module CmAdmin::ViewHelpers::FieldDisplayHelper

def find_field_name(field, association_name)
  field.field_name.each do |hash|
    return hash[association_name.to_sym] if hash.has_key?(association_name.to_sym)
  end
end

def show_attachment_value(ar_object, field)
  if ar_object.send(field.field_name).attached?
    if ar_object.send(field.field_name).class.name.include?('One')
      content_tag :a, href: rails_blob_path(ar_object.send(field.field_name), disposition: "attachment") do
        ar_object.send(field.field_name).filename.to_s
      end
    elsif ar_object.send(field.field_name).class.name.include?('Many')
      ar_object.send(field.field_name).map do |asset|
        content_tag :a, href: rails_blob_path(asset, disposition: "attachment") do
          asset.filename.to_s
        end
      end.join("\n").html_safe
    end
  end
end

def show_field(ar_object, field)
  return unless field.display_if.call(ar_object)
  content_tag(:div, class: "info-split") do
    concat show_field_label(ar_object, field)
    concat value_with_prefix_and_suffix(ar_object, field)
  end
end

def show_field_label(ar_object, field)
  content_tag(:div, class: "info-split__lhs") do
    field_label = if field.label.present?
                    field.label.to_s
                  elsif field.association_type.to_s == "polymorphic"
                    ar_object.send(field.association_name).class.to_s.titleize
                  else
                    field.field_name.to_s.titleize
                  end
    p = field_label
  end
end

def show_field_value(ar_object, field)
  case field.field_type || :string
  when :integer
    ar_object.send(field.field_name).to_s
  when :decimal
    ar_object.send(field.field_name).to_f.round(field.precision).to_s if ar_object.send(field.field_name)
  when :string
    ar_object.send(field.field_name).to_s
  when :datetime
    self.extend LocalTimeHelper
    local_time(ar_object.send(field.field_name).strftime(field.format || "%d/%m/%Y").to_s) if ar_object.send(field.field_name)
  when :date
    self.extend LocalTimeHelper
    local_date(ar_object.send(field.field_name), (field.format || '%B %e, %Y'))
  when :text
    ar_object.send(field.field_name)
  when :custom
    send(field.helper_method, ar_object, field.field_name)
  when :link
    if field.custom_link
      link = field.custom_link
    else
      link = ar_object.send(field.field_name)
    end
    content_tag :a, href: link do
      ar_object.send(field.field_name).to_s
    end
  when :enum
    ar_object.send(field.field_name).to_s.titleize
  when :tag
    tag_class = field.tag_class.dig("#{ar_object.send(field.field_name.to_s)}".to_sym).to_s
    content_tag :span, class: "status-tag #{tag_class}" do
      ar_object.send(field.field_name).to_s.upcase
    end
  when :attachment
    show_attachment_value(ar_object, field)
  when :drawer
    content_tag :div, class: 'd-flex' do
      concat content_tag(:div, ar_object.send(field.field_name).to_s, class: 'text-ellipsis')
      concat content_tag(:div, 'View', class: 'drawer-btn')
    end
  when :image
    content_tag(:div, class: 'd-flex') do
      if ar_object.send(field.field_name).attached?
        image_tag(ar_object.send(field.field_name).url, height: field.height, width: field.height)
      else
        image_tag('https://cm-admin.s3.ap-south-1.amazonaws.com/gem_static_assets/image_not_available.png', height: 50, width: 50)
      end
    end
  when :association
    if field.association_type.to_s == 'polymorphic'
      association_name = ar_object.send(field.association_name).class.to_s.underscore
      field_name = find_field_name(field, association_name)
      link_to ar_object.send(field.association_name).send(field_name), cm_admin.send("#{association_name}_show_path", ar_object.send(field.association_name).id)
    elsif ['belongs_to', 'has_one'].include? field.association_type.to_s
      link_to ar_object.send(field.association_name).send(field.field_name), cm_admin.send("#{field.association_name}_show_path", ar_object.send(field.association_name).id)
    end
  end
end

def value_with_prefix_and_suffix(ar_object, field)
  value = show_field_value(ar_object, field)
  content_tag(:div, class: "info-split__rhs") do
    concat field.prefix
    concat value
    concat field.suffix
  end
end