#include "devices/storage/RAMDisk/RAMDiskDevice.hpp"

#include "kapi/memory.hpp"
#include "kapi/system.hpp"

#include <kstd/print>

#include <cstddef>

namespace devices::storage::ram_disk
{
  ram_disk_device::ram_disk_device(kapi::memory::linear_address data_start, size_t data_size)
      : m_data_start(data_start)
      , m_data_size(data_size)
  {}

  auto ram_disk_device::read_block(size_t block_index, void * /*buffer*/) const -> void
  {
    // if (buffer == nullptr)
    // {
    //   kapi::system::panic("[RAM DISK DEVICE] read_block called with null buffer.");
    // }

    auto const offset = block_index * block_size;
    if (offset + block_size >
        m_data_size)  // TODO BA-FS26 really correct, what if block_size doesn't divide m_data_size?
    {
      kapi::system::panic("[RAM DISK DEVICE] read_block out of bounds.");
    }

    auto const source = static_cast<std::byte *>(m_data_start) + offset;
    for (size_t i = 0; i < block_size; ++i)
    {
      kstd::println("address: {}, value: {}", source + i, std::to_integer<unsigned int>(*(source + i)));
    }
    // std::memcpy(buffer, source, block_size);
  }
}  // namespace devices::storage::ram_disk