From c3263c03776401ad1263a9fb8f5a44a8ed44d61b Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Wed, 17 Nov 2021 10:13:06 +0100
Subject: Refactored package structure

---
 pkg/config/config.go | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 pkg/config/config.go

(limited to 'pkg/config/config.go')

diff --git a/pkg/config/config.go b/pkg/config/config.go
new file mode 100644
index 0000000..b68a26a
--- /dev/null
+++ b/pkg/config/config.go
@@ -0,0 +1,64 @@
+package config
+
+import (
+	"os"
+
+	"github.com/pkg/errors"
+	"gopkg.in/yaml.v3"
+)
+
+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 map[string]Menu `yaml:"Menus"`
+	// Games is the list of games.
+	Games map[string]Game `yaml:"Games"`
+}
+
+func (c *Config) validate() error {
+	// App
+	if err := c.App.validate(); err != nil {
+		return err
+	}
+	// Menus
+	if len(c.Menus) < 2 {
+		return errors.New("A valid configuration needs at least two menu entries named anonymous and logged_in")
+	}
+	for k, v := range c.Menus {
+		if err := v.validate(k); err != nil {
+			return err
+		}
+	}
+	// Games
+	for k, v := range c.Games {
+		if err := v.validate(k); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// LoadFile loads the c from a given file
+func LoadFile(path string) (*Config, error) {
+	var c *Config
+	f, errOpen := os.Open(path)
+	if errOpen != nil {
+		return nil, errors.Wrapf(errOpen, "Failed to open configuration file %s", path)
+	}
+	defer f.Close()
+	decoder := yaml.NewDecoder(f)
+	if err := decoder.Decode(&c); err != nil {
+		return nil, errors.Wrap(err, "Failed to decode configuration file")
+	}
+	if err := c.validate(); err != nil {
+		return nil, errors.Wrap(err, "Failed to validate configuration")
+	}
+	// If all looks good we validate menu consistency
+	for _, v := range c.Menus {
+		if err := v.validateConsistency(c); err != nil {
+			return nil, errors.Wrap(err, "Failed menu consistency checks")
+		}
+	}
+	return c, nil
+}
-- 
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