/* -*- mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: t -*- */

/* AbiSource
 * 
 * Copyright (C) 2008 Firat Kiyak <firatkiyak@gmail.com>
 * 
 * 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., 59 Temple Place - Suite 330, Boston, MA  
 * 02111-1307, USA.
 */

// Class definition include
#include <OXML_Element_Field.h>

// AbiWord includes
#include <ut_types.h>
#include <ut_string.h>
#include <pd_Document.h>

OXML_Element_Field::OXML_Element_Field(const std::string & id, fd_Field::FieldType type, const gchar* value) : 
	OXML_Element(id, FLD_TAG, FIELD), fieldType(type), fieldValue(value)
{
}

OXML_Element_Field::OXML_Element_Field(const std::string & id, const std::string & type, const gchar* value) : 
	OXML_Element(id, FLD_TAG, FIELD), fieldValue(value)
{
	setFieldType(type);
}

OXML_Element_Field::~OXML_Element_Field()
{

}

UT_Error OXML_Element_Field::serialize(IE_Exp_OpenXML* exporter)
{
	//TODO: serialize field here

	std::string format("");
	
	switch(fieldType)
	{
		case fd_Field::FD_Time:
		{
			format = "DATE \\@ \"HH:mm:ss am/pm\"";
			break;
		}	
		case fd_Field::FD_Date:
		{
			format = "DATE \\@ \"dddd MMMM dd, yyyy\"";
			break;
		}	
		case fd_Field::FD_Date_MMDDYY:
		{
			format = "DATE \\@ \"MM/dd/yy\"";
			break;
		}	
		case fd_Field::FD_Date_DDMMYY:
		{
			format = "DATE \\@ \"dd/MM/yy\"";
			break;
		}	
		case fd_Field::FD_Date_MDY:
		{
			format = "DATE \\@ \"MMMM d, yyyy\"";
			break;
		}	
		case fd_Field::FD_Date_MthDY:
		{
			format = "DATE \\@ \"MMM d, yyyy\"";
			break;
		}	
		case fd_Field::FD_Date_DFL:
		{
			format = "DATE \\@ \"ddd dd MMM yyyy HH:mm:ss am/pm\""; //no Time Zone in OOXML, so skip it
			break;
		}	
		case fd_Field::FD_Date_NTDFL:
		{
			format = "DATE \\@ \"MM/dd/yyyy\"";
			break;
		}	
		case fd_Field::FD_Date_Wkday:
		{
			format = "DATE \\@ \"dddd\"";
			break;
		}	
		case fd_Field::FD_Date_DOY: 
		{
			//TODO
			return UT_OK;
		}	
		case fd_Field::FD_Time_MilTime:
		{
			format = "DATE \\@ \"HH:mm:ss\"";
			break;
		}	
		case fd_Field::FD_Time_AMPM:
		{
			format = "DATE \\@ \"am/pm\"";
			break;
		}	
		case fd_Field::FD_Time_Zone: 
		{
			//TODO
			return UT_OK;
		}	
		case fd_Field::FD_Time_Epoch: 
		{
			//TODO
			return UT_OK;
		}	
		case fd_Field::FD_DateTime_Custom:
		{
			format = "DATE \\@ \"MM/dd/yy HH:mm:ss am/pm\"";
			break;
		}	
		case fd_Field::FD_PageNumber:
		{
			format = "PAGE \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_PageCount:
		{
			format = "NUMPAGES \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_FileName:
		{
			format = "FILENAME \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_Doc_WordCount:
		{
			format = "NUMWORDS \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_Doc_CharCount:
		{
			format = "DOCPROPERTY CHARACTERSWITHSPACES \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_Doc_LineCount: 
		{
			format = "DOCPROPERTY LINES \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_Doc_ParaCount:
		{
			format = "DOCPROPERTY PARAGRAPHS \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_Doc_NbspCount:
		{
			format = "NUMCHARS \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_Meta_Title:
		{
			format = "TITLE \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_Meta_Creator:
		{
			format = "AUTHOR \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_Meta_Subject:
		{
			format = "SUBJECT \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_Meta_Publisher:
		{
			format = "LASTSAVEDBY \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_Meta_Date:
		{
			format = "SAVEDATE \\@ \"HH:mm:ss am/pm\"";
			break;
		}	
		case fd_Field::FD_Meta_Type:
		{
			//TODO
			return UT_OK;
		}	
		case fd_Field::FD_Meta_Language: 
		{
			//TODO
			return UT_OK;
		}	
		case fd_Field::FD_Meta_Rights: 
		{
			//TODO		
			return UT_OK;
		}	
		case fd_Field::FD_Meta_Keywords:
		{
			format = "KEYWORDS \\* MERGEFORMAT";
			break;
		}	
		case fd_Field::FD_Meta_Contributor: 
		{
			//TODO
			return UT_OK;
		}	
		case fd_Field::FD_Meta_Coverage: 
		{
			//TODO
			return UT_OK;
		}	
		case fd_Field::FD_Meta_Description:
		{
			format = "COMMENTS \\* MERGEFORMAT";
			break;
		}
		case fd_Field::FD_App_ID:
		{
			format = "NAMEOFAPPLICATION \\* MERGEFORMAT";
			break;
		}		
		case fd_Field::FD_App_Version: 
		{
			//TODO
			return UT_OK;
		}	
		case fd_Field::FD_App_Options: 
		{
			//TODO
			return UT_OK;
		}	
		case fd_Field::FD_App_Target: 
		{
			//TODO
			return UT_OK;
		}	
		case fd_Field::FD_App_CompileTime: 
		{
			format = "TIME";
			break;
		}	
		case fd_Field::FD_App_CompileDate: 
		{
			format = "DATE";
			break;
		}	
		case fd_Field::FD_PageReference:
		{
			//TODO
			return UT_OK;
		}	
		case fd_Field::FD_MailMerge:
		{
			format = "MERGEFIELD ";
			if((fieldValue.length() > 1) && (fieldValue[0] == '<') && 
				(fieldValue[fieldValue.length()-1] == '>'))
			{
				fieldValue = fieldValue.substr(1, fieldValue.length()-2);
			}
			format += fieldValue;
			fieldValue = "\u00AB" + fieldValue + "\u00BB"; //unicode double angle quotation marks
			break;
		}	
		case fd_Field::FD_Endnote_Ref:
		{
			UT_Error err = UT_OK;
			const gchar* endnoteId;
			
