// Copyright (c) 2010, Amar Takhar
// 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
//     may be used to endorse or promote products derived from this software
//     without specific prior written permission.
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// Aegisub Project http://www.aegisub.org/

/// @file charset_detect.cpp
/// @brief Wrapper around text encoding detection library
/// @ingroup utility
///

#include "charset_detect.h"

#include "compat.h"

#include <libaegisub/charset.h>
#include <libaegisub/charset_conv.h>

#include <wx/arrstr.h>
#include <wx/choicdlg.h>
#include <wx/intl.h>

namespace CharSetDetect {

std::string GetEncoding(agi::fs::path const& filename) {
	auto encoding = agi::charset::Detect(filename);
	if (!encoding.empty())
		return encoding;

	auto choices = agi::charset::GetEncodingsList<wxArrayString>();
	int choice = wxGetSingleChoiceIndex(
		_("Aegisub could not narrow down the character set to a single one.\nPlease pick one below:"),
		_("Choose character set"),
		choices);
	if (choice == -1) throw agi::UserCancelException("Cancelled encoding selection");
	return from_wx(choices[choice]);
}

}