//#define _CRT_SECURE_NO_WARNINGS



#include <stdio.h>
#include <windows.h>
#include <conio.h>

struct Film
{
	char name[32];
	char Genre[32];
	char Producer[32];
	double Rating;
	double Price;
}*arr = NULL;

int N = 0;

void setData()
{
	for (int i = 0; i < N; i++)
	{
		
		printf("\nНазва фільму: ");
		scanf("%s", &arr[i].name);
		printf("\nЖанр ");
		scanf("%s", &arr[i].Genre);
		printf("\nРежисер ");
		scanf("%s", &arr[i].Producer);
		printf("\nРейтинг ");
		scanf("%lf", &arr[i].Rating);
		printf("\nЦіна за диск ");
		scanf("%lf", &arr[i].Price);
		

	
	

	}
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
void showData()
{
	system("cls");
	for (int i = 0; i < N; i++)
	{
		printf("\n=============================================");
		printf("\n%d \nНазва фільму: %s ", i + 1, arr[i].name);
		printf("\nЖанр: %s ", arr[i].Genre);
		printf("\nРежисер: %s ", arr[i].Producer);
		printf("\nРейтин: %lf ", arr[i].Rating);
		printf("\nЦiна за диск: %lf $", arr[i].Price);
	}
	system("pause");
	system("cls");

}

void Search()
{
	char Genre[32];
	printf("\nВведiть жанр:");
	scanf("%s", &Genre);
	system("cls");
	for (int i = 0; i < N; i++)
	{
		if (strstr(Genre, arr[i].Genre))
		{
			printf("\n=============================================" );
			printf("\n%d \nНазва фільму: %s ",i+1, arr[i].name);
			printf("\nЖанр: %s ", arr[i].Genre);
			printf("\nРежисер: %s ", arr[i].Producer);
			printf("\nРейтин: %lf ", arr[i].Rating);
			printf("\nЦiна за диск: %lf $", arr[i].Price);
			
		}
	}
	system("pause");
	system("cls");
}

void writeStruct(const char* path)
{
	FILE* f = fopen(path, "wb");
	for (int i = 0; i < N; i++)
		fwrite(&arr[i], sizeof(Film), 1, f);
	fclose(f);
}

void readStruct(const char* path)
{
	FILE* f;
	f = fopen(path, "rb");
	if (f == NULL)
		writeStruct(path);
	else
	{
		fseek(f, 0, SEEK_END);
		N = ftell(f) / sizeof(Film);
		rewind(f);
		arr = (Film*)malloc(N * sizeof(Film));
		fread(arr, sizeof(Film), N, f);
		fclose(f);
	}
}




int main()
{
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);
	
	readStruct("d:\\practice.bin");
	
	setData();
	showData();
	Search();

	writeStruct("d:\\practice.bin");

	return 0;
}