package datavisor

import (
	"os"
	"path/filepath"
	"ripple/config"
	"ripple/state"
	"ripple/transport"
	"ripple/types"
)

func Init(configPath string) error {

	cfg, err := loadConfigFile(configPath)
	if err != nil {
		return err
	}

	port := int(cfg.Port)
	username := string(cfg.Username)
	serverAddress := string(cfg.ServerAddress)
	var secretKey [32]byte
	copy(secretKey[:], cfg.SecretKey[:])

	homeDir, err := os.UserHomeDir()
	if err != nil {
		return err
	}
	dataDir := filepath.Join(homeDir, config.DataDir)
	if err := os.MkdirAll(dataDir, 0700); err != nil {
		return err
	}

	userID := types.UserIdentifier{
		Username:      username,
		ServerAddress: serverAddress,
	}

	if err := transport.Init(port, userID, secretKey); err != nil {
		return err
	}
	if err := state.Init(secretKey); err != nil {
		return err
	}
	return nil
}