class UsersController < ApplicationController
   before_action :logged_in_user, only: [:index, :edit, :update, :destroy]
   before_action :correct_user,   only: [:edit, :update]
   before_action :admin_user, only: :destroy

  def index
    @users = User.where(activated:true).paginate(page: params[:page])
  end

  def show
    @user = User.find(params[:id])
    redirect_to root_url and return unless @user.activated
  end

  def new
    @user = User.new
  end

  def create
    @user = User.new(user_params)
    if @user.save
      @user.send_activation_email
      flash[:info] = "Please check your email to activate your account."
      redirect_to root_url
    else
      render 'new'
    end
  end

  def edit
  end

  def update
    if @user.update_attributes(user_params)
      flash[:success] = "Profile updated"
      redirect_to @user
    else
      render 'edit'
    end
  end

  def destroy
    User.find(params[:id]).destroy
    flash[:success] = "User deleted"
    redirect_to users_url
  end

  private
    def user_params
      params.require(:user).permit(:name, :email, :password, :password_confirmation)
    end

  # beforeアクション

  # ログイン済みユーザーかどうか確認
  def logged_in_user
    unless logged_in?
      store_location
      flash[:danger] = "Please log in."
      redirect_to login_url
    end
  end

  # ただしユーザーかどうか確認
  def correct_user
    @user = User.find(params[:id])
    redirect_to(root_url) unless current_user?(@user)
  end

  def admin_user
    redirect_to(root_url) unless current_user.admin?
  end

end
