#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <limits.h>

struct carinfo_t
{
	char *brand;
	char *model;
	int year;
	float value;

};

struct carinfo_t *createCarinfo(char *brand, char *model, int year, float value)
{



	struct carinfo_t* temp = (struct carinfo_t*) malloc(sizeof(struct carinfo_t));

	temp->brand = (char*)malloc(sizeof(char)*(strlen(brand) +1));
	strcpy(temp->brand, brand);

	temp->model = (char*)malloc(sizeof(char)*(strlen(model) + 1));
	strcpy(temp->model, model);

	temp->year = year;

	temp->value = value;

	return temp;
}

void addCarinfo(struct carinfo_t **carbase, struct carinfo_t *carinfo)
{
	int i = 0;
	int n = 0;
	for (i = 0; i < 100; i++)
	{
		if (carbase[i] != NULL)
		{
			n++;
		}
	}
	if (n >= 100)
	{

		printf("Failed adding car; carbase is already full!");
	}
	if (n < 100)
	{
		carbase[n] = carinfo;


	}
}
void freeCarinfo(struct carinfo_t *carinfo)
{
	free(carinfo->brand);
	free(carinfo->model);
	free(carinfo);


}

void printCarbase(struct carinfo_t **carbase)
{
	int i,j = 0;
	int n = 0;
	for (j = 0; j < 100; j++)
	{
		if (carbase[j] == NULL)
		{
			n++;
		}
	}
	for (i = 0; i < 100; i++)
	{
		if (n == 100)
		{
			printf("The database is empty.\n", carbase[i]);
			i = 105;
		}
		if (carbase[i] != NULL && i < 100)
		{
			printf("Car:\n");
			printf("- brand: %s\n", carbase[i]->brand);
			printf("- model: %s\n", carbase[i]->model);
			printf("- year:  %d\n", carbase[i]->year);
			printf("- value: %.2f\n", carbase[i]->value);
		}
	}
}

void removeCarinfo(struct carinfo_t **carbase, struct carinfo_t	*carinfo)
{
	int i,j,n = 0;
	for (i = 0; i < 100; i++)
	{
		if (carbase[i] != NULL)
		{
			if (strcmp(carbase[i]->brand, carinfo->brand) == 0 && strcmp(carbase[i]->model, carinfo->model) == 0 && carbase[i]->year == carinfo->year)
			{

				free(carbase[i]->brand);
				free(carbase[i]->model);
				free(carbase[i]);
				carbase[i] = NULL;
			}
		}

	}
}
int main()
{
	int i, j = 0;
	struct carinfo_t *carbase[100] = {};
	struct carinfo_t *carinfo;
	char brand[20] = {};
	char model[20] = {};
	int year = 0;
	float value = 0;
	char remove[20] = {};
char f;
	int e = 1;

	while (e)
	{
		printf("Command (a/r/p/q): ");
		scanf(" %c", &f);
		switch (f)
		{
		case 'a':
			printf("Add a car:\n");
			printf(" brand: ");
			scanf(" %s", &brand);
			printf(" model: ");
			scanf(" %s", &model);
			printf(" year: ");
			scanf("  %d", &year);
			printf(" value: ");
			scanf(" %f", &value);

			carinfo = createCarinfo(brand, model, year, value);
			addCarinfo(carbase, carinfo);


			break;
		case 'p': printCarbase(carbase);
			break;
		case 'r':
			printf("Remove a car:\n");
			printf(" brand: ");
			scanf(" %[^\n]s\n", &brand);
			printf(" model: ");
			scanf(" %[^\n]s", &model);
			printf(" year: ");
			scanf(" %d", &year);
			carinfo = createCarinfo(brand, model, year, '\0');
			removeCarinfo(carbase, carinfo);
			break;
		case 'q': e = 0;
			break;

		}
	}
}