package inventory

import (
	"context"
	"fmt"

	"git.georgsen.dk/hwlab/internal/netbox"
)

// CatalogUpdater persists quality gate transitions to NetBox.
type CatalogUpdater struct {
	client *netbox.Client
}

// NewCatalogUpdater creates a CatalogUpdater backed by the given NetBox client.
func NewCatalogUpdater(client *netbox.Client) *CatalogUpdater {
	return &CatalogUpdater{client: client}
}

// UpdateCatalogStatus validates the transition from current to next status
// and persists the result to NetBox via PatchCustomFields.
// Returns the new status on success.
//
// All catalog_status writes MUST go through this method to ensure T-04-01 mitigation:
// the quality gate transition is always validated before any NetBox PATCH.
func (u *CatalogUpdater) UpdateCatalogStatus(ctx context.Context, deviceID int, current, next CatalogStatus) (CatalogStatus, error) {
	newStatus, err := Transition(current, next)
	if err != nil {
		return "", err
	}
	patch := map[string]interface{}{
		"catalog_status": string(newStatus),
	}
	if err := u.client.PatchCustomFields(ctx, deviceID, patch); err != nil {
		return "", fmt.Errorf("persist catalog_status to NetBox: %w", err)
	}
	return newStatus, nil
}