class DocuSign_eSign::ApiClient

# File lib/docusign_esign/client/api_client.rb, line 45
def self.default
  @@default ||= ApiClient.new
end

# File lib/docusign_esign/client/api_client.rb, line 36
def initialize(config = Configuration.default)
  @config = config
  @user_agent = "Swagger-Codegen/v2.1/5.0.0/ruby-#{RUBY_VERSION}p#{RUBY_PATCHLEVEL}"
  @default_headers = {
    'Content-Type' => "application/json",
    'User-Agent' => @user_agent
  }
end

# File lib/docusign_esign/client/api_client.rb, line 373
def build_collection_param(param, collection_format)
  case collection_format
  when :csv
    param.join(',')
  when :ssv
    param.join(' ')
  when :tsv
    param.join("\t")
  when :pipes
    param.join('|')
  when :multi
    # return the array directly as typhoeus will handle it as expected
    param
  else
    fail "unknown collection format: #{collection_format.inspect}"
  end
end

# File lib/docusign_esign/client/api_client.rb, line 93
def build_request(http_method, path, opts = {})
  url = build_request_url(path, opts)
  http_method = http_method.to_sym.downcase

  header_params = @default_headers.merge(opts[:header_params] || {})

  # Add SDK default header
  header_params.store("X-DocuSign-SDK", "Ruby")

  query_params = opts[:query_params] || {}
  form_params = opts[:form_params] || {}

  update_params_for_auth! header_params, query_params, opts[:auth_names]

  # set ssl_verifyhosts option based on @config.verify_ssl_host (true/false)
  _verify_ssl_host = @config.verify_ssl_host ? 2 : 0
  
  req_opts = {
    :method => http_method,
    :headers => header_params,
    :params => query_params,
    :params_encoding => @config.params_encoding,
    :timeout => @config.timeout,
    :ssl_verifypeer => @config.verify_ssl,
    :ssl_verifyhost => _verify_ssl_host,
    :sslcert => @config.cert_file,
    :sslkey => @config.key_file,
    :verbose => @config.debugging
  }

  # set custom cert, if provided
  req_opts[:cainfo] = @config.ssl_ca_cert if @config.ssl_ca_cert

  if [:post, :patch, :put, :delete].include?(http_method)
    req_body = build_request_body(header_params, form_params, opts[:body])
    req_opts.update :body => req_body
    if @config.debugging
      @config.logger.debug "HTTP request body param ~BEGIN~\n#{req_body}\n~END~\n"
    end
  end

  Typhoeus::Request.new(url, req_opts)
end

# File lib/docusign_esign/client/api_client.rb, line 273
def build_request_body(header_params, form_params, body)
  # http form
  if header_params['Content-Type'] == 'application/x-www-form-urlencoded' ||
      header_params['Content-Type'] == 'multipart/form-data'
    data = {}
    form_params.each do |key, value|
      case value
      when File, Array, nil
        # let typhoeus handle File, Array and nil parameters
        data[key] = value
      else
        if header_params['Content-Type'] == 'multipart/form-data'
          header_params['Content-Disposition'] = 'form-data; name=file; filename=' + key
          data = value
        else
          data[key] = value.to_s
        end
      end
    end
  elsif body
    data = body.is_a?(String) ? body : body.to_json
  else
    data = nil
  end
  data
end

# File lib/docusign_esign/client/api_client.rb, line 260
def build_request_url(path, opts)
  # Add leading and trailing slashes to path
  path = "/#{path}".gsub(/\/+/, '/')
  return Addressable::URI.encode("https://" + self.get_oauth_base_path + path) if opts[:oauth]
  Addressable::URI.encode(@config.base_url + path)
end

# File lib/docusign_esign/client/api_client.rb, line 53
def call_api(http_method, path, opts = {})
  request = build_request(http_method, path, opts)
  response = request.run

  if @config.debugging
    @config.logger.debug "HTTP response body ~BEGIN~\n#{response.body}\n~END~\n"
  end

  unless response.success?
    if response.timed_out?
      fail ApiError.new('Connection timed out')
    elsif response.code == 0
      # Errors from libcurl will be made visible here
      fail ApiError.new(:code => 0,
                        :message => response.return_message)
    else
      fail ApiError.new(:code => response.code,
                        :response_headers => response.headers,
                        :response_body => response.body),
           response.status_message
    end
  end

  if opts[:return_type]
    data = deserialize(response, opts[:return_type])
  else
    data = nil
  end
  return data, response.code, response.headers
end