			err = getAttribute("endnote-id", endnoteId);
			if(err != UT_OK)
				return UT_OK;
		
			err = exporter->startRun(TARGET_DOCUMENT);
			if(err != UT_OK)
				return err;

			err = exporter->startRunProperties(TARGET_DOCUMENT);
			if(err != UT_OK)
				return err;

			err = exporter->setSuperscript(TARGET_DOCUMENT);
			if(err != UT_OK)
				return err;

			err = exporter->finishRunProperties(TARGET_DOCUMENT);
			if(err != UT_OK)
				return err;
			
			err = exporter->setEndnoteReference(endnoteId);			
			if(err != UT_OK)
				return err;

			return exporter->finishRun(TARGET_DOCUMENT);			
		}
		case fd_Field::FD_Endnote_Anchor:
		{
			UT_Error err = UT_OK;

			err = exporter->startRun(TARGET_ENDNOTE);
			if(err != UT_OK)
				return err;

			err = exporter->startRunProperties(TARGET_ENDNOTE);
			if(err != UT_OK)
				return err;

			err = exporter->setSuperscript(TARGET_ENDNOTE);
			if(err != UT_OK)
				return err;

			err = exporter->finishRunProperties(TARGET_ENDNOTE);
			if(err != UT_OK)
				return err;

			err = exporter->setEndnoteRef();
			if(err != UT_OK)
				return err;

			return exporter->finishRun(TARGET_ENDNOTE);
		}
		case fd_Field::FD_Footnote_Ref:
		{
			UT_Error err = UT_OK;
			const gchar* footnoteId;
			
			err = getAttribute("footnote-id", footnoteId);
			if(err != UT_OK)
				return UT_OK;
		
			err = exporter->startRun(TARGET_DOCUMENT);
			if(err != UT_OK)
				return err;

			err = exporter->startRunProperties(TARGET_DOCUMENT);
			if(err != UT_OK)
				return err;

			err = exporter->setSuperscript(TARGET_DOCUMENT);
			if(err != UT_OK)
				return err;

			err = exporter->finishRunProperties(TARGET_DOCUMENT);
			if(err != UT_OK)
				return err;
			
			err = exporter->setFootnoteReference(footnoteId);			
			if(err != UT_OK)
				return err;

			return exporter->finishRun(TARGET_DOCUMENT);
		}
		case fd_Field::FD_Footnote_Anchor:
		{
			UT_Error err = UT_OK;

			err = exporter->startRun(TARGET_FOOTNOTE);
			if(err != UT_OK)
				return err;

