class SccAccountsController < ApplicationController
  helper_method :scc_filtered_products
  before_action :find_organization
  before_action :find_resource, only: %i[show edit update destroy sync bulk_subscribe]
  before_action :find_available_gpg_keys, only: %i[new edit update create]
  include Foreman::Controller::AutoCompleteSearch

  # GET /scc_accounts
  def index
    @scc_accounts = resource_base.where(organization: @organization)
                                 .search_for(params[:search], order: params[:order])
                                 .paginate(:page => params[:page], :per_page => params[:per_page])
    # overwrite the product list with filtered products that do not include products with empty repositories
    @scc_accounts.each do |scc_account|
      scc_account.scc_products_with_repos_count = scc_account.scc_products.only_products_with_repos.count
    end
  end

  # GET /scc_accounts/new
  def new
    @scc_account = SccAccount.new
    @scc_account.organization = @organization
  end

  # POST /scc_accounts
  def create
    @scc_account = SccAccount.new(scc_account_params)
    @scc_account.save_with_logic!
    process_success
  rescue ActiveRecord::RecordInvalid
    process_error
  end

  # GET /scc_accounts/1/edit
  def edit; end

  # POST /scc_accounts/test_connection
  def test_connection
    @scc_account = SccAccount.new(scc_account_params)
    @scc_account.password = SccAccount.find_by!(id: params[:scc_account_id]).password if params[:scc_account_id].present? && scc_account_params[:password].empty?
    respond_to do |format|
      if @scc_account.test_connection
        format.json { render json: nil, status: :ok }
      else
        format.json { render json: nil, status: :not_found }
      end
    end
  end

  # PATCH/PUT /scc_accounts/1
  def update
    @scc_account.update_attributes_with_logic!(scc_account_params)
    process_success
  rescue ActiveRecord::RecordInvalid
    process_error
  end

  # DELETE /scc_accounts/1
  def destroy
    if @scc_account.destroy
      process_success
    else
      process_error
    end
  end

  # PUT /scc_accounts/1/sync
  def sync
    sync_task = ForemanTasks.async_task(::Actions::SccManager::Sync, @scc_account)
    @scc_account.update! sync_task: sync_task
    success _('Sync task started.')
  rescue ::Foreman::Exception => e
    error _('Failed to add task to queue: %s') % e.to_s
  rescue ForemanTasks::Lock::LockConflict => e
    error _('Lock on SCC account already taken: %s') % e.to_s
  ensure
    redirect_to scc_accounts_path
  end

  def bulk_subscribe
    scc_products_to_subscribe =
      @scc_account.scc_products.where(id: scc_bulk_subscribe_params[:scc_subscribe_product_ids])

    if scc_products_to_subscribe.count > 0
      ForemanTasks.async_task(::Actions::BulkAction,
                              ::Actions::SccManager::SubscribeProduct,
                              scc_products_to_subscribe)
      success _('Task to subscribe products started.')
    else
      warning _('No products selected.')
    end
  rescue ::Foreman::Exception => e
    error _('Failed to add task to queue: %s') % e.to_s
  rescue ForemanTasks::Lock::LockConflict => e
    error _('Lock on SCC account already taken: %s') % e.to_s
  ensure
    redirect_to scc_accounts_path
  end

  private

  def find_available_gpg_keys
    @scc_account ? org = @scc_account.organization : org = @organization
    @selectable_gpg_keys = ::Katello::GpgKey.where(organization: org).collect { |p| [p.name, p.id] }.unshift ['None', nil]
  end

  def find_organization
    @organization = Organization.current
    redirect_to '/select_organization?toState=' + request.path unless @organization
  end

  # Use callbacks to share common setup or constraints between actions.
  # Only allow a trusted parameter "white list" through.
  def scc_account_params
    params[:scc_account].delete(:password) if params[:scc_account][:password].blank?
    params.require(:scc_account).permit(
      :name,
      :login,
      :password,
      :base_url,
      :interval,
      :sync_date,
      :organization_id,
      :katello_gpg_key_id
    )
  end

  def scc_bulk_subscribe_params
    params.require(:scc_account).permit(:scc_subscribe_product_ids => [])
  end

  def action_permission
    case params[:action]
    when 'sync', 'test_connection'
      :sync
    when 'bulk_subscribe'
      :use
    else
      super
    end
  end

  # Function filters a product list and removes all products without valid repositories
  # The .order call is necessary to apply the ordering to repository that have already been loaded from the database.
  # Input parameters:
  # product_list: list of SccProduct
  # product_type: return only base products if type is set (default), else all
  def scc_filtered_products(product_list, product_type = 'base')
    if product_type == 'base'
      product_list.only_products_with_repos.where(product_type: 'base').order(:friendly_name)
    else
      product_list.only_products_with_repos.order(:friendly_name)
    end
  end
end