view.radio_button_tag "agent[options][#{attribute}_radio]", 'true',
                                              @agent.send(:boolify, value) == true, html_options
          @view.concat "True"
        end)
        @view.concat(@view.content_tag('label', class: 'radio-inline') do
          @view.concat @view.radio_button_tag "agent[options][#{attribute}_radio]", 'false',
                                              @agent.send(:boolify, value) == false, html_options
          @view.concat "False"
        end)
        @view.concat(@view.content_tag('label', class: 'radio-inline') do
          @view.concat @view.radio_button_tag "agent[options][#{attribute}_radio]", 'manual',
                                              @agent.send(:boolify, value).nil?, html_options
          @view.concat "Manual Input"
        end)
        @view.concat(@view.text_field_tag("agent[options][#{attribute}]", value,
                                          html_options.merge(class: "form-control #{@agent.send(:boolify, value) != nil ? 'hidden' : ''}")))
      end
    when :array
      @view.select_tag "agent[options][#{attribute}]", nil,
                       html_options.deep_merge(class: 'form-control',
                                               data: { value:, cache_response: data[:cache_response] != false })
    when :string
      @view.text_field_tag "agent[options][#{attribute}]", value,
                           html_options.deep_merge(class: 'form-control', data: { cache_response: data[:cache_response] != false })
    when :number
      @view.number_field_tag "agent[options][#{attribute}]", value,
                             html_options.deep_merge(class: 'form-control', data: { cache_response: data[:cache_response] != false })
    when :json
      @view.text_area_tag "agent[options][#{attribute}]", value,
                          html_options.deep_merge(class: 'form-control live-json-editor', rows: 10)
    end
  end
end