# -*- encoding: utf-8 -*-
# -*- frozen_string_literal: true -*-
# -*- warn_indent: true -*-

module RailsBootstrapForm
  module Helpers
    module Choice
      extend ActiveSupport::Concern

      def self.included(base_class)
        [:check_box, :radio_button].each do |tag_name|
          define_method("#{tag_name}_label") do |attribute, value, options, bootstrap|
            unless bootstrap.skip_label?
              label_options = {
                class: choice_label_classes(attribute, bootstrap, options)
              }
              label_options[:value] = value if tag_name.eql?(:radio_button)
              label_options[:for] = options[:id] if options[:id].present?

              label_text = label_text(attribute, bootstrap)

              label(attribute, label_text, label_options)
            end
          end
        end

        [:check_box, :radio_button].each do |tag_name|
          define_method("bootstrap_#{tag_name}") do |attribute, value, options, bootstrap|
            options[:class] = choice_classes(attribute, bootstrap, options)

            if tag_name.eql?(:check_box)
              choice_field = check_box_without_bootstrap(attribute, options, value, nil)
              choice_label = check_box_label(attribute, value, options, bootstrap)
            else
              choice_field = radio_button_without_bootstrap(attribute, value, options)
              choice_label = radio_button_label(attribute, value, options, bootstrap)
            end

            choice_field + choice_label
          end
        end

        def choice_classes(attribute, bootstrap, options)
          classes = Array("form-check-input") << [bootstrap.additional_field_class || options[:class]]
          classes << "is-invalid" if is_invalid?(attribute)
          classes.flatten.compact
        end

        def choice_label_classes(attribute, bootstrap, options)
          classes = Array("form-check-label") << bootstrap.additional_label_class
          classes << "required" if is_field_required?(attribute, options)
          classes << "is-invalid" if is_invalid?(attribute)
          classes << bootstrap.hide_class if bootstrap.hide_label?
          classes.flatten.compact
        end

        def choice_container_classes(bootstrap)
          classes = Array(bootstrap.field_col_wrapper_class)
          classes << field_offset_class(bootstrap.label_col_wrapper_class)
          classes.flatten.compact
        end

        def choice_wrapper_classes(bootstrap)
          classes = Array("form-check")
          classes << "form-check-inline" if bootstrap.inline?
          classes << "form-switch" if bootstrap.switch?
          classes.flatten.compact
        end

        def collection_input_checked?(checked, obj, input_value)
          checked == input_value || Array(checked).try(:include?, input_value) ||
            checked == obj || Array(checked).try(:include?, obj)
        end

        private :choice_classes, :choice_label_classes,
                :choice_container_classes, :choice_wrapper_classes,
                :check_box_label, :radio_button_label,
                :bootstrap_check_box, :bootstrap_radio_button,
                :collection_input_checked?
      end
    end
  end
end