// Copyright 2026 Google LLC

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

//

////////////////////////////////////////////////////////////////////////////////

#include <stdint.h>

#include <stddef.h>

#include <string>

#include <tuple>

#include <vector>

#include "condition.h"

#include "action.pb.h"

#include "system_state.pb.h"

#include "absl/time/time.h"

#include <fuzzer/FuzzedDataProvider.h>

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {

  FuzzedDataProvider provider(data, size);

  // Split the data into two parts for the two protobufs

  // We use a 50/50 split of the remaining bytes

  size_t remaining = provider.remaining_bytes();

  if (remaining < 2) {

    return 0;

  }

  size_t size1 = provider.ConsumeIntegralInRange<size_t>(0, remaining - 1);

  std::string proto1_bytes = provider.ConsumeBytesAsString(size1);

  std::string proto2_bytes = provider.ConsumeRemainingBytesAsString();

  safepower_agent_proto::Condition condition;

  if (!condition.ParseFromString(proto1_bytes)) {

    return 0;

  }

  safepower_agent_proto::SystemState system_state;

  if (!system_state.ParseFromString(proto2_bytes)) {

    return 0;

  }

  // Generate some timestamps

  absl::Time start_time = absl::FromUnixSeconds(1719657600); // Static base time

  absl::Time current_time = start_time + absl::Seconds(provider.ConsumeIntegralInRange<int64_t>(0, 3600 * 24));

  // Call the target API

  auto [status, matches] = safepower_agent::Condition::Matches(

      condition, system_state, start_time, current_time);

  return 0;

}