ActiveAdmin.register WarpEngine::Software, as: "Software" do
  permit_params :name, :title, :author, :desc, :story,
                :license, :platform, :status, :highlighted,
                software_images_attributes: [ :id, :image_id, :is_default, :position, :file_upload, :_destroy ],
                external_links_attributes: [ :id, :label, :url, :_destroy ],
                releases_attributes: [ :id, :version, :_destroy,
                                       { release_assets_attributes: [ :id, :kind, :path, :_destroy ] } ]

  menu priority: 2, label: "🎮 Softwares"

  actions :all, except: [ :edit ]

  config.sort_order = "title_asc"

  index do
    selectable_column
    id_column
    column :name do |sw|
      link_to sw.name, admin_software_path(sw)
    end
    column :title
    column :platform
    column :status do |sw|
      status_tag sw.status
    end
    column :highlighted
    column(:releases) { |sw| sw.releases.size }
    column(:image) do |sw|
      si = sw.software_images.detect(&:is_default?) || sw.software_images.first
      if si&.image && File.exist?(si.image.file_path)
        image_tag "/api/image/#{si.image_id}", style: "max-height:40px;max-width:80px;object-fit:contain;"
      end
    end
    column :created_at
    actions
  end

  filter :name
  filter :title
  filter :author
  filter :platform, as: :select, collection: %w[tic80 ebitengine love c64 godot bevy phaser]
  filter :status,   as: :select, collection: %w[development demo released archived]
  filter :highlighted

  sidebar "Quick Links", only: :show, priority: 0 do
    site_url = ENV.fetch("SITE_URL", "https://teletypegames.org")
    catalog_url = "#{site_url}/catalog/#{resource.name}"

    div style: "margin-bottom:8px;" do
      a href: catalog_url, target: "_blank", style: "display:inline-flex;align-items:center;gap:6px;font-weight:bold;color:#5850ec;" do
        span "🌐", style: "font-size:16px;"
        text_node "View on site"
      end
    end
  end

  sidebar "Download Statistics", only: :show do
    sw = resource
    total = WarpEngine::Download.joins(:release).where(releases: { software_id: sw.id }).count

    div style: "margin-bottom:12px;" do
      strong "Total downloads: "
      span total.to_s, style: "font-size:18px;font-weight:bold;"
    end

    sw.releases.each do |rel|
      file_stats = WarpEngine::Download.where(release_id: rel.id)
                           .group(:file_path)
                           .select("file_path, COUNT(*) as dl_count, MAX(created_at) as last_dl")
                           .order("dl_count DESC")
      rel_total = file_stats.sum(&:dl_count)

      div style: "margin-bottom:16px;" do
        h4 do
          link_to "v#{rel.version}", admin_software_release_path(sw, rel)
          span " (#{rel_total})", style: "color:#666;"
        end
        if file_stats.any?
          table_for file_stats do
            column("File") { |row| span row.file_path.split("/").last, style: "font-family:monospace;font-size:11px;" }
            column("DL") { |row| row.dl_count }
            column("Last") { |row| row.last_dl&.strftime("%m-%d") }
          end
        else
          para "No downloads", style: "color:#999;font-style:italic;"
        end
      end
    end
  end

  show title: proc { |sw| sw.title } do
    active_admin_form_for [ :admin, resource ], url: admin_software_path(resource), html: { method: :put, multipart: true } do |f|
      f.inputs "Details" do
        f.input :name
        f.input :title
        f.input :author
        f.input :platform, as: :select, collection: %w[tic80 ebitengine love c64 godot bevy phaser]
        f.input :status,   as: :select, collection: %w[development demo released archived]
        f.input :highlighted
        f.input :license
        f.input :desc,  as: :text, input_html: { rows: 4 }
        f.input :story, as: :text, input_html: { rows: 8 }
      end

      f.inputs "Images" do
        f.has_many :software_images, allow_destroy: true, new_record: true do |si|
          img_hint = if si.object.image_id.present?
            si.template.image_tag("/api/image/#{si.object.image_id}", style: "max-height:80px;max-width:160px;object-fit:contain;margin-top:6px;").html_safe
          end
          si.input :image_id, as: :select, label: "Image",
                   collection: WarpEngine::Image.order(:original_filename).map { |img| [ img.original_filename, img.id ] },
                   include_blank: "— select —",
                   hint: img_hint
          si.input :file_upload, as: :file, label: "Upload new image"
          si.input :is_default, as: :boolean
          si.input :position, as: :number, input_html: { min: 0 }
        end
      end

      f.inputs "External Links" do
        f.has_many :external_links, allow_destroy: true, new_record: true do |el|
          el.input :label
          el.input :url
        end
      end

      f.inputs "Releases" do
        f.has_many :releases, allow_destroy: true, new_record: true do |r|
          r.input :version
          r.has_many :release_assets, allow_destroy: true, new_record: true do |ra|
            ra.input :kind, as: :select, collection: WarpEngine::ReleaseAsset::KINDS, include_blank: false
            ra.input :path
          end
        end
      end

      f.actions
    end
  end

  controller do
    def scoped_collection
      super.includes({ releases: :release_assets }, software_images: :image)
    end

    def find_resource
      scoped_collection.find(params[:id])
    end
  end
end