/***************************************************************************
    File:         ks_thmlhtml.cpp
    Project:      Kio-Sword -- An ioslave for SWORD and KDE
    Copyright:    Copyright (C) 2004-2005 Luke Plant
                  and CrossWire Bible Society 2001
                  (file based on thmlhtmlhref.cpp)
		  and the BibleTime team (bits taken from bt_thmlhtml.cpp)
 ***************************************************************************/

/***************************************************************************
 *   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.             *
 ***************************************************************************/

#include "ks_thmlhtml.h"

#include "utils.h"

#include <swmodule.h>
#include <utilxml.h>
#include <versekey.h>

#include <stdlib.h>

using namespace sword;

namespace KioSword {
	ThMLHTML::MyUserData::MyUserData(const SWModule *module, const SWKey *key) : BasicFilterUserData(module, key) {
		if (module) {
			version = module->Name();
			BiblicalText = (!strcmp(module->Type(), "Biblical Texts"));
		}	
	}
	
	
	ThMLHTML::ThMLHTML() {
		setTokenStart("<");
		setTokenEnd(">");
	
		setTokenCaseSensitive(true);
		addTokenSubstitute("scripture", "<i> ");
		addTokenSubstitute("/scripture", "</i> ");
	}
	
	
	bool ThMLHTML::handleToken(SWBuf &buf, const char *token, BasicFilterUserData *userData) {
		const char *tok;
		if (!substituteToken(buf, token)) { // manually process if it wasn't a simple substitution
			MyUserData *u = (MyUserData *)userData;		
	
			XMLTag tag(token);
			if ((!tag.isEndTag()) && (!tag.isEmpty()))
				u->startTag = tag;
	
