#include "Subconscious.hpp"
#include "WorldScene.hpp"

#include <SFML/Graphics.hpp>

// TODO remove (needed for mousewheel debug)
#include <iostream>
#include <iomanip>

/*** public methods ***/

Subconscious::Subconscious()
    : _window(sf::VideoMode(800, 600), "Subconscious")
{
    _window.setVerticalSyncEnabled(true);
    _window.setFramerateLimit(90);

    // TODO currentScene = new MenuScene("main-menu") or something
}

Subconscious::~Subconscious()
{}

void Subconscious::run()
{
    _running = true;
    while (_running && _window.isOpen()) {

        sf::Event event;

        while (_window.pollEvent(event)) {
            switch (event.type) {
            /*** Keyboard Events ***/
            case sf::Event::KeyPressed:
                switch (event.key.code) {
                case sf::Keyboard::Up:
                    if (WorldScene *worldScene = dynamic_cast<WorldScene*>(_currentScene)) {
                        worldScene->pan(0, -10);
                    }
                    break;

                case sf::Keyboard::Down:
                    if (WorldScene *worldScene = dynamic_cast<WorldScene*>(_currentScene)) {
                        worldScene->pan(0, 10);
                    }
                    break;

                case sf::Keyboard::Left:
                    if (WorldScene *worldScene = dynamic_cast<WorldScene*>(_currentScene)) {
                        worldScene->pan(-10, 0);
                    }
                    break;

                case sf::Keyboard::Right:
                    if (WorldScene *worldScene = dynamic_cast<WorldScene*>(_currentScene)) {
                        worldScene->pan(10, 0);
                    }
                    break;

                default:
                    break;
                }
                break;

            case sf::Event::KeyReleased:
                break;

            /*** Mouse Events ***/
            case sf::Event::MouseButtonPressed:
                break;

            case sf::Event::MouseButtonReleased:
                break;

            case sf::Event::MouseMoved:
                break;

            case sf::Event::MouseWheelScrolled:
                // my mouse always outputs +/- 1.0000, so the zoom speed
                // is 1/10.0 => .1
                // TODO make this a setting that can be changed
                // (mousewheel sensibility)
                //
                // std::cout << std::fixed << std::setprecision(3)
                //           << event.mouseWheelScroll.delta << std::endl;
                if (WorldScene *worldScene = dynamic_cast<WorldScene*>(_currentScene)) {
                    worldScene->zoom(event.mouseWheelScroll.delta/10.0);
                }

                break;

            /*** Window Events ***/
            case sf::Event::Closed:
                _window.close();
                break;

            case sf::Event::Resized:
                _currentScene->resize(event.size);
                break;

            default:
                break;
            }
        }

        gameUpdate();
        gameRender();
    }
}

void Subconscious::demo()
{
    Scene *demoScene = new WorldScene(_window);

    _currentScene = demoScene;
    _scenes.push_back(demoScene);

    run();
}


/*** private methods ***/

void Subconscious::gameUpdate()
{
}

void Subconscious::gameRender()
{
    _window.clear();

    if (_currentScene != nullptr) {
        _currentScene->render();
    }

    _window.display();
}