#include "suic_app.h"
// #include "runtime.h"  // Not available
#include <math.h>

const char* suic_item_name(uint8_t t) {
    if (t == 1) return "Medkit";
    if (t == 2) return "Pistol ammo";
    if (t == 3) return "Rifle ammo";
    return "-";
}

struct Color* suic_apply_directional_lighting(
    struct Color* baseColor,
    struct Vector3* normal,
    struct DirectionalLight* light
) {
    struct Vector3* lightDir = light->direction;

    float diff = fmaxf(
        0.0f,
        -(lightDir->x * normal->x +
          lightDir->y * normal->y +
          lightDir->z * normal->z)
    );

    float brightness =
        light->ambientIntensity +
        diff * light->intensity * (1.0f - light->ambientIntensity);

    uint8_t r = (uint8_t)(baseColor->r * brightness);
    uint8_t g = (uint8_t)(baseColor->g * brightness);
    uint8_t b = (uint8_t)(baseColor->b * brightness);

    return suic_alloc_struct(
        &sui_typeinfo_Color,
        sizeof(struct Color),
        &(struct Color){ r, g, b, baseColor->a }
    );
}