#define GLEW_STATIC
#include <glew/glew.h>
#include <SFML/Window.hpp>
#include "sparrowrenderer.h"
#include "phongmaterial.h"
#include "skybox.h"
#include "camera.h"
#include "sphere.h"
#include "utils.h"
#include "texture.h"

Scene* buildScene(int width, int height)
{
    Scene* scene = new Scene();
    Camera* cam = new Camera(width, height);
    cam->moveTo(glm::vec3(0, 0, 3));
    cam->lookAt(glm::vec2(0, 0));
    scene->setCamera(cam);
    Mesh* myGrid = new Sphere(2);
    myGrid->initGL();
    std::string vertSource = Utils::fileToString("../phong.vert");
    std::string fragSource = Utils::fileToString("../phong.frag");
    Shader* shader = new Shader(vertSource, fragSource);
    PhongMaterial* mat = new PhongMaterial(shader);
    Texture* tex = new Texture("../data/noise.png");
    mat->setTexture(tex);
    std::string filenames[6] = {
        "../data/skybox_ft", "../data/skybox_bk",
        "../data/skybox_up", "../data/skybox_dn",
        "../data/skybox_lf", "../data/skybox_rt"
    };
    SkyBox* skybox = new SkyBox(filenames);
    scene->addEntity(skybox);
    scene->addEntity(myGrid, mat);
    return scene;
}

int main()
{
    SparrowRenderer* renderer;

    // crée la fenêtre
    sf::Window window(sf::VideoMode(800, 600), "OpenGL", sf::Style::Default, sf::ContextSettings(32));
    window.setVerticalSyncEnabled(true);

    renderer = new SparrowRenderer(800, 600);
    Scene* scene = buildScene(800, 600);
    renderer->setScene(scene);

    // la boucle principale
    bool running = true;
    while (running)
    {
        // gestion des évènements
        sf::Event event;
        while (window.pollEvent(event))
        {
            if (event.type == sf::Event::Closed)
            {
                // on stoppe le programme
                running = false;
            }
            else if (event.type == sf::Event::Resized)
            {
                renderer->resize(event.size.width, event.size.height);
            }
        }

        renderer->render();

        // termine la trame courante (en interne, échange les deux tampons de rendu)
        window.display();
    }

    // libération des ressources...

    return 0;
}