#include "bullet.h"

#include <memory> // Para allocator, unique_ptr, make_unique
#include <string> // Para char_traits, basic_string, operator+, string

#include "param.h"    // Para Param, ParamGame, param
#include "resource.h" // Para Resource

// Constructor
Bullet::Bullet(float x, float y, BulletType bullet_type, bool powered, int owner)
    : sprite_(std::make_unique<AnimatedSprite>(Resource::get()->getTexture("bullet.png"), Resource::get()->getAnimation("bullet.ani"))),
      pos_x_(x),
      pos_y_(y),
      bullet_type_(bullet_type),
      owner_(owner)
{
    vel_x_ = (bullet_type_ == BulletType::LEFT)    ? VEL_X_LEFT_
             : (bullet_type_ == BulletType::RIGHT) ? VEL_X_RIGHT_
                                                   : 0;

    std::string powered_type = powered ? "powered_" : "normal_";
    switch (bullet_type)
    {
    case BulletType::UP:
        sprite_->setCurrentAnimation(powered_type + "up");
        break;

    case BulletType::LEFT:
        sprite_->setCurrentAnimation(powered_type + "left");
        break;

    case BulletType::RIGHT:
        sprite_->setCurrentAnimation(powered_type + "right");
        break;

    default:
        break;
    }

    collider_.r = WIDTH / 2;
    shiftColliders();
}

// Implementación de render (llama al render del sprite_)
void Bullet::render()
{
    if (bullet_type_ != BulletType::NONE)
        sprite_->render();
}

// Actualiza el estado del objeto
BulletMoveStatus Bullet::update()
{
    sprite_->update();
    return move();
}

// Implementación del movimiento usando BulletMoveStatus
BulletMoveStatus Bullet::move()
{
    pos_x_ += vel_x_;
    if (pos_x_ < param.game.play_area.rect.x - WIDTH || pos_x_ > param.game.play_area.rect.w)
    {
        disable();
        return BulletMoveStatus::OUT;
    }

    pos_y_ += VEL_Y_;
    if (pos_y_ < param.game.play_area.rect.y - HEIGHT)
    {
        disable();
        return BulletMoveStatus::OUT;
    }

    shiftSprite();
    shiftColliders();

    return BulletMoveStatus::OK;
}

bool Bullet::isEnabled() const
{
    return bullet_type_ != BulletType::NONE;
}

void Bullet::disable()
{
    bullet_type_ = BulletType::NONE;
}

int Bullet::getOwner() const
{
    return owner_;
}

Circle &Bullet::getCollider()
{
    return collider_;
}

void Bullet::shiftColliders()
{
    collider_.x = pos_x_ + collider_.r;
    collider_.y = pos_y_ + collider_.r;
}

void Bullet::shiftSprite()
{
    sprite_->setX(pos_x_);
    sprite_->setY(pos_y_);
}