			err = exporter->startRunProperties(TARGET_FOOTNOTE);
			if(err != UT_OK)
				return err;

			err = exporter->setSuperscript(TARGET_FOOTNOTE);
			if(err != UT_OK)
				return err;

			err = exporter->finishRunProperties(TARGET_FOOTNOTE);
			if(err != UT_OK)
				return err;

			err = exporter->setFootnoteRef();
			if(err != UT_OK)
				return err;

			return exporter->finishRun(TARGET_FOOTNOTE);
		}

		default:
			return UT_OK;
	}
	
	return exporter->setSimpleField(TARGET, format.c_str(), fieldValue.c_str());
}

UT_Error OXML_Element_Field::serializeProperties(IE_Exp_OpenXML* /*exporter*/)
{
	//TODO: Add all the property serializations here
	return UT_OK;
}


UT_Error OXML_Element_Field::addToPT(PD_Document * pDocument)
{
	const char* format = "";
	
	switch(fieldType)
	{
		case fd_Field::FD_Time:
		{
			format = "time";
			break;
		}	
		case fd_Field::FD_Date:
		{
			format = "date";
			break;
		}	
		case fd_Field::FD_Date_MMDDYY:
		{
			format = "date_mmddyy";
			break;
		}	
		case fd_Field::FD_Date_DDMMYY:
		{
			format = "date_ddmmyy";
			break;
		}	
		case fd_Field::FD_Date_MDY:
		{
			format = "date_mdy";
			break;
		}	
		case fd_Field::FD_Date_MthDY:
		{
			format = "date_mthdy";
			break;
		}	
		case fd_Field::FD_Date_DFL:
		{
			format = "date_dfl"; 
			break;
		}	
		case fd_Field::FD_Date_NTDFL:
		{
			format = "date_ntdfl";
			break;
		}	
		case fd_Field::FD_Date_Wkday:
		{
			format = "date_wkday";
			break;
		}	
		case fd_Field::FD_Time_MilTime:
		{
			format = "time_miltime";
			break;
		}	
		case fd_Field::FD_Time_AMPM:
		{
			format = "time_ampm";
			break;
		}	
		case fd_Field::FD_DateTime_Custom:
		{
			format = "datetime_custom";
			break;
		}
		case fd_Field::FD_FileName:
		{
			format = "file_name";
			break;
		}
		case fd_Field::FD_App_ID:
		{
			format = "app_id";
			break;
		}	
		case fd_Field::FD_PageNumber:
		{
			format = "page_number";
			break;
		}	
		case fd_Field::FD_PageCount:
		{
			format = "page_count";
			break;
		}	
		case fd_Field::FD_Doc_WordCount:
		{
			format = "word_count";
			break;
		}	
		case fd_Field::FD_Doc_CharCount:
		{
			format = "char_count";
			break;
		}	
		case fd_Field::FD_Doc_LineCount: 
		{
			format = "line_count";
			break;
		}	
		case fd_Field::FD_Doc_ParaCount:
		{
			format = "para_count";
			break;
		}	
		case fd_Field::FD_Doc_NbspCount:
		{
			format = "nbsp_count";
			break;
		}	
		case fd_Field::FD_Meta_Title:
		{
			format = "meta_title";
			break;
		}	
		case fd_Field::FD_Meta_Creator:
		{
			format = "meta_creator";
			break;
		}	
		case fd_Field::FD_Meta_Subject:
		{
			format = "meta_subject";
			break;
		}	
		case fd_Field::FD_Meta_Publisher:
		{
			format = "meta_publisher";
			break;
		}	
		case fd_Field::FD_Meta_Date:
		{
			format = "meta_date";
			break;
		}	
		case fd_Field::FD_Meta_Keywords:
		{
			format = "meta_keywords";
			break;
		}	
		case fd_Field::FD_Meta_Description:
		{
			format = "meta_comments";
			break;
		}
		case fd_Field::FD_MailMerge:
		{
			format = "mail_merge";
			break;
		}	
		
		case fd_Field::FD_Footnote_Ref:
		{
			format = "footnote_ref";
			break;
		}

		case fd_Field::FD_Endnote_Ref:
		{
			format = "endnote_ref";
			break;
		}

		//TODO: more to come here	
		default:
		{ 
			//unsupported type, added as a simple text
			return addChildrenToPT(pDocument);
		}
	};

	if(fieldType == fd_Field::FD_Footnote_Ref)
	{
		const gchar *field_fmt[5];
		field_fmt[0] = "type";
		field_fmt[1] = format;
		field_fmt[2] = "footnote-id";
		field_fmt[3] = getId().c_str();
		field_fmt[4] = 0;

		if(!pDocument->appendObject(PTO_Field, field_fmt))
			return UT_ERROR;

