/* libxmms-flac - XMMS FLAC input plugin
 * Copyright (C) 2002,2003,2004,2005  Daisuke Shimamura
 *
 * Almost from charset.c
 *  EasyTAG - Tag editor for MP3 and OGG files
 *  Copyright (C) 1999-2001  Håvard Kvålen <havardk@xmms.org>
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include <stdlib.h>
#include <glib.h>
#include <string.h>
#include <errno.h>

#include "plugin_common/charset.h"
#include "plugin_common/locale_hack.h"
#include "charset.h"
#include "configure.h"


/****************
 * Declarations *
 ****************/

#define CHARSET_TRANS_ARRAY_LEN ( sizeof(charset_trans_array) / sizeof((charset_trans_array)[0]) )
const CharsetInfo charset_trans_array[] = {
	{N_("Arabic (IBM-864)"),                  "IBM864"        },
	{N_("Arabic (ISO-8859-6)"),               "ISO-8859-6"    },
	{N_("Arabic (Windows-1256)"),             "windows-1256"  },
	{N_("Baltic (ISO-8859-13)"),              "ISO-8859-13"   },
	{N_("Baltic (ISO-8859-4)"),               "ISO-8859-4"    },
	{N_("Baltic (Windows-1257)"),             "windows-1257"  },
	{N_("Celtic (ISO-8859-14)"),              "ISO-8859-14"   },
	{N_("Central European (IBM-852)"),        "IBM852"        },
	{N_("Central European (ISO-8859-2)"),     "ISO-8859-2"    },
	{N_("Central European (Windows-1250)"),   "windows-1250"  },
	{N_("Chinese Simplified (GB18030)"),      "gb18030"       },
	{N_("Chinese Simplified (GB2312)"),       "GB2312"        },
	{N_("Chinese Traditional (Big5)"),        "Big5"          },
	{N_("Chinese Traditional (Big5-HKSCS)"),  "Big5-HKSCS"    },
	{N_("Cyrillic (IBM-855)"),                "IBM855"        },
	{N_("Cyrillic (ISO-8859-5)"),             "ISO-8859-5"    },
	{N_("Cyrillic (ISO-IR-111)"),             "ISO-IR-111"    },
	{N_("Cyrillic (KOI8-R)"),                 "KOI8-R"        },
	{N_("Cyrillic (Windows-1251)"),           "windows-1251"  },
	{N_("Cyrillic/Russian (CP-866)"),         "IBM866"        },
	{N_("Cyrillic/Ukrainian (KOI8-U)"),       "KOI8-U"        },
	{N_("English (US-ASCII)"),                "us-ascii"      },
	{N_("Greek (ISO-8859-7)"),                "ISO-8859-7"    },
	{N_("Greek (Windows-1253)"),              "windows-1253"  },
	{N_("Hebrew (IBM-862)"),                  "IBM862"        },
	{N_("Hebrew (Windows-1255)"),             "windows-1255"  },
	{N_("Japanese (EUC-JP)"),                 "EUC-JP"        },
	{N_("Japanese (ISO-2022-JP)"),            "ISO-2022-JP"   },
	{N_("Japanese (Shift_JIS)"),              "Shift_JIS"     },
	{N_("Korean (EUC-KR)"),                   "EUC-KR"        },
	{N_("Nordic (ISO-8859-10)"),              "ISO-8859-10"   },
	{N_("South European (ISO-8859-3)"),       "ISO-8859-3"    },
	{N_("Thai (TIS-620)"),                    "TIS-620"       },
	{N_("Turkish (IBM-857)"),                 "IBM857"        },
	{N_("Turkish (ISO-8859-9)"),              "ISO-8859-9"    },
	{N_("Turkish (Windows-1254)"),            "windows-1254"  },
	{N_("Unicode (UTF-7)"),                   "UTF-7"         },
	{N_("Unicode (UTF-8)"),                   "UTF-8"         },
	{N_("Unicode (UTF-16BE)"),                "UTF-16BE"      },
	{N_("Unicode (UTF-16LE)"),                "UTF-16LE"      },
	{N_("Unicode (UTF-32BE)"),                "UTF-32BE"      },
	{N_("Unicode (UTF-32LE)"),                "UTF-32LE"      },
	{N_("Vietnamese (VISCII)"),               "VISCII"        },
	{N_("Vietnamese (Windows-1258)"),         "windows-1258"  },
	{N_("Visual Hebrew (ISO-8859-8)"),        "ISO-8859-8"    },
	{N_("Western (IBM-850)"),                 "IBM850"        },
	{N_("Western (ISO-8859-1)"),              "ISO-8859-1"    },
	{N_("Western (ISO-8859-15)"),             "ISO-8859-15"   },
	{N_("Western (Windows-1252)"),            "windows-1252"  }

