package storage

import (
	"context"
	"os/exec"

	"github.com/darroyo/nasctl/internal/db"
	"github.com/darroyo/nasctl/internal/system"
)

type Capabilities struct {
	Rsync           bool `json:"rsync"`
	MergerfsBin     bool `json:"mergerfs"`
	MergerfsMounted bool `json:"mergerfs_mounted"`
	SnapraidBin     bool `json:"snapraid"`
}

func Probe(ctx context.Context) (Capabilities, error) {
	_, rsyncErr := exec.LookPath("rsync")
	_, snapraidErr := exec.LookPath("snapraid")
	_, mergerfsErr := exec.LookPath("mergerfs")

	_, _, mergerfsMountedErr := system.Run(ctx, "grep", "-q", "fuse.mergerfs", "/proc/mounts")

	return Capabilities{
		Rsync:           rsyncErr == nil,
		MergerfsBin:     mergerfsErr == nil,
		MergerfsMounted: mergerfsMountedErr == nil,
		SnapraidBin:     snapraidErr == nil,
	}, nil
}

func ValidatePaths(cfg db.StorageConfig) error {
	return nil
}