// Copyright (c) 2005, Rodrigo Braz Monteiro
// 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
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//   * Neither the name of the Aegisub Group nor the names of its contributors
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// Aegisub Project http://www.aegisub.org/
//
// $Id$

/// @file ass_style_storage.cpp
/// @brief Manage stores of styles
/// @ingroup style_editor
///


////////////
// Includes
#include "config.h"

#include <fstream>
#include "ass_style_storage.h"
#include "ass_style.h"
#include "ass_file.h"
#include "text_file_reader.h"
#include "text_file_writer.h"
#include "standard_paths.h"


///////////////////////
// Save styles to disk
void AssStyleStorage::Save(wxString name) {
	if (name.IsEmpty()) return;

	TextFileWriter file(StandardPaths::DecodePath(_T("?user/catalog/")+name+_T(".sty")), _T("UTF-8"));

	for (std::list<AssStyle*>::iterator cur=style.begin();cur!=style.end();cur++) {
		file.WriteLineToFile((*cur)->GetEntryData());
	}
}


/////////////////////////
// Load styles from disk
void AssStyleStorage::Load(wxString name) {
	if (name.IsEmpty()) return;
	Clear();

	TextFileReader file(StandardPaths::DecodePath(_T("?user/catalog/")+name+_T(".sty")), _T("UTF-8"));

	AssStyle *curStyle;
	while (file.HasMoreLines()) {
		wxString data = file.ReadLineFromFile();
		if (data.substr(0,6) == _T("Style:")) {
			try {
				curStyle = new AssStyle(data);
				style.push_back(curStyle);
			} catch(...) {
				/* just ignore invalid lines for now */
			}
		}
	}
}


/////////
// Clear
void AssStyleStorage::Clear () {
	using std::list;
	for (list<AssStyle*>::iterator cur=style.begin();cur!=style.end();cur++) {
		delete *cur;
	}
	style.clear();
}


/////////////
// Get names
wxArrayString AssStyleStorage::GetNames() {
	wxArrayString names;
	for (std::list<AssStyle*>::iterator cur=style.begin();cur!=style.end();cur++) {
		names.Add((*cur)->name);
	}
	return names;
}


///////////////////////
// Get a style by name
AssStyle *AssStyleStorage::GetStyle(wxString name) {
	for (std::list<AssStyle*>::iterator cur=style.begin();cur!=style.end();cur++) {
		if ((*cur)->name == name) return *cur;
	}
	return NULL;
}