#ifndef WINDOW_H
#define WINDOW_H

#include <windows.h>

#include "data.h"
#include "datalistview.h"
#include "drag.h"
#include "episodelistview.h"
#include "res.h"
#include "win32.h"

struct Window
{
	HWND hWnd;
	HWND hWndFocus = nullptr;
	HWND hWndStatus = nullptr;
	const HMENU hMenuPopup = []()
	{
		HMENU hm;
		if (!(hm = LoadMenuW(nullptr, MAKEINTRESOURCE(IDR_POPUPMENU))))
			throw Err(WINDOWS, L"Context menu could not be loaded: %s.");
		if (!GetSubMenu(hm, 0))
			throw Err(WINDOWS, L"Submenu could not be retrieved: %s.");
		return hm;
	}();

	/* File views. */
	FileView<CfgA> fvCfg = FileView<CfgA>::Initialized(L"cfg.dat", 1);
	CfgA& cfg = fvCfg.At(0);
	FileView<ElvDataA> fvElv{L"elvdata.dat", cfg.cEp+128u};
	FileView<DlvDataA> fvDlv{L"dlvdata.dat", cfg.cEp+128u};

	/* Layout handlers. */
	DlvDragger dragDlv = DlvDragger(*this);

	/* Child window objects. */
	DataListView dlv = DataListView(*this);
	EpisodeListView elv = EpisodeListView(*this);

	inline Window(HWND hWnd) : hWnd(hWnd) {}
	LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);

	/* Given main window's width and height, set appropriate
	 * positions and sizes for child windows. */
	void UpdateLayout(int w = 0, int h = 0);

	/* Process main menu commands. */
	void HandleMainMenu(HWND, WORD);

	/* Display text in status bar. */
	void Status(const wchar_t* msg, unsigned short i = 0) noexcept;

	/* Try to style application according to current Windows theme. */
	void UpdateTheme();
};

#endif