#ifndef UNICODE
#define UNICODE
#endif

#include <Windows.h>
#include <CommCtrl.h>

#define LoadFilesButtonClicked 1
#define SortFilesButtonClicked 2

struct FileData {
    const wchar_t* fileName;
    const FILETIME* fileTime;
};

LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);

HWND hEdit, hListViewLeft, hListViewRight, hLoadButton, hSortButton;

void AddColumns(HWND hListView)
{
    LVCOLUMN lvCol = { };
    lvCol.mask = LVCF_TEXT | LVCF_WIDTH | LVCF_SUBITEM;

    lvCol.cx = 100;
    lvCol.pszText = (LPWSTR)L"Index";
    ListView_InsertColumn(hListView, 0, &lvCol);

    lvCol.cx = 100;
    lvCol.pszText = (LPWSTR)L"File Name";
    ListView_InsertColumn(hListView, 1, &lvCol);

    lvCol.cx = 300;
    lvCol.pszText = (LPWSTR)L"Last Access Time";
    ListView_InsertColumn(hListView, 2, &lvCol);
}

void AddItemToListView(HWND hListView, int index, FileData* fileData)
{
    LVITEM lvItem;
    lvItem.mask = LVIF_TEXT;
    lvItem.iItem = index;
    lvItem.iSubItem = 0; //Позицию для вставки в колонку

}

void LoadFiles(HWND hListView, const wchar_t* directoryPath)
{

}

void SortListView(HWND hListView) {

}


int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow)
{
    const wchar_t CLASS_NAME[] = L"WINAPI_LAB1";

    WNDCLASS wc = { };
    wc.lpfnWndProc = WindowProc;
    wc.hInstance = hInstance;
    wc.lpszClassName = CLASS_NAME;

    RegisterClass(&wc);

    HWND hwnd = CreateWindowEx(0, CLASS_NAME, L"WINAPI_LAB1", WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT, CW_USEDEFAULT, 800, 600,
        NULL, NULL, hInstance, NULL
    );

    if (hwnd == NULL)
    {
        return 0;
    }

    ShowWindow(hwnd, nCmdShow);

    hEdit = CreateWindowEx(0, WC_EDIT, L"",
        WS_CHILD | WS_VISIBLE | WS_BORDER,
        10, 10, 500, 20,
        hwnd, NULL, NULL, NULL);
    ShowWindow(hEdit, TRUE);

    hListViewLeft = CreateWindowEx(0, WC_LISTVIEW, L"",
        WS_CHILD | WS_VISIBLE | WS_BORDER | LVS_REPORT,
        10, 40, 370, 500,
        hwnd, NULL, NULL, NULL);
    ShowWindow(hListViewLeft, TRUE);

    hListViewRight = CreateWindowEx(0, WC_LISTVIEW, L"",
        WS_CHILD | WS_VISIBLE | WS_BORDER | LVS_REPORT,
        390, 40, 370, 500,
        hwnd, NULL, NULL, NULL);
    ShowWindow(hListViewRight, TRUE);

    AddColumns(hListViewLeft);
    AddColumns(hListViewRight);

    hLoadButton = CreateWindowEx(0, WC_BUTTON, L"Load Files",
        WS_CHILD | WS_VISIBLE,
        530, 10, 80, 25,
        hwnd, (HMENU)LoadFilesButtonClicked, NULL, NULL);

    ShowWindow(hLoadButton, TRUE);

    hSortButton = CreateWindowEx(0, L"BUTTON", L"Sort Files",
        WS_CHILD | WS_VISIBLE,
        680, 10, 80, 25,
        hwnd, (HMENU)SortFilesButtonClicked, NULL, NULL);

    ShowWindow(hLoadButton, TRUE);

    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0) > 0)
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    return 0;
}

LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    switch (uMsg)
    {
        case WM_CREATE:
        {

        }
        break;

        case WM_COMMAND:
            switch (LOWORD(wParam))
            {
            case LoadFilesButtonClicked:
            {
                wchar_t directoryPath[MAX_PATH];
                GetWindowText(hEdit, directoryPath, MAX_PATH);
                LoadFiles(hListViewLeft, directoryPath);
            }
            break;

            case SortFilesButtonClicked:
                SortListView(hListViewRight);
                break;
            }
            break;

        case WM_CLOSE:
            PostQuitMessage(0);
            break;

        case WM_DESTROY:
            return 0;

        default:
            return DefWindowProc(hwnd, uMsg, wParam, lParam);
        }
    return 0;
}