package main

import (
	"encoding/json"
	"errors"
	"fmt"
	"net"
	"os"

	"github.com/apprehensions/xfts/internal/server"
)

func main() {
	if len(os.Args) != 3 {
		fmt.Fprintln(os.Stderr, "usage: %s src dest", os.Args[0])
		os.Exit(1)
	}

	fi, err := os.Stat(os.Args[1])
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(1)
	}

	// xfiles sends EVERYTHING and ALL files to xfilesthumb
	if fi.IsDir() || fi.Size() < 1 {
		fmt.Println("skipping")
		os.Exit(1)
	}

	err = send(server.Request{
		Source:      os.Args[1],
		Destination: os.Args[2],
	})
	if err != nil {
		fmt.Fprintf(os.Stderr, "send: %s\n", err)
		os.Exit(1)
	}
}

func send(r server.Request) error {
	if _, err := os.Stat(r.Source); err != nil {
		return err
	}

	conn, err := net.Dial("unix", server.Socket)
	if err != nil {
		return err
	}
	defer conn.Close()

	if err := json.NewEncoder(conn).Encode(r); err != nil {
		return err
	}

	buf := make([]byte, 1024)
	n, err := conn.Read(buf)
	if err != nil {
		return err
	}
	resp := string(buf[:n])

	if _, err := os.Stat(r.Destination); err != nil {
		return errors.New(resp)
	}

	return nil
}