syntax = "proto3";

package qr.v1;

option go_package = "github.com/gosms-ge/go2-sdk/go/qr/v1;qrv1";

// QRService handles QR code generation
service QRService {
  // Generate a QR code for a link
  rpc GenerateQR(GenerateQRRequest) returns (GenerateQRResponse);
}

// Generate QR
message GenerateQRRequest {
  string link_id = 1;
  int32 size = 2; // 128, 256, 512, 1024
  string format = 3; // png, svg
  string foreground_color = 4; // hex color
  string background_color = 5; // hex color
  string logo_url = 6; // optional logo overlay
}

message GenerateQRResponse {
  string url = 1;
  int32 size = 2;
  string format = 3;
}