class CommandLineInterface

# File lib/command_line_interface.rb, line 52
def self.display_all_topics
  colors = [:red, :green, :yellow, :blue, :magenta, :cyan, :red, :green, :yellow, :blue, :magenta]
  @list.each_with_index{|item,indx|
    puts "#{indx + 1}. #{item}".colorize(colors[indx])
  }
end

# File lib/command_line_interface.rb, line 113
def self.explore_more
  puts "Either type 'reroll' to choose another page within the " + @choice + " topic you selected. Or select a new topic with 'new'."
  get_current_input
  if !quit?(@current_input)
    if @current_input == "REROLL"
      get_rand_url
      visit_portal
    elsif @current_input == "NEW"
      get_inputs
    else
      puts "Invalid input please enter (reroll/new)."
      explore_more
    end
  end
end

# File lib/command_line_interface.rb, line 30
def self.generate_topic_list
  @list = Scraper.all_topics
end

# File lib/command_line_interface.rb, line 17
def self.get_current_input
  @current_input = gets.strip.upcase
end

# File lib/command_line_interface.rb, line 44
def self.get_inputs
  display_all_topics         #Displays all available main topics
  get_topic_choice #gets users main topic choice
  get_rand_url #gets random sub-topic and creates Portal objects
  visit_portal #asks user if they want to visit the randomnly select sub-topic
end

# File lib/command_line_interface.rb, line 34
def self.get_rand_url
  # binding.pry
  @randurl = Scraper.scrape_portals_page(@topic.name)
  @portal = Portal.find_or_create_by_url(@randurl)
  @selected = Scraper.get_portal_name(@randurl)
  @portal.name = @selected
  @portal.topic = @topic
  @topic.portals << @portal
end

# File lib/command_line_interface.rb, line 60
def self.get_topic_choice
  puts "Select a number (1-12) to explore that topic"
  get_current_input
  # binding.pry
  if !quit?(@current_input)
    while !@current_input.to_i.between?(1,12)#ask_input != "1"
      # self.send(__callee__)
      puts "Invalid input. Please choose a number between 1 and 12."
      get_topic_choice
    end
    @choice = @list[@current_input.to_i - 1]
    @topic = Topic.find_or_create_by_name(@choice)
    # binding.pry
  else
    quit?(@current_input)
  end
end

# File lib/command_line_interface.rb, line 101
def self.keep_exploring?
  get_current_input
  if @current_input == "Y"
    start
  elsif @current_input == "N"
    quit?("EXIT")
  else
    puts "Please enter a valid command (Y/N) to keep exploring."
    keep_exploring?
  end
end

# File lib/command_line_interface.rb, line 21
def self.quit?(option)
  if option == "EXIT"
    @status = "offline"
    puts "Goodbye explorer."
  else
    false
  end
end

# File lib/command_line_interface.rb, line 2
def self.run
  puts "Welcome to Did-You-Know Wikipedia Edition!"
  puts "To quit the Wikipedia explorer at anytime type 'exit'."
  @status = "online"
  generate_topic_list
  start
end

# File lib/command_line_interface.rb, line 10
def self.start
  puts "Please select a topic to be given a random Wikipedia Portal to read:"
  while @status == "online"
    get_inputs #starts cli flow
  end
end

# File lib/command_line_interface.rb, line 85
def self.visit_page?
  #checks if user wants to visit the selected portal page
  get_current_input
  if !quit?(@current_input)
    case @current_input
    when "Y"
      puts @randurl
      Launchy.open(@randurl)
      puts "Do you want to continue exploring? (Y/N)"
      keep_exploring?
    when "N"
      explore_more
    end
  end
end

# File lib/command_line_interface.rb, line 78
 def self.visit_portal
   puts "We've selected " + @selected
+ " for you within the " + @choice +" topic you selected."
   puts "Would you like to visit this page? (Y/N)"
   visit_page?
 end