		OXML_Document* pOXMLDoc = OXML_Document::getInstance();
		OXML_SharedSection sharedSection = pOXMLDoc->getFootnote(getId());
		OXML_Section* footnoteSection = sharedSection.get();

		if(footnoteSection && (footnoteSection->addToPTAsFootnote(pDocument) != UT_OK))
		{
			UT_DEBUGMSG(("FRT:OpenXML importer can't add section as footnote\n"));
			return UT_ERROR;			
		}
	}
	else if(fieldType == fd_Field::FD_Endnote_Ref)
	{
		const gchar *field_fmt[5];
		field_fmt[0] = "type";
		field_fmt[1] = format;
		field_fmt[2] = "endnote-id";
		field_fmt[3] = getId().c_str();
		field_fmt[4] = 0;

		if(!pDocument->appendObject(PTO_Field, field_fmt))
			return UT_ERROR;

		OXML_Document* pOXMLDoc = OXML_Document::getInstance();
		OXML_SharedSection sharedSection = pOXMLDoc->getEndnote(getId());
		OXML_Section* endnoteSection = sharedSection.get();


		if(endnoteSection && (endnoteSection->addToPTAsEndnote(pDocument) != UT_OK))
		{
			UT_DEBUGMSG(("FRT:OpenXML importer can't add section as endnote\n"));
			return UT_ERROR;			
		}
	}	
	else if(fieldType == fd_Field::FD_MailMerge)
	{
		const gchar *field_fmt[5];
		field_fmt[0] = "type";
		field_fmt[1] = format;
		field_fmt[2] = "param";
		field_fmt[3] = fieldValue.c_str();
		field_fmt[4] = 0;

		if(!pDocument->appendObject(PTO_Field, field_fmt))
			return UT_ERROR;
	}
	else
	{
		const gchar *field_fmt[3];
		field_fmt[0] = "type";
		field_fmt[1] = format;
		field_fmt[2] = 0;

		if(!pDocument->appendObject(PTO_Field, field_fmt))
			return UT_ERROR;
	}

	return UT_OK;
}

void OXML_Element_Field::setFieldType(const std::string & typ)
{
	std::string type = removeExtraSpaces(typ);

	fieldType = fd_Field::FD_None;
	
	if(!type.compare("DATE"))
		fieldType = fd_Field::FD_Date;
	else if(!type.compare("TIME"))
		fieldType = fd_Field::FD_Time;

	//date fields
	else if(!type.compare("DATE \\@ \"dddd MMMM dd, yyyy\""))
		fieldType = fd_Field::FD_Date;
	else if(!type.compare("DATE \\@ \"MM/dd/yy\""))
		fieldType = fd_Field::FD_Date_MMDDYY;
	else if(!type.compare("DATE \\@ \"dd/MM/yy\""))
		fieldType = fd_Field::FD_Date_DDMMYY;
	else if(!type.compare("DATE \\@ \"MMMM d, yyyy\""))
		fieldType = fd_Field::FD_Date_MDY;
	else if(!type.compare("DATE \\@ \"MMM d, yyyy\""))
		fieldType = fd_Field::FD_Date_MthDY;
	else if(!type.compare("DATE \\@ \"ddd dd MMM yyyy HH:mm:ss am/pm\""))
		fieldType = fd_Field::FD_Date_DFL;
	else if(!type.compare("DATE \\@ \"MM/dd/yyyy\""))
		fieldType = fd_Field::FD_Date_NTDFL;
	else if(!type.compare("DATE \\@ \"dddd\""))
		fieldType = fd_Field::FD_Date_Wkday;
	else if(!type.compare("DATE \\@ \"HH:mm:ss am/pm\""))
		fieldType = fd_Field::FD_Time;
	else if(!type.compare("DATE \\@ \"HH:mm:ss\""))
		fieldType = fd_Field::FD_Time_MilTime;
	else if(!type.compare("DATE \\@ \"am/pm\""))
		fieldType = fd_Field::FD_Time_AMPM;
	else if(!type.compare("DATE \\@ \"MM/dd/yy HH:mm:ss am/pm\""))
		fieldType = fd_Field::FD_DateTime_Custom;