	/*
	 * From this point, character sets aren't supported by iconv
	 */
#if 0
	{N_("Arabic (IBM-864-I)"),                "IBM864i"              },
	{N_("Arabic (ISO-8859-6-E)"),             "ISO-8859-6-E"         },
	{N_("Arabic (ISO-8859-6-I)"),             "ISO-8859-6-I"         },
	{N_("Arabic (MacArabic)"),                "x-mac-arabic"         },
	{N_("Armenian (ARMSCII-8)"),              "armscii-8"            },
	{N_("Central European (MacCE)"),          "x-mac-ce"             },
	{N_("Chinese Simplified (GBK)"),          "x-gbk"                },
	{N_("Chinese Simplified (HZ)"),           "HZ-GB-2312"           },
	{N_("Chinese Traditional (EUC-TW)"),      "x-euc-tw"             },
	{N_("Croatian (MacCroatian)"),            "x-mac-croatian"       },
	{N_("Cyrillic (MacCyrillic)"),            "x-mac-cyrillic"       },
	{N_("Cyrillic/Ukrainian (MacUkrainian)"), "x-mac-ukrainian"      },
	{N_("Farsi (MacFarsi)"),                  "x-mac-farsi"},
	{N_("Greek (MacGreek)"),                  "x-mac-greek"          },
	{N_("Gujarati (MacGujarati)"),            "x-mac-gujarati"       },
	{N_("Gurmukhi (MacGurmukhi)"),            "x-mac-gurmukhi"       },
	{N_("Hebrew (ISO-8859-8-E)"),             "ISO-8859-8-E"         },
	{N_("Hebrew (ISO-8859-8-I)"),             "ISO-8859-8-I"         },
	{N_("Hebrew (MacHebrew)"),                "x-mac-hebrew"         },
	{N_("Hindi (MacDevanagari)"),             "x-mac-devanagari"     },
	{N_("Icelandic (MacIcelandic)"),          "x-mac-icelandic"      },
	{N_("Korean (JOHAB)"),                    "x-johab"              },
	{N_("Korean (UHC)"),                      "x-windows-949"        },
	{N_("Romanian (MacRomanian)"),            "x-mac-romanian"       },
	{N_("Turkish (MacTurkish)"),              "x-mac-turkish"        },
	{N_("User Defined"),                      "x-user-defined"       },
	{N_("Vietnamese (TCVN)"),                 "x-viet-tcvn5712"      },
	{N_("Vietnamese (VPS)"),                  "x-viet-vps"           },
	{N_("Western (MacRoman)"),                "x-mac-roman"          },
	/* charsets whithout posibly translatable names */
	{"T61.8bit",                              "T61.8bit"             },
	{"x-imap4-modified-utf7",                 "x-imap4-modified-utf7"},
	{"x-u-escaped",                           "x-u-escaped"          },
	{"windows-936",                           "windows-936"          }
#endif
};

/*************
 * Functions *
 *************/

/*
 * Commons conversion functions
 */
char *convert_from_utf8_to_user(const char *string)
{
	return FLAC_plugin__charset_convert_string(string, "UTF-8", flac_cfg.title.user_char_set);
}

char *convert_from_user_to_utf8(const char *string)
{
	return FLAC_plugin__charset_convert_string(string, flac_cfg.title.user_char_set, "UTF-8");
}

GList *Charset_Create_List (void)
{
	GList *list = NULL;
	guint i;

	for (i=0; i<CHARSET_TRANS_ARRAY_LEN; i++)
		list = g_list_append(list,_(charset_trans_array[i].charset_title));
	return list;
}

GList *Charset_Create_List_UTF8_Only (void)
{
	GList *list = NULL;

	list = g_list_append(list,_(Charset_Get_Title_From_Name("UTF-8")));
	return list;
}


/*
 * Return charset_name from charset_title
 */
gchar *Charset_Get_Name_From_Title (const gchar *charset_title)
{
	guint i;

	if (charset_title)
		for (i=0; i<CHARSET_TRANS_ARRAY_LEN; i++)
			if ( strcasecmp(_(charset_title),_(charset_trans_array[i].charset_title)) == 0 )
				return charset_trans_array[i].charset_name;
	return "";
}


/*
 * Return charset_title from charset_name
 */
gchar *Charset_Get_Title_From_Name (const gchar *charset_name)
{
	guint i;

	if (charset_name)
		for (i=0; i<CHARSET_TRANS_ARRAY_LEN; i++)
			if ( strcasecmp(charset_name,charset_trans_array[i].charset_name) == 0 )
				return _(charset_trans_array[i].charset_title);
	return "";
}
