#include "player.hpp"
#include "../../logging/easylogging++.h"

#include <utility>

Player::Player(std::shared_ptr<InputIdentity> assignedInput, const std::string &skinRessourceName,
               GridCoordinates initCoordinates)
        : spawnPosition(initCoordinates)
{
    playerId = playerCreationCounter++;
    coordinates->setTranslated(spawnPosition);
    input = std::move(assignedInput);

    skinSprite = std::make_shared<VersatileSprite>(skinRessourceName, getIsoSize());
    addChildScreenOffset(skinSprite, IsometricCoordinates(-getIsoSize() / 2.f));

    updateRadiusBasedOnLevel();

    LOG(INFO) << "Player " << playerId << " created.";
}

sf::Vector2f Player::getTrackablePosition() const
{
    return coordinates->isometric().toScreen();
}

sf::Vector2f Player::getTrackableSize() const
{
    return getIsoSize();
}

void Player::update()
{
    if (!input->isActive)
    {
        setActive(false);
        return;
    }

    auto moveDirection = input->direction.asIsometricVector();
    auto moveDelta = moveDirection * speed * FRAME_TIME.asSeconds();
    coordinates->move(moveDelta);

    if (input->isPerformingAction(GameAction::GROW))
    {
        points = (points + 1) * (1 + 1 * FRAME_TIME.asSeconds());
    } else if (input->isPerformingAction(GameAction::SHRINK))
    {
        points *= 1 - 1 * FRAME_TIME.asSeconds();
        if (points < 0) {
            points = 0;
        }
    }

    updateRadiusBasedOnLevel();

    GameObject::update();
}

TrackableState Player::getTrackableState() const
{
    if (getActive())
    {
        return TrackableState::TRACKING;
    } else
    {
        return TrackableState::END_TRACKING;
    }
}

int Player::getPlayerId() const
{
    return playerId;
}

float Player::getWorldRadius() const
{
    return radiusInWorld;
}

sf::Vector2f Player::getIsoSize() const
{
    // TODO: For some reason, the player is a little to narrow. This fixes it.
    const float fixFactor = sqrt(2);
    float width = radiusInWorld * 2.f * WORLD_TO_ISO_SCALE * fixFactor;
    return {width, width * ISOMETRIC_SKEW};
}

void Player::setWorldRadius(float newWorldRadius)
{
    radiusInWorld = newWorldRadius;

    // Update skin
    auto newSize = getIsoSize();
    skinSprite->setSize(newSize);
    skinSprite->coordinates->setScreenOffset(IsometricCoordinates(-newSize / 2.f));
}

long Player::getPoints() const
{
    return points;
}

void Player::updateRadiusBasedOnLevel()
{
    long points = getPoints();
    float newWorldRadius = PLAYER_MIN_RADIUS + PLAYER_RADIUS_PER_LEVEL * pow(points / 100.f, 2);

    setWorldRadius(newWorldRadius);
}