package storage

import (
	"context"

	"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) {
	rsyncOut, _, _ := system.Run(ctx, "command", "-v", "rsync")
	snapraidOut, _, _ := system.Run(ctx, "command", "-v", "snapraid")
	mergerfsOut, _, _ := system.Run(ctx, "command", "-v", "mergerfs")

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

	return Capabilities{
		Rsync:           len(rsyncOut) > 0,
		MergerfsBin:     len(mergerfsOut) > 0,
		MergerfsMounted: mergerfsMountedErr == nil,
		SnapraidBin:     len(snapraidOut) > 0,
	}, nil
}

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