// This is the public API offered by your entity.
syntax = "proto3";

import "google/protobuf/empty.proto";
import "kalix/annotations.proto";
import "google/api/annotations.proto";

package com.example;

message IncreaseValue {
  string counter_id = 1 [(kalix.field).entity_key = true];
  int32 value = 2;
}

message DecreaseValue {
  string counter_id = 1 [(kalix.field).entity_key = true];
  int32 value = 2;
}

message ResetValue {
  string counter_id = 1 [(kalix.field).entity_key = true];
}

message GetCounter {
  string counter_id = 1 [(kalix.field).entity_key = true];
}

message CurrentCounter {
  int32 value = 1;
}

service CounterService {
  option (kalix.codegen).event_sourced_entity = {
    name: "Counter"
    entity_type: "counter"
    state: "com.example.domain.CounterState"
    events: "com.example.domain.ValueIncreased"
    events: "com.example.domain.ValueDecreased"
    events: "com.example.domain.ValueReset"
  };

  rpc Increase(IncreaseValue) returns (google.protobuf.Empty);
  rpc Decrease(DecreaseValue) returns (google.protobuf.Empty);
  rpc Reset(ResetValue) returns (google.protobuf.Empty);
  rpc GetCurrentCounter(GetCounter) returns (CurrentCounter);
}