class MoviesController < ApplicationController

  def movie_params
    params.require(:movie).permit(:title, :rating, :description, :release_date)
  end

  def show
    id = params[:id] # retrieve movie ID from URI route
    @movie = Movie.find(id) # look up movie by unique ID
    # will render app/views/movies/show.<extension> by default
  end

  def index
    @all_ratings = ['G','PG','PG-13','R']
    @valid_ratings = []
    @checkbox_values = {}

    if params["ratings"]
      @valid_ratings = []
      params["ratings"].each_key do |key|
        @checkbox_values[key] = true;
        @valid_ratings << key
      end
      session["ratings"] = @valid_ratings
    elsif session["ratings"]
      @valid_ratings = session["ratings"]
      @valid_ratings.each do |rating|
        @checkbox_values[rating] = true;
      end
    else
      @valid_ratings = @all_ratings
      @valid_ratings.each do |rating|
        @checkbox_values[rating] = true;
      end
    end

    @hilite = {}
    @hilite[:title] = ''
    @hilite[:release_date] = ''

    sortby = ''
    order = ''
    if params[:sort]
      sortby = params[:sort]
      session["sort"] = params[:sort]
      order = sortby + ' ASC'
    elsif session["sort"]
      sortby = session["sort"]
      order = session["sort"] + ' ASC'
      @hilite[session["sort"].to_sym] = 'hilite'
      order = sortby + ' ASC'
    end
    @hilite[sortby.to_sym] = 'hilite'

    @movies = Movie.order(order).where(rating: @valid_ratings)

  end

  def new
    # default: render 'new' template
  end

  def create
    @movie = Movie.create!(movie_params)
    flash[:notice] = "#{@movie.title} was successfully created."
    redirect_to movies_path
  end

  def edit
    @movie = Movie.find params[:id]
  end

  def update
    @movie = Movie.find params[:id]
    @movie.update_attributes!(movie_params)
    flash[:notice] = "#{@movie.title} was successfully updated."
    redirect_to movie_path(@movie)
  end

  def destroy
    @movie = Movie.find(params[:id])
    @movie.destroy
    flash[:notice] = "Movie '#{@movie.title}' deleted."
    redirect_to movies_path
  end

end