kuma

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package config
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import (
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	"encoding/json"
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	"os"
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	"reflect"
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	"sigs.k8s.io/yaml"
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)
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func ConfigForDisplay(cfg Config) (Config, error) {
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	// copy config so we don't override values, because nested structs in config are pointers
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	newCfg, err := copyConfig(cfg)
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	if err != nil {
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		return nil, err
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	}
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	newCfg.Sanitize()
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	return newCfg, nil
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}
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func copyConfig(cfg Config) (Config, error) {
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	cfgBytes, err := json.Marshal(cfg)
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	if err != nil {
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		return nil, err
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	}
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	newCfg := reflect.New(reflect.TypeOf(cfg).Elem()).Interface().(Config)
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	if err := json.Unmarshal(cfgBytes, newCfg); err != nil {
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		return nil, err
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	}
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	return newCfg, nil
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}
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func DumpToFile(filename string, cfg Config) error {
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	if err := cfg.Validate(); err != nil {
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		return err
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	}
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	b, err := yaml.Marshal(cfg)
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	if err != nil {
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		return err
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	}
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	return os.WriteFile(filename, b, 0o600)
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}
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