set default api endpoint to actual endpoint and lazily initialize con…

…f file if it cannot be found

command/login.go

@@ -1,10 +1,13 @@
 package command
 
 import (
+	"io/ioutil"
 	"os"
+	"path/filepath"
 
 	"github.com/jessevdk/go-flags"
 	"github.com/mitchellh/cli"
+	homedir "github.com/mitchellh/go-homedir"
 	"github.com/nerdalize/nerd/nerd/client"
 	"github.com/nerdalize/nerd/nerd/conf"
 	"github.com/pkg/errors"
@@ -66,7 +69,33 @@ func (cmd *Login) DoRun(args []string) error {
 	}
 	config, err := conf.Read()
 	if err != nil {
-		return errors.Wrap(err, "failed to read nerd config file")
+		if os.IsNotExist(errors.Cause(err)) {
+			//@TODO move this to a library, make permissions sensible!
+			hdir, err := homedir.Dir()
+			if err != nil {
+				return errors.Wrap(err, "failed to get home directory")
+			}
+
+			cdir := filepath.Join(hdir, ".nerd")
+			err = os.MkdirAll(cdir, 0777)
+			if err != nil {
+				return errors.Wrap(err, "failed to create config dir")
+			}
+
+			fpath := filepath.Join(cdir, "config.json")
+			err = ioutil.WriteFile(fpath, []byte(`{}`), 0777)
+			if err != nil {
+				return errors.Wrap(err, "failed to initialize config file")
+			}
+
+			config, err = conf.Read()
+			if err != nil {
+				return errors.Wrap(err, "failed to re-read after creating conf file")
+			}
+
+		} else {
+			return errors.Wrap(err, "failed to read nerd config file")
+		}
 	}
 	cl := client.NewAuthAPI(config.Auth.APIEndpoint)
 	token, err := cl.GetToken(user, pass)

nerd/conf/conf.go

@@ -46,7 +46,7 @@ OWbQHMK+vvUXieCJvCc9Vj084ABwLBgX
 -----END PUBLIC KEY-----`,
 		},
 		CurrentProject:  "6de308f4-face-11e6-bc64-92361f002671",
-		NerdAPIEndpoint: "https://platform.nerdalize.net",
+		NerdAPIEndpoint: "https://batch.nerdalize.com/v1",
 	}
 }