/*
 * Copyright (c) 2004-2006  Kazunori "jagarl" Ueno
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __SCN2k_IMPL_H__
#define __SCN2k_IMPL_H__

#include "scn2k.h"
#include "window/widget.h"
#include "window/event.h"
#include <vector>
#include <string>
#include <map>
#include <set>

struct StackItem {
	int scn_number;
	int scn_pt;
	StackItem(int number, int pt) : scn_number(number), scn_pt(pt) {}
};

struct SaveTitle {
	virtual std::string operator()(int number) const = 0;
};

struct Scn2kMenu {
	Cmd cmd;
	class Scn2kMenuImpl* pimpl;
	enum MenuType { MENU_LOAD, MENU_SAVE, MENU_CONFIG, MENU_BACKLOG, MENU_BACKLOG2};
	MenuType type;
	enum MenuStatus { MENU_CONTINUE=0, MENU_CMD=1, MENU_DELETE=2};
	MenuStatus status;
	void InitPanel(Event::Container& event, PicContainer& parent);
	void InitTitle(const SaveTitle&);
	void Cancel(void);
	void Exec(Cmd& cmd);
	void activate(void);
	void deactivate(void);
	Scn2kMenu(MenuType type, class Scn2k& scn_impl, const Flags& flags, Text& text, int system_version);
	~Scn2kMenu();
};

struct Scn2kSaveTitle : SaveTitle {
	const class Scn2k& impl;
	std::string operator() (int number) const;
	Scn2kSaveTitle(const Scn2k& _impl) : impl(_impl) {}
};

class Scn2k : Event::Time {
	private:
		Event::Container& event;
		PicContainer& parent;
		AyuSysConfig *config;
		WidMouseCursor* mcursor;
		Flags flag;
		Text text_exec;
		Grp grp_exec;
		int system_version;
		SkipMode skip_mode;
		int scn_number;
		int scn_point;
		enum {
			SCN_INFO = 999999, SCN_INFO_MENU = 10000001,
			SCN_INFO_LOCALS = 10000100, SCN_INFO_LOCALSTR = 10000200,
			SCN_INFO_RETSTR = 10000300
		}; // stack に積まれる特殊な番号

		int save_scn, save_point;

		char* script_start;
		char* script_end;
		const char* script;

		int backlog_script_scn;
		char* backlog_script_start;
		char* backlog_script_end;

		std::string window_title;
		std::vector<StackItem> stack;
		std::vector<std::string> stack_strbuffer;
		std::vector<CmdSimplified> cmd_stack;
		std::vector<std::string> rollback_save;
		std::string new_rollback_save;
		std::map<int, std::set<int> > text_readflag;
		char* cmd_stack_str;
		char cmd_stack_str_orig[32768];

		Cmdtype dialog_type;
		class WidDialog* dialog;
		Scn2kMenu* menu;
		bool menu_mouseshown;

		Surface* mouse_surface;
		int mouse_type;
		int mouse_pressed;
		void ShowCursor();
		void HideCursor();

		void SetSkipMode(SkipMode mode);

		virtual void Elapsed(unsigned int current_time);

		// セーブ関連
		std::string MakeSaveFile(void) const;
		bool StatSaveFile(int num, int& year, int& month, int& day, int& wday, int& hour,int& min, int& sec, int& msec, std::string& title) const;
		void SaveImpl(std::string& s);
		void LoadImpl(const char* s);
		void Save(Cmd& cmd);
		void Load(Cmd& cmd);
		void SaveRollback(void);
		void LoadRollback(Cmd& cmd);
		void SaveSys(void);
		void LoadSys(void);

	public:
		Scn2k(Event::Container& _event, PicContainer& _parent);
		~Scn2k();
		static char* OpenScript(int scn_number, char*& end, int* call_vec, int& system_version);
		bool ChangeScript(int scn_number, int call_no);
		bool ReadCmdAt(Cmd& cmd, int scn, int pt);
		void show_textwindow(int type);
		void hide_textwindow(void);
		void SysExec(Cmd& cmd);
		bool SysWait(Cmd& cmd);

		friend struct Scn2kSaveTitle;
};
#endif