# frozen_string_literal: true

require '/data_importer/lib/github_api/user'
require '/data_importer/lib/github_api/owner_repos'

class GithubUserImporter
  attr_accessor :filepath, :usernames

  def initialize
    @filepath = '/data_importer/data/github_usernames.txt'
    @usernames = File.read(filepath).split("\n")
  end

  def username_hashes
    usernames.map do |username|
      Retryable.retryable(tries: 3, on: QueryExecutionError, sleep: ->(n) { 4**n }) do
        username_response = GithubApi::User.find(username)
        username_repos = GithubApi::OwnerRepos.find(username)
        repos_hash = { 'repositories' => username_repos }
        username_response.to_h.merge(repos_hash)
      end
    end
  end

  def user_h_to_attr(user_h)
    attrs = {}
    attrs[:github_id] = user_h['id']
    attrs[:login] = user_h['login']
    attrs[:name] = user_h['name']
    attrs[:avatar_url] = user_h['avatarUrl']
    attrs[:bio] = user_h['bio']
    attrs[:bio_html] = user_h['bioHTML']
    attrs[:location] = user_h['location']
    attrs[:repositories] = user_h['repositories']
    attrs
  end

  def bulk_insert(username_hashes)
    GithubUser.bulk_insert do |worker|
      username_hashes.each do |username_hash|
        attrs = user_h_to_attr(username_hash)
        worker.add(attrs)
      end
    end
  end

  def import
    if filepath.nil?
      puts 'Please provide a filepath in the projects data dir named github_usernames.txt with one username per line.'
    else
      puts 'Now importing GithubUsers'
      usernames = username_hashes.map { |h| h['login'] }
      puts "Now importing data from the following usernames: #{usernames}"
      bulk_insert(username_hashes)
    end
  end
end