			if (tag.getName() && !strcasecmp(tag.getName(), "sync")) {       //lemmas, morph codes or strongs
				if (tag.getAttribute("type") && !strcasecmp(tag.getAttribute("type"), "lemma")) {       // Lemma
					const char *value = tag.getAttribute("value");
					if (strlen(value)) {
						buf.appendFormatted
							(" <span class='lemma'>&lt;%s&gt;</span>", value);
					}
				} else if (tag.getAttribute("type") && !strcasecmp(tag.getAttribute("type"), "morph")) {  // Morph
					const char *value = tag.getAttribute("value");
					if (value) {
						buf.append(TQString(" <span class='morph'>(<a href=\"%2\">%1</a>)</span>")
								.arg(value)
								.arg(swordUrlForSearch(GREEKMORPH, value, m_swordoptions))
								.utf8());
					}
				} else if (tag.getAttribute("type") && !strcasecmp(tag.getAttribute("type"), "Strongs")) {      // Strongs
					const char *value =
						tag.getAttribute("value");
					if (value && value[0] == 'H') { // hewbrew strongs number
						// value + 1 => skip the H
						buf.append(TQString(" <span class='strongs'>&lt;<a href=\"%2\">%1</a>&gt;</span>")
								.arg(value + 1)
								.arg(swordUrlForSearch(HEBREWSTRONGS, value + 1, m_swordoptions))
								.utf8());
					} else if (value && value[0] == 'G') {  //greek strongs number
						// value + 1 => skip the G
						buf.append(TQString(" <span class='strongs'>&lt;<a href=\"%2\">%1</a>&gt;</span>")
								.arg(value + 1)
								.arg(swordUrlForSearch(GREEKSTRONGS, value + 1, m_swordoptions))
								.utf8());
					}
				}
			}
			// FIXME - modify for Kio-Sword
			// <note> tag
			else if (!strcmp(tag.getName(), "note")) {
				if (!tag.isEndTag()) {
					if (!tag.isEmpty()) {
						SWBuf type = tag.getAttribute("type");
						SWBuf footnoteNumber = tag.getAttribute("swordFootnote");
						VerseKey *vkey;
						// see if we have a VerseKey * or descendant
						try {
							vkey = SWDYNAMIC_CAST(VerseKey, u->key);
						}
						catch ( ... ) {	}
						if (vkey) {
							// leave this special osis type in for crossReference notes types?  Might thml use this some day? Doesn't hurt.
							char ch = ((tag.getAttribute("type") && ((!strcmp(tag.getAttribute("type"), "crossReference")) || (!strcmp(tag.getAttribute("type"), "x-cross-ref")))) ? 'x':'n');
							buf.appendFormatted("<a href=\"noteID=%s.%c.%s\"><small><sup>*%c</sup></small></a> ", vkey->getText(), ch, footnoteNumber.c_str(), ch);
						}
						u->suspendTextPassThru = true;
					}
				}
				if (tag.isEndTag()) {
					u->suspendTextPassThru = false;
				}
			}
			// <scripRef> tag
			else if (!strcmp(tag.getName(), "scripRef")) {
				if (!tag.isEndTag()) {
					if (!tag.isEmpty()) {
						u->suspendTextPassThru = true;
					}
				}
				if (tag.isEndTag()) {	//	</scripRef>
					if (!u->BiblicalText) {
						SWBuf refList = u->startTag.getAttribute("passage");
						if (!refList.length())
							refList = u->lastTextNode;
						SWBuf version = tag.getAttribute("version");
						buf += "<a href=\"";
						buf += swordUrlForSearch(DEFBIBLE, refList.c_str(), m_swordoptions).utf8();
						/* TODO - can we do with in KioSword?
						if (version.length()) {
							buf += "&version=";
							buf += version;
							buf += " ";
						}*/
						buf += "\">";
						buf += u->lastTextNode.c_str();
						buf += "</a>";
					}
					// FIXME for Kio-Sword
					else {
						SWBuf footnoteNumber = u->startTag.getAttribute("swordFootnote");
						VerseKey *vkey;
						// see if we have a VerseKey * or descendant
						try {
							vkey = SWDYNAMIC_CAST(VerseKey, u->key);
						}
						catch ( ... ) {}
						if (vkey) {
							// leave this special osis type in for crossReference notes types?  Might thml use this some day? Doesn't hurt.
							buf.appendFormatted("<a href=\"noteID=%s.x.%s\"><small><sup>*x</sup></small></a> ", vkey->getText(), footnoteNumber.c_str());
						}
					}
	
					// let's let text resume to output again
					u->suspendTextPassThru = false;
				}
			}
			else if (tag.getName() && !strcasecmp(tag.getName(), "div")) {
				if (tag.isEndTag() && u->SecHead) {
					buf += "</i></b><br />";
					u->SecHead = false;
				}
				else if (tag.getAttribute("class")) {
					if (!strcasecmp(tag.getAttribute("class"), "sechead")) {
						u->SecHead = true;
						buf += "<br /><b><i>";
					}
					else if (!strcasecmp(tag.getAttribute("class"), "title")) {
						u->SecHead = true;
						buf += "<br /><b><i>";
					}
				}
			}
			else if (tag.getName() && (!strcasecmp(tag.getName(), "img") || !strcasecmp(tag.getName(), "image"))) {
				const char *src = strstr(token, "src");
				if (!src)		// assert we have a src attribute
					return false;
	
				buf += '<';
				for (const char *c = token; *c; c++) {
					if (c == src) {
						for (;((*c) && (*c != '"')); c++)
							buf += *c;
	
						if (!*c) { c--; continue; }
	
						buf += '"';
						if (*(c+1) == '/') {
							buf += "file:";
							buf += userData->module->getConfigEntry("AbsoluteDataPath");
							if (buf[buf.length()-2] == '/')
								c++;		// skip '/'
						}
						continue;
					}
					buf += *c;
				}
				buf += '>';
			}
			else {
				buf += '<';
				/*for (const char *tok = token; *tok; tok++)
					buf += *tok;*/
				buf += token;
				buf += '>';
				//return false;  // we still didn't handle token
			}
		}
		return true;
	}
}
