package syncthing

import (
	"encoding/xml"
	"os"

	"git.davoryn.de/calic/syncwarden/internal/config"
)

type syncthingConfig struct {
	GUI struct {
		APIKey string `xml:"apikey"`
	} `xml:"gui"`
}

// DiscoverAPIKey reads the Syncthing config.xml and extracts the API key.
func DiscoverAPIKey() (string, error) {
	data, err := os.ReadFile(config.SyncthingConfigPath())
	if err != nil {
		return "", err
	}
	var cfg syncthingConfig
	if err := xml.Unmarshal(data, &cfg); err != nil {
		return "", err
	}
	return cfg.GUI.APIKey, nil
}