/*******************************************************************************
 * This file is part of the "Enduro2D"
 * For conditions of distribution and use, see copyright notice in LICENSE.md
 * Copyright (C) 2018-2020, by Matvey Cherevko (blackmatov@gmail.com)
 ******************************************************************************/

#include "../common.hpp"
using namespace e2d;

namespace
{
    class game_system final : public systems::update_system {
    public:
        void process(
            ecs::registry& owner,
            const systems::update_event& event) override
        {
            E2D_UNUSED(owner, event);
            const keyboard& k = the<input>().keyboard();

            if ( k.is_key_just_released(keyboard_key::f1) ) {
                the<dbgui>().toggle_visible(!the<dbgui>().visible());
            }

            if ( k.is_key_just_released(keyboard_key::escape) ) {
                the<window>().set_should_close(true);
            }

            if ( k.is_key_pressed(keyboard_key::lsuper) && k.is_key_just_released(keyboard_key::enter) ) {
                the<window>().toggle_fullscreen(!the<window>().fullscreen());
            }
        }
    };

    class game final : public starter::application {
    public:
        bool initialize() final {
            return create_scene()
                && create_systems();
        }
    private:
        bool create_scene() {
            auto scene_prefab_res = the<library>().load_asset<prefab_asset>("scenes/sample_08.json");
            auto scene_go = scene_prefab_res
                ? the<world>().instantiate(scene_prefab_res->content())
                : gobject();
            return scene_go.valid();
        }

        bool create_systems() {
            ecs::registry_filler(the<world>().registry())
            .feature<struct game_feature>(ecs::feature()
                .add_system<game_system>());
            return true;
        }
    };
}

int e2d_main(int argc, char *argv[]) {
    const auto starter_params = starter::parameters(
        engine::parameters("sample_08", "enduro2d")
            .window_params(engine::window_parameters()
                .size({1024, 768}))
            .timer_params(engine::timer_parameters()
                .maximal_framerate(100)));
    modules::initialize<starter>(argc, argv, starter_params).start<game>();
    modules::shutdown<starter>();
    return 0;
}
