module Coco
  module App
    module Elements
      class ImagePickerButton < Coco::Component
        include Concerns::WithDropdownOptions
        include Concerns::WrapsComponent
        include Coco::AppHelper

        wraps_component :button do |args|
          Coco::App::Elements::Button.new(icon: :image_plus, **args)
        end

        renders_one :text, Coco::Content

        renders_one :picker, ->(picker = nil, **kwargs, &block) do
          if picker.is_a?(Coco::App::Elements::ImagePicker)
            picker
          else
            picker&.to_s.presence || Coco::App::Elements::ImagePicker.new(
              size: @size,
              resize: @resize,
              src: @src,
              **kwargs
            )
          end
        end

        before_render do
          with_picker(src: @src) unless picker?
        end

        attr_reader :src, :input_name

        def initialize(src: nil, input_name: nil, form_builder: nil, direct_upload: false, **kwargs)
          @src = src
          @form_builder = form_builder
          @input_name = input_name
          @direct_upload = direct_upload

          @size = kwargs.fetch(:size, :default)&.to_sym
          if @size.in?(Coco::App::Elements::Button::SIZE_ALIASES.keys) && !kwargs.key?(:resize)
            @size, @resize = Coco::App::Elements::Button::SIZE_ALIASES.fetch(@size)
          end
        end

        def direct_upload?
          @direct_upload
        end

        def alpine_props
          {
            image: {
              name: (src.present? && File.basename(src)),
              data: src
            }
          }
        end

        def input
          if input_name
            kwargs = {
              class: "picker-file-input",
              "x-ref": "fileInput",
              direct_upload: @direct_upload
            }

            if direct_upload? && !helpers.respond_to?(:rails_direct_uploads_url)
              kwargs[:data] = {direct_upload_url: @direct_upload}
            end

            if @form_builder
              @form_builder.file_field(input_name, **kwargs)
            else
              file_field_tag(input_name, **kwargs)
            end
          end
        end

        def button_text
          text || content
        end
      end
    end
  end
end