#include "NVMParameterBase.h"

#include <fstream>

#include "fsfw/memory/HasFileSystemIF.h"
#include "fsfw/serviceinterface/ServiceInterface.h"

NVMParameterBase::NVMParameterBase(std::string fullName) : fullName(fullName) {}

ReturnValue_t NVMParameterBase::readJsonFile() {
  if (std::experimental::filesystem::exists(fullName)) {
    // Read JSON file content into object
    std::ifstream i(fullName);
    try {
      i >> json;
    } catch (nlohmann::json::exception& e) {
      sif::warning << "Reading JSON file failed with error " << e.what() << std::endl;
      return HasReturnvaluesIF::RETURN_FAILED;
    }
    return HasReturnvaluesIF::RETURN_OK;
  }
  return HasFileSystemIF::FILE_DOES_NOT_EXIST;
}

ReturnValue_t NVMParameterBase::writeJsonFile() {
  std::ofstream o(fullName);
  try {
    o << std::setw(4) << json << std::endl;
  } catch (nlohmann::json::exception& e) {
    sif::warning << "Writing JSON file failed with error " << e.what() << std::endl;
    return HasReturnvaluesIF::RETURN_FAILED;
  }
  return HasReturnvaluesIF::RETURN_OK;
}

void NVMParameterBase::setFullName(std::string fullName) { this->fullName = fullName; }

std::string NVMParameterBase::getFullName() const { return fullName; }

bool NVMParameterBase::getJsonFileExists() { return std::experimental::filesystem::exists(fullName); }

void NVMParameterBase::printKeys() const {
  sif::info << "Printing keys for JSON file " << fullName << std::endl;
  for (const auto& key : keys) {
    sif::info << key << std::endl;
  }
}

void NVMParameterBase::print() const {
  sif::info << "Printing JSON file " << fullName << std::endl;
  for (const auto& key : keys) {
    sif::info << key << ": " << json[key] << std::endl;
  }
}