#pragma once
#include "State_OverworldMap.h"
#include "Crawler.h"
#include "DEFINES.h"
#include "Menu.h"
#include "Unlock.h"
#include "ConnectionPoint.h"
#include "utils.h"
#include "MenuLabel.h"
#include "EncountersSpawnListScrollableWindowComponent.h"

INCLUDE_MONSTER_LIST
INCLUDE_game

std::vector<ConnectionPoint>State_OverworldMap::connections;

State_OverworldMap::State_OverworldMap(){
	SetStageMarker("Stage I-I"); //Eventually we will load the game from a file and this will not be necessary. We just set it to this for now.
}
void State_OverworldMap::OnStateChange(GameState*prevState){
	if(Menu::IsMenuOpen()){
		Menu::CloseAllMenus();
	}
	game->GetPlayer()->SetPos(currentConnectionPoint->rect.pos+currentConnectionPoint->rect.size/2+vf2d{0,16});
	playerTargetPos=currentConnectionPoint->rect.pos+currentConnectionPoint->rect.size/2+vf2d{0,16};
	game->GetPlayer()->UpdateWalkingAnimation(DOWN);
	game->GetPlayer()->SetState(State::FORCE_WALK);
	game->GetPlayer()->SetSizeMult(1);
	game->camera.MoveCamera(currentConnectionPoint->rect.middle()+vf2d{game->GetScreenSize().x/6.0f,0});
	Component<MenuLabel>(OVERWORLD_LEVEL_SELECT,"Chapter Label")->SetLabel("Chapter "+std::to_string(game->GetCurrentChapter()));
	Component<MenuLabel>(OVERWORLD_LEVEL_SELECT,"Stage Label")->SetLabel(currentConnectionPoint->name);
	Component<EncountersSpawnListScrollableWindowComponent>(OVERWORLD_LEVEL_SELECT,"Spawns List")->UpdateSpawns(currentConnectionPoint->spawns);
	Component<MenuComponent>(OVERWORLD_LEVEL_SELECT,"Enter Button")->Enable(currentConnectionPoint->levelDataExists);
	Menu::OpenMenu(OVERWORLD_LEVEL_SELECT,false);
};
void State_OverworldMap::OnUserUpdate(Crawler*game){
	game->camera.SetTarget(currentConnectionPoint->rect.middle()+vf2d{game->GetScreenSize().x/6.0f,0});
	game->UpdateCamera(game->GetElapsedTime());
	game->GetPlayer()->Update(game->GetElapsedTime());

	if(game->GetPlayer()->GetPos()!=playerTargetPos){
		if(geom2d::line<float>(game->GetPlayer()->GetPos(),playerTargetPos).length()<2){
			game->GetPlayer()->SetPos(playerTargetPos);
		}else{
			game->GetPlayer()->SetPos(game->GetPlayer()->GetPos()+util::pointTo(game->GetPlayer()->GetPos(),playerTargetPos)*playerMoveSpd*game->GetElapsedTime());
		}
	}

