class UsersController < ApplicationController
  before_action :set_user, only: %i[ show edit update destroy ]

  # GET /users or /users.json
  def index
    @users = User.all
  end

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

  # GET /users/new
  def new
    @user = User.new
  end

  # GET /users/1/edit
  def edit
  end

  # POST /users or /users.json
  def create
    @user = User.new(user_params)

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

  # PATCH/PUT /users/1 or /users/1.json
  def update
    respond_to do |format|
      if @user.update(user_params)
        format.html { redirect_to user_url(@user), notice: "User was successfully updated." }
        format.json { render :show, status: :ok, location: @user }
      else
        format.html { render :edit, status: :unprocessable_entity }
        format.json { render json: @user.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /users/1 or /users/1.json
  def destroy
    @user.destroy!

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

  def things
    @things = Thing.all
    render 'things/index'
  end

  def permit_or
    if params[:foo_uid].present?
      field_name = :foo_uid
      query = params.permit(:foo_uid)
    elsif params[:model_id].present?
      field_name = :model_id
      query = { id: params.require(:model_id) }
    end

    Thing.find_by(query) if field_name
  end

  def stats_count
     $stats.count("thing.#{variable}", :tags => ({ :cool => "stuff" }))
     not_ar_model.count("something - #{params[:x]}")
  end

  def chained_raw
    @users = User.all
  end

  def permitted_compact_blank
    # compact_blank/compact return permitted Parameters, so chaining them
    # after permit/slice should not raise a SQL injection warning.
    User.where(params.permit(:foo, :bar).slice(:foo, :bar).compact_blank)
    User.where(params.permit(:foo, :bar).slice(:foo, :bar).compact)
  end

  def still_unsafe_sql
    # A raw interpolated string is still unsafe and should warn.
    User.where("name = '#{params[:name]}'")
  end

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

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