class CLI

  def initialize
    @movies = nil
    @movie = nil
  end

  def parse(command)
    if command.eql? 'now playing'
      now_playing
    elsif command.eql? 'this week'
      this_week
    elsif command.split(' ')[0].eql? 'search'
      search(command.split(' ')[(1..-1)])
    elsif command.split(' ')[0].eql? 'details'
      details(command.split(' ')[1])
    elsif command.split(' ')[0].eql? 'save'
      if command.split(' ').size == 2
        save(command.split(' ')[1])
      else
        save
      end
    elsif command.split(' ')[0].eql? 'list'
      if command.split(' ')[1].eql? 'detailed'
        list(true)
      else
        list
      end
    else
      puts 'Unknown Command'
    end
  end

  def now_playing
    @movie = nil
    movie_data = Scraper.scrape_now_playing
    @movies = Movie.new_from_array(movie_data)
    @movies.each do |movie|
      puts "#{movie.id} - #{movie.title}"
    end
  end

  def this_week
    @movie = nil
    movie_data = Scraper.scrape_opening_this_week
    @movies = Movie.new_from_array(movie_data)
    @movies.each do |movie|
      puts "#{movie.id} - #{movie.title}"
    end
  end

  def search(title)
    @movie = nil
    title = title.map{|e| e.capitalize}.join('+')
    movie_data = Scraper.scrape_movie_by_title(title)
    @movies = Movie.new_from_array(movie_data)
    @movies.each do |movie|
      print "#{movie.id} - #{movie.title} (#{movie.release_year}) "
      if movie.type
        print "(#{movie.type})\n"
      else
        print "\n"
      end
    end
  end

  def details(id)
    @movies = nil
    movie_data = Scraper.scrape_movie_by_id(id)
    @movie = Movie.new(movie_data)
    movie = @movie

    puts "#{movie.title} (#{movie.release_year})"
    puts "#{movie.content_rating} | #{movie.runtime} | #{movie.genres.join(', ')}"
    print "Director(s): "
    puts "#{movie.director}"
    print "Stars: "
    puts "#{movie.stars.join(', ')}"
    print "Summary: "
    puts "#{movie.summary}"
  end

  def save(id = nil)
    if id.nil?
      if @movies.nil? && @movie.nil?
        puts 'No movie to save'
      elsif !@movie.nil?
        movie_data = Scraper.scrape_movie_by_id(@movie.id)
        Movie.create_or_update(movie_data)
        @movie = nil
        puts 'Movie saved'
      elsif !@movies.nil?
        movies_data = @movies.map{|e| Scraper.scrape_movie_by_id(e.id)}
        Movie.create_from_array(movies_data)
        @movies = nil
        puts 'Movies saved'
      end
    else
      @movie = @movies = nil
      movie_data = Scraper.scrape_movie_by_id(id)
      Movie.create_or_update(movie_data)
      puts 'Movie Saved'
    end
  end

  def list(detailed = false)
    if detailed
      @movie = @movies = nil
      Movie.all.each do |movie|
        puts "#{movie.title} (#{movie.release_year})"
        puts "#{movie.content_rating} | #{movie.runtime} | #{movie.genres.join(', ')}"
        print "Director(s): "
        puts "#{movie.director}"
        print "Stars: "
        puts "#{movie.stars.join(', ')}"
        print "Summary: "
        puts "#{movie.summary}"
        puts ""
      end
    else
      @movie = @movies = nil
      Movie.all.each do |movie|
        print "#{movie.id} - #{movie.title} (#{movie.release_year}) "
        if movie.type
          print "(#{movie.type})\n"
        else
          print "\n"
        end
      end
    end
  end
end