#include "num.h"

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>

void printLnNum( struct NumContainer num ) {
    if ( num.t == INT ) {
        printf("%d\n", num.n.vali);
    } else {
        printf("%f\n", num.n.valf);
    }
}

void printNum( struct NumContainer num ) {
    if ( num.t == INT ) {
        printf("%d ", num.n.vali);
    } else {
        printf("%f ", num.n.valf);
    }
}

char evalasBool( struct NumContainer num ) {
    if (num.t == INT) {
        if (num.n.vali == 0) {
            return 0;
        } else {
            return 1;
        }
    } else {
        if (num.n.valf == 0.0) {
            return 0;
        } else {
            return 1;
        }
    }
}

struct NumContainer readNum(char* s) {
    char* original = s;
    int is_int = 1;
    struct NumContainer res;
    while (*s != '\0') {
        if ( !isdigit(*s) ) {
            if ( *s == '.' && is_int ) {
                is_int = 0;
            } else {
                fprintf(stderr, "'%s' is not a number", original);
                exit(1);
            }
        }
        ++s;
    }
    if (is_int) {
        res.t = INT;
        res.n.vali = atoi(original);
    } else {
        res.t = FLOAT;
        res.n.valf = atof(original);
    }
    return res;
}