// Package sessionimport converts third-party Telegram session formats
// (Pyrogram SQLite, Telegram Desktop tdata) to gotd/td's native session.Data.
package sessionimport

import "fmt"

// TGDCAddr maps a Telegram data-center id to its production IP:port.
// Source: https://core.telegram.org/api/datacenter
func TGDCAddr(dc int) (string, error) {
	switch dc {
	case 1:
		return "149.154.175.53:443", nil
	case 2:
		return "149.154.167.51:443", nil
	case 3:
		return "149.154.175.100:443", nil
	case 4:
		return "149.154.167.91:443", nil
	case 5:
		return "91.108.56.130:443", nil
	}
	return "", fmt.Errorf("unsupported telegram dc_id: %d", dc)
}