BrowserOS/packages/browseros-agent/apps/cli/config/config.go

package config

import (
	"fmt"
	"os"
	"path/filepath"

	"gopkg.in/yaml.v3"
)

type Config struct {
	ServerURL string `yaml:"server_url"`
}

func Dir() string {
	if xdg := os.Getenv("XDG_CONFIG_HOME"); xdg != "" {
		return filepath.Join(xdg, "browseros-cli")
	}
	home, _ := os.UserHomeDir()
	return filepath.Join(home, ".config", "browseros-cli")
}

func Path() string {
	return filepath.Join(Dir(), "config.yaml")
}

func Load() (*Config, error) {
	data, err := os.ReadFile(Path())
	if err != nil {
		if os.IsNotExist(err) {
			return &Config{}, nil
		}
		return nil, err
	}
	var cfg Config
	if err := yaml.Unmarshal(data, &cfg); err != nil {
		return nil, fmt.Errorf("parsing config: %w", err)
	}
	return &cfg, nil
}

func Save(cfg *Config) error {
	dir := Dir()
	if err := os.MkdirAll(dir, 0755); err != nil {
		return err
	}
	data, err := yaml.Marshal(cfg)
	if err != nil {
		return err
	}
	header := "# browseros-cli configuration\n# Run: browseros-cli config --path\n\n"
	return os.WriteFile(Path(), []byte(header+string(data)), 0644)
}