// -----------------------------------------
// HDGL EFI Bootloader (Live, Analog-Inspired)
// -----------------------------------------
#include <efi.h>
#include <efilib.h>
#include <stdint.h>

// -------------------------------
// HDGL Channel Definition
// -------------------------------
#define NUM_CHANNELS 64
#define PAGE_SIZE    4096

typedef struct {
    uint8_t buffer[PAGE_SIZE];
    CHAR16 *device_name;
    BOOLEAN active;
} HDGLChannel;

HDGLChannel channels[NUM_CHANNELS];

// -------------------------------
// HDGL Lattice Operations
// -------------------------------
void hdgl_operate_channel(int idx) {
    for (int i = 0; i < PAGE_SIZE; i++) {
        channels[idx].buffer[i] = (channels[idx].buffer[i] + 1) % 256;
    }
}

void hdgl_harmonic_fusion() {
    for (int i = 0; i < NUM_CHANNELS-1; i++) {
        if (channels[i].active && channels[i+1].active) {
            for (int b = 0; b < PAGE_SIZE; b++) {
                channels[i].buffer[b] = (channels[i].buffer[b] + channels[i+1].buffer[b]) / 2;
            }
        }
    }
}

// -------------------------------
// Map kernel/initramfs pages
// -------------------------------
EFI_STATUS map_bytes_to_channels(UINT8 *data, UINTN data_size, CHAR16 *device_name) {
    UINTN pages = data_size / PAGE_SIZE + ((data_size % PAGE_SIZE) ? 1 : 0);
    for (UINTN i = 0; i < pages; i++) {
        HDGLChannel *ch = &channels[i % NUM_CHANNELS];
        ch->active = TRUE;
        ch->device_name = device_name;
        UINTN offset = i * PAGE_SIZE;
        UINTN copy_size = (data_size - offset > PAGE_SIZE) ? PAGE_SIZE : (data_size - offset);
        CopyMem(ch->buffer, data + offset, copy_size);
    }
    return EFI_SUCCESS;
}

// -------------------------------
// Boot Entry Point
// -------------------------------
EFI_STATUS
EFIAPI
efi_main(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable) {
    InitializeLib(ImageHandle, SystemTable);

    Print(L"HDGL EFI Bootloader Starting...\n");

    // Example: Pretend kernel/initramfs bytes are embedded or loaded via EFI protocol
    UINT8 *kernel_bytes = NULL;    // Should be filled from EFI read
    UINTN kernel_size = 0;         // Fill actual size
    UINT8 *initrd_bytes = NULL;    // Same
    UINTN initrd_size = 0;         // Same

    map_bytes_to_channels(kernel_bytes, kernel_size, L"CPU");
    map_bytes_to_channels(initrd_bytes, initrd_size, L"Initramfs");

    // Run lattice operations
    for (int i = 0; i < NUM_CHANNELS; i++) hdgl_operate_channel(i);
    hdgl_harmonic_fusion();

    Print(L"HDGL lattice ready. Booting OS...\n");

    // Launch kernel via EFI (stub example)
    EFI_LOADED_IMAGE *LoadedImage;
    SystemTable->BootServices->HandleProtocol(ImageHandle,
        &LoadedImageProtocol, (VOID **)&LoadedImage);

    // TODO: Replace with actual EFI kernel boot call
    Print(L"Booting kernel from HDGL channels...\n");

    return EFI_SUCCESS;
}
