#include "tproperty.h"

#include "tstream.h"

#include "texception.h"

//#include "tconvert.h"

void TProperty::addListener(Listener *listener)

{

	if (std::find(m_listeners.begin(), m_listeners.end(), listener) == m_listeners.end())

		m_listeners.push_back(listener);

}

void TProperty::removeListener(Listener *listener)

{

	m_listeners.erase(std::remove(m_listeners.begin(), m_listeners.end(), listener), m_listeners.end());

}

void TProperty::notifyListeners() const

{

	std::vector<listener *="">::const_iterator it;</listener>

	for (it = m_listeners.begin(); it != m_listeners.end(); ++it)

		(*it)->onPropertyChanged();

}

//=============================================================================

TPropertyGroup::TPropertyGroup()

{

}

TPropertyGroup::~TPropertyGroup()

{

	for (PropertyVector::iterator it = m_properties.begin();

		 it != m_properties.end(); ++it)

		if (it->second)

			delete it->first;

}

void TPropertyGroup::clear()

{

	m_properties.clear();

	m_table.clear();

}

TPropertyGroup *TPropertyGroup::clone() const

{

	TPropertyGroup *g = new TPropertyGroup();

	for (PropertyVector::const_iterator i = m_properties.begin();

		 i != m_properties.end(); ++i)

		g->add(i->first->clone());

	return g;

}

void TPropertyGroup::add(TProperty *p)

{

	string name = p->getName();

	assert(m_table.find(name) == m_table.end());

	m_properties.push_back(std::make_pair(p, true));

	m_table[name] = p;

}

void TPropertyGroup::bind(TProperty &p)

{

	string name = p.getName();

	assert(m_table.find(name) == m_table.end());

	m_properties.push_back(std::make_pair(&p, false));

	m_table[name] = &p;

}

TProperty *TPropertyGroup::getProperty(string name)

{

	PropertyTable::iterator i = m_table.find(name);

	if (i == m_table.end())

		return 0;

	else

		return i->second;

}

template <class property=""></class>

void assign(Property *dst, TProperty *src)

{

	Property *s = dynamic_cast<property *="">(src);</property>

	if (!s)

		throw TProperty::TypeError();

	dst->setValue(s->getValue());

}

class Setter : public TProperty::Visitor

{

	TProperty *m_src;

public:

	Setter(TProperty *src) : m_src(src) {}

	void visit(TDoubleProperty *dst) { assign(dst, m_src); }

	void visit(TIntProperty *dst) { assign(dst, m_src); }

	void visit(TStringProperty *dst) { assign(dst, m_src); }

	void visit(TBoolProperty *dst) { assign(dst, m_src); }

	void visit(TEnumProperty *dst) { assign(dst, m_src); }

	void visit(TDoublePairProperty *dst) { assign(dst, m_src); }

	void visit(TIntPairProperty *dst) { assign(dst, m_src); }

	void visit(TStyleIndexProperty *dst) { assign(dst, m_src); }

	void visit(TPointerProperty *dst) { assign(dst, m_src); }

};

void TPropertyGroup::setProperties(TPropertyGroup *g)

{

	for (PropertyVector::const_iterator i = g->m_properties.begin();

		 i != g->m_properties.end(); ++i) {

		TProperty *src = i->first;

		TProperty *dst = getProperty(src->getName());

		if (dst) {

			Setter setter(src);

			TProperty::Visitor *visitor = &setter;

			dst->accept(*visitor);

		}

	}

}

void TPropertyGroup::accept(TProperty::Visitor &v)

{

	for (PropertyVector::const_iterator i = m_properties.begin();

		 i != m_properties.end(); ++i)

		i->first->accept(v);

}

class PropertyWriter : public TProperty::Visitor

{

	TOStream &m_os;

public:

	PropertyWriter(TOStream &os) : m_os(os) {}

	void visit(TDoubleProperty *p)

	{

		std::map<string, string=""> attr;</string,>

		attr["type"] = "double";

		attr["name"] = p->getName();

		attr["min"] = toString(p->getRange().first);

		attr["max"] = toString(p->getRange().second);

		attr["value"] = toString(p->getValue());

		m_os.openCloseChild("property", attr);

	}

	void visit(TDoublePairProperty *p)

	{

		std::map<string, string=""> attr;</string,>

		attr["type"] = "pair";

		attr["name"] = p->getName();

		attr["min"] = toString(p->getRange().first);

		attr["max"] = toString(p->getRange().second);

		TDoublePairProperty::Value value = p->getValue();

		attr["value"] = toString(value.first) + " " + toString(value.second);

		m_os.openCloseChild("property", attr);

	}

	void visit(TIntPairProperty *p)

	{

		std::map<string, string=""> attr;</string,>

		attr["type"] = "pair";

		attr["name"] = p->getName();

		attr["min"] = toString(p->getRange().first);

		attr["max"] = toString(p->getRange().second);

		TIntPairProperty::Value value = p->getValue();

		attr["value"] = toString(value.first) + " " + toString(value.second);

		m_os.openCloseChild("property", attr);

