#ifndef CALC_H
#define CALC_H

#include <pebble.h>
#include "pebblisp.h"

#define SMAX_LENGTH 256
#define RESULT_LENGTH 20
#define CELL_HEIGHT 44

#define SCRIPT_COUNT 5

Window *s_menu_window;
Window *s_code_window;

// Custom layers
Window *s_custom_window;
TextLayer *s_heading_text_layer;
char header[30] = "";

// Code layers
TextLayer *s_input_text_layer;
TextLayer *s_result_text_layer;

// Menu layers
MenuLayer *s_menu_layer;
TextLayer *s_list_message_layer;

int current_code;

// Currently selected button, starts on '('
static int8_t selected_token = 1;

// PebbLisp environment
static struct Environment env;

// Live code text
char mytext[SMAX_LENGTH] = "";

// The actual displayed code text
char temptext[SMAX_LENGTH] = "";

// The result of execution
char resulttext[RESULT_LENGTH] = "";

const char *tokens[] = {
    " ", "(", ")",
    "+ ", "- ", "* ", "/ ",
    "1","2","3",
    "4","5","6",
    "7","8","9", "0", "x",
    "a", "b", "c", "d", "e", 
    "= ", "< ", "> ", 
    "\"",
    "cat", "map", "fil",
    "fn", "def", "if", "\n",
    "...",
    "END"
};

const char *func_tokens[] = {
    "spent ", "window ",
    "max ", "min ",
    "sq ", "cube ", "exp "
};

const uint32_t inbox_size = 1024;
const uint32_t outbox_size = 64;

bool using_func_tokens = false;

#endif