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

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

#include <kstd/print>

#include <cstddef>

namespace devices::storage::ram_disk
{
  ram_disk_device::ram_disk_device(kapi::boot_modules::boot_module const & module)
      : m_boot_module(module)
  {}

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

    auto const source = static_cast<std::byte *>(m_boot_module.start_address) + 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