Store Management.cpp

#include <stdio.h>
#include <string.h>
#include <conio.h>
struct product{
	char name[50];
	int q,p,sq,sp,tq;
};
struct product p[50];
char AUserName[]="admin";
char APass[]="123";
char UserName[]="";
char Pass[]="";
int tp=10,PName;
void Items()
{
	printf("We have the following items available to select from:\n");
	printf("\n\tProduct\t\tQuantity");
			for(int i=0;i<tp;i++){
		printf("\n%d\t%s\t\t%d",i+1,p[i].name,p[i].tq);
		}
		printf("\n");
}
void OrderInstructions()
{
	printf("Step 1: Tell us how many products you want to order\n");
	printf("Step 2: Tell us no of each of the products you want to order\n");
	printf("For example:\n1 for Bread\n2 for Chips\netc..\n");
	printf("Step 3: Enter how many of each product you want (quantity)\n");
	printf("And you're done! Happy Shopping!");
}
void OrderTaker(int PNum)
{
	for(int i=0;i<50;i++){
	p[i].q=0;
	}
	int i=0, PQuantity=0;
	for(i=0; i<PNum; i++)
	{
		printf("Product %d: ", i+1);
		scanf("%d", &PName);
		printf("Enter the quantity of selected product: ");
		there:
			scanf("%d", &PQuantity);
		for(int j=0;j<tp;j++){
		if(PName==j+1)
		{
			if(PQuantity>p[j].tq)
			{
				printf("Please enter available amount of quantity only\n");
				printf("Enter the quantity of %d: ", PName);
				goto there;
			}
			p[j].q = PQuantity;
			p[j].tq=p[j].tq-p[j].q;
			p[j].sq=p[j].sq+p[j].q;
		}}
		if(PName>tp)
		{
			printf("Please enter a product no from the available list");
			i--;
			printf("\n%d out of %d products entered\n", i+1, PNum);
		}
	}
}
void BillMaker()
{
	int total=0, collected;
	printf("\nYour Cart:\n");
	printf("Item\t\tQuantity\tTotal\n");
	for(int i=0;i<tp;i++){
	if(p[i].q>0)
	{
		printf("%s\t\t%d\t\t%d\n", p[i].name, p[i].q, p[i].q*p[i].p);
		total = total + (p[i].q*p[i].p);
	}}
	if(total>=100&&total<200){
		printf("\nTotal Amount:%d", total);
		printf("\nDiscount 5%%");
		total=total*0.95;
	}
	else if(total>=200&&total<300){
		printf("\nTotal Amount:%d", total);
		printf("\nDiscount 10%%");
		total=total*0.9;
	}
	else if(total>=300&&total<400){
		printf("\nTotal Amount:%d", total);
		printf("\nDiscount 15%%");
		total=total*0.85;
	}
	else if(total>=400&&total<500){
		printf("\nTotal Amount:%d", total);
		printf("\nDiscount 20%%");
		total=total*0.8;
	}
	else if(total>=500){
		printf("\nTotal Amount:%d", total);
		printf("\nDiscount 25%%");
		total=total*0.75;
	}
	printf("\nTotal Amount after discount: %d", total);
	printf("\nAmount given by the customer: ");
	scanf("%d", &collected);
	printf("\nChange due: %d", collected-total);
	printf("\n----------------------------------------------\nThanks for shopping with us! Hope to see you again!");
}
int main()
{	strcpy(p[0].name,"Bread");
	p[0].q=0;p[0].p=10;p[0].sq=0;p[0].sp=0;p[0].tq=10;
	strcpy(p[1].name,"Chips");
	p[1].q=0;p[1].p=15;p[1].sq=0;p[1].sp=0;p[1].tq=10;
	strcpy(p[2].name,"Biscuit");
	p[2].q=0;p[2].p=5;p[2].sq=0;p[2].sp=0;p[2].tq=10;
	strcpy(p[3].name,"Juice");
	p[3].q=0;p[3].p=30;p[3].sq=0;p[3].sp=0;p[3].tq=10;
	strcpy(p[4].name,"Drinks");
	p[4].q=0;p[4].p=50;p[4].sq=0;p[4].sp=0;p[4].tq=10;
	strcpy(p[5].name,"Rice");
	p[5].q=0;p[5].p=200;p[5].sq=0;p[5].sp=0;p[5].tq=10;
	strcpy(p[6].name,"Grain");
	p[6].q=0;p[6].p=100;p[6].sq=0;p[6].sp=0;p[6].tq=10;
	strcpy(p[7].name,"Noodles");
	p[7].q=0;p[7].p=20;p[7].sq=0;p[7].sp=0;p[7].tq=10;
	strcpy(p[8].name,"Nuggets");
	p[8].q=0;p[8].p=125;p[8].sq=0;p[8].sp=0;p[8].tq=10;
	strcpy(p[9].name,"Bubble");
	p[9].q=0;p[9].p=2;p[9].sq=0;p[9].sp=0;p[9].tq=10;
	for(int i=10;i<50;i++){
		strcpy(p[i].name," ");
		p[i].q=0;p[i].p=0;p[i].sq=0;p[i].sp=0;p[i].tq=10;
	}
	int PNum = 0, total=0,program;
	char OIns;
	printf("\n\nMain Menu\nFor admin             Enter 1\nFor user              Enter 2\nFor exiting software  Enter 3\n: ");
	scanf("%d",&program);
	for(;program!=3;){
	if(program==2){
