package main

import (
	"git.binarythought.com/cdramey/sdb"
	"fmt"
	"io/ioutil"
	"os"
)

func main() {
	if len(os.Args) < 2 {
		fmt.Fprintf(os.Stderr,
			"required argument missing\n")
		os.Exit(1)
	}

	raw, err := ioutil.ReadFile(os.Args[1])
	if err != nil {
		fmt.Fprintf(os.Stderr,
			"error reading \"%s\": %s\n",
			os.Args[1], err.Error())
	}

	data, err := sdb.ParseSDB(raw)
	if err != nil {
		fmt.Fprintf(os.Stderr,
			"%s\n", err.Error())
		os.Exit(1)
	}

	fmt.Printf("Protocol Revision: %d\n",
		data.ProtocolRevision)
	fmt.Printf("Message Length: %d\n",
		data.Length)
	for c, i := range data.Elements {
		if c > 0 {
			fmt.Println()
		}
		switch v := i.(type) {
		case sdb.MOHeader:
			fmt.Printf("\tMO Header IEI: %d\n",
				v.IEI)
			fmt.Printf("\tMO Header Length: %d\n",
				v.Length)
			fmt.Printf("\tMO Header CDR Reference: %d\n",
				v.CDRReference)
			fmt.Printf("\tMO Header IMEI: %s\n",
				v.IMEI)
			fmt.Printf("\tMO Header Status: %s (%d)\n",
				v.StatusString(), v.Status)
			fmt.Printf("\tMO Header MOMSN: %d\n",
				v.MOMSN)
			fmt.Printf("\tMO Header MTMSN: %d\n",
				v.MTMSN)
			fmt.Printf("\tMO Header Session Time: %s\n",
				v.SessionTime().String())

		case sdb.MOPayload:
			fmt.Printf("\tMO Payload IEI: %d\n",
				v.IEI)
			fmt.Printf("\tMO Payload Length: %d\n",
				v.Length)

		case sdb.MOConfirmation:
			fmt.Printf("\tMO Confirmation IEI: %d\n",
				v.IEI)
			fmt.Printf("\tMO Confirmation Length: %d\n",
				v.Length)
			fmt.Printf("\tMO Confirmation Status: %d\n",
				v.Status)
		}
	}
}