/*
  Copyright (C) 2001 Kimmo Pekkola

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version 2
  of the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#ifndef __RAINMETER_H__
#define __RAINMETER_H__

#include <windows.h>
#include <map>
#include <vector>
#include <list>
#include <string>
#include "Litestep.h"
#include "MeterWindow.h"

#define MAX_LINE_LENGTH 4096

#define APPNAME L"Rainmeter"
#ifdef _WIN64
#define APPBITS L"64-bit"
#else
#define APPBITS L"32-bit"
#endif
#define WIDEN2(x) L ## x
#define WIDEN(x) WIDEN2(x)
#define APPDATE WIDEN(__DATE__)

// Callbacks for Litestep
void RainmeterRefresh(HWND, const char* arg);
void RainmeterRefreshApp(HWND, const char* arg);
void RainmeterRedraw(HWND, const char* arg);
void RainmeterUpdate(HWND, const char* arg);
void RainmeterShow(HWND, const char* arg);
void RainmeterHide(HWND, const char* arg);
void RainmeterToggle(HWND, const char* arg);
void RainmeterShowFade(HWND, const char* arg);
void RainmeterHideFade(HWND, const char* arg);
void RainmeterToggleFade(HWND, const char* arg);
void RainmeterShowBlur(HWND, const char* arg);
void RainmeterHideBlur(HWND, const char* arg);
void RainmeterToggleBlur(HWND, const char* arg);
void RainmeterAddBlur(HWND, const char* arg);
void RainmeterRemoveBlur(HWND, const char* arg);
void RainmeterShowMeter(HWND, const char* arg);
void RainmeterHideMeter(HWND, const char* arg);
void RainmeterToggleMeter(HWND, const char* arg);
void RainmeterMoveMeter(HWND, const char* arg);
void RainmeterUpdateMeter(HWND, const char* arg);
void RainmeterEnableMeasure(HWND, const char* arg);
void RainmeterDisableMeasure(HWND, const char* arg);
void RainmeterToggleMeasure(HWND, const char* arg);
void RainmeterUpdateMeasure(HWND, const char* arg);
void RainmeterCommandMeasure(HWND, const char* arg);
void RainmeterActivateConfig(HWND, const char* arg);
void RainmeterDeactivateConfig(HWND, const char* arg);
void RainmeterToggleConfig(HWND, const char* arg);
void RainmeterMove(HWND, const char* arg);
void RainmeterZPos(HWND, const char* arg);
void RainmeterClickThrough(HWND, const char* arg);
void RainmeterDraggable(HWND, const char* arg);
void RainmeterSnapEdges(HWND, const char* arg);
void RainmeterKeepOnScreen(HWND, const char* arg);
void RainmeterSetTransparency(HWND, const char* arg);
void RainmeterSetVariable(HWND, const char* arg);
void RainmeterSetOption(HWND, const char* arg);

void RainmeterRefreshGroup(HWND, const char* arg);
void RainmeterRedrawGroup(HWND, const char* arg);
void RainmeterUpdateGroup(HWND, const char* arg);
void RainmeterShowGroup(HWND, const char* arg);
void RainmeterHideGroup(HWND, const char* arg);
void RainmeterToggleGroup(HWND, const char* arg);
void RainmeterShowFadeGroup(HWND, const char* arg);
void RainmeterHideFadeGroup(HWND, const char* arg);
void RainmeterToggleFadeGroup(HWND, const char* arg);
void RainmeterShowMeterGroup(HWND, const char* arg);
void RainmeterHideMeterGroup(HWND, const char* arg);
void RainmeterToggleMeterGroup(HWND, const char* arg);
void RainmeterUpdateMeterGroup(HWND, const char* arg);
void RainmeterEnableMeasureGroup(HWND, const char* arg);
void RainmeterDisableMeasureGroup(HWND, const char* arg);
void RainmeterToggleMeasureGroup(HWND, const char* arg);
void RainmeterUpdateMeasureGroup(HWND, const char* arg);
void RainmeterDeactivateConfigGroup(HWND, const char* arg);
void RainmeterZPosGroup(HWND, const char* arg);
void RainmeterClickThroughGroup(HWND, const char* arg);
void RainmeterDraggableGroup(HWND, const char* arg);
void RainmeterSnapEdgesGroup(HWND, const char* arg);
void RainmeterKeepOnScreenGroup(HWND, const char* arg);
void RainmeterSetTransparencyGroup(HWND, const char* arg);
void RainmeterSetVariableGroup(HWND, const char* arg);
void RainmeterSetOptionGroup(HWND, const char* arg);

