// monorepo/cloud/maplefile-backend/internal/maplefile/repo/filemetadata/restore.go
package filemetadata

import (
	"fmt"
	"time"

	"github.com/gocql/gocql"
	"go.uber.org/zap"

	dom_file "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/domain/file"
)

func (impl *fileMetadataRepositoryImpl) Restore(id gocql.UUID) error {
	file, err := impl.Get(id)
	if err != nil {
		return fmt.Errorf("failed to get file for restore: %w", err)
	}

	if file == nil {
		return fmt.Errorf("file not found")
	}

	// Validate state transition
	if err := dom_file.IsValidStateTransition(file.State, dom_file.FileStateActive); err != nil {
		return fmt.Errorf("invalid state transition: %w", err)
	}

	// Update file state
	file.State = dom_file.FileStateActive
	file.ModifiedAt = time.Now()
	file.Version++
	file.TombstoneVersion = 0
	file.TombstoneExpiry = time.Time{}

	return impl.Update(file)
}

func (impl *fileMetadataRepositoryImpl) RestoreMany(ids []gocql.UUID) error {
	for _, id := range ids {
		if err := impl.Restore(id); err != nil {
			impl.Logger.Warn("failed to restore file",
				zap.String("file_id", id.String()),
				zap.Error(err))
		}
	}
	return nil
}