package server

import (
	"bufio"
	"log"
	"os"
	"strings"
)

func getServerName(dir string) string {
	if err := os.Chdir(dir); err != nil {
		log.Fatal(err)
	}

	file, err := os.Open("docker-compose.yml")
	if err != nil {
		log.Fatal(err)
	}
	defer file.Close()

	scanner := bufio.NewScanner(file)

	name := dir
	for scanner.Scan() {
		txt := scanner.Text()
		txt = strings.TrimSpace(txt)
		s, found := strings.CutPrefix(txt, "container_name: ")
		if found {
			name = s
		}
	}

	if err := scanner.Err(); err != nil {
		log.Fatal(err)
	}
	return name
}