void RainmeterLsHook(HWND, const char* arg);
void RainmeterAbout(HWND, const char* arg);
void RainmeterManage(HWND, const char* arg);
void RainmeterSkinMenu(HWND, const char* arg);
void RainmeterTrayMenu(HWND, const char* arg);
void RainmeterResetStats(HWND, const char* arg);
void RainmeterWriteKeyValue(HWND, const char* arg);
void RainmeterPluginBang(HWND, const char* arg);
void RainmeterQuit(HWND, const char* arg);

// Callbacks for Unicode support
void RainmeterActivateConfigWide(const WCHAR* arg);
void RainmeterDeactivateConfigWide(const WCHAR* arg);
void RainmeterToggleConfigWide(const WCHAR* arg);
void RainmeterDeactivateConfigGroupWide(const WCHAR* arg);
void RainmeterRefreshAppWide();
void RainmeterAboutWide(const WCHAR* arg = NULL);
void RainmeterManageWide(const WCHAR* arg = NULL);
void RainmeterSkinMenuWide(const WCHAR* arg);
void RainmeterTrayMenuWide();
void RainmeterResetStatsWide();
void RainmeterWriteKeyValueWide(const WCHAR* arg);
void RainmeterQuitWide();

void BangWithArgs(BANGCOMMAND bang, const WCHAR* arg, size_t numOfArgs);
void BangGroupWithArgs(BANGCOMMAND bang, const WCHAR* arg, size_t numOfArgs);

struct GlobalConfig
{
	double netInSpeed;
	double netOutSpeed;
};

class CConfigParser;
class CTrayWindow;

class CRainmeter
{
public:
	struct CONFIG 
	{
		std::wstring config;
		std::vector<std::wstring> iniFiles;
		std::vector<UINT> commands;
		int active;
	};

	struct CONFIGMENU
	{
		std::wstring name;
		size_t index;
		std::vector<CONFIGMENU> children;
	};

	struct LOG_INFO
	{
		int level;
		std::wstring timestamp;
		std::wstring message;
	};

	CRainmeter();
	~CRainmeter();

	int Initialize(HWND Parent, HINSTANCE Instance, LPCSTR szPath);
	void Quit(HINSTANCE dllInst);

	CConfigParser* GetCurrentParser() { return m_CurrentParser; }
	void SetCurrentParser(CConfigParser* parser) { m_CurrentParser = parser; }

	CTrayWindow* GetTrayWindow() { return m_TrayWindow; }

	CMeterWindow* GetMeterWindow(const std::wstring& config);
	CMeterWindow* GetMeterWindowByINI(const std::wstring& ini_searching);
	std::pair<int, int> GetMeterWindowIndex(const std::wstring& config, const std::wstring& iniFile);
	std::pair<int, int> GetMeterWindowIndex(CMeterWindow* meterWindow) { return GetMeterWindowIndex(meterWindow->GetSkinName(), meterWindow->GetSkinIniFile()); }

