class DBEnvy

# File lib/dbenvy.rb, line 17
def initialize
  self.uri = URI.parse ENV['DATABASE_URL'] if ENV['DATABASE_URL']
end

# File lib/dbenvy.rb, line 7
def self.to_hash
  new.to_hash
end

# File lib/dbenvy.rb, line 11
def self.yaml
  new.yaml
end

# File lib/dbenvy.rb, line 25
def to_hash
  credentials.merge options
end

# File lib/dbenvy.rb, line 21
def yaml
  YAML.dump( { rails_env => to_hash } ) if uri && rails_env
end

# File lib/dbenvy.rb, line 35
def credentials
  {
    "adapter" => uri.scheme,
    "username" => uri.user,
    "password" => uri.password,
    "host" => uri.host,
    "port" => uri.port,
    "database" => database,
  }
end

# File lib/dbenvy.rb, line 50
def database
  uri.path.dup.tap { |p| p.slice!("/") }
end

# File lib/dbenvy.rb, line 46
def options
  Rack::Utils.parse_nested_query uri.query
end

# File lib/dbenvy.rb, line 31
def rails_env
  ENV['RAILS_ENV'] || "#{Rails.env}" if defined?(Rails)
end