# encoding: utf-8

module BitBucket
  module Configuration

    VALID_OPTIONS_KEYS         = [
        :adapter,
        :client_id,
        :client_secret,
        :oauth_token,
        :oauth_secret,
        :endpoint,
        :mime_type,
        :user_agent,
        :connection_options,
        :repo,
        :user,
        :login,
        :password,
        :basic_auth
    ].freeze

    # Other adapters are :typhoeus, :patron, :em_synchrony, :excon, :test
    DEFAULT_ADAPTER            = :net_http

    # By default, don't set an application key
    DEFAULT_CLIENT_ID          = nil

    # By default, don't set an application secret
    DEFAULT_CLIENT_SECRET      = nil

    # By default, don't set a user oauth access token
    DEFAULT_OAUTH_TOKEN        = nil

    # By default, don't set a user oauth access token secret
    DEFAULT_OAUTH_SECRET       = nil

    # By default, don't set a user login name
    DEFAULT_LOGIN              = nil

    # By default, don't set a user password
    DEFAULT_PASSWORD           = nil

    # By default, don't set a user basic authentication
    DEFAULT_BASIC_AUTH         = nil

    # The endpoint used to connect to BitBucket if none is set, in the event that BitBucket is ever available on location
    DEFAULT_ENDPOINT           = 'https://bitbucket.org/api/1.0'.freeze

    # The value sent in the http header for 'User-Agent' if none is set
    DEFAULT_USER_AGENT         = "BitBucket Ruby Gem #{BitBucket::VERSION::STRING}".freeze

    # By default the <tt>Accept</tt> header will make a request for <tt>JSON</tt>
    DEFAULT_MIME_TYPE          = :json

    # By default uses the Faraday connection options if none is set
    DEFAULT_CONNECTION_OPTIONS = { }

    # By default, don't set user name
    DEFAULT_USER               = nil

    # By default, don't set repository name
    DEFAULT_REPO               = nil

    attr_accessor *VALID_OPTIONS_KEYS

    # Convenience method to allow for global setting of configuration options
    def configure
      yield self
    end

    def self.extended(base)
      base.set_defaults
    end

    def options
      options = { }
      VALID_OPTIONS_KEYS.each { |k| options[k] = send(k) }
      options
    end

    def set_defaults
      self.adapter            = DEFAULT_ADAPTER
      self.client_id          = DEFAULT_CLIENT_ID
      self.client_secret      = DEFAULT_CLIENT_SECRET
      self.oauth_token        = DEFAULT_OAUTH_TOKEN
      self.oauth_secret       = DEFAULT_OAUTH_SECRET
      self.endpoint           = DEFAULT_ENDPOINT
      self.user_agent         = DEFAULT_USER_AGENT
      self.connection_options = DEFAULT_CONNECTION_OPTIONS
      self.mime_type          = DEFAULT_MIME_TYPE
      self.user               = DEFAULT_USER
      self.repo               = DEFAULT_REPO
      self.login              = DEFAULT_LOGIN
      self.password           = DEFAULT_PASSWORD
      self.basic_auth         = DEFAULT_BASIC_AUTH
      self
    end

  end # Configuration
end # BitBucket