Began implementing config validation

1 files changed, 39 insertions, 1 deletions

diff --git a/config/config.go b/config/config.go
index 2c94dbe..fada1ea 100644
--- a/config/config.go
+++ b/config/config.go
@@ -3,6 +3,7 @@ package config
 import (
 	"os"
 
+	"github.com/pkg/errors"
 	"gopkg.in/yaml.v2"
 )
 
@@ -10,11 +11,47 @@ type Config struct {
 	// AppConfig is the application level configuration entries
 	App App `yaml:"App"`
 	// Menus is the list of menus. The first one is the default menu for an anonymous user, the second one is the default menu for an authenticated user
-	Menus []Menu `yaml:"Menus"`
+	Menus map[string]Menu `yaml:"Menus"`
 	// Games is the list of games.
 	Games map[string]Game `yaml:"Games"`
 }
 
+func (c *Config) validate() error {
+	if err := c.App.validate(); err != nil {
+		return err
+	}
+	if len(c.Menus) < 2 {
+		return errors.New("A valid configuration needs at least two menu entries named anonymous and logged_in")
+	}
+	found_anonymous_menu := false
+	found_logged_in_menu := false
+	for k, v := range c.Menus {
+		if err := v.validate(k); err != nil {
+			return err
+		}
+		if k == "anonymous" {
+			found_anonymous_menu = true
+		}
+		if k == "logged_in" {
+			found_logged_in_menu = true
+		}
+	}
+	if !found_anonymous_menu {
+		return errors.New("No anonymous menu declared")
+	}
+	if !found_logged_in_menu {
+		return errors.New("No logged_in menu declared")
+	}
+	for k, v := range c.Games {
+		if err := v.validate(k); err != nil {
+			return err
+		}
+	}
+	// TODO menu existence is tested in global config
+	// TODO game existence is tested in global config
+	return nil
+}
+
 // LoadFile loads the config from a given file
 func LoadFile(path string) (config Config, err error) {
 	var f *os.File
@@ -27,5 +64,6 @@ func LoadFile(path string) (config Config, err error) {
 	if err = decoder.Decode(&config); err != nil {
 		return
 	}
+	err = config.validate()
 	return
 }