#include "tlbmc/hal/fru_scanner_gpio.h"

#include <memory>
#include <string>
#include <utility>
#include <vector>

#include "bus_topology.pb.h"
#include "absl/log/log.h"
#include "absl/memory/memory.h"
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "g3/macros.h"
#include "tlbmc/collector/gpio_collector.h"
#include "gpio_config.pb.h"
#include "gpio_fru_config.pb.h"
#include "tlbmc/hal/fru_scanner.h"
#include "status.pb.h"

namespace milotic_tlbmc {

absl::StatusOr<std::unique_ptr<FruScannerGpio>> FruScannerGpio::Create(
    const Options& options) {
  if (options.gpio_collector == nullptr) {
    return absl::InvalidArgumentError(
        "FruScannerGpio::Create: GpioCollector cannot be null");
  }
  return absl::WrapUnique(
      new FruScannerGpio(options.components, options.gpio_collector));
}

absl::StatusOr<std::vector<std::unique_ptr<GpioFruInfo>>>
FruScannerGpio::ScanAllGpioFrus() const {
  if (gpio_collector_ == nullptr) {
    return absl::InternalError(
        "FruScannerGpio::ScanAllGpioFrus: GpioCollector is null");
  }

  std::vector<std::unique_ptr<GpioFruInfo>> gpio_frus;
  for (const auto& component : gpio_components_) {
    if (component.gpio_line_name().empty()) {
      continue;
    }
    auto gpio_fru = std::make_unique<GpioFruInfo>();
    gpio_fru->expected_barepath = component.barepath();
    ECCLESIA_ASSIGN_OR_RETURN(
        bool is_active, gpio_collector_->IsActive(component.gpio_line_name()));

    if (is_active) {
      gpio_fru->presence_status = PresenceStatus::PRESENCE_STATUS_PRESENT;
    } else {
      gpio_fru->presence_status = PresenceStatus::PRESENCE_STATUS_NOT_FOUND;
    }
    gpio_frus.push_back(std::move(gpio_fru));
  }
  return gpio_frus;
}

}  // namespace milotic_tlbmc