//+----------------------------------------------------------------------------+
//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
//| Copyright:    (C) 2001 - 2007 Twan van Laarhoven                           |
//| License:      GNU General Public License 2 or later (see file COPYING)     |
//+----------------------------------------------------------------------------+

// ----------------------------------------------------------------------------- : Includes

#include <data/field.hpp>
#include <data/field/text.hpp>
#include <data/field/choice.hpp>
#include <data/field/multiple_choice.hpp>
#include <data/field/boolean.hpp>
#include <data/field/image.hpp>
#include <data/field/symbol.hpp>
#include <data/field/color.hpp>
#include <data/field/information.hpp>
#include <util/error.hpp>

DECLARE_TYPEOF_COLLECTION(StyleListener*);

// ----------------------------------------------------------------------------- : Field

Field::Field()
	: index            (0) // sensible default?
	, editable         (true)
	, save_value       (true)
	, show_statistics  (true)
	, identifying      (false)
	, card_list_column (100)
	, card_list_width  (100)
	, card_list_visible(false)
	, card_list_allow  (true)
	, card_list_align  (ALIGN_LEFT)
	, tab_index        (0)
{}

Field::~Field() {}

IMPLEMENT_REFLECTION(Field) {
	REFLECT_IF_NOT_READING {
		String type = typeName();
		REFLECT(type);
	}
	REFLECT(name);
	REFLECT_IF_READING name = cannocial_name_form(name);
	REFLECT(description);
	REFLECT_N("icon", icon_filename);
	REFLECT(editable);
	REFLECT(save_value);
	REFLECT(show_statistics);
	REFLECT(identifying);
	REFLECT(card_list_column);
	REFLECT(card_list_width);
	REFLECT(card_list_visible);
	REFLECT(card_list_allow);
	REFLECT(card_list_name);
	REFLECT_IF_READING if(card_list_name.empty()) card_list_name = name;
	REFLECT_N("card_list_alignment", card_list_align);
	REFLECT(tab_index);
}

template <>
intrusive_ptr<Field> read_new<Field>(Reader& reader) {
	// there must be a type specified
	String type;
	reader.handle(_("type"), type);
	if      (type == _("text"))				return new_intrusive<TextField>();
	else if (type == _("choice"))			return new_intrusive<ChoiceField>();
	else if (type == _("multiple choice"))	return new_intrusive<MultipleChoiceField>();
	else if (type == _("boolean"))			return new_intrusive<BooleanField>();
	else if (type == _("image"))			return new_intrusive<ImageField>();
	else if (type == _("symbol"))			return new_intrusive<SymbolField>();
	else if (type == _("color"))			return new_intrusive<ColorField>();
	else if (type == _("info"))				return new_intrusive<InfoField>();
	else {
		throw ParseError(_("Unsupported field type: '") + type + _("'"));
	}
}

// ----------------------------------------------------------------------------- : Style

Style::Style(const FieldP& field)
	: fieldP(field)
	, z_index(0)
	, left(0),  top(0)
	, width(0), height(0)
	, right(0), bottom(0)
	, visible(true)
	, automatic_side(AUTO_UNKNOWN)
	, content_dependent(false)
{}

Style::~Style() {}

IMPLEMENT_REFLECTION(Style) {
	REFLECT(z_index);
	REFLECT(left);
	REFLECT(width);
	REFLECT(right);
	REFLECT(top);
	REFLECT(height);
	REFLECT(bottom);
	REFLECT(visible);
}

void init_object(const FieldP& field, StyleP& style) {
	if (!style) style = field->newStyle(field);
}
template <> StyleP read_new<Style>(Reader&) {
	throw InternalError(_("IndexMap contains nullptr StyleP the application should have crashed already"));
}

bool Style::update(Context& ctx) {
	bool changed =
	       left   .update(ctx)
	     | width  .update(ctx)
	     | right  .update(ctx)
	     | top    .update(ctx)
	     | height .update(ctx)
	     | bottom .update(ctx)
	     | visible.update(ctx);
	// determine automatic_side
	if (automatic_side == AUTO_UNKNOWN) {
		if      (right  == 0) automatic_side = (AutomaticSide)(automatic_side | AUTO_RIGHT);
		else if (width  == 0) automatic_side = (AutomaticSide)(automatic_side | AUTO_WIDTH);
		else                  automatic_side = (AutomaticSide)(automatic_side | AUTO_LEFT);
		if      (bottom == 0) automatic_side = (AutomaticSide)(automatic_side | AUTO_BOTTOM);
		else if (height == 0) automatic_side = (AutomaticSide)(automatic_side | AUTO_HEIGHT);
		else                  automatic_side = (AutomaticSide)(automatic_side | AUTO_TOP);
	}
	if (automatic_side & AUTO_WIDTH){
		changed=changed;//BREAKPOINT
	}
	// update the automatic_side
	if      (automatic_side & AUTO_LEFT)   left   = right - width;
	else if (automatic_side & AUTO_WIDTH)  width  = right - left;
	else                                   right  = left + width;
	if      (automatic_side & AUTO_TOP)    top    = bottom - height;
	else if (automatic_side & AUTO_HEIGHT) height = bottom - top;
	else                                   bottom = top + height;
	// are there changes?
	return changed;
}

void Style::initDependencies(Context& ctx, const Dependency& dep) const {
//	left   .initDependencies(ctx,dep);
//	top    .initDependencies(ctx,dep);
//	width  .initDependencies(ctx,dep);
//	height .initDependencies(ctx,dep);
//	visible.initDependencies(ctx,dep);
}
void Style::checkContentDependencies(Context& ctx, const Dependency& dep) const {
	left   .initDependencies(ctx,dep);
	top    .initDependencies(ctx,dep);
	width  .initDependencies(ctx,dep);
	height .initDependencies(ctx,dep);
	right  .initDependencies(ctx,dep);
	bottom .initDependencies(ctx,dep);
	visible.initDependencies(ctx,dep);
}

void Style::markDependencyMember(const String& name, const Dependency& dep) const {
	// no content specific properties here
}

void mark_dependency_member(const Style& style, const String& name, const Dependency& dep) {
	style.markDependencyMember(name,dep);
}

// ----------------------------------------------------------------------------- : StyleListener

void Style::addListener(StyleListener* listener) {
	listeners.push_back(listener);
}
void Style::removeListener(StyleListener* listener) {
	listeners.erase(
		std::remove(
			listeners.begin(),
			listeners.end(),
			listener
			),
		listeners.end()
		);
}
void Style::tellListeners(bool already_prepared) {
	FOR_EACH(l, listeners) l->onStyleChange(already_prepared);
}

StyleListener::StyleListener(const StyleP& style)
	: styleP(style)
{
	style->addListener(this);
}
StyleListener::~StyleListener() {
	styleP->removeListener(this);
}


// ----------------------------------------------------------------------------- : Value

IMPLEMENT_DYNAMIC_ARG(Value*, value_being_updated, nullptr);

Value::~Value() {}

IMPLEMENT_REFLECTION_NAMELESS(Value) {
}

bool Value::equals(const Value* that) {
	return this == that;
}

void init_object(const FieldP& field, ValueP& value) {
	if (!value) value = field->newValue(field);
}
template <> ValueP read_new<Value>(Reader&) {
	throw InternalError(_("IndexMap contains nullptr ValueP the application should have crashed already"));
}



void mark_dependency_member(const IndexMap<FieldP,ValueP>& value, const String& name, const Dependency& dep) {
	IndexMap<FieldP,ValueP>::const_iterator it = value.find(name);
	if (it != value.end()) {
		(*it)->fieldP->dependent_scripts.add(dep);
	}
}
