♻️ Refactored config domain

internal/domain/config.go

@@ -1,23 +1,100 @@
 package domain
 
 import (
+	"net"
+	"path/filepath"
 	"testing"
+	"time"
 
-	"github.com/spf13/viper"
+	"github.com/valyala/fasttemplate"
 )
 
-// TODO(toby3d): create Config domain
+type (
+	Config struct {
+		Database  ConfigDatabase
+		IndieAuth ConfigIndieAuth
+		Server    ConfigServer
+		Name      string
+		RunMode   string
+	}
+
+	ConfigIndieAuth struct {
+		JWTSecret                 interface{}
+		AccessTokenExpirationTime time.Duration
+		JWTSigningAlgorithm       string
+		JWTSigningPrivateKeyFile  string
+		CodeLength                int
+		JWTNonceLength            int
+		Enabled                   bool
+	}
+
+	ConfigServer struct {
+		CertificateFile string
+		Domain          string
+		Host            string
+		KeyFile         string
+		Protocol        string
+		RootURL         string
+		StaticRootPath  string
+		StaticURLPrefix string
+		Port            string
+		EnablePprof     bool
+	}
+
+	ConfigDatabase struct {
+		Path string
+		Type string
+	}
+)
+
+// GetAddress return host:port address.
+func (cs *ConfigServer) GetAddress() string {
+	return net.JoinHostPort(cs.Host, cs.Port)
+}
+
+// GetRootURL returns generated from template RootURL.
+func (cs *ConfigServer) GetRootURL() string {
+	return fasttemplate.ExecuteString(cs.RootURL, `{{`, `}}`, map[string]interface{}{
+		"domain":          cs.Domain,
+		"host":            cs.Host,
+		"port":            cs.Port,
+		"protocol":        cs.Protocol,
+		"staticRootPath":  cs.StaticRootPath,
+		"staticUrlPrefix": cs.StaticURLPrefix,
+	})
+}
 
 // TestConfig returns a valid *viper.Viper with the generated test data filled in.
-func TestConfig(tb testing.TB) *viper.Viper {
+func TestConfig(tb testing.TB) *Config {
 	tb.Helper()
 
-	v := viper.New()
-	v.Set("indieauth.jwtSecret", "hackme")
-	v.Set("indieauth.jwtSigningAlgorithm", "HS256")
-	v.Set("server.domain", "example.com")
-	v.Set("server.protocol", "https")
-	v.Set("server.rootUrl", "{{protocol}}://{{domain}}/")
-
-	return v
+	return &Config{
+		Name:    "IndieAuth",
+		RunMode: "dev",
+		Database: ConfigDatabase{
+			Path: filepath.Join("test", "development.db"),
+			Type: "bolt",
+		},
+		IndieAuth: ConfigIndieAuth{
+			AccessTokenExpirationTime: time.Hour,
+			CodeLength:                32, //nolint: gomnd
+			Enabled:                   true,
+			JWTNonceLength:            22, //nolint: gomnd
+			JWTSecret:                 []byte("hackme"),
+			JWTSigningAlgorithm:       "HS256",
+			JWTSigningPrivateKeyFile:  filepath.Join("jwt", "private.pem"),
+		},
+		Server: ConfigServer{
+			CertificateFile: filepath.Join("https", "cert.pem"),
+			Domain:          "localhost",
+			EnablePprof:     false,
+			Host:            "0.0.0.0",
+			KeyFile:         filepath.Join("https", "key.pem"),
+			Port:            "3000",
+			Protocol:        "http",
+			RootURL:         "{{protocol}}://{{domain}}:{{port}}/",
+			StaticRootPath:  "/",
+			StaticURLPrefix: "/static",
+		},
+	}
 }