	p[0].q=0;p[1].q=0;p[2].q=0;p[3].q=0;p[4].q=0;p[5].q=0;p[6].q=0;p[7].q=0;p[8].q=0;p[9].q=0;
	Items();
	printf("Do you want to know how to order? (y/n): ");
	scanf(" %c", &OIns);
	if(OIns == 'y')
	{
		OrderInstructions();
	}
	products:
	printf("\n----------------------------------\nEnter how many type of products you want to buy: ");
	scanf("%d", &PNum);
	if(PNum<1 || PNum>10)
	{
		printf("\nPlease enter a number between 1 to 10");
		goto products;
	}
	else
	{
		OrderTaker(PNum);
		BillMaker();
	}}
	if(program==1){
		check1:
			printf("Enter username: ");
			scanf("%s", &UserName);
		if(strcmp(AUserName,UserName) != 0)
		{
			printf("Wrong username entered. Please enter again.\n");
			goto check1;
		}
		check2:
			printf("Enter password: ");
			scanf("%s", &Pass);
		if(strcmp(APass,Pass) != 0)
		{
			printf("Wrong password entered. Please enter again.\n");
			goto check2;
		}
		int adm=1,addquan,prodno,netprice;
		for(;adm!=0;){
	printf("\nIf you want to go to the Main Menu            enter 0 ");
	printf("\nIf you want to see quantity of your products  enter 1 ");
	printf("\nIf you want to add quantity to your products  enter 2 ");
	printf("\nIf you want to see price of your products     enter 3 ");
	printf("\nIf you want to change price of your products  enter 4 ");
	printf("\nIf you want to see sales report               enter 5 ");
	printf("\nIf you want to add a product                  enter 6 ");
	printf("\nIf you want to change username                enter 7 ");
	printf("\nIf you want to change password                enter 8\n: ");
	scanf("%d",&adm);
	if(adm==1){
		for(int i=0;i<tp;i++){
		printf("\n%d\t%s\t\t%d",i+1,p[i].name,p[i].tq);
		}
		printf("\n");
	}
	if(adm==2){
		printf("Enter the quantity you want to add: ");
		scanf("%d",&addquan);
		printf("Enter the no of product you want to add quantity to: ");
		for(int i=0;i<tp;i++){
		printf("\n%d\t%s\t\t%d",i+1,p[i].name,p[i].tq);
		}
		printf("\n");
		scanf("%d",&prodno);
		for(int i=0;i<tp;i++){
		if(prodno==(i+1)){
			p[i].tq=p[i].tq+addquan;
	}}
	printf("\n");}
	if(adm==3){
		for(int i=0;i<tp;i++){
		printf("\n%d\t%s\t\t%d",i+1,p[i].name,p[i].p);
		}
		printf("\n");
	}
	if(adm==4){
		printf("\nEnter the no of product you want to change price of: ");
		for(int i=0;i<tp;i++){
		printf("\n%d\t%s\t\t%d",i+1,p[i].name,p[i].p);
		}
		printf("\n:");
		scanf("%d",&prodno);
		for(int i=0;i<50;i++){
		if(prodno==i+1){
			printf("\nEnter the new price of %s: ",p[i].name);
			scanf("%d",&p[i].p);
		}}
	}
	if(adm==5){
		for(int i=0;i<tp;i++){
		p[i].sp=p[i].sq*p[i].p;
		}
		for(int i=0;i<tp;i++){
		netprice=netprice+p[i].sp;
	}
		printf("\nTotal Sales of products:");
		printf("\nProduct\t\tQuantity\tPrice\n");
		for(int i=0;i<tp;i++){
		printf("\n%s\t\t%d\t\t%d",p[i].name,p[i].sq,p[i].sp);
		}
		printf("\n------------------------------------\nTotal\t\t\t\t%d\n",netprice-1);
	}
	if(adm==6){
		printf("\nEnter the name of the product: ");
		scanf("%s",&p[tp].name);
		printf("Enter price of your product:");
		scanf("%d",&p[tp].p);
		printf("Enter quantity of your product:");
		scanf("%d",&p[tp].tq);
		tp++;
	}
	if(adm==7)
	{
		printf("What username you want to change to? Kindly enter: \n");
		scanf("%s",&AUserName);
		printf("Username successfully changed!\n");
	}
	if(adm==8)
	{
		printf("Kindly enter your new password: \n");
		scanf("%s",&APass);
		printf("Password changed successfully!\n");
	}
	}}
	for(int i=0;i<50;i++){
		if(p[i].tq<5){
			printf("\n\nStock Alert!\n");
			break;
		}
	}
	for(int i=0;i<50;i++){
		if(p[i].tq<5)
		{
		printf("\nQuantity of %s is less than 5",p[i].name);
		}
	}
	printf("\n\nMain Menu\nFor admin             Enter 1\nFor user              Enter 2\nFor exiting software  Enter 3\n: ");
	scanf("%d",&program);
	for(;program<=1&&program>=3;)
	scanf("%d",&program);
}}