use oos::def::*;
use oos::wn::gdi::*;
use oos::wn::ui::*;


const BALL_NUMBER: usize = 8;
const YSPACE: INT = 5;


static mut RECT: [rc::RCT;BALL_NUMBER] = [rc::NULL;BALL_NUMBER];


static mut DC: HAND = NULL;
static mut WIN_SIZE: rc::RCT = rc::NULL;


static mut PIECE: INT = 0;
static mut YPIECE: INT = 0;
static mut HALF: INT = 0;


unsafe extern "stdcall" fn proc(
    wnd: HAND, 
    msg: UINT, 
    wparam: WPARAM, 
    lparam: LPARAM
) -> LRESULT{
    if msg == mg::message::CREATE{
        DC = dc::get(wnd);
        rc::get(wnd, std::ptr::addr_of_mut!(WIN_SIZE));
        PIECE = WIN_SIZE.width / BALL_NUMBER as INT;
        YPIECE = WIN_SIZE.height / YSPACE;
        HALF = WIN_SIZE.height / 2;
        for i in 0..BALL_NUMBER{
            RECT[i].left = PIECE * i as INT;
            RECT[i].top = HALF;
            RECT[i].width = PIECE;
            RECT[i].height = YPIECE;
        }
    }else if msg == mg::message::PAINT{
        draw::rect(wnd, WIN_SIZE.left, WIN_SIZE.top, WIN_SIZE.width, WIN_SIZE.height);
        for i in 0..BALL_NUMBER{
            draw::rect(DC, 
                RECT[i].left, RECT[i].top, RECT[i].width, RECT[i].height);
            RECT[i].top -= 1;
        }
    }
    mg::default(wnd, msg, wparam, lparam)
}


static mut HWND: HAND = NULL;
static mut MSG: mg::MSG = mg::NULL;


static mut CLS: rg::CLS = rg::CLS{
    style: rg::style::OWNDC, 
    proc: proc, 
    cls_extra: 0, 
    win_extra: 0, 
    inst: NULL, 
    icon: NULL, 
    cursor: NULL, 
    bkg: NULL, 
    menu_name: SCNULL, 
    cls_name: "OrangeTestWindow\0".as_ptr()
};


#[test]
fn tests() {unsafe{
    CLS.inst = oos::wn::lb::get(SNULL);
    rg::reg(std::ptr::addr_of_mut!(CLS));
    HWND = wn::new(
        0, 
        CLS.cls_name, 
        "There!->->->->->->->->->->->->\0".as_ptr(), 
        wn::style::WINDOW | wn::style::VISIT, 
        -1, -1, 1000, 500, 
        NULL, 0, 
        CLS.inst, NULL
    );
    while mg::get(std::ptr::addr_of_mut!(MSG), HWND, 0, 0) != 0{
        mg::translate(std::ptr::addr_of_mut!(MSG));
        mg::dispatch(std::ptr::addr_of_mut!(MSG));
        mg::post(HWND, mg::message::PAINT, 0, 0);
    }
}}