#pragma once

#include <SDL2/SDL.h>

#define KEY_UNKNOWN 0
#define KEY_A 4
#define KEY_B 5
#define KEY_C 6
#define KEY_D 7
#define KEY_E 8
#define KEY_F 9
#define KEY_G 10
#define KEY_H 11
#define KEY_I 12
#define KEY_J 13
#define KEY_K 14
#define KEY_L 15
#define KEY_M 16
#define KEY_N 17
#define KEY_O 18
#define KEY_P 19
#define KEY_Q 20
#define KEY_R 21
#define KEY_S 22
#define KEY_T 23
#define KEY_U 24
#define KEY_V 25
#define KEY_W 26
#define KEY_X 27
#define KEY_Y 28
#define KEY_Z 29
#define KEY_1 30
#define KEY_2 31
#define KEY_3 32
#define KEY_4 33
#define KEY_5 34
#define KEY_6 35
#define KEY_7 36
#define KEY_8 37
#define KEY_9 38
#define KEY_0 39
#define KEY_RETURN 40
#define KEY_ESCAPE 41
#define KEY_BACKSPACE 42
#define KEY_TAB 43
#define KEY_SPACE 44
#define KEY_MINUS 45
#define KEY_EQUALS 46
#define KEY_LEFTBRACKET 47
#define KEY_RIGHTBRACKET 48
#define KEY_BACKSLASH 49
#define KEY_NONUSHASH 50
#define KEY_SEMICOLON 51
#define KEY_APOSTROPHE 52
#define KEY_GRAVE 53
#define KEY_COMMA 54
#define KEY_PERIOD 55
#define KEY_SLASH 56
#define KEY_CAPSLOCK 57
#define KEY_F1 58
#define KEY_F2 59
#define KEY_F3 60
#define KEY_F4 61
#define KEY_F5 62
#define KEY_F6 63
#define KEY_F7 64
#define KEY_F8 65
#define KEY_F9 66
#define KEY_F10 67
#define KEY_F11 68
#define KEY_F12 69
#define KEY_PRINTSCREEN 70
#define KEY_SCROLLLOCK 71
#define KEY_PAUSE 72
#define KEY_INSERT 73
#define KEY_HOME 74
#define KEY_PAGEUP 75
#define KEY_DELETE 76
#define KEY_END 77
#define KEY_PAGEDOWN 78
#define KEY_RIGHT 79
#define KEY_LEFT 80
#define KEY_DOWN 81
#define KEY_UP 82
#define KEY_NUMLOCKCLEAR 83
#define KEY_KP_DIVIDE 84
#define KEY_KP_MULTIPLY 85
#define KEY_KP_MINUS 86
#define KEY_KP_PLUS 87
#define KEY_KP_ENTER 88
#define KEY_KP_1 89
#define KEY_KP_2 90
#define KEY_KP_3 91
#define KEY_KP_4 92
#define KEY_KP_5 93
#define KEY_KP_6 94
#define KEY_KP_7 95
#define KEY_KP_8 96
#define KEY_KP_9 97
#define KEY_KP_0 98
#define KEY_KP_PERIOD 99
#define KEY_NONUSBACKSLASH 100
#define KEY_APPLICATION 101
#define KEY_LCTRL 224
#define KEY_LSHIFT 225
#define KEY_LALT 226
#define KEY_LGUI 227
#define KEY_RCTRL 228
#define KEY_RSHIFT 229
#define KEY_RALT 230
#define KEY_RGUI 231

#define COLOR_BLACK 0
#define COLOR_BLUE 1
#define COLOR_GREEN 2
#define COLOR_CYAN 3
#define COLOR_RED 4
#define COLOR_MAGENTA 5
#define COLOR_BROWN 6
#define COLOR_LIGHT_GRAY 7
#define COLOR_DARK_GRAY 8
#define COLOR_LIGHT_BLUE 9
#define COLOR_LIGHT_GREEN 10
#define COLOR_LIGHT_CYAN 11
#define COLOR_LIGHT_RED 12
#define COLOR_LIGHT_MAGENTA 13
#define COLOR_YELLOW 14
#define COLOR_WHITE 15

void loop();
const char* get_filename();

void cls(uint8_t value=32);
void ink(uint8_t value);                            // global::ink
void paper(uint8_t value);                          // global::paper
void border(uint8_t value);
void color(uint8_t ink, uint8_t paper, int8_t border=-1);

void locate(uint8_t x, uint8_t y);                  // global::cursorx, global::cursory
void print(const char *str, int x = -1, int y = -1);
void crlf();

bool btn(uint8_t i);
bool btnp(uint8_t i);
uint8_t whichbtn();

int mousex();
int mousey();
int mousewheel();
bool mousebutton(uint8_t i);

int time();

//float abs(float x);

float flr(float x);
float sgn(float x);

#ifndef __LINUX__
#ifndef __APPLE__
float ceil(float x);
float sin(float x);
float cos(float x);
float atan2(float dx, float dy);
float sqrt(float x);
#endif
#endif

float max(float x, float y);
float mid(float x, float y, float z);
float min(float x, float y);

int rnd(int x);
//void srand(int x);

const char* tostr(float val);

void debugchr(const uint8_t chr);
void debug(const char *str, const bool newline=true);
//void pdebug();
void debug_get_cmd();
void next_cmd();
void prev_cmd();

uint8_t ascii(const char *str, uint8_t index);
const char* chr(uint8_t ascii);
const char* substr(const char* str, uint8_t start, uint8_t length);

void setchar(uint8_t index, uint8_t b0, uint8_t b1, uint8_t b2, uint8_t b3, uint8_t b4, uint8_t b5, uint8_t b6, uint8_t b7);
uint8_t peek(uint16_t addr);
void poke(uint16_t addr, uint8_t val);
void memcpy(uint16_t dst, uint16_t src, uint16_t size);

void sound(float freq, uint32_t len);
void nosound();
void play(const char* str);

void setmode(const uint8_t mode);
void load(const char* str);

void fileout(const char* str, uint16_t addr, uint16_t size);
void filein(const char* str, uint16_t addr, uint16_t size);

void toclipboard(const char* str);
const char* fromclipboard();