class CollectionsController < ApplicationController
  before_action :set_collection, only: %i[ show edit update destroy ]

  # GET /collections or /collections.json
  def index
    artists = Artist.all
    midpoint = (artists.count / 2.0).ceil + 2
    @artistsLeft = Artist.limit(midpoint)
    @artistsRight = Artist.limit(artists.count).offset(midpoint)
  end

  ## GET /collections/1 or /collections/1.json
  #def show
  #end

  ## GET /collections/new
  #def new
  #  @collection = Collection.new
  #end

  ## GET /collections/1/edit
  #def edit
  #end

  ## POST /collections or /collections.json
  #def create
  #  @collection = Collection.new(collection_params)

  #  respond_to do |format|
  #    if @collection.save
  #      format.html { redirect_to collection_url(@collection), notice: "Collection was successfully created." }
  #      format.json { render :show, status: :created, location: @collection }
  #    else
  #      format.html { render :new, status: :unprocessable_entity }
  #      format.json { render json: @collection.errors, status: :unprocessable_entity }
  #    end
  #  end
  #end

  ## PATCH/PUT /collections/1 or /collections/1.json
  #def update
  #  respond_to do |format|
  #    if @collection.update(collection_params)
  #      format.html { redirect_to collection_url(@collection), notice: "Collection was successfully updated." }
  #      format.json { render :show, status: :ok, location: @collection }
  #    else
  #      format.html { render :edit, status: :unprocessable_entity }
  #      format.json { render json: @collection.errors, status: :unprocessable_entity }
  #    end
  #  end
  #end

  ## DELETE /collections/1 or /collections/1.json
  #def destroy
  #  @collection.destroy

  #  respond_to do |format|
  #    format.html { redirect_to collections_url, notice: "Collection was successfully destroyed." }
  #    format.json { head :no_content }
  #  end
  #end

  private
    # Use callbacks to share common setup or constraints between actions.
    def set_collection
      @collection = Collection.find(params[:id])
    end

    # Only allow a list of trusted parameters through.
    def collection_params
      params.require(:collection).permit(:name)
    end
end