/*
 *   ORXONOX - the hottest 3D action shooter ever to exist
 *                    > www.orxonox.net <
 *
 *
 *   License notice:
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
 *   as published by the Free Software Foundation; either version 2
 *   of the License, or (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 *   Author:
 *      Manuel Meier
 *   Co-authors:
 *      Cyrill Burgener
 *
 */

/**
    @file Hover.cc
    @brief Implementation of the Hover class. Sets up the whole Minigame
*/

#include "Hover.h"
#include "chat/ChatManager.h"
#include "HoverOrigin.h"
#include "HoverWall.h"
#include "HoverFlag.h"
#include "MazeGenerator.h"
#include "core/CoreIncludes.h"
#include "gamestates/GSLevel.h"
#include "HoverShip.h"

#include "pickup/PickupSpawner.h"
#include "pickup/Pickup.h"

namespace orxonox
{
    RegisterUnloadableClass(Hover);

    Hover::Hover(Context* context) : Gametype(context)
    {
        RegisterObject(Hover);

        this->origin_ = nullptr;
        this->numberOfFlags_ = 1;
        this->firstTick_ = true;
        level = 1; //start at level 1
        flagsTaken = 0;// took 0 flags in the beginning
        lives = 3;

        numCells = 0;
        cellSize = 0;
        cellHeight = 0;

        totFlags = 0;

        this->setHUDTemplate("HoverHUD");

    }

    void Hover::start()
    {
        Gametype::start();
        if(this->firstTick_ && this->origin_)
        {
            this->firstTick_ = false;

            numCells = this->origin_->getNumCells();
            cellSize = this->origin_->getCellSize();
            cellHeight = this->origin_->getCellHeight();

            MazeGenerator generator(numCells);
            generator.generateMaze();
            generator.renderMaze();

            int* levelcode = generator.getLevelcode();

            //Outer Walls
            for(int i = 0; i<numCells; i++){
                (new HoverWall(origin_->getContext()))->init(0,        i+1,      cellSize, cellHeight, 1);
                (new HoverWall(origin_->getContext()))->init(numCells, i+1,      cellSize, cellHeight, 1);
                (new HoverWall(origin_->getContext()))->init(i+1,      0,        cellSize, cellHeight, 2);
                (new HoverWall(origin_->getContext()))->init(i+1,      numCells, cellSize, cellHeight, 2);
            }



            //Generate inner Walls according to levelcode
            for(int y=0; y<numCells; y++){
                for(int x=0; x<numCells; x++){
                    switch(levelcode[ y * numCells + x ])
                    {
                        case 1: (new HoverWall(origin_->getContext()))->init(x+1, numCells-y, cellSize, cellHeight, 1);
                            break;
                        case 3: (new HoverWall(origin_->getContext()))->init(x+1, numCells-y, cellSize, cellHeight, 1);
                        case 2: (new HoverWall(origin_->getContext()))->init(x+1, numCells-y, cellSize, cellHeight, 0);
                        default:
                            break;
                    }
                }
            }

            //Generate 5 flags randomly (test only 1 flag)
            for ( int i = 0; i < 5; i++ )
            {
                HoverFlag* flag = new HoverFlag(origin_->getContext());
                flag->init(rand()%numCells, rand()%numCells, cellSize);
                flags_.push_back(flag);
            }
            

            //Generate 5 PickupSpawners randomly
            for (int i = 0; i<5; i++)
            {
                PickupSpawner* pickupSpawner = new PickupSpawner(origin_->getContext());

                pickupSpawner->setPosition(get3dCoordinates(rand()%numCells, rand()%numCells, 10.0f));
                pickupSpawner->setPickupTemplateName(origin_->getPickupTemplate());
                pickupSpawner->setMaxSpawnedItems(5);
                pickupSpawner->setRespawnTime(30);
                pickupSpawner->setTriggerDistance(5);
                // Add pickup spawner to the pickup spawner list
                pickupSpawners_.push_back(pickupSpawner);
            }
             //If no lives are left, end game
            if(lives <= 0){
                GSLevel::startMainMenu();
            }

            orxout() << this->origin_->getPickupTemplate() << endl;
            orxout() << this->origin_->getPickupRepresentationTemplate() << endl;
        } 
    }


    // Rename/delete this function.
    void Hover::startLevel()
    {
        //Generate 5 flags randomly (test only 1 flag)
            for ( int i = 0; i < 5; i++ )
            {
                HoverFlag* flag = new HoverFlag(origin_->getContext());
                flag->init(rand()%numCells, rand()%numCells, cellSize);
                flags_.push_back(flag);
            }

        //Generate 5 PickupSpawners randomly
            for (int i = 0; i<5; i++)
            {
                PickupSpawner* pickupSpawner = new PickupSpawner(origin_->getContext());

                pickupSpawner->setPosition(get3dCoordinates(rand()%numCells, rand()%numCells, 10.0f));
                pickupSpawner->setPickupTemplateName(origin_->getPickupTemplate());
                pickupSpawner->setMaxSpawnedItems(5);
                pickupSpawner->setRespawnTime(30);
                pickupSpawner->setTriggerDistance(5);
                // Add pickup spawner to the pickup spawner list
                pickupSpawners_.push_back(pickupSpawner);
            }

            
    }

    void Hover::tick(float dt)
    {
        SUPER(Hover, tick, dt);


        // Check if ship collided with one of the flags
        for ( unsigned int i = 0; i < flags_.size(); i++ )
        {
            if(flags_[i]->getCollided())
            {
                flags_[i]->destroyLater();
                flags_.erase (flags_.begin()+i);
                totFlags++;
                if(flags_.size()<=0){
                    ChatManager::message("Level Up!");
                    
                    levelUp();
                    //GSLevel::startMainMenu();
                }
            }

        }
        numberOfFlags_ = flags_.size();

        if(lives <= 0){
                GSLevel::startMainMenu();
            }
    }

    void Hover::levelUp()
    {
        level++;
        startLevel();

    }

    Vector3 Hover::get3dCoordinates(int x, int y, float heightOffset)
    {
        return Vector3(x*cellSize*1.0f + cellSize/2, heightOffset, y*cellSize*1.0f + cellSize/2);
    }

    void Hover::costLife()
    {
        lives--;
        if (lives <= 0)
            GSLevel::startMainMenu();
    }
}