Freud

#Define methods 
get "/test-nlp" do

  text = "A hero can be anyone. Even a man doing something as simple and reassuring as
  putting a coat around a little boy's shoulder to let him know that the world hadn't ended."

  response = get_npl_for(text)

  puts response.to_json

  keywords = get_keywords_from_response response

  keywords.to_s
end

def get_keywords_from_response resp

  return [] if resp.nil?


  keywords = []
  puts resp
  resp["keywords"].each do |kw|
    keywords << kw["text"]
  end

  return keywords

end


def get_npl_for text


  features = {
   sentiment: {}, keywords: {}, concepts: {}, emotion: {}, entities: {}
  }

  data = {
   "features" => features,
   "text" => text
  }
  params = {  "version" => "2018-03-19"  }

  headers = {
   "Content-Type"=>"application/json"
  }

  auth = { username: "apikey", password: ENV['WATSON_API_KEY'] }

  data = data.to_json if data.instance_of?(Hash)

  url = ENV["WATSON_URL"]
  method = "/v1/analyze"


 response = HTTParty.post(
   url + method,
   basic_auth: auth,
   headers: headers,
   query: params,
   body: data
   )
end


#SEARCH FOR KEYWORDS

if body.include? "i dreamt"
      session[:dream] = body
      response = get_npl_for( body )

      keywords = get_keywords_from_response( response )
      puts keywords
      answer = search_answer_for (keywords[0])
      image = search_unsplash_for( keywords.join( ", ") )
      media = image
      message = keywords[0].capitalize + " was a symbol in your dream. " + answer

end

#Define Method to search for symbols in symbols.txt file

def search_answer_for body
message = " "
array_of_lines = IO.readlines("symbols.txt")
array_of_lines.each do |line|

  items=[ ]
  items=line.split ("=")
  symbols=items[0]
  answers=items[1]


  if body.include?symbols.to_s
     message = items[1]
  
  end

  end

  return message.to_s
end

#Define unsplash methods to search for images with keywords

def search_unsplash_for response

  Unsplash.configure do |config|
    config.application_access_key = ENV['UNSPLASH_ACCESS_KEY']
    config.application_secret = ENV['UNSPLASH_SECRET']
    config.utm_source = "ExampleAppForClass"

  end

  search_results = Unsplash::Photo.search( response, 1, 1)

  puts search_results.to_json

  images = ""

  puts search_results.size

  search_results.each do |result|
    #puts result.to_json

    puts "Result"

    image_thumb = result["urls"]["thumb"]

    puts result["urls"]["thumb"].to_json
    image_description = result["description"].to_s
    images += "<img src='#{ image_thumb.to_s }' /><br/>"
    images += "<hr/>"

    return image_thumb.to_s
  end
  images
end

#Search 
image = search_unsplash_for( keywords.join( ", ") )