#pragma region License
/*
License (OLC-3)
~~~~~~~~~~~~~~~

Copyright 2024 Joshua Sigona <sigonasr2@gmail.com>

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

1. Redistributions or derivations of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.

2. Redistributions or derivative works in binary form must reproduce the above
copyright notice. This list of conditions and the following	disclaimer must be
reproduced in the documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors may
be used to endorse or promote products derived from this software without specific
prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS	"AS IS" AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
SHALL THE COPYRIGHT	HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL,	SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT	(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.

Portions of this software are copyright © 2024 The FreeType
Project (www.freetype.org). Please see LICENSE_FT.txt for more information.
All rights reserved.
*/
#pragma endregion
#include "AdventuresInLestoria.h"
#include "MenuComponent.h"
#include "drawutil.h"
#include "util.h"
#include "ScrollableWindowComponent.h"
#include "Menu.h"

INCLUDE_game

using A=Attribute;

MenuComponent::MenuComponent(geom2d::rect<float>rect,std::string label,MenuFunc onClick,ButtonAttr attributes)
	:rect(rect),originalPos(rect.pos),label(label),onClick(onClick),hoverEffect(0),selectable(!(attributes&ButtonAttr::UNSELECTABLE)),selectableViaKeyboard(!(attributes&ButtonAttr::UNSELECTABLE_VIA_KEYBOARD)),memoryLeakInfo(Menu::GetMemoryLeakReportInfo()),fitToLabel(attributes&ButtonAttr::FIT_TO_LABEL){}

MenuComponent::MenuComponent(geom2d::rect<float>rect,std::string label,MenuFunc onClick,vf2d labelScaling,ButtonAttr attributes)
	:MenuComponent(rect,label,onClick,attributes){
	//NOTE: This constructor also calls the other constructor above!
	this->labelScaling=labelScaling;
}

MenuComponent::~MenuComponent(){}

void MenuComponent::AfterCreate(){}

void MenuComponent::_BeforeUpdate(AiL*game){
	_OnMouseOut();
	BeforeUpdate(game);
}
void MenuComponent::BeforeUpdate(AiL*game){}

void MenuComponent::Update(AiL*game){
	if(hovered){
		hoverEffect=std::min("ThemeGlobal.HighlightTime"_F,hoverEffect+game->GetElapsedTime());
	}else{
		hoverEffect=std::max(0.f,hoverEffect-game->GetElapsedTime());
	}
}

void MenuComponent::_Update(AiL*game){
	if(!disable&&!disableOutsideWindow){
		_OnHover();
		Update(game);
	}
}

void MenuComponent::OnEquipStatsUpdate(){}

void MenuComponent::DrawDecal(ViewPort&window,bool focused){
	if(background){
		Pixel backCol=PixelLerp(Menu::themes[Menu::themeSelection].GetButtonCol(),Menu::themes[Menu::themeSelection].GetHighlightCol(),hoverEffect/"ThemeGlobal.HighlightTime"_F);
		if(grayedOut){
			backCol=DARK_GREY;
		}
		window.FillRectDecal(rect.pos+V(A::DRAW_OFFSET),rect.size,backCol);
	}
	if(selected&&selectionType==HIGHLIGHT){
		window.FillRectDecal(rect.pos+V(A::DRAW_OFFSET),rect.size,PixelLerp(Menu::themes[Menu::themeSelection].GetButtonCol(),Menu::themes[Menu::themeSelection].GetHighlightCol(),util::lerp(0.75f,1.0f,hoverEffect/"ThemeGlobal.HighlightTime"_F)));
	}
	if(border){
		window.FillRectDecal(rect.pos+V(A::DRAW_OFFSET),{rect.size.x+1,1},borderCol);
		window.FillRectDecal(rect.pos+V(A::DRAW_OFFSET),{1,rect.size.y+1},borderCol);
		window.FillRectDecal(rect.pos+V(A::DRAW_OFFSET)+vf2d{rect.size.x-1+1,0},{1,rect.size.y+1},borderCol);
		window.FillRectDecal(rect.pos+V(A::DRAW_OFFSET)+vf2d{0,rect.size.y-1+1},{rect.size.x+1,1},borderCol);
	}
	if(showDefaultLabel){
		vf2d adjustedScale=labelScaling;
		vi2d labelTextSize=vf2d(game->GetTextSizeProp(label))*adjustedScale;

		if(fitToLabel){
			float sizeRatio=(vf2d(labelTextSize).x)/(rect.size.x-2);
			if(sizeRatio>1){
				adjustedScale.x/=sizeRatio;
                labelTextSize.x/=sizeRatio;
			}
		}
		window.DrawStringPropDecal(rect.pos+V(A::DRAW_OFFSET)+rect.size/2-vf2d(labelTextSize)/2.f,label,WHITE,adjustedScale);
	}
    if(selected){
		switch(selectionType){
			case CROSSHAIR:drawutil::DrawCrosshairDecalViewPort(window,{rect.pos+V(A::DRAW_OFFSET),rect.size},0);break;
			case INNER_BOX:window.DrawRectDecal(rect.pos+V(A::DRAW_OFFSET)+vi2d{1,1},rect.size-vi2d{2,2});break;
			case HIGHLIGHT:break;//Not used.
