require './app/commands/base_command.rb'

class LandmarkCommand < BaseCommand
  def self.opts
    {
      # Nav consists of reaction sections and descriptions
      nav: {
        history: [Emoji::BOOKS, 'Learn about the history and folklore'],
        warning: [Emoji::SKULL, 'Learn about the areas dangers'],
        map: [Emoji::MAP, 'See the area on the map of Zaplana'],
        layout: [Emoji::HOUSES, 'View a local map of the area'],
        npc: [Emoji::PEOPLE, 'See the NPC residents you might meet']
      },
      # Usage has each option, in order with instructions, and a real example
      usage: {
        name:
        'Searches landmarks for the specified name. ' +
          'If no name is given, R0ry will show a list of all landmarks',
        section:
        'Skips to the specified section, can use any section listed in ' +
          'navigation. If no section is given, R0ry will default to history'
      }
    }
  end

  def self.cmd
    desc = 'Learn all about the various places in Zaplana!'

    @cmd ||= Command.new(:landmark, desc, opts) do |event, name, section|
      if name
        # Find landmark, case insensitive
        landmark = Landmark.find_by!('name ilike ?', name)

        # Reply with landmark display
        BotResponse.new(
          embed: landmark_embed(lm: landmark, section: section, event: event),
          carousel: landmark,
          reactions: LandmarkCarousel.sections.map { |k, _v| k }.push(Emoji::CROSS)
        )
      else
        # Reply with landmark list display
        landmark_list
      end
    rescue ActiveRecord::RecordNotFound => e
      error_embed('Record Not Found!', e.message)
    rescue StandardError => e
      error_embed(e.message)
    end
  end

  def self.example_command(_event=nil)
    case ['', 'name', 'section'].sample
    when ''
      []
    when 'name'
      [Landmark.order('RANDOM()').first.name]
    when 'section'
      [Landmark.order('RANDOM()').first.name,
       %w[history warning map layout npc].sample]
    end
  end
end