# File lib/docusign_esign/client/api_client.rb, line 185
def convert_to_type(data, return_type)
  return nil if data.nil?
  case return_type
  when 'String'
    data.to_s
  when 'Integer'
    data.to_i
  when 'Float'
    data.to_f
  when 'BOOLEAN'
    data == true
  when 'DateTime'
    # parse date time (expecting ISO 8601 format)
    DateTime.parse data
  when 'Date'
    # parse date time (expecting ISO 8601 format)
    Date.parse data
  when 'Object'
    # generic object (usually a Hash), return directly
    data
  when /\AArray<(.+)>\z/
    # e.g. Array<Pet>
    sub_type = $1
    data.map {|item| convert_to_type(item, sub_type) }
  when /\AHash\<String, (.+)\>\z/
    # e.g. Hash<String, Integer>
    sub_type = $1
    {}.tap do |hash|
      data.each {|k, v| hash[k] = convert_to_type(v, sub_type) }
    end
  else
    # models, e.g. Pet
    DocuSign_eSign.const_get(return_type).new.tap do |model|
      model.build_from_hash data
    end
  end
end

# File lib/docusign_esign/client/api_client.rb, line 153
def deserialize(response, return_type)
  body = response.body
  return nil if body.nil? || body.empty?

  # return response body directly for String return type
  return body if return_type == 'String'

  # handle file downloading - save response body into a tmp file and return the File instance
  return download_file(response) if return_type == 'File'

  # ensuring a default content type
  content_type = response.headers['Content-Type'] || 'application/json'

  fail "Content-Type is not supported: #{content_type}" unless json_mime?(content_type)

  begin
    data = JSON.parse("[#{body}]", :symbolize_names => true)[0]
  rescue JSON::ParserError => e
    if %w(String Date DateTime).include?(return_type)
      data = body
    else
      raise e
    end
  end

  convert_to_type data, return_type
end

# File lib/docusign_esign/client/api_client.rb, line 228
def download_file(response)
  content_disposition = response.headers['Content-Disposition']
  if content_disposition and content_disposition =~ /filename=/i
    filename = content_disposition[/filename=['"]?([^'"\s]+)['"]?/, 1]
    prefix = sanitize_filename(filename)
  else
    prefix = 'download-'
  end
  prefix = prefix + '-' unless prefix.end_with?('-')

  tempfile = nil
  encoding = response.body.encoding
  Tempfile.open(prefix, @config.temp_folder_path, encoding: encoding) do |file|
    file.write(response.body)
    tempfile = file
  end
  @config.logger.info "Temp file written to #{tempfile.path}, please copy the file to a proper folder "\
                      "with e.g. `FileUtils.cp(tempfile.path, '/new/file/path')` otherwise the temp file "\
                      "will be deleted automatically with GC. It's also recommended to delete the temp file "\
                      "explicitly with `tempfile.delete`"
  tempfile
end

# File lib/docusign_esign/client/api_client.rb, line 565
def generate_access_token(client_id, client_secret, code)
  raise ArgumentError.new('client_id cannot be empty')  if client_id.empty?
  raise ArgumentError.new('client_secret cannot be empty')  if client_secret.empty?
  raise ArgumentError.new('code cannot be empty')  if code.empty?

  authcode = "Basic " + Base64.strict_encode64("#{client_id}:#{client_secret}")
  params = {
      :header_params => {
          "Authorization" => authcode,
          "Content-Type" => "application/x-www-form-urlencoded"
      },
      :form_params => {
        "grant_type" => 'authorization_code',
        "code" => code,
      },
      :return_type => 'OAuth::OAuthToken',
      :oauth => true
  }
  
  token, status_code, headers = self.call_api("POST", '/oauth/token', params)

  if status_code == 200
    self.default_headers.store('Authorization', "#{token.token_type} #{token.access_token}")

    token
  end
end

# File lib/docusign_esign/client/api_client.rb, line 437
def get_authorization_uri(client_id, scopes, redirect_uri, response_type, state=nil)
  self.oauth_base_path ||= self.get_oauth_base_path

  scopes = scopes.join(' ') if scopes.kind_of?(Array)
  scopes = OAuth::SCOPE_SIGNATURE if scopes.empty?