			case SelectionType::NONE:break;//Displays nothing.
			default:ERR("Undefined selection type selected: "<<int(selectionType));
		}
    }
}

void MenuComponent::_DrawDecal(ViewPort&window,bool focused){
	if(!disable&&!disableOutsideWindow){
		DrawDecal(window,focused);
	}
}

std::unique_ptr<MenuComponent>MenuComponent::PickUpDraggableItem(){
	return {};
}

bool MenuComponent::DropDraggableItem(std::unique_ptr<MenuComponent>draggable){
	return false;
}

bool MenuComponent::GetHoverState(AiL*game){
	if(!parentComponent.expired()){
		return parentComponent.lock()->GetHoverState(game,this);
	}else{
		vf2d parentWindowPos=Menu::menus[parentMenu]->pos;
		return geom2d::overlaps(geom2d::rect<float>{rect.pos+parentWindowPos,rect.size},game->GetMousePos());
	}
}

bool MenuComponent::GetHoverState(AiL*game,MenuComponent*child){
	return false;
}

bool MenuComponent::PointWithinParent(MenuComponent*child,vi2d drawPos){
	if(!parentComponent.expired()){
		return parentComponent.lock()->PointWithinParent(child,drawPos);
	}else{
		return true;
	}
}

bool MenuComponent::PointWithinParent(MenuComponent*child,geom2d::rect<float> drawRect){
	if(!parentComponent.expired()){
		return parentComponent.lock()->PointWithinParent(child,drawRect);
	}else{
		return true;
	}
}

bool MenuComponent::HandleOutsideDisabledButtonSelection(std::weak_ptr<MenuComponent>disabledButton){
	return false;
};

vf2d MenuComponent::GetPos(){
	return rect.pos;
}

const vf2d&MenuComponent::GetSize()const{
	return rect.size;
}

const std::string&MenuComponent::GetLabel()const{
	return label;
}

void MenuComponent::Enable(){
	disable=false;		
};

void MenuComponent::Disable(){
	disable=true;		
};

void MenuComponent::EnableOutsideWindow(){
	disableOutsideWindow=false;		
};

void MenuComponent::DisableOutsideWindow(){
	disableOutsideWindow=true;		
};

void MenuComponent::Cleanup(){}

std::string MenuComponent::GetName(){
	return name;
}

void MenuComponent::SetSelected(bool selected){
	this->selected=selected;
}

void MenuComponent::SetSelectionType(SelectionType selectionType){
	this->selectionType=selectionType;
}

void MenuComponent::OnMouseOut(){};
void MenuComponent::OnHover(){};

void MenuComponent::_OnMouseOut(){
    if(!hovered){
		if(runHoverFunctions){
			if(hoverState){
				hoverState=false;
				onMouseOut(MenuFuncData{*Menu::menus[parentMenu],game,Menu::menus[parentMenu]->components[name],dynamic_pointer_cast<ScrollableWindowComponent>(parentComponent.lock())});
				OnMouseOut();
			}
		}
    }
}
void MenuComponent::_OnHover(){
    if(hovered){
		if(runHoverFunctions&&!hoverState){
			hoverState=true;
            onHover(MenuFuncData{*Menu::menus[parentMenu],game,Menu::menus[parentMenu]->components[name],dynamic_pointer_cast<ScrollableWindowComponent>(parentComponent.lock())});
			OnHover();
        }
	}
}

void MenuComponent::SetHoverFunc(std::function<bool(MenuFuncData)>func){
	runHoverFunctions=true;
	onHover=func;
};
void MenuComponent::SetMouseOutFunc(std::function<bool(MenuFuncData)>func){
	runHoverFunctions=true;
	onMouseOut=func;
};

void MenuComponent::SetGrayedOut(bool grayedOut){
	this->grayedOut=grayedOut;
}

const bool MenuComponent::IsGreyedOut()const{
	return grayedOut;
}

void MenuComponent::OnPlayerMoneyUpdate(uint32_t newMoney){}

void MenuComponent::OnChapterUpdate(uint8_t newChapter){}

void MenuComponent::Click(){
	if(grayedOut||disable||disableOutsideWindow)return;
	std::weak_ptr<ScrollableWindowComponent>parent;
	if(!Menu::menus[parentMenu]->components[name]->parentComponent.expired()){//HACK ALERT! We assume every parent is a scrollable window component.
		parent=Menu::menus[parentMenu]->components[name]->parentComponent;
	}
	onClick(MenuFuncData{*Menu::menus[parentMenu],game,Menu::menus[parentMenu]->components[name],parent});
}
void MenuComponent::SetLabel(std::string newLabel){
	label=newLabel;
}


const bool MenuComponent::IsEnabled()const{
	return !IsDisabled();
}
const bool MenuComponent::IsDisabled()const{
	return disable;
}
const bool MenuComponent::IsEnabledOutsideWindow()const{
	return !IsDisabledOutsideWindow();
}
const bool MenuComponent::IsDisabledOutsideWindow()const{
	return disableOutsideWindow;
}

const std::weak_ptr<MenuComponent>MenuComponent::GetSubcomponentParent()const{
	return subcomponentParent;
}