package installer

import (
	"context"
	"fmt"
	"os/exec"
	"strings"

	"github.com/samber/lo"
)

type installer struct {
	workdir string
}

// ExecuteCommand implements syscheck.CommandExecutor interface
func (i *installer) ExecuteCommand(ctx context.Context, cmds ...string) (string, error) {
	fcs := lo.Filter(cmds, func(item string, _ int) bool { return item != "" })

	if len(fcs) == 0 {
		return "", fmt.Errorf("empty commands")
	}

	cmd := exec.CommandContext(ctx, "sh", "-c", strings.Join(fcs, " "))

	output, err := cmd.CombinedOutput()
	if err != nil {
		return "", fmt.Errorf("command failed: %w, output: %s", err, string(output))
	}

	return string(output), nil
}

func NewInstaller(workdir string) *installer {
	return &installer{workdir: workdir}
}