package utils

import (
	"embed"
	"os"
	"os/exec"
	"strings"
)

//go:embed assets/*
var FS embed.FS

func Exec(args ...string) error {
	fArgs := []string{"-c"}
	if len(args) > 0 {
		fArgs = append(fArgs, args...)
	}
	cmd := exec.Command("bash", fArgs...)
	cmd.Stdin = os.Stdin
	cmd.Stderr = os.Stderr

	return cmd.Run()
}

func ReadFS(filePath string) (string, error) {
	b, err := FS.ReadFile(filePath)
	return string(b), err
}

func Extract(content string, key string) (string, bool) {
	key = key + ": "
	idx := strings.Index(content, key)
	if idx == -1 {
		return "", false
	}

	// start right after "host: "
	start := idx + len(key)

	// stop at end of line
	end := strings.Index(content[start:], "\n")
	if end == -1 {
		return strings.TrimSpace(content[start:]), true
	}

	return strings.TrimSpace(content[start : start+end]), true
}