Implemented service edit command

internal/backends/deezer/deezer.go

@@ -36,8 +36,8 @@ type DeezerApiBackend struct {
 
 func (b *DeezerApiBackend) Name() string { return "deezer" }
 
-func (b *DeezerApiBackend) Options() *[]models.BackendOption {
-	return &[]models.BackendOption{{
+func (b *DeezerApiBackend) Options() []models.BackendOption {
+	return []models.BackendOption{{
 		Name:  "client-id",
 		Label: "Client ID",
 		Type:  models.String,

internal/backends/dump/dump.go

@@ -25,7 +25,7 @@ type DumpBackend struct{}
 
 func (b *DumpBackend) Name() string { return "dump" }
 
-func (b *DumpBackend) Options() *[]models.BackendOption { return nil }
+func (b *DumpBackend) Options() []models.BackendOption { return nil }
 
 func (b *DumpBackend) FromConfig(config *config.ServiceConfig) models.Backend {
 	return b

internal/backends/funkwhale/funkwhale.go

@@ -33,8 +33,8 @@ type FunkwhaleApiBackend struct {
 
 func (b *FunkwhaleApiBackend) Name() string { return "funkwhale" }
 
-func (b *FunkwhaleApiBackend) Options() *[]models.BackendOption {
-	return &[]models.BackendOption{{
+func (b *FunkwhaleApiBackend) Options() []models.BackendOption {
+	return []models.BackendOption{{
 		Name:  "server-url",
 		Label: "Server URL",
 		Type:  models.String,

internal/backends/jspf/jspf.go

@@ -36,8 +36,8 @@ type JSPFBackend struct {
 
 func (b *JSPFBackend) Name() string { return "jspf" }
 
-func (b *JSPFBackend) Options() *[]models.BackendOption {
-	return &[]models.BackendOption{{
+func (b *JSPFBackend) Options() []models.BackendOption {
+	return []models.BackendOption{{
 		Name:  "file-path",
 		Label: "File path",
 		Type:  models.String,

internal/backends/lastfm/lastfm.go

@@ -43,8 +43,8 @@ type LastfmApiBackend struct {
 
 func (b *LastfmApiBackend) Name() string { return "lastfm" }
 
-func (b *LastfmApiBackend) Options() *[]models.BackendOption {
-	return &[]models.BackendOption{{
+func (b *LastfmApiBackend) Options() []models.BackendOption {
+	return []models.BackendOption{{
 		Name:  "username",
 		Label: "User name",
 		Type:  models.String,

internal/backends/listenbrainz/listenbrainz.go

@@ -34,8 +34,8 @@ type ListenBrainzApiBackend struct {
 
 func (b *ListenBrainzApiBackend) Name() string { return "listenbrainz" }
 
-func (b *ListenBrainzApiBackend) Options() *[]models.BackendOption {
-	return &[]models.BackendOption{{
+func (b *ListenBrainzApiBackend) Options() []models.BackendOption {
+	return []models.BackendOption{{
 		Name:  "username",
 		Label: "User name",
 		Type:  models.String,

internal/backends/maloja/maloja.go

@@ -33,8 +33,8 @@ type MalojaApiBackend struct {
 
 func (b *MalojaApiBackend) Name() string { return "maloja" }
 
-func (b *MalojaApiBackend) Options() *[]models.BackendOption {
-	return &[]models.BackendOption{{
+func (b *MalojaApiBackend) Options() []models.BackendOption {
+	return []models.BackendOption{{
 		Name:  "server-url",
 		Label: "Server URL",
 		Type:  models.String,

internal/backends/scrobblerlog/scrobblerlog.go

@@ -36,8 +36,8 @@ type ScrobblerLogBackend struct {
 
 func (b *ScrobblerLogBackend) Name() string { return "scrobbler-log" }
 
-func (b *ScrobblerLogBackend) Options() *[]models.BackendOption {
-	return &[]models.BackendOption{{
+func (b *ScrobblerLogBackend) Options() []models.BackendOption {
+	return []models.BackendOption{{
 		Name:  "file-path",
 		Label: "File path",
 		Type:  models.String,

internal/backends/spotify/spotify.go

@@ -39,8 +39,8 @@ type SpotifyApiBackend struct {
 
 func (b *SpotifyApiBackend) Name() string { return "spotify" }
 
-func (b *SpotifyApiBackend) Options() *[]models.BackendOption {
-	return &[]models.BackendOption{{
+func (b *SpotifyApiBackend) Options() []models.BackendOption {
+	return []models.BackendOption{{
 		Name:  "client-id",
 		Label: "Client ID",
 		Type:  models.String,

