module CmAdmin::ViewHelpers::FieldDisplayHelper

def attachment_with_preview(attachment, field, custom_class = nil)
  content_tag :a, href: attachment.url, target: '_blank' do
    if attachment.content_type.include?('image')
      image_tag(attachment.url, height: field.height, width: field.width, class: "rounded #{custom_class}")
    else
      image_tag('https://cm-admin.s3.ap-south-1.amazonaws.com/gem_static_assets/image_not_available.png', height: 50, width: 50, class: "rounded #{custom_class}")
    end
  end
end

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 has_many_image_attached?(ar_object, field)
  ar_object.send(field.field_name).class.name.include?('Many')
end

def has_one_image_attached?(ar_object, field)
  ar_object.send(field.field_name).class.name.include?('One')
end

def show_attachment_value(ar_object, field)
  if ar_object.send(field.field_name).attached?
    if has_one_image_attached?(ar_object, field)
      content_tag :a, href: ar_object.send(field.field_name).url do
        ar_object.send(field.field_name).filename.to_s
      end
    elsif has_many_image_attached?(ar_object, field)
      ar_object.send(field.field_name).map do |asset|
        content_tag(:div) do
          content_tag :a, href: asset.url do
            asset.filename.to_s
          end
        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: "card-info") do
    concat show_field_label(ar_object, field) if field.label
    concat value_with_prefix_and_suffix(ar_object, field)
  end
end

def show_field_label(ar_object, field)
  content_tag(:div, class: "card-info__label") 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
    return unless ar_object.send(field.field_name)
    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 :rich_text
    sanitize ar_object.send(field.field_name)
  when :money
    humanized_money(ar_object.send(field.field_name))
  when :money_with_symbol
    humanized_money_with_symbol(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
    tag_class = 'neutral' if tag_class.blank?
    content_tag :span, class: "status-tag #{tag_class}" do
      ar_object.send(field.field_name).to_s.titleize.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
    attachment = ar_object.send(field.field_name)
    content_tag(:div, class: 'd-flex') do
      if attachment.attached?
        if has_one_image_attached?(ar_object, field)
          attachment_with_preview(attachment, field)
        elsif has_many_image_attached?(ar_object, field)
          attachment.map do |asset|
            attachment_with_preview(asset, field, 'mr-1')
          end.join("\n").html_safe
        end
      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))
    elsif ['belongs_to', 'has_one'].include? field.association_type.to_s
      if ar_object.send(field.association_name)
        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))
      end
    end
  end
end

def show_rows(ar_object, rows, col_size: 3)
  rows.map do |row|
    content_tag(:div, class: 'row') do
      row.row_fields.map do |field|
        next unless field.display_if.call(ar_object)
        content_tag(:div, class: "col-#{col_size}") do
          content_tag(:div, class: "card-info") do
            concat show_field_label(ar_object, field) if field.label
            concat value_with_prefix_and_suffix(ar_object, field)
          end
        end
      end.compact.join.html_safe
    end
  end.join.html_safe
end

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