#include "UI.hpp"

#include <stdexcept>

#include <SFML/System/Vector2.hpp>
#include <SFML/Graphics/Texture.hpp>
#include <SFML/Graphics/Sprite.hpp>
#include <SFML/Graphics/BlendMode.hpp>
#include <SFML/Graphics/RenderStates.hpp>

#include <SFML/Graphics/RectangleShape.hpp>
#include <SFML/Graphics/CircleShape.hpp>


void UI::DrawUIOnRenderWindow(std::shared_ptr<sf::RenderWindow> context) {
    sf::Sprite spriteRender;
    spriteRender.setTexture(this->mUIRender.getTexture());
    spriteRender.setPosition(0.0f, 0.0f);
    spriteRender.setScale(1.0f, 1.0f);
    context->draw(spriteRender);
}


CockpitUI::CockpitUI() : UI() {
    sf::ContextSettings sViewSettings;
    sViewSettings.depthBits = 0;
    sViewSettings.stencilBits = 0;
    sViewSettings.antialiasingLevel = 8;
    sViewSettings.sRgbCapable = true;

    if (!mUIRender.create(1280, 720, sViewSettings))
        throw std::runtime_error("Texture renderer creation failure");
    
    mUIRender.setSmooth(true);
    mUIRender.setRepeated(false);

    mStaticCockpitTexture.setSrgb(true);
    if (!mStaticCockpitTexture.loadFromFile("cockpit_ui_empty_rescaled.png", sf::IntRect(0, 0, 1280, 780)))
        throw std::runtime_error("Unable to load texture datas");
}

void CockpitUI::Update() {
    
}

void CockpitUI::Draw(std::shared_ptr<sf::RenderWindow> context) {
    sf::BlendMode sBM = sf::BlendNone;
    sf::RenderStates sRS(sBM);

    // Clear the UI screen
    mUIRender.clear(sf::Color::Transparent);

    // Draw the static board
    sf::Sprite staticBoardSprite(mStaticCockpitTexture);
    mUIRender.draw(staticBoardSprite, sRS);

    // Draw the radar display
    sf::CircleShape radar(95, 8);
    radar.setRotation(22.5f);
    radar.setPosition(sf::Vector2f(838,378));
    radar.setFillColor(sf::Color::Yellow);
    mUIRender.draw(radar, sRS);

    // Do the final texture render
    mUIRender.display();

    // OnScreen rendering
    DrawUIOnRenderWindow(context);
}


WorldUI::WorldUI(std::shared_ptr<Graphic3DRenderer> engineInstance) : UI(), mWorld3D(engineInstance) {
    sf::ContextSettings sViewSettings;
    sViewSettings.depthBits = 0;
    sViewSettings.stencilBits = 0;
    sViewSettings.antialiasingLevel = 8;
    sViewSettings.sRgbCapable = true;

    if (!mUIRender.create(1280, 324, sViewSettings))     // Only the upper of the screen is renderer as the UI hide whats left.
        throw std::runtime_error("Texture renderer creation failure");

    mUIRender.setSmooth(true);
    mUIRender.setRepeated(false);
    mUIRender.clear(sf::Color::Black);

    mUIRender.display();
}

void WorldUI::Update() {

}

void WorldUI::Draw(std::shared_ptr<sf::RenderWindow> context) {
    sf::BlendMode sBM = sf::BlendNone;
    sf::RenderStates sRS(sBM);

    // Clear the UI screen
    mUIRender.clear(sf::Color::Transparent);

    // Draw the 3D view
    mWorld3D->Draw(mUIRender);

    // Do the final texture render
    mUIRender.display();

    // OnScreen rendering
    DrawUIOnRenderWindow(context);
}