	}

	void visit(TIntProperty *p)

	{

		std::map<string, string=""> attr;</string,>

		attr["type"] = "int";

		attr["name"] = p->getName();

		attr["min"] = toString(p->getRange().first);

		attr["max"] = toString(p->getRange().second);

		attr["value"] = toString(p->getValue());

		m_os.openCloseChild("property", attr);

	}

	void visit(TBoolProperty *p)

	{

		std::map<string, string=""> attr;</string,>

		attr["type"] = "bool";

		attr["name"] = p->getName();

		attr["value"] = p->getValue() ? "true" : "false";

		m_os.openCloseChild("property", attr);

	}

	void visit(TStringProperty *p)

	{

		std::map<string, string=""> attr;</string,>

		attr["type"] = "string";

		attr["name"] = p->getName();

		attr["value"] = toString(p->getValue());

		m_os.openCloseChild("property", attr);

	}

	void visit(TStyleIndexProperty *p)

	{

		std::map<string, string=""> attr;</string,>

		attr["type"] = "string";

		attr["name"] = p->getName();

		attr["value"] = p->getValueAsString();

		m_os.openCloseChild("property", attr);

	}

	void visit(TEnumProperty *p)

	{

		std::map<string, string=""> attr;</string,>

		attr["type"] = "enum";

		attr["name"] = p->getName();

		attr["value"] = toString(p->getValue());

		if (TEnumProperty::isRangeSavingEnabled()) {

			m_os.openChild("property", attr);

			std::vector<wstring> range = p->getRange();</wstring>

			for (int i = 0; i < (int)range.size(); i++) {

				attr.clear();

				attr["value"] = toString(range[i]);

				m_os.openCloseChild("item", attr);

			}

			m_os.closeChild();

		} else

			m_os.openCloseChild("property", attr);

	}

	void visit(TPointerProperty *p)

	{

		std::map<string, string=""> attr;</string,>

		attr["type"] = "pointer";

		attr["name"] = p->getName();

		attr["value"] = p->getValueAsString();

		m_os.openCloseChild("property", attr);

	}

};

void TPropertyGroup::loadData(TIStream &is)

{

	for (PropertyVector::iterator it = m_properties.begin();

		 it != m_properties.end(); ++it)

		if (it->second)

			delete it->first;

	m_properties.clear();

	m_table.clear();

	string tagName;

	while (is.matchTag(tagName)) {

		if (tagName == "property") {

			string name = is.getTagAttribute("name");

			string type = is.getTagAttribute("type");

			string svalue = is.getTagAttribute("value");

			if (name == "")

				throw TException("missing property name");

			if (type == "")

				throw TException("missing property type");

			if (type != "string" && svalue == "")

				throw TException("missing property value");

			if (type == "double") {

				double min = toDouble(is.getTagAttribute("min"));

				double max = toDouble(is.getTagAttribute("max"));

				add(new TDoubleProperty(name, min, max, toDouble(svalue)));

			}

			if (type == "pair") {

				double min = toDouble(is.getTagAttribute("min"));

				double max = toDouble(is.getTagAttribute("max"));

				TDoublePairProperty::Value v(0, 0);

				int i = svalue.find(' ');

				if (i != (int)string::npos) {

					v.first = toDouble(svalue.substr(0, i));

					v.second = toDouble(svalue.substr(i + 1));

				}

				add(new TDoublePairProperty(name, min, max, v.first, v.second));

			} else if (type == "int") {

				int min = toInt(is.getTagAttribute("min"));

				int max = toInt(is.getTagAttribute("max"));

				add(new TIntProperty(name, min, max, toInt(svalue)));

			} else if (type == "bool") {

				if (svalue != "true" && svalue != "false")

					throw TException("bad boolean property value");

				add(new TBoolProperty(name, svalue == "true" ? true : false));

			} else if (type == "string") {

				add(new TStringProperty(name, toWideString(svalue)));

			} else if (type == "enum") {

				TEnumProperty *p = new TEnumProperty(name);

				if (is.isBeginEndTag())

					p->addValue(toWideString(svalue));

				else {

					while (is.matchTag(tagName)) {

						if (tagName == "item") {

							string item = is.getTagAttribute("value");

							p->addValue(toWideString(item));

						} else

							throw TException("expected range property <item>");</item>

					}

					is.closeChild();

				}

				p->setValue(toWideString(svalue));

				add(p);

			} else

				throw TException("unrecognized property type : " + type);

		} else

			throw TException("expected <property>");</property>

		// is.closeChild();

	}

}

void TPropertyGroup::saveData(TOStream &os) const

{

	PropertyWriter writer(os);

	const_cast<tpropertygroup *="">(this)->accept(writer);</tpropertygroup>

}

namespace

{

bool EnumRangeSavingEnabled = true;

}

void TEnumProperty::enableRangeSaving(bool on)

{

	EnumRangeSavingEnabled = on;

}

bool TEnumProperty::isRangeSavingEnabled()

{

	return EnumRangeSavingEnabled;

}