/*
 * p3scan.c — диагностика полного пути scan/store/sort большого каталога.
 *
 * Использует те же банковые модули P3, но не делает panel change/rollback,
 * поэтому сохраняет точные rc, errno и состояние панели в точке отказа.
 */

#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <conio.h>
#include <sprinter_mem.h>
#include "sc_panel.h"
#include "sc_source.h"
#include "sc_store.h"

static ScPanel panel;
static ScDirEntry entry;

int main(void)
{
    uint8_t block;
    uint8_t page;
    int rc;
    int saved_errno;

    (void)settextmode(TEXT_MODE_80x32);
    clrscr_attr(0x17);
    gotoxy(0, 0);
    textattr(0x1Fu);
    cputs("P3 scan/store/sort diagnostic\r\n\r\n");
    textattr(0x17u);

    block = mem_alloc_pages(1u);
    page = block ? mem_get_page(block, 0u) : 0u;
    printf("EMM: block=%u page=%02X errno=%d\n",
           (unsigned)block, (unsigned)page, errno);
    if (!block || !page) goto done;

    memset(&panel, 0, sizeof(panel));
    strcpy(panel.path, "\\BIGDIR");
    panel.phys_page = page;

    puts("Calling sc_source_fs_scan...");
    errno = 0;
    rc = sc_source_fs_scan(&panel);
    saved_errno = errno;
    printf("scan: rc=%d errno=%d count=%u trunc=%u\n",
           rc, saved_errno, (unsigned)panel.count,
           (unsigned)panel.truncated);
    printf("view: cursor=%u top=%u total=%lu\n",
           (unsigned)panel.cursor, (unsigned)panel.top,
           (unsigned long)panel.total_size);

    if (panel.count != 0u && sc_store_get(&panel, 0u, &entry) == 0)
        printf("first: %s attr=%02X flags=%02X\n", entry.name,
               (unsigned)entry.attr, (unsigned)entry.flags);
    if (panel.count != 0u &&
        sc_store_get(&panel, (uint16_t)(panel.count - 1u), &entry) == 0)
        printf("last : %s attr=%02X flags=%02X\n", entry.name,
               (unsigned)entry.attr, (unsigned)entry.flags);

    mem_free_block(block);

done:
    textattr(0x1Eu);
    cputs("\r\nProbe stopped; MAME test will take snapshots.");
    for (;;) (void)getkey();
}