// ship.hpp - Clase para la nave del player
// © 1999 Visente i Sergi (versión Pascal)
// © 2025 Port a C++20 con SDL3

#pragma once
#include <SDL3/SDL.h>

#include <cmath>
#include <cstdint>

#include "core/defaults.hpp"
#include "core/entities/entity.hpp"
#include "core/types.hpp"
#include "game/constants.hpp"

class Ship : public Entities::Entity {
    public:
        Ship()
            : Entity(nullptr) {}
        Ship(SDL_Renderer* renderer, const char* shape_file = "ship.shp");

        void init() override { init(nullptr, false); }
        void init(const Vec2* spawn_point, bool activar_invulnerabilitat = false);
        void processInput(float delta_time, uint8_t player_id);
        void update(float delta_time) override;
        void draw() const override;

        // Override: Interfície d'Entity
        [[nodiscard]] bool isActive() const override { return !is_hit_; }

        // Override: Interfície de colisión
        [[nodiscard]] float getCollisionRadius() const override {
            return Defaults::Entities::SHIP_RADIUS;
        }
        [[nodiscard]] bool isCollidable() const override {
            return !is_hit_ && invulnerable_timer_ <= 0.0F;
        }

        // Getters (API pública sin canvis)
        [[nodiscard]] bool isAlive() const { return !is_hit_; }
        [[nodiscard]] bool isHit() const { return is_hit_; }
        [[nodiscard]] bool isInvulnerable() const { return invulnerable_timer_ > 0.0F; }
        [[nodiscard]] Vec2 getVelocityVector() const {
            return {
                .x = velocity_ * std::cos(angle_ - (Constants::PI / 2.0F)),
                .y = velocity_ * std::sin(angle_ - (Constants::PI / 2.0F))};
        }

        // Setters
        void setCenter(const Vec2& nou_centre) { center_ = nou_centre; }

        // Colisiones (Fase 10)
        void markHit() { is_hit_ = true; }

    private:
        // Membres específics de Ship (heretats: renderer_, shape_, center_, angle_, brightness_)
        float velocity_;  // Velocidad (px/s)
        bool is_hit_;
        float invulnerable_timer_;  // 0.0f = vulnerable, >0.0f = invulnerable

        void applyPhysics(float delta_time);
};