//
//  SimpleLevelPickerView.cpp
//  HalloweenSpaceInvaders-mobile
//
//  Created by Katarzyna Kalinowska-Górska on 01/10/2019.
//

#include <stdio.h>
#include "SimpleLevelPickerView.h"
#include "MiscUtils.h"
#include "GeometryUtils.h"

SimpleLevelPickerView* SimpleLevelPickerView::create(std::vector<std::string> levelImagePaths){
    SimpleLevelPickerView * view = new (std::nothrow) SimpleLevelPickerView();
    if(view && view->init(levelImagePaths))
    {
        view->autorelease();
        return view;
    }
    CC_SAFE_DELETE(view);
    return nullptr;
}

bool SimpleLevelPickerView::init(std::vector<std::string> levelImagePaths){
    if(!cocos2d::Node::init()){
        return false;
    }
    
    for(auto levelImagePath : levelImagePaths){
        auto newLevelView = LevelView::create(levelImagePath);
        addChild(newLevelView);
        levelViews.emplace_back(newLevelView);
        newLevelView->setCascadeOpacityEnabled(true);
        newLevelView->setOpacity(0);
        auto contentSize = getContentSize();
        contentSize = cocos2d::Size(MAX(contentSize.width, newLevelView->getBoundingBox().size.width), MAX(contentSize.height, newLevelView->getBoundingBox().size.height));
        setContentSize(contentSize);
    }
    
    for(auto levelView : levelViews){
        levelView->setPosition(getContentSize().width/2, getContentSize().height/2);
    }
    
    _selectedLevelIndex = 0;
    levelViews[_selectedLevelIndex]->setOpacity(255);
    levelViews[_selectedLevelIndex]->setChosen(true, false);
    
    _onLevelChanged = nullptr;
    prepareTouchHandlers();
    
    return true;
}

void SimpleLevelPickerView::selectLevelIndex(int index, bool animated){
    if(_selectedLevelIndex != index){
        if(animated){
            levelViews[_selectedLevelIndex]->runAction(cocos2d::FadeOut::create(MiscUtils::StandardAnimationTime));
            levelViews[_selectedLevelIndex]->setChosen(false, true);
            levelViews[index]->runAction(cocos2d::FadeIn::create(MiscUtils::StandardAnimationTime));
            levelViews[index]->setChosen(true, true);
        } else {
            levelViews[_selectedLevelIndex]->setOpacity(0);
            levelViews[_selectedLevelIndex]->setChosen(false, false);
            levelViews[index]->setOpacity(255);
            levelViews[index]->setChosen(true, false);
        }
        _selectedLevelIndex = index;
    }
}

int SimpleLevelPickerView::getPickedLevelIndex(){
    return _selectedLevelIndex;
}

void SimpleLevelPickerView::addOnLevelChangedCallback(std::function<void(int)> onLevelChanged){
    _onLevelChanged = onLevelChanged;
}

void SimpleLevelPickerView::loadPropertiesFromJSON(const rapidjson::Value& jsonValue, LayoutViewInterface* scene, const std::string resFolder, const std::string altResFolder)
{
    setAnchorPoint(cocos2d::Vec2(0.5,0.5));
    this->loadCommonPropertiesFromJSON(jsonValue);
}

void SimpleLevelPickerView::prepareTouchHandlers()
{
    auto touchListener = cocos2d::EventListenerTouchOneByOne::create();
    touchListener->onTouchBegan = [&](cocos2d::Touch* touch, cocos2d::Event* event){
        return GeometryUtils::getBoundingBoxToWorld(this).containsPoint(touch->getLocation());
//        if(getBoundingBox().containsPoint(touch->getLocation())){
//            return true;
//        }
//        return false;
    };
    touchListener->onTouchEnded = [&](cocos2d::Touch* touch, cocos2d::Event* event){
        
        if(GeometryUtils::getBoundingBoxToWorld(this).containsPoint(touch->getLocation())){
            selectLevelIndex((_selectedLevelIndex+1)%levelViews.size(), true);
            if(_onLevelChanged != nullptr){
                _onLevelChanged(_selectedLevelIndex);
            }
        }
    };
    _eventDispatcher->addEventListenerWithSceneGraphPriority(touchListener, this);
}