  uri = "https://%{base_path}/oauth/auth?response_type=%{response_type}&scope=%{scopes}&client_id=%{client_id}&redirect_uri=%{redirect_uri}"
  uri += "&state=%{state}" if state
  uri  % {base_path: self.oauth_base_path, response_type:response_type, scopes: scopes, client_id: client_id, redirect_uri: redirect_uri, state: state}
end

# File lib/docusign_esign/client/api_client.rb, line 420
def get_oauth_base_path
  if !self.oauth_base_path
    self.set_oauth_base_path()
  end

  self.oauth_base_path
end

# File lib/docusign_esign/client/api_client.rb, line 549
def get_user_info(access_token)
  raise ArgumentError.new('Cannot find a valid access token. Cannot find a valid access token.')  if access_token.empty?

  params = {
      :header_params => {"Authorization" => 'Bearer ' + access_token},
      :return_type => 'OAuth::UserInfo',
      :oauth => true
  }
  data, status_code, headers = self.call_api("GET", '/oauth/userinfo', params)
  data
end

# File lib/docusign_esign/client/api_client.rb, line 145
def json_mime?(mime)
   (mime == "*/*") || !(mime =~ /\Aapplication\/json(;.*)?\z/i).nil?
end

# File lib/docusign_esign/client/api_client.rb, line 363
def object_to_hash(obj)
  if obj.respond_to?(:to_hash)
    obj.to_hash
  else
    obj
  end
end

# File lib/docusign_esign/client/api_client.rb, line 349
def object_to_http_body(model)
  return model if model.nil? || model.is_a?(String)
  local_body = nil
  if model.is_a?(Array)
    local_body = model.map{|m| object_to_hash(m) }
  else
    local_body = object_to_hash(model)
  end
  local_body.to_json
end

# File lib/docusign_esign/client/api_client.rb, line 505
def request_jwt_application_token(client_id, private_key_or_filename, expires_in = 3600,scopes=OAuth::SCOPE_SIGNATURE)
  raise ArgumentError.new('client_id cannot be empty')  if client_id.empty?
  raise ArgumentError.new('private_key_or_filename cannot be empty')  if private_key_or_filename.empty?

  scopes = scopes.join(' ') if scopes.kind_of?(Array)
  scopes = OAuth::SCOPE_SIGNATURE if scopes.empty?
  expires_in = 3600 if expires_in > 3600
  now = Time.now.to_i
  claim = {
      "iss" => client_id,
      "aud" => self.get_oauth_base_path,
      "iat" => now,
      "exp" => now + expires_in,
      "scope"=> scopes
  }
  
  private_key = if private_key_or_filename.include?("-----BEGIN RSA PRIVATE KEY-----")
                  private_key_or_filename
                else
                  File.read(private_key_or_filename)
                end

  private_key_bytes = OpenSSL::PKey::RSA.new private_key
  token = JWT.encode claim, private_key_bytes, 'RS256'
  params = {
      :header_params => {"Content-Type" => "application/x-www-form-urlencoded"},
      :form_params => {
          "assertion" => token,
          "grant_type" => OAuth::GRANT_TYPE_JWT
      },
      :return_type => 'OAuth::OAuthToken',
      :oauth => true
  }
  data, status_code, headers = self.call_api("POST", "/oauth/token", params)

  raise ApiError.new('Some error accrued during process') if data.nil?

  self.set_default_header('Authorization', data.token_type + ' ' + data.access_token)
  data
end

# File lib/docusign_esign/client/api_client.rb, line 455
def request_jwt_user_token(client_id, user_id, private_key_or_filename, expires_in = 3600,scopes=OAuth::SCOPE_SIGNATURE)
  raise ArgumentError.new('client_id cannot be empty')  if client_id.empty?
  raise ArgumentError.new('user_id cannot be empty')  if user_id.empty?
  raise ArgumentError.new('private_key_or_filename cannot be empty')  if private_key_or_filename.empty?

