syntax = "proto3";

package gatewayprotocol.v1;

import "gatewayprotocol/v1/dynamic_device_info.proto";
import "gatewayprotocol/v1/static_device_info.proto";
import "google/protobuf/timestamp.proto";

option swift_prefix = "Gateway";

enum StoreType {
  STORE_TYPE_UNSPECIFIED = 0;
  STORE_TYPE_CUSTOM = 1;
  STORE_TYPE_APPLE_APP_STORE = 2; // "AppleAppStore"
  STORE_TYPE_GOOGLE_PLAY = 3; // "GooglePlay"
}

enum TransactionState {
  TRANSACTION_STATE_UNSPECIFIED = 0;
  TRANSACTION_STATE_PENDING = 1;
  TRANSACTION_STATE_PURCHASED = 2;
  TRANSACTION_STATE_FAILED = 3;
  TRANSACTION_STATE_RESTORED = 4;
  TRANSACTION_STATE_DEFERRED = 5;
}

message TransactionData {
  google.protobuf.Timestamp timestamp = 1;	
  string product_id = 2;
  bytes event_id = 3; // Unique identifier for the event (e.g. UUID 16 bytes)
  string transaction_id = 4;
  string product = 5; // Product data as JSON
  string transaction = 6; // Transaction data as JSON
  optional string receipt = 7; // iOS only
  TransactionState transaction_state = 8;
}
    
// Request sent from WebView to Gateway to report Transaction Event (IAP)
message TransactionEventRequest {
  // Static Device Info properties
  StaticDeviceInfo static_device_info = 1;
  // Dynamic Device Info properties
  DynamicDeviceInfo dynamic_device_info = 2;
  // "AppleAppStore", "GooglePlay" (shall we consider an enum?)
  StoreType app_store = 3; 
  // Custom store name (e.g. "AmazonAppStore") only used if app_store is STORE_TYPE_CUSTOM
  string custom_store = 4; 
  // Transaction Data
  repeated TransactionData transaction_data = 5;	
}