module Ghstars

# File lib/ghstars.rb, line 16
def self.check_github_credentials
  begin
    @@client.user
  rescue Octokit::Unauthorized => error_message
    puts error_message
    raise ::Ghstars::GitHubBadCredentialsError, "Bad GitHub credentials."
  end
end

# File lib/ghstars.rb, line 12
def self.check_github_token_defined
  raise ::Ghstars::GitHubAccessTokenError, "Please define GITHUB_TOKEN environment variable." unless ENV['GITHUB_TOKEN']
end

# File lib/ghstars.rb, line 45
def self.get_repos(options)
  if ::Ghstars.github_access_available?
    query = options[:query]
    repos = @@client.repos({}, query: query)
      .reject{|r| r[:stargazers_count] == 0}
      .reject{|r| r[:fork]}
      .sort_by{|r| r[:stargazers_count]}
      .reverse
      repos
  end
end

# File lib/ghstars.rb, line 25
def self.github_access_available?
  begin
    ::Ghstars.check_github_token_defined
  rescue ::Ghstars::GitHubAccessTokenError => error_message
    puts error_message
    exit
  end

  @@client = Octokit::Client.new(:access_token => ENV['GITHUB_TOKEN'])
  @@client.auto_paginate = true
  
  begin
    ::Ghstars.check_github_credentials
  rescue ::Ghstars::GitHubBadCredentialsError => error_message
    puts error_message
    exit
  end
  true
end