#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <math.h>
#include "funktionen.h"

void welcome() {
    char x[15];
    printf("Hallo! Wie heisst du?\n");
    scanf("%s", &x);
    printf("\nSchöner Name, %s!\n\n", x);
}

int choose_program() {
    int i;

    printf("Welches der folgenden Programme moechtest du starten?\n1. Rechner.exe\n2. Gleichungen.exe\n3. TicTacToe.exe\n\n");
    scanf("%d", &i);

    return i;
}

int addThreeNumbers(int a, int b, int c) {
    return a + b + c;
}

int multiply(int h, int g) {
    return h * g;
}

int subtract(int num1, int num2) {
    return num1 - num2;
}

int divide(int num1, int num2) {
    return num1 / num2;
}

int power(int base, int power) {
    int speicher = 1;

    for (int i = 0; i < power; i++) {
        speicher *= base;
    }

    return speicher;
}

int x_wins_00_10_20(char board[][3]) {
    if (board[0][0] == 'X' && board[1][0] == 'X' && board[2][0] == 'X') {
        return 1;
    }    
}

int x_wins_01_11_21(char board[][3]) {
    if (board[0][1] == 'X' && board[1][1] == 'X' && board[2][1] == 'X') {
        return 1;
    }    
}

int string_character_counter(char string[]) {
    int stringLength = 0;

    for (int i = 0; string[i] != '\0'; i++) {
        stringLength++;
    }

    return stringLength;
}

int characterAppearanceInString(char c, char string[]) {
    int appear = 0;

    for (int i = 0; i < string_character_counter(string); i++) {
        if (string[i] == c) {
            appear++;
        }
    }

    return appear;
}

// Function to calculate the sine of an angle in radians
float sine(float x) {
	return sin(x);
}

// Function to calculate the cosine of an angle in radians
float cosine(float x) {
	return cos(x);
}

// Function to calculate the tangent of an angle in radians
float tangent(float x) {
	return tan(x);
}

// Function to calculate the arc sine of a value and return the result in radians
float arcSine(float x) {
	if (x >= -1 && x <= 1) {
		return asin(x);
	}
	else {
		printf("Error: Invalid input for arc sine!\n");
		return 0;
	}
}

// Function to calculate the arc cosine of a value and return the result in radians
float arcCosine(float x) {
	if (x >= -1 && x <= 1) {
		return acos(x);
	}
	else {
		printf("Error: Invalid input for arc cosine!\n");
		return 0;
	}
}

// Function to calculate the arc tangent of a value and return the result in radians
float arcTangent(float x) {
	return atan(x);
}

// Function to convert degrees to radians
float degreesToRadians(float x) {
	return x * (M_PI / 180);
}

// Function to convert radians to degrees
float radiansToDegrees(float x) {
	return x * (180 / M_PI);
}

// Function to calculate the base 10 logarithm of a number and add 1
float logarithmPlusOne(float x) {
	if (x > 0) {
		return log10(x) + 1;
	}
	else {
		printf("Error: Invalid input for logarithm + 1!\n");
		return 0;
	}
}

// Function to calculate the natural logarithm (base e) of a number and add 1
float naturalLogarithmPlusOne(float x) {
	if (x > 0) {
		return log(x) + 1;
	}
	else {
		printf("Error: Invalid input for natural logarithm + 1!\n");
		return 0;
	}
}