	for(ConnectionPoint&cp:connections){
		if(game->GetMouse(Mouse::LEFT).bPressed&&geom2d::overlaps(game->GetWorldMousePos(),cp.rect)){
			for(int neighborInd:currentConnectionPoint->neighbors){
				if(neighborInd==-1)continue;
				ConnectionPoint&neighbor=ConnectionPointFromIndex(neighborInd);
				if(Unlock::IsUnlocked(neighbor.name)&&&cp==&neighbor){
					currentConnectionPoint=&neighbor;
					playerTargetPos=currentConnectionPoint->rect.pos+currentConnectionPoint->rect.size/2+vf2d{0,16};
					float angleTo=util::angleTo(game->GetPlayer()->GetPos(),playerTargetPos);
					if(angleTo>=-3*PI/4&&angleTo<-PI/4){
						game->GetPlayer()->UpdateWalkingAnimation(UP);
					}else
					if(angleTo<PI/4&&angleTo>=-PI/4){
						game->GetPlayer()->UpdateWalkingAnimation(RIGHT);
					}else
					if(angleTo>=PI/4&&angleTo<3*PI/4){
						game->GetPlayer()->UpdateWalkingAnimation(DOWN);
					}else{
						game->GetPlayer()->UpdateWalkingAnimation(LEFT);
					}
					Component<MenuLabel>(OVERWORLD_LEVEL_SELECT,"Stage Label")->SetLabel(currentConnectionPoint->name);
					Component<EncountersSpawnListScrollableWindowComponent>(OVERWORLD_LEVEL_SELECT,"Spawns List")->UpdateSpawns(currentConnectionPoint->spawns);
					Component<MenuComponent>(OVERWORLD_LEVEL_SELECT,"Enter Button")->Enable(currentConnectionPoint->levelDataExists);
					break;
				}
			}
		}
	}
};
void State_OverworldMap::Draw(Crawler*game){
	currentTime+=game->GetElapsedTime();
	for(ConnectionPoint&cp:connections){
		if(!Unlock::IsUnlocked(cp)){
			game->view.FillRectDecal(cp.rect.pos,cp.rect.size,{0,0,0,128});
		}
	}
	for(ConnectionPoint&cp:connections){
		if(Unlock::IsUnlocked(cp)&&geom2d::overlaps(game->GetWorldMousePos(),cp.rect)&&(&cp==currentConnectionPoint||cp.IsNeighbor(*currentConnectionPoint))){
			float borderThickness=4;
			vf2d crosshairExtension={std::min(0.25f*cp.rect.size.x-borderThickness/2,12.f),std::min(0.25f*cp.rect.size.y-borderThickness/2,12.f)};
			vf2d pulsatingAmt=vf2d{1,1}*std::abs(std::sin(currentTime*3))*2;
			//Lower-Left Corner
			vf2d pos=cp.rect.pos+vf2d{0,cp.rect.size.y-borderThickness}+vf2d{-pulsatingAmt.x,pulsatingAmt.y};
			vf2d size={borderThickness+crosshairExtension.x,borderThickness};
			game->view.FillRectDecal(pos,size,RED);
			pos=vf2d{pos.x,pos.y-crosshairExtension.y};
			size={borderThickness,crosshairExtension.y};
			game->view.FillRectDecal(pos,size,RED);
			//Lower-Right Corner
			pos=cp.rect.pos+vf2d{cp.rect.size.x-borderThickness-crosshairExtension.x,cp.rect.size.y-borderThickness}+vf2d{pulsatingAmt.x,pulsatingAmt.y};
			size={borderThickness+crosshairExtension.x,borderThickness};
			game->view.FillRectDecal(pos,size,RED);
			pos=vf2d{pos.x+crosshairExtension.x,pos.y-crosshairExtension.y};
			size={borderThickness,crosshairExtension.y};
			game->view.FillRectDecal(pos,size,RED);
			//Upper-Left Corner
			pos=cp.rect.pos+vf2d{0,0}+vf2d{-pulsatingAmt.x,-pulsatingAmt.y};
			size={borderThickness+crosshairExtension.x,borderThickness};
			game->view.FillRectDecal(pos,size,RED);
			pos=vf2d{pos.x,pos.y+borderThickness};
			size={borderThickness,crosshairExtension.y};
			game->view.FillRectDecal(pos,size,RED);
			//Upper-Right Corner
			pos=cp.rect.pos+vf2d{cp.rect.size.x-borderThickness-crosshairExtension.x,0}+vf2d{pulsatingAmt.x,-pulsatingAmt.y};
			size={borderThickness+crosshairExtension.x,borderThickness};
			game->view.FillRectDecal(pos,size,RED);
			pos=vf2d{pos.x+crosshairExtension.x,pos.y+borderThickness};
			size={borderThickness,crosshairExtension.y};
			game->view.FillRectDecal(pos,size,RED);
			break;
		}
	}
};
void State_OverworldMap::SetStageMarker(std::string connectionName){
	for(ConnectionPoint&connection:connections){
		if(connection.name==connectionName){
			currentConnectionPoint=&connection;
			return;
		}
	}
	ERR("WARNING! Could not find a connection point with name "<<connectionName<<"!");
}

ConnectionPoint&State_OverworldMap::ConnectionPointFromIndex(int ind){
	return connections.at(ind);
}

ConnectionPoint&State_OverworldMap::GetCurrentConnectionPoint(){
	return *((State_OverworldMap*)(GameState::states.at(States::OVERWORLD_MAP)))->currentConnectionPoint;
}

void State_OverworldMap::StartLevel(){
    game->LoadLevel(LEVEL_NAMES.at(State_OverworldMap::GetCurrentConnectionPoint().map));
    GameState::ChangeState(States::GAME_RUN);
}