	//time fields
	else if(!type.compare("TIME \\@ \"dddd MMMM dd, yyyy\""))
		fieldType = fd_Field::FD_Date;
	else if(!type.compare("TIME \\@ \"MM/dd/yy\""))
		fieldType = fd_Field::FD_Date_MMDDYY;
	else if(!type.compare("TIME \\@ \"dd/MM/yy\""))
		fieldType = fd_Field::FD_Date_DDMMYY;
	else if(!type.compare("TIME \\@ \"MMMM d, yyyy\""))
		fieldType = fd_Field::FD_Date_MDY;
	else if(!type.compare("TIME \\@ \"MMM d, yyyy\""))
		fieldType = fd_Field::FD_Date_MthDY;
	else if(!type.compare("TIME \\@ \"ddd dd MMM yyyy HH:mm:ss am/pm\""))
		fieldType = fd_Field::FD_Date_DFL;
	else if(!type.compare("TIME \\@ \"MM/dd/yyyy\""))
		fieldType = fd_Field::FD_Date_NTDFL;
	else if(!type.compare("TIME \\@ \"dddd\""))
		fieldType = fd_Field::FD_Date_Wkday;
	else if(!type.compare("TIME \\@ \"HH:mm:ss am/pm\""))
		fieldType = fd_Field::FD_Time;
	else if(!type.compare("TIME \\@ \"HH:mm:ss\""))
		fieldType = fd_Field::FD_Time_MilTime;
	else if(!type.compare("TIME \\@ \"am/pm\""))
		fieldType = fd_Field::FD_Time_AMPM;
	else if(!type.compare("TIME \\@ \"MM/dd/yy HH:mm:ss am/pm\""))
		fieldType = fd_Field::FD_DateTime_Custom;

	//application fields
	else if(!type.compare("FILENAME \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_FileName;
	else if(!type.compare("NAMEOFAPPLICATION \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_App_ID;

	//number fields
	else if(!type.compare("PAGE \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_PageNumber;
	else if(!type.compare("NUMPAGES \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_PageCount;
	else if(!type.compare("NUMWORDS \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_Doc_WordCount;
	else if(!type.compare("DOCPROPERTY CHARACTERSWITHSPACES \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_Doc_CharCount;
	else if(!type.compare("DOCPROPERTY LINES \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_Doc_LineCount;
	else if(!type.compare("DOCPROPERTY PARAGRAPHS \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_Doc_ParaCount;
	else if(!type.compare("NUMCHARS \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_Doc_NbspCount;

	//meta fields
	else if(!type.compare("TITLE \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_Meta_Title;
	else if(!type.compare("AUTHOR \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_Meta_Creator;
	else if(!type.compare("SUBJECT \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_Meta_Subject;
	else if(!type.compare("LASTSAVEDBY \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_Meta_Publisher;
	else if(!type.compare("SAVEDATE \\@ \"HH:mm:ss am/pm\""))
		fieldType = fd_Field::FD_Meta_Date;
	else if(!type.compare("KEYWORDS \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_Meta_Keywords;
	else if(!type.compare("COMMENTS \\* MERGEFORMAT"))
		fieldType = fd_Field::FD_Meta_Description;

	//mail merge fields
	else if(type.find("MERGEFIELD") != std::string::npos)
	{
		fieldType = fd_Field::FD_MailMerge;
		size_t quoteStart = type.find_first_of('"');
		size_t quoteEnd = type.find_last_of('"');
		if((quoteStart != std::string::npos) &&
			(quoteEnd != std::string::npos) &&
			(quoteEnd > quoteStart))
		{
			fieldValue = type.substr(quoteStart+1, quoteEnd-quoteStart-1);
		}
		else
		{
			fieldValue = type.replace(0, type.find("MERGEFIELD")+10, ""); //keep everything after MERGEFIELD
			fieldValue = removeExtraSpaces(fieldValue);
		}
	}

	//TODO: more to come here		
}

std::string OXML_Element_Field::removeExtraSpaces(const std::string & str)
{
	std::string s;
	char lastChar = ' ';
	std::string::size_type i;
	for(i=0; i<str.length(); i++)
	{
		if((str[i] != ' ') || (lastChar != ' '))
		{
			s += str[i];		
		}
		lastChar = str[i];
	}
	//now let's trim string s
	size_t firstCharIndex = s.find_first_not_of(" ");
	size_t lastCharIndex = s.find_last_not_of(" ");
	if(firstCharIndex == std::string::npos)
		return ""; //all whitespace
	return s.substr(firstCharIndex, lastCharIndex-firstCharIndex+1);
}