	CMeterWindow* GetMeterWindow(HWND hwnd);
	void GetMeterWindowsByLoadOrder(std::multimap<int, CMeterWindow*>& windows, const std::wstring& group = L"");
	std::map<std::wstring, CMeterWindow*>& GetAllMeterWindows() { return m_Meters; }
	const std::vector<CONFIG>& GetAllConfigs() { return m_ConfigStrings; }
	const std::vector<std::wstring>& GetAllThemes() { return m_Themes; }

	void ActivateConfig(int configIndex, int iniIndex);
	bool DeactivateConfig(CMeterWindow* meterWindow, int configIndex, bool save = true);

	const std::wstring& GetPath() { return m_Path; }
	const std::wstring& GetIniFile() { return m_IniFile; }
	const std::wstring& GetLogFile() { return m_LogFile; }
	const std::wstring& GetSkinPath() { return m_SkinPath; }
	const std::wstring& GetPluginPath() { return m_PluginPath; }
	const std::wstring& GetAddonPath() { return m_AddonPath; }
	std::wstring GetSettingsPath() { return ExtractPath(m_IniFile); }

	const std::wstring& GetDrive() { return m_Drive; }

	const std::wstring& GetConfigEditor() { return m_ConfigEditor; }
	const std::wstring& GetLogViewer() { return m_LogViewer; }
	const std::wstring& GetStatsDate() { return m_StatsDate; }

	HINSTANCE GetInstance() { return m_Instance; }
	HINSTANCE GetResourceInstance() { return m_ResourceInstance; }

	static void SetDummyLitestep(bool Dummy) { c_DummyLitestep = Dummy; }
	static bool GetDummyLitestep() { return c_DummyLitestep; }
	static void SetCommandLine(LPCTSTR CmdLine) { c_CmdLine = CmdLine;}
	static LPCTSTR GetCommandLine() { return c_CmdLine.c_str(); }
	static GlobalConfig& GetGlobalConfig() { return c_GlobalConfig; }

	static bool GetDebug() { return c_Debug; }

	void ReloadSettings();

	void UpdateStats();
	void ReadStats();
	void WriteStats(bool bForce);
	void ResetStats();

	bool GetDisableVersionCheck() { return m_DisableVersionCheck; }
	void SetDisableVersionCheck(bool check);
	bool GetNewVersion() { return m_NewVersion; }
	void SetNewVersion(bool newver) { m_NewVersion = newver; }

	bool GetLogging() { return m_Logging; }
	void StartLogging();
	void StopLogging();
	void DeleteLogFile();

	bool GetDisableRDP() { return m_DisableRDP; }

	bool GetDisableDragging() { return m_DisableDragging; }
	void SetDisableDragging(bool dragging);

	void AddAboutLogInfo(int level, LPCWSTR time, LPCWSTR message);
	const std::list<LOG_INFO>& GetAboutLogData() { return m_LogData; }

	void SetDebug(bool debug);

	bool IsMenuActive() { return m_MenuActive; }
	void ShowContextMenu(POINT pos, CMeterWindow* meterWindow);

	const std::wstring& GetTrayExecuteL() { return m_TrayExecuteL; }
	const std::wstring& GetTrayExecuteR() { return m_TrayExecuteR; }
	const std::wstring& GetTrayExecuteM() { return m_TrayExecuteM; }
	const std::wstring& GetTrayExecuteDR() { return m_TrayExecuteDR; }
	const std::wstring& GetTrayExecuteDL() { return m_TrayExecuteDL; }
	const std::wstring& GetTrayExecuteDM() { return m_TrayExecuteDM; }

	BOOL ExecuteBang(const std::wstring& bang, const std::wstring& arg, CMeterWindow* meterWindow);
	std::wstring ParseCommand(const WCHAR* command, CMeterWindow* meterWindow);
	void ExecuteCommand(const WCHAR* command, CMeterWindow* meterWindow);

	void RefreshAll();

	void LoadTheme(const std::wstring& name);
	void PreserveSetting(const std::wstring& from, LPCTSTR key, bool replace = true);

	void ClearDeleteLaterList();

	static std::vector<std::wstring> ParseString(LPCTSTR str);
	static std::wstring ExtractPath(const std::wstring& strFilePath);
	static void ExpandEnvironmentVariables(std::wstring& strPath);

	friend class CDialogManage;

