#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <iostream.h>
#include <string.h>

typedef struct
{
	int nomer;
	char familia[20];
	char state[15];
	int opit;
	float zaplata;
}
my_record;

const int max=100;

int init();
int write_rec();
int read_rec();
int enter();
int disp_all();
int find();
int display(int rec);
int update();
int del(int rec);
int sort();

my_record masiv[max];
int broi;

int main()
{
	printf("INFORMACIONNA SISTEMA\n");
	
	char ch;
	int record;
	init();
	
	do
	{
		printf("\n MENU\n");
		printf("1.VUVEJDANE NA NOV ZAPIS\n");
		printf("2.PREGLED NA ZAPISITE\n");
		printf("3.TURSENE NA POLE\n");
		printf("4.PROMQNA NA ZAPIS\n");
		printf("5.IZTRIVANE NA ZAPIS\n");
		printf("6.SORTIRANE PO POLE\n");
		printf("7.ZAPIS NA DANNITE VUV FILE\n");
		printf("8.CHETENE NA DANNITE OT FILE\n");
		printf("9.IZHOD\n");
		
		do
		{
			printf("IZBERETE <1..9>");
			ch=getchar();
		}
		while(ch<'1'||ch>'9');
		
		switch(ch)
		{
		case '1':enter();break;
		case '2':disp_all();break;
		case '3':record=find();
			if(record !=-1)display(record);
			break;
		case '4':update();break;
		case '5':record=find();
			if(record !=-1)del(record);
			;break;
		case '6':sort();break;
		case '7':write_rec();break;
		case '8':read_rec();break;	
		}
	getcar();
	}
	while(ch!='9');
	
	system("pause");
	return 0;
} /*MAIN*/

int init()
{
	int i;
	for (i=0;i<max;i++)
	masiv[i].nomer=0;
	broi=0;
	return 0;
}

int write_rec()
{
	int i;
	char ch;
	File *f;
	f=fopen("MyInf.dat","wb");
	if (f==NULL)
	{
		printf("FAILUT NE MOJE DA SE SUZDADE!\n");
		ch=getchar();
		exit(1);
	}
	for (i=0;i<broi;i++)
	fwrite(&masiv[i],sizeof(masiv[i]),1,f);
	fclose(f);
	return 0;
}

int read_rec()
{
	int i;
	char ch;
	FILE *f;
	f=fopen("MyInf.dat","rb");
	if (f==NULL)
	{
		printf("FAILUT NE MOJE DA SE PROCHETE!\n");
		ch=getchar();
		exit(1);
	}
	broi=0;
	while(!feof(f))
	{
		fread(&masiv[broi],sizeof(masiv[broi]),1,f);
		broi++;
	}
	broi--;
	fclose(f);
	return 0;
}

int enter()
{
	char ch;
	ch=getchar();
	my_record z;
	ch='y';
	while (broi<max&&ch!='n')
	{
		printf("VUVEJDANE NA NOV ZAPIS\n");
		printf("No %d\n"broi+1);
		printf("\nNOMER ");
		scanf("%4d",&z.nomer);
		ch=getchar();
		printf("\nFAMILIYA");
		gets(z.familia);
		printf("\nDLUJNOST");
		gets(z.state);
		printf("\nSRAJ");
		scanf("%f",&z.zaplata);
		masiv[broi]=z;
		ch=getchar();
		printf("\n\nOSHTE ZAPISI? <y/n>");
		scanf("%c",&ch);
		broi++;
	}
	return 0;
}

int disp_all()
{
	int i;
	getchar();
	for(i=0;i<broi;i++)
	display(i);
	return 0;
}

int find()
{
	int i;
	char s[20];
	cout<<"VUVEDETE FAMILIYA:";
	cin>>s;
	for(i=0;i<broi;i++)
	{
		if (!strcmp{s,masiv[i].familia))
		break;
	}
	if (i==broi)
	{
		printf("\nNYAMA TAKAVA FAMILIYA!");
		getchar();
		return(-1);
	}
	return i;
}

int display(int rec)
{
	printf("IZVEJDANE NA ZAPIS\n");
	printf("No %d\n",rec+1);
	
	printf("\nNOMER %4d",masiv[rec].nomer);
	printf("\nFAMILIYA %15s",masiv[rec].familia);
	printf("\nDLUJNOST %15s",masiv[rev].state);
	printf("\nSTAJ %4d",masiv[rec].opit);
	printf("\nZAPLATA %8.2f\n",masiv[rec].zaplata);
	getchar();
	return 0;
}

	int update()
{
	int i;
	char ch;
	my_record z;
	//clrscr();
	cout<<"PROMYANA NA DANNITE\n";
	cout<<"VUVEDETE ZAPIS No";
	cin>>i;
	if (i>=0&&i<broi)
	{
		printf("\nNOMER ");
		scanf("%4d",&z.nomer);
		ch=getchar();
		printf("\nFAMILIYA ");
		gets(z.familia);
		printf("\nDLUJNOST ");
		gets(z.state);
		printf("\nSTAJ");
		scanf("%2d",&z.opit);
		printf("\nZAPLATA");
		scanf("%f",&z.zaplata);
		masiv[i]=z;
	}
	else
	{
		cout<<"NEPRAVILEN NOMER NA ZAPIS!";
		ch=getchar();
	}
	return 0;
}

int del(int rec)
{
	masiv[rec]=masiv[broi-1];
	broi--;
	return 0;
}

int sort()
{
	my_record p;
	int i,flag;
	if(broi>1)
	do
	{
		flag=1;
		for (i=0;i<broi-1;i++)
		if (masiv[i].nomer>masiv[i+1].nomer)
		{
			flag=0;
			p=masiv[i];
			masiv[i]=masiv[i+1];
			masiv[i+1]=p;
		}
	}
	while (flag==0);
	return 0;
}