#pragma once

#include "foundation/result.h"

#include <cstdint>

namespace pp::paint {

constexpr float min_brush_size = 0.1F;
constexpr float max_brush_size = 4096.0F;
constexpr float min_brush_spacing = 0.01F;
constexpr float max_brush_spacing = 16.0F;
constexpr float max_brush_angle_degrees = 360.0F;

struct BrushParams {
    float size = 32.0F;
    float spacing = 0.25F;
    float opacity = 1.0F;
    float flow = 1.0F;
    float angle_degrees = 0.0F;
    float size_jitter = 0.0F;
    float opacity_jitter = 0.0F;
    bool pressure_controls_size = true;
    bool pressure_controls_opacity = false;
};

struct BrushStamp {
    float size = 0.0F;
    float opacity = 0.0F;
    float flow = 0.0F;
    float angle_degrees = 0.0F;
};

[[nodiscard]] pp::foundation::Status validate_brush_params(const BrushParams& params) noexcept;
[[nodiscard]] BrushStamp evaluate_brush_stamp(const BrushParams& params, float pressure) noexcept;

}