class TissCrawler
  require 'httparty'

  def self.host
    'https://tiss.tuwien.ac.at'
  end

  def self.search(params)
    api = params[:api]
    search_parameter = params[:search_parameter]
    search_term = params[:search_term].parameterize(separator: '+')
    url = host + api + '?' + search_parameter + '=' + search_term
    puts('generated url:', url)

    if search_term == ""
      {'error': 'Dare you try! Empty searches are not allowed!'}
    else
      response = HTTParty.get(url)
      {'content': JSON.parse(response.body)['results']}
    end

  end

  def self.get_details(params)
    api = params[:api]
    id = params[:tiss_id]
    url = host + api + id
    puts(url)

    response = HTTParty.get(url)
    JSON.parse(response.body)
  end

  def self.get_course_details(params)
    api = params[:api]
    number = params[:number]
    semester = params[:semester]
    url = host + api + number + '-' + semester
    puts(url)

    response = HTTParty.get(url)
    response.parsed_response['tuvienna']['course']
  end

  def self.get_thesis_details(params)
    api = params[:api]
    id = params[:id]
    url = host + api + id
    puts(url)

    response = HTTParty.get(url)
    response.parsed_response['tuvienna']['thesis']
  end

  def self.get_project_details(params)
    api = params[:api]
    id = params[:id]
    url = host + api + id
    puts(url)

    response = HTTParty.get(url)
    response.parsed_response['tuVienna']['project']
  end

  def self.get_oid_name(item)
    # Fetches a person's name based on the org id
    # Example: https://tiss.tuwien.ac.at/api/person/v22/oid/250197
    api = '/api/person/v22/oid/'
    url = host + api + item
    puts(url)

    response = HTTParty.get(url)
    parsed_response = response.parsed_response

    parsed_response['error'] ||
      parsed_response['first_name'] + ' ' + response.parsed_response['last_name']
  end
end