#pragma once

#include <stdint.h>

namespace UwU {

    // Color datatype returns individual channel values from rgba hexcode
  struct Color {
    Color(uint32_t hex) {
      this->a =  hex & 0x000000ff;
      this->b = (hex & 0x0000ff00) >> 8;
      this->g = (hex & 0x00ff0000) >> 16;
      this->r = (hex & 0xff000000) >> 24;
    }
    Color(uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
      this->r = r;
      this->g = g;
      this->b = b;
      this->a = a;
    }
    Color() {}
    uint8_t r;
    uint8_t g;
    uint8_t b;
    uint8_t a;
  };

  // Coord2 datatype for xy coordinates, from top-left of surface
  struct Coord2 {
    Coord2(uint16_t x, uint16_t y) {
      this->x = x;
      this->y = y;
    }
    Coord2() {}
    uint16_t x;
    uint16_t y;
  };

  // Vec2 datatype for signed x, y coordinates
  struct Vec2 {
    Vec2(int16_t x, int16_t y) {
      this->x = x;
      this->y = y;
    }
    Vec2() {}
    int16_t x;
    int16_t y;
  };

  // 2x2 matrix, Q15.16 signed fixed point
  struct Matrix4 {
    Matrix4(int32_t xx, int32_t xy, int32_t yx, int32_t yy) {
      this->xx = xx;
      this->xy = xy;
      this->yx = yx;
      this->yy = yy;
    }
    Matrix4() {}
    int32_t xx;  // x' = x*xx + y*xy
    int32_t xy;
    int32_t yx;  // y' = x*yx + y*yy
    int32_t yy;
  };

  // class Mapper {
  //   public:
  //   Mapper() {

  //   }
  //   uint16_t *xxMap;

  // };

  enum ShaderType {
    COLOR,
    HGRADIENT,
    VGRADIENT
  };

  enum Direction {
    H,
    V
  };
}