  scopes = scopes.join(' ') if scopes.kind_of?(Array)
  scopes = OAuth::SCOPE_SIGNATURE if scopes.empty?
  expires_in = 3600 if expires_in > 3600
  now = Time.now.to_i
  claim = {
    "iss" => client_id,
    "sub" => user_id,
    "aud" => self.get_oauth_base_path,
    "iat" => now,
    "exp" => now + expires_in,
    "scope"=> scopes
  }

  private_key = if private_key_or_filename.include?("-----BEGIN RSA PRIVATE KEY-----")
                  private_key_or_filename
                else
                  File.read(private_key_or_filename)
                end

  private_key_bytes = OpenSSL::PKey::RSA.new private_key
  token = JWT.encode claim, private_key_bytes, 'RS256'
  params = {
      :header_params => {"Content-Type" => "application/x-www-form-urlencoded"},
      :form_params => {
          "assertion" => token,
          "grant_type" => OAuth::GRANT_TYPE_JWT
      },
      :return_type => 'OAuth::OAuthToken',
      :oauth => true
  }
  data, status_code, headers = self.call_api("POST", "/oauth/token", params)


  raise ApiError.new('Some error accrued during process') if data.nil?

  self.set_default_header('Authorization', data.token_type + ' ' + data.access_token)
  data
end

# File lib/docusign_esign/client/api_client.rb, line 256
def sanitize_filename(filename)
  filename.gsub(/.*[\/\\]/, '')
end

# File lib/docusign_esign/client/api_client.rb, line 328
def select_header_accept(accepts)
  return nil if accepts.nil? || accepts.empty?
  # use JSON when present, otherwise use all of the provided
  json_accept = accepts.find { |s| json_mime?(s) }
  return json_accept || accepts.join(',')
end

# File lib/docusign_esign/client/api_client.rb, line 338
def select_header_content_type(content_types)
  # use application/json by default
  return 'application/json' if content_types.nil? || content_types.empty?
  # use JSON when present, otherwise use the first one
  json_content_type = content_types.find { |s| json_mime?(s) }
  return json_content_type || content_types.first
end

# File lib/docusign_esign/client/api_client.rb, line 393
def set_base_path(base_path)
  self.base_path = base_path
end

# File lib/docusign_esign/client/api_client.rb, line 596
def set_default_header(header_name, header_value)
    @default_headers[header_name] = header_value
end

# File lib/docusign_esign/client/api_client.rb, line 399
def set_oauth_base_path(oauth_base_path=nil)
  if oauth_base_path
    raise ArgumentError.new('OAuth base path should only include domain name (without https://)')  if oauth_base_path.include? "//"
    self.oauth_base_path = oauth_base_path
    return
  end

  # did we need this check as we can determine it from base path
  #raise ArgumentError.new('oAuthBasePath cannot be empty')  unless oauth_base_path

  # Derive OAuth Base Path if not given
  if self.base_path.nil? or self.base_path.start_with?("https://demo") or self.base_path.start_with?("http://demo") or self.base_path.start_with?("https://apps-d") or self.base_path.start_with?("http://apps-d")
    self.oauth_base_path = OAuth::DEMO_OAUTH_BASE_PATH
  elsif self.base_path.start_with?("https://stage") or self.base_path.start_with?("http://stage") or self.base_path.start_with?("https://apps-s") or self.base_path.start_with?("http://apps-s")
    self.oauth_base_path = OAuth::STAGE_OAUTH_BASE_PATH
  else
    self.oauth_base_path = OAuth::PRODUCTION_OAUTH_BASE_PATH
  end
end

# File lib/docusign_esign/client/api_client.rb, line 305
def update_params_for_auth!(header_params, query_params, auth_names)
  Array(auth_names).each do |auth_name|
    auth_setting = @config.auth_settings[auth_name]
    next unless auth_setting
    case auth_setting[:in]
    when 'header' then header_params[auth_setting[:key]] = auth_setting[:value]
    when 'query'  then query_params[auth_setting[:key]] = auth_setting[:value]
    else fail ArgumentError, 'Authentication token must be in `query` of `header`'
    end
  end
end

# File lib/docusign_esign/client/api_client.rb, line 320
def user_agent=(user_agent)
  @user_agent = user_agent
  @default_headers['User-Agent'] = @user_agent
end