private:
	void ActivateActiveConfigs();
	void CreateMeterWindow(const std::wstring& path, const std::wstring& config, const std::wstring& iniFile);
	bool DeleteMeterWindow(CMeterWindow* meterWindow, bool bLater);
	void WriteActive(const std::wstring& config, int iniIndex);
	void ScanForConfigs(const std::wstring& path);
	void ScanForThemes(const std::wstring& path);
	void ReadGeneralSettings(const std::wstring& iniFile);
	void SetLoadOrder(int configIndex, int order);
	int GetLoadOrder(const std::wstring& config);
	bool SetActiveConfig(const std::wstring& skinName, const std::wstring& skinIni);
	void UpdateDesktopWorkArea(bool reset);
	HMENU CreateSkinMenu(CMeterWindow* meterWindow, int index, HMENU configMenu);
	void ChangeSkinIndex(HMENU subMenu, int index);
	int ScanForConfigsRecursive(const std::wstring& path, std::wstring base, int index, std::vector<CONFIGMENU>& menu, bool DontRecurse);
	HMENU CreateConfigMenu(HMENU configMenu, std::vector<CONFIGMENU>& configMenuData);
	void CreateThemeMenu(HMENU themeMenu);
	void CreateMonitorMenu(HMENU monitorMenu, CMeterWindow* meterWindow);
	void CreateDefaultConfigFile(const std::wstring& strFile);
	void SetLogging(bool logging);
	void TestSettingsFile(bool bDefaultIniLocation);

	CTrayWindow* m_TrayWindow;

	std::vector<CONFIG> m_ConfigStrings;				// All configs found in the given folder
	std::vector<CONFIGMENU> m_ConfigMenu;
	std::multimap<int, int> m_ConfigOrders;
	std::map<std::wstring, CMeterWindow*> m_Meters;		// The meter windows
	std::vector<std::wstring> m_Themes;

	std::wstring m_Path;				// Path to the main folder
	std::wstring m_IniFile;				// The main ini file
	std::wstring m_StatsFile;			// The statistics ini file
	std::wstring m_LogFile;				// The log file
	std::wstring m_SkinPath;			// Path to the folder where the skins are
	std::wstring m_PluginPath;			// Path to the folder where the plugins are
	std::wstring m_AddonPath;			// Path to the folder where the addons are

	std::wstring m_Drive;

	std::wstring m_StatsDate;					// The date when stats gathering started

	std::wstring m_TrayExecuteL;
	std::wstring m_TrayExecuteR;
	std::wstring m_TrayExecuteM;
	std::wstring m_TrayExecuteDL;
	std::wstring m_TrayExecuteDR;
	std::wstring m_TrayExecuteDM;

	bool m_DisableVersionCheck;
	bool m_NewVersion;
	
	bool m_DesktopWorkAreaChanged;
	bool m_DesktopWorkAreaType;			// If true, DesktopWorkArea is treated as "margin"
	std::map<UINT, RECT> m_DesktopWorkAreas;
	std::vector<RECT> m_OldDesktopWorkAreas;

	bool m_MenuActive;

	bool m_DisableRDP;

	bool m_DisableDragging;

	bool m_Logging;

	std::list<LOG_INFO> m_LogData;

	std::wstring m_ConfigEditor;
	std::wstring m_LogViewer;

	CConfigParser* m_CurrentParser;

	HINSTANCE m_Instance;
	HMODULE m_ResourceInstance;

	ULONG_PTR m_GDIplusToken;

	std::list<CMeterWindow*> m_DelayDeleteList;

	static bool c_DummyLitestep;	// true, if not a Litestep plugin
	static std::wstring c_CmdLine;	// The command line arguments
	static GlobalConfig c_GlobalConfig;
	static bool c_Debug;
};

#ifdef LIBRARY_EXPORTS
#define EXPORT_PLUGIN __declspec(dllexport)
#else
#define EXPORT_PLUGIN __declspec(dllimport)
#endif

extern "C"
{
	EXPORT_PLUGIN int initModuleEx(HWND ParentWnd, HINSTANCE dllInst, LPCSTR szPath);
	EXPORT_PLUGIN void quitModule(HINSTANCE dllInst);
	EXPORT_PLUGIN void Initialize(bool DummyLS, LPCTSTR CmdLine);
	EXPORT_PLUGIN void ExecuteBang(LPCTSTR szBang);
}

#endif