class GithubUrl

# File lib/github_url.rb, line 9
def initialize(url:, default_branch: "master", host: GITHUB_HOST)
  @default_branch = default_branch
  @url = url
  @host = host

  validate_url
end

# File lib/github_url.rb, line 25
def branch
  default_branch? ? @default_branch : url_path[3]
end

# File lib/github_url.rb, line 17
def organization
  url_path[0]
end

# File lib/github_url.rb, line 29
def path
  default_branch? ? File.join(url_path[2..-1]) : File.join(url_path[4..-1].to_a)
end

# File lib/github_url.rb, line 21
def repository
  url_path[1]
end

# File lib/github_url.rb, line 35
def default_branch?
  (["blob", "tree", "raw"] & url_path).empty?
end

# File lib/github_url.rb, line 47
def url_path
  url_arr = url.split("/")
  host_index = url_arr.index { |e| e.include?(@host) }
  url_arr[host_index + 1..-1]
end

# File lib/github_url.rb, line 39
def validate_url
  raise(Invalid, "Url cannot be blank.") if url.strip.empty?
  raise(Invalid, "Must contain #{@host}") unless url.split("/").any? { |e| e.include?(@host) }
  raise(Invalid, "Missing organization") if organization.nil?
  raise(Invalid, "Missing repository") if repository.nil?
  raise(Invalid, "Missing branch") if !default_branch? && url_path[3].nil?
end