#include "MiniEngine/MiniEngine.h"
#include "MiniEngine/MiniEngine_Event.h"
using namespace MiniEngine;

#include "TiledMap.h"
#include <cstdlib>
#include <ctime>
using namespace std;

int AppMain()
{
    srand(time(NULL));
    Window wnd("TiledMap",1024,768);
    Renderer rnd=wnd.getRenderer();

    TiledMap tmap(20,15,20);
    for(int i=0;i<20;i++)
    {
        for(int j=0;j<15;j++)
        {
            TiledBox box;
            box.tid=-1-rand()%2;
            if(box.tid==-2) box.color=RGBA(255,0,0,0);
            tmap[i][j]=box;
        }
    }
    tmap.setViewPoint(10,7);

    Looper lp;
    lp.updater=[&]()
    {
        Point center(1024/2,768/2);
        int vl,vc;
        tmap.getViewPoint(vl,vc);
        int width=tmap.getRectSize();

        rnd.clear();
        for(int i=0;i<20;i++)
        {
            for(int j=0;j<15;j++)
            {
                Rect rc;
                rc.x=center.x-(vc-j)*width-width/2;
                rc.y=center.y-(vl-i)*width-width/2;
                rc.w=rc.h=width;

                if(rc.hasIntersection(wnd.getSize()))
                {
                    switch(tmap[i][j].tid)
                    {
                    case -1:
                        break;
                    case -2:
                        rnd.setColor(tmap[i][j].color);
                        rnd.fillRect(rc);
                        rnd.setColor(RGBA(0,0,0,0));
                        break;
                    }
                }
            }
        }

        Rect rc;
        rc.x=center.x-width/2;
        rc.y=center.y-width/2;
        rc.w=rc.h=width;
        rnd.setColor(RGBA(0,255,0,0));
        rnd.fillRect(rc);
        rnd.setColor(RGBA(0,0,0,0));
        rnd.update();
    };
    lp.add(SDL_QUIT,[&](){lp.stop();});
    lp.add(SDL_KEYDOWN,[&](Event& e)
    {
        int vl,vc;
        tmap.getViewPoint(vl,vc);
        printf("Position: Line %d Col %d\n",vl,vc);
        switch(e.key.keysym.sym)
        {
        case SDLK_KP_PLUS:
            printf("Plus Pressed.\n");
            tmap.setRectSize(tmap.getRectSize()+10);
            lp.needupdate();
            break;
        case SDLK_KP_MINUS:
            printf("Minus Presse.\n");
            tmap.setRectSize(tmap.getRectSize()-10);
            lp.needupdate();
            break;
        case SDLK_DOWN:
            {
                int vx,vy;
                tmap.getViewPoint(vx,vy);
                tmap.setViewPoint(vx+1,vy);
                lp.needupdate();
            }
            break;
        case SDLK_UP:
            {
                int vx,vy;
                tmap.getViewPoint(vx,vy);
                tmap.setViewPoint(vx-1,vy);
                lp.needupdate();
            }
            break;
        case SDLK_LEFT:
            {
                int vx,vy;
                tmap.getViewPoint(vx,vy);
                tmap.setViewPoint(vx,vy-1);
                lp.needupdate();
            }
            break;
        case SDLK_RIGHT:
            {
                int vx,vy;
                tmap.getViewPoint(vx,vy);
                tmap.setViewPoint(vx,vy+1);
                lp.needupdate();
            }
            break;
        case SDLK_ESCAPE:
            {
                lp.stop();
            }
            break;
        }
    });
    lp.run();

    return 0;
}