1package config
 2
 3import (
 4	"log"
 5	"path/filepath"
 6
 7	"github.com/caarlos0/env/v6"
 8)
 9
10// Callbacks provides an interface that can be used to run callbacks on different events.
11type Callbacks interface {
12	Tui(action string)
13	Push(repo string)
14	Fetch(repo string)
15}
16
17// Config is the configuration for Soft Serve.
18type Config struct {
19	BindAddr         string   `env:"SOFT_SERVE_BIND_ADDRESS" envDefault:""`
20	Host             string   `env:"SOFT_SERVE_HOST" envDefault:"localhost"`
21	Port             int      `env:"SOFT_SERVE_PORT" envDefault:"23231"`
22	KeyPath          string   `env:"SOFT_SERVE_KEY_PATH"`
23	RepoPath         string   `env:"SOFT_SERVE_REPO_PATH" envDefault:".repos"`
24	InitialAdminKeys []string `env:"SOFT_SERVE_INITIAL_ADMIN_KEY" envSeparator:"\n"`
25	Callbacks        Callbacks
26	ErrorLog         *log.Logger
27}
28
29// DefaultConfig returns a Config with the values populated with the defaults
30// or specified environment variables.
31func DefaultConfig() *Config {
32	cfg := &Config{ErrorLog: log.Default()}
33	if err := env.Parse(cfg); err != nil {
34		log.Fatalln(err)
35	}
36	if cfg.KeyPath == "" {
37		// NB: cross-platform-compatible path
38		cfg.KeyPath = filepath.Join(".ssh", "soft_serve_server_ed25519")
39	}
40	return cfg.WithCallbacks(nil)
41}
42
43// WithCallbacks applies the given Callbacks to the configuration.
44func (c *Config) WithCallbacks(callbacks Callbacks) *Config {
45	c.Callbacks = callbacks
46	return c
47}
48
49// WithErrorLogger sets the error logger for the configuration.
50func (c *Config) WithErrorLogger(logger *log.Logger) *Config {
51	c.ErrorLog = logger
52	return c
53}