#pragma once
#include "Item.h"
#include "safemap.h"
#include "DEFINES.h"
#include "Crawler.h"

INCLUDE_game
INCLUDE_DATA
INCLUDE_GFX

safemap<std::string,ItemInfo>ITEM_DATA;
safemap<std::string,std::function<bool(Crawler*,ItemProps)>>ITEM_SCRIPTS;
safemap<std::string,std::set<std::string>>ITEM_CATEGORIES;

typedef std::string IT;

ItemInfo::ItemInfo()
	:customProps({nullptr,nullptr}){}

void ItemInfo::InitializeItems(){

	InitializeScripts();

	for(auto&key:DATA["ItemCategory"].GetKeys()){
		ITEM_CATEGORIES[key.first];
	}

	for(auto&key:DATA["ItemDatabase"].GetKeys()){
		std::string imgPath="assets/"+"item_img_directory"_S+key.first+".png";
		Renderable&img=GFX["item_img_directory"_S+key.first+".png"];
		img.Load(imgPath);

		std::string scriptName="",description="",category="";
		for(auto&itemKey:DATA["ItemDatabase"][key.first].GetKeys()){
			std::string keyName=itemKey.first;
			if(keyName=="Description"){
				description=DATA["ItemDatabase"][key.first][keyName].GetString();
			}else
			if(keyName=="ItemCategory"){
				category=DATA["ItemDatabase"][key.first][keyName].GetString();
			}else
			if(keyName=="ItemScript"){
				scriptName=DATA["ItemDatabase"][key.first][keyName].GetString();
			}else{ //THis is a custom override modifier for a script. NO-OP
			}
		}

		if(scriptName!=""){
			if(!ITEM_SCRIPTS.count(scriptName)){
				std::cout<<"Could not load script "<<scriptName<<" for Item "<<key.first<<"!"<<std::endl;
				throw;
			}
		}

		ItemInfo&it=ITEM_DATA[key.first];
		it.name=key.first;
		it.description=description;
		it.category=category;
		if(!ITEM_CATEGORIES.count(it.category)){
			std::cout<<"WARNING! Tried to add item "<<it.name<<" to category "<<it.category<<" which does not exist!"<<std::endl;
			throw;
		}
		ITEM_CATEGORIES.at(it.category).insert(it.name);
		it.img=img.Decal();
		it.script=scriptName;
		ItemProps&props=it.customProps;
		if(scriptName!=""){
			props.scriptProps=&DATA["ItemScript"][scriptName];
			props.customProps=&DATA["ItemDatabase"][key.first];
		}
		it.useFunc=scriptName;
	}
	
	ITEM_DATA.SetInitialized();
	ITEM_CATEGORIES.SetInitialized();

	std::cout<<ITEM_DATA.size()<<" items have been loaded."<<std::endl;
	std::cout<<ITEM_CATEGORIES.size()<<" item categories have been loaded."<<std::endl;
}

ItemProps::ItemProps(utils::datafile*scriptProps,utils::datafile*customProps)
	:scriptProps(scriptProps),customProps(customProps){}

int ItemProps::GetIntProp(std::string prop){
	if(customProps->HasProperty(prop)) return (*customProps)[prop].GetInt();
	else return (*scriptProps)[prop].GetInt();
};
float ItemProps::GetFloatProp(std::string prop){
	if(customProps->HasProperty(prop)) return (*customProps)[prop].GetReal();
	else return (*scriptProps)[prop].GetReal();
};
std::string ItemProps::GetStringProp(std::string prop){
	if(customProps->HasProperty(prop)) return (*customProps)[prop].GetString();
	else return (*scriptProps)[prop].GetString();
};

void ItemInfo::InitializeScripts(){
	ITEM_SCRIPTS["Restore"]=[](Crawler*game,ItemProps props){
		game->GetPlayer()->Heal(props.GetIntProp("HP Restore"));
		game->GetPlayer()->Heal(game->GetPlayer()->GetMaxHealth()*props.GetIntProp("HP % Restore")/100.f);
		game->GetPlayer()->RestoreMana(props.GetIntProp("MP Restore"));
		game->GetPlayer()->RestoreMana(game->GetPlayer()->GetMaxMana()*props.GetIntProp("MP % Restore")/100.f);
		return true;
	};

	ITEM_SCRIPTS.SetInitialized();
	std::cout<<ITEM_SCRIPTS.size()<<" item scripts have been loaded."<<std::endl;
}

void Inventory::AddItem(IT it,int amt){
	
}

void Inventory::GetItemCount(IT it){
	
}

void Inventory::UseItem(IT it,int amt)
{
	
}

void Inventory::RemoveItem(IT it,int amt)
{
	
}