internal/backends/subsonic/subsonic.go

@@ -34,8 +34,8 @@ type SubsonicApiBackend struct {
 
 func (b *SubsonicApiBackend) Name() string { return "subsonic" }
 
-func (b *SubsonicApiBackend) Options() *[]models.BackendOption {
-	return &[]models.BackendOption{{
+func (b *SubsonicApiBackend) Options() []models.BackendOption {
+	return []models.BackendOption{{
 		Name:  "server-url",
 		Label: "Server URL",
 		Type:  models.String,

internal/cli/services.go

@@ -0,0 +1,88 @@
+/*
+Copyright © 2023 Philipp Wolfer <phw@uploadedlobster.com>
+
+Scotty is free software: you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later version.
+
+Scotty is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+Scotty. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package cli
+
+import (
+	"errors"
+	"fmt"
+	"slices"
+
+	"github.com/manifoldco/promptui"
+	"go.uploadedlobster.com/scotty/internal/backends"
+	"go.uploadedlobster.com/scotty/internal/config"
+)
+
+func SelectService() (config.ServiceConfig, error) {
+	services := config.AllServicesAsList()
+	if len(services) == 0 {
+		err := errors.New("no existing service configurations")
+		return config.ServiceConfig{}, err
+	}
+	sel := promptui.Select{
+		Label: "Service",
+		Items: services,
+		Size:  10,
+	}
+	i, _, err := sel.Run()
+	if err != nil {
+		return config.ServiceConfig{}, err
+	}
+	return services[i], nil
+}
+
+func SelectBackend(selected string) (string, error) {
+	backendList := backends.GetBackends()
+	i := slices.IndexFunc(backendList, func(b backends.BackendInfo) bool {
+		return b.Name == selected
+	})
+	sel := promptui.Select{
+		Label:     "Backend",
+		Items:     backendList,
+		CursorPos: i,
+		Size:      10,
+	}
+	_, backend, err := sel.Run()
+	return backend, err
+}
+
+func PromptExtraOptions(config config.ServiceConfig) (config.ServiceConfig, error) {
+	backend, err := backends.BackendByName(config.Backend)
+	if err != nil {
+		return config, err
+	}
+	opts := backend.Options()
+	if opts == nil {
+		return config, nil
+	}
+
+	values := make(map[string]any, len(opts))
+	for _, opt := range opts {
+		// Use current value as default
+		current, exists := config.ConfigValues[opt.Name]
+		if exists {
+			opt.Default = fmt.Sprintf("%v", current)
+		}
+
+		val, err := Prompt(opt)
+		if err != nil {
+			return config, err
+		}
+		values[opt.Name] = val
+	}
+
+	config.ConfigValues = values
+	return config, nil
+}

internal/config/services.go

@@ -17,6 +17,7 @@ package config
 
 import (
 	"fmt"
+	"sort"
 
 	"github.com/spf13/cast"
 	"github.com/spf13/viper"
@@ -44,6 +45,10 @@ func NewServiceConfig(name string, config *viper.Viper) ServiceConfig {
 	return service
 }
 
+func (c ServiceConfig) String() string {
+	return c.Name
+}
+
 func (c *ServiceConfig) GetString(key string) string {
 	return cast.ToString(c.ConfigValues[key])
 }
@@ -66,13 +71,27 @@ func (c *ServiceConfig) Save() error {
 	return viper.WriteConfig()
 }
 
+type ServiceList []ServiceConfig
+
+func (l ServiceList) Len() int {
+	return len(l)
+}
+
+func (l ServiceList) Less(i, j int) bool {
+	return l[i].Name < l[j].Name
+}
+
+func (l ServiceList) Swap(i, j int) {
+	l[i], l[j] = l[j], l[i]
+}
+
 func AllServices() map[string]ServiceConfig {
 	services := make(map[string]ServiceConfig)
 	config := viper.Sub("service")
 	if config != nil {
-		for k, v := range config.AllSettings() {
-			s, ok := v.(*viper.Viper)
-			if ok {
+		for k := range config.AllSettings() {
+			s := config.Sub(k)
+			if s != nil {
 				services[k] = NewServiceConfig(k, s)
 			}
 		}
@@ -80,6 +99,16 @@ func AllServices() map[string]ServiceConfig {
 	return services
 }
 
+func AllServicesAsList() ServiceList {
+	services := AllServices()
+	list := make(ServiceList, 0, len(services))
+	for _, s := range services {
+		list = append(list, s)
+	}
+	sort.Sort(list)
+	return list
+}
+
 func GetService(name string) (*ServiceConfig, error) {
 	key := "service." + name
 	config := viper.Sub(key)

internal/models/interfaces.go

@@ -35,7 +35,7 @@ type Backend interface {
 	FromConfig(config *config.ServiceConfig) Backend
 
 	// Return configuration options
-	Options() *[]BackendOption
+	Options() []BackendOption
 }
 
 type ImportBackend interface {