// Copyright (c) 2007, Niels Martin Hansen
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * 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.
//   * Neither the name of the Aegisub Group nor the names of its contributors
//     may be used to endorse or promote products derived from this software
//     without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:jiifurusu@gmail.com
//

// Scripting engine for legacy Automation 3 compatibility

#pragma once

#ifndef _AUTO4_AUTO3_H
#define _AUTO4_AUTO3_H

#include "auto4_base.h"
#include <wx/thread.h>
#include <wx/event.h>
#include "../lua51/src/lua.h"
#include "../lua51/src/lauxlib.h"
#include "ass_file.h"
#include "ass_entry.h"
#include "ass_dialogue.h"
#include "ass_style.h"

namespace Automation4 {

	class Auto3ProgressSink : public ProgressSink {
	private:
		lua_State *L;

		static int LuaSetStatus(lua_State *L);
		static int LuaOutputDebug(lua_State *L);
		static int LuaReportProgress(lua_State *L);

	public:
		Auto3ProgressSink(lua_State *_L, wxWindow *parent);
		virtual ~Auto3ProgressSink();

		static Auto3ProgressSink* GetObjPointer(lua_State *L, int idx);
	};


	enum Auto3ScriptConfigurationOptionKind {
		COK_INVALID = 0,
		COK_LABEL,
		COK_TEXT,
		COK_INT,
		COK_FLOAT,
		COK_BOOL,
		COK_COLOUR,
		COK_STYLE
	};

	struct Auto3ScriptConfigurationOption {
		wxString name;
		Auto3ScriptConfigurationOptionKind kind;
		wxString label;
		wxString hint;
		union {
			bool isset;
			int intval;
			double floatval;
		} min, max;
		struct {
			wxString stringval;
			int intval;
			double floatval;
			bool boolval;
			AssColor colourval;
		} default_val, value;
	};

	class Auto3ConfigDialog : public ScriptConfigDialog {
		// copypasta
	private:
		bool present; // is there any configuration option set at all?

		std::vector<Auto3ScriptConfigurationOption> options;

		struct Control {
			wxStaticText *label;
			wxControl *control;
			Auto3ScriptConfigurationOption *option;
			Control() : label(0), control(0), option(0) {}
		};
		std::vector<Control> controls;

		wxString ident;

	protected:
		wxWindow* CreateWindow(wxWindow *parent);

	public:
		Auto3ConfigDialog(lua_State *L, const wxString &_ident);
		virtual ~Auto3ConfigDialog();
		int LuaReadBack(lua_State *L); // read back internal structure to lua structures

		void ReadBack(); // from auto4 base

		wxString serialize(); // make a string from the option name+value pairs
		void unserialize(wxString &settings); // set the option values from a serialized string
	};


	class Auto3Filter : public FeatureFilter {
	private:
		Auto3ConfigDialog *config;
		AssFile *_file;
		lua_State *L;

	protected:
		ScriptConfigDialog* GenerateConfigDialog(wxWindow *parent);

		void Init();
	public:
		Auto3Filter(const wxString &_name, const wxString &_description, lua_State *_L);

		void ProcessSubs(AssFile *subs, wxWindow *export_dialog);
	};


	class Auto3ThreadedProcessor : public wxThread {
	private:
		lua_State *L;
		AssFile *file;
		Auto3ConfigDialog *config;
		Auto3ProgressSink *sink;

	public:
		Auto3ThreadedProcessor(lua_State *_L, AssFile *_file, Auto3ConfigDialog *_config, Auto3ProgressSink *_sink);
		virtual ExitCode Entry();
	};


	class Auto3Script : public Script {
	private:
		Auto3Filter *filter;
		lua_State *L;

		static int LuaTextExtents(lua_State *L);
		static int LuaInclude(lua_State *L);
		static int LuaColorstringToRGB(lua_State *L);
		static int LuaFrameFromMs(lua_State *L);
		static int LuaMsFromFrame(lua_State *L);

		void Create();
		void Destroy();

		static Auto3Script* GetScriptObject(lua_State *L);

	public:
		Auto3Script(const wxString &filename);
		virtual ~Auto3Script();

		virtual void Reload();
	};

};

#endif