#include "Window.h"
#include "_caster.h"
namespace MiniEngine
{
//private
void Window::_set(SDL_Window* p)
{
    _wnd.reset(p,SDL_DestroyWindow);
}

//private
void Window::_clear()
{
    _wnd.reset();
}

//private
SDL_Window* Window::_get() const
{
    return _wnd.get();
}

Window::Window(std::string Title, int Width, int Height,
               std::initializer_list<WindowType> WindowFlags, int WindowPositionX, int WindowPositionY)
{
    /// Calculate Window Flags
    Uint32 windowFlag=0;
    for(auto v:WindowFlags)
    {
        windowFlag|=_internal::getSDLWindowFlagsFromWindowType(v);
    }

    SDL_Window* temp = SDL_CreateWindow(Title.c_str(), WindowPositionX, WindowPositionY, Width, Height, windowFlag);
    if (temp == NULL)
    {
        ErrorViewer e;
        e.fetch();
        throw e;
    }

    _set(temp);
}

Rect Window::getSize() const
{
    int w, h;
    SDL_GetWindowSize(_get(), &w, &h);
    return Rect(0, 0, w, h);
}

void Window::setSize(const Rect& sizeRect)
{
    setSize(sizeRect.w, sizeRect.h);
}

void Window::setSize(int w, int h)
{
    SDL_SetWindowSize(_get(), w, h);
}

Point Window::getPosition() const
{
    int x, y;
    SDL_GetWindowPosition(_get(), &x, &y);
    return Point(x, y);
}

void Window::setPosition(int x, int y)
{
    SDL_SetWindowPosition(_get(), x, y);
}

void Window::setPosition(const Point& point)
{
    SDL_SetWindowPosition(_get(), point.x, point.y);
}

void Window::setTitle(const std::string& Title)
{
    SDL_SetWindowTitle(_get(), Title.c_str());
}

std::string Window::getTitle() const
{
    return std::string(SDL_GetWindowTitle(_get()));
}

void Window::setGrab(bool isGrab)
{
    SDL_SetWindowGrab(_get(),isGrab?SDL_TRUE:SDL_FALSE);
}

bool Window::getGrab() const
{
    return (SDL_GetWindowGrab(_get())==SDL_TRUE)?true:false;
}

#if _MINIENGINE_SDL_VERSION_ATLEAST(2,0,5)
int Window::setOpacity(float opacity)
{
    return SDL_SetWindowOpacity(_get(),opacity);
}
float Window::getOpacity() const
{
    float op=-1;
    SDL_GetWindowOpacity(_get(),&op);
    return op;
}
#endif /// End of SDL2 2.0.5 Require.

/// FIXME: Not Implemented.
void Window::setResizable(bool resizable)
{
    //SDL_SetWindowResizable(_get(), resizable?SDL_TRUE:SDL_FALSE);
}

void Window::show()
{
    SDL_ShowWindow(_get());
}

void Window::hide()
{
    SDL_HideWindow(_get());
}

void Window::raise()
{
    SDL_RaiseWindow(_get());
}

void Window::minimize()
{
    SDL_MinimizeWindow(_get());
}

void Window::maximize()
{
    SDL_MaximizeWindow(_get());
}

void Window::restore()
{
    SDL_RestoreWindow(_get());
}

_DECL_DEPRECATED Surface Window::getSurface()
{
    SDL_Surface* temp = SDL_GetWindowSurface(_get());
    Surface s;
    /// Don't Free This Surface
    s._set_no_delete(temp);
    return s;
}

void Window::release()
{
    _clear();
}

int Window::showSimpleMessageBox(MessageBoxType type,const std::string& Title,const std::string& Message) const
{
    Uint32 flags=0;
    switch(type)
    {
    case MessageBoxType::Error:
        flags=SDL_MESSAGEBOX_ERROR;
        break;
    case MessageBoxType::Information:
        flags=SDL_MESSAGEBOX_INFORMATION;
        break;
    case MessageBoxType::Warning:
        flags=SDL_MESSAGEBOX_WARNING;
        break;
    }
    return SDL_ShowSimpleMessageBox(flags,Title.c_str(),Message.c_str(),_get());
}

int Window::showMessageBox(const WindowMessageBox& box) const
{
    SDL_MessageBoxData mboxdata;
    mboxdata.title=box.title.c_str();
    mboxdata.message=box.text.c_str();
    mboxdata.window=_get();
    mboxdata.colorScheme=nullptr;
    mboxdata.numbuttons=box.getButtonNum();
    SDL_MessageBoxButtonData* pButtonArr=(SDL_MessageBoxButtonData*)malloc(sizeof(SDL_MessageBoxButtonData)*(mboxdata.numbuttons));
    if(pButtonArr==nullptr)
    {
        /// Failed to malloc
        return -2;
    }
    for(int i=0; i<mboxdata.numbuttons; i++)
    {
        pButtonArr[i].buttonid=i+1;
        pButtonArr[i].text=box.getButtonConst(i).text.c_str();
        pButtonArr[i].flags=
            (box.getButtonConst(i).isHitAsEscape()) ? SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT
            :(
                (box.getButtonConst(i).isHitAsReturn()) ?SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT
                :0
            );
    }
    mboxdata.buttons=pButtonArr;
    switch(box.boxtype)
    {
    case MessageBoxType::Error:
        mboxdata.flags=SDL_MESSAGEBOX_ERROR;
        break;
    case MessageBoxType::Information:
        mboxdata.flags=SDL_MESSAGEBOX_INFORMATION;
        break;
    case MessageBoxType::Warning:
        mboxdata.flags=SDL_MESSAGEBOX_WARNING;
        break;
    }

    int clickret=-2;

    /// Call SDL2 to show MessageBox.
    int ret=SDL_ShowMessageBox(&mboxdata,&clickret);

    if(ret==0)
    {
        /// Success.
        if(clickret>=1)
        {
            /// If any button is clicked, call the callback function associated with it.
            if(box.getButtonConst(clickret-1).callback)
            {
                box.getButtonConst(clickret-1).callback();
            }
        }
        else
        {
            /// ... else, call the default callback
            if(box.defaultcallback) box.defaultcallback();
        }
    }

    /// Free allocated memory
    free(pButtonArr);

    return ret;
}

bool Window::isScreenKeyboardShown()
{
    return SDL_IsScreenKeyboardShown(_get())==SDL_TRUE;
}
} /// End of namespace MiniEngine