#include<iostream.h>
#include<conio.h>
#include<iomanip.h>
#include<fstream.h>
#include<graphics.h>
#include<dos.h>
#include<string.h>
#include<stdio.h>
#include <time.h>

fstream inoutfile;


//Menu Global Item#define pixTOrc(x) (8*(x-1))  //convert pixel into row and col format#define INC 5  //Increment Distance Between Menu Items#define ROW 15 //Row Value for Menu Item#define COL 8 //Column Value for Menu Item// To display the Inventory Main menu options
typedef char option[15];
option mainMenu[]= {
  "New Record",
  "Display",
 "Search",
 "Updation",
 "Deletion",
 "Analysis",
 "Exit"
};


/*-------------------Inventory Class--------------------*/class Inventory{
    char itemNo[2],itemName[20];
    int qty;
    double price,amt;

    public:

    char *getno(){return itemNo;}
    char *getitem(){ return itemName;}
    double getamt(){return amt;}
    void getdata();
    void showdata(int,int);
    void showspecific();
    void alterspecific(char *,char *);
};

void Inventory :: getdata(){
    gotoxy(30,12);
    cout<<"Enter Item Number : ?\b";
    cin>>itemNo;
    gotoxy(30,14);
    cout<<"Enter Item Name : ?\b";
    cin>>itemName;
    gotoxy(30,16);
    cout<<"Enter Quantity : ?\b";
    cin>>qty;
    gotoxy(30,18);
    cout<<"Enter Price : ?\b";
    cin>>price;
    amt = price * qty;
}

void Inventory :: showdata(int x,int y){
    gotoxy(x,y);
    cout.setf(ios::left,ios::adjustfield);
    cout<<setw(3)<<itemNo;
    cout.setf(ios::left,ios::adjustfield);
    cout<<setw(13)<<itemName;
    cout<<setw(4)<<qty;
    cout.setf(ios::right,ios::adjustfield);
    cout.setf(ios::showpoint);
    cout.setf(ios::fixed,ios::floatfield);
    cout<<setprecision(2)<<setw(8)<<price;
    cout.setf(ios::right,ios::adjustfield);
    cout.setf(ios::showpoint);
    cout.setf(ios::fixed,ios::floatfield);
    cout<<setprecision(2)<<setw(15)<<amt;
}

void Inventory :: showspecific(){
    gotoxy(30,13);
    cout<<"--Search Item Found--";
    gotoxy(30,15);
    cout<<"Item No : ";
    cout.setf(ios::left,ios::adjustfield);
    cout<<itemNo;
    gotoxy(30,17);
    cout<<"Item Name : ";
    cout.setf(ios::left,ios::adjustfield);
    cout<<itemName;
    gotoxy(30,19);
    cout<<"Quantity : ";
    cout<<qty;
    cout.setf(ios::right,ios::adjustfield);
    cout.setf(ios::showpoint);
    cout.setf(ios::fixed,ios::floatfield);
    gotoxy(30,21);
    cout<<"Price : ";
    cout<<setprecision(2)<<price;
    gotoxy(30,23);
    cout<<"Amount : ";
    cout.setf(ios::right,ios::adjustfield);
    cout.setf(ios::showpoint);
    cout.setf(ios::fixed,ios::floatfield);
    cout<<setprecision(2)<<amt;
}

void Inventory :: alterspecific(char itmno[2],char itmname[20]){
    strcpy(itemNo,itmno);
    strcpy(itemName,itmname);
    gotoxy(30,16);
    cout<<"Enter Quantity : ?\b";
    cin>>qty;
    gotoxy(30,18);
    cout<<"Enter Price : ?\b";
    cin>>price;
    amt = price * qty;
}

/*---------------Inventory Codes End------------------*//*--------------Menu and all other functions Code--------------*///Displays Graphic text in delaying fashionvoid displayMe(int x,int y,constchar *ch,int delayTime){
   char d[2];
   int len=strlen(ch);
   for(int i=0;i<=len;i++)
    {
     d[0]=ch[i];
     d[1]='\0';
     outtextxy(x+pixTOrc((i+1)*2),y,d);
     delay(delayTime);
    }
}

//Function which shows loading...progress barvoid loading(){
     //progressbar logicint i=1,j,cnt,clrflag=0;
       setcolor(BLACK);
       j=160;
       cnt=5;
       for(i=j;i<420;i++){
          gotoxy(35,25);
          cout<<cnt;
          rectangle(j,375,i,405);
          outtextxy(240,340,"LOADING ");
          if(i==(j+10)){
         j=j+13;
         i=j;
         if(clrflag==1){
           clrflag=0;
           setcolor(BLACK);
         }
         else{
           clrflag=1;
           setcolor(DARKGRAY);
         }
         cnt=cnt+5;
          }
       }
   delay(500);
}

// Function to displays all the menu prompt messages from the pointer array of option a[]void normalvideo(int x,int y,char *str)
{
    x=pixTOrc(x);
    y=pixTOrc(y);
    outtextxy(x,y,str);
}

// Function to move the cursor on the menu prompt with a reverse video colorvoid reversevideo(int x,int y,char *str)
{
    x=pixTOrc(x);
    y=pixTOrc(y);
    setcolor(YELLOW);  //Selected Item
    sound(400);
    delay(100);
    nosound();
    outtextxy(x,y,str);
    setcolor(WHITE); //Unselected Item
    sound(500);
    delay(100);
    nosound();
}

//Keep Track of which arrow key is displayedchar menu()
{
    settextstyle(TRIPLEX_FONT,HORIZ_DIR,3);
    setcolor(WHITE);  //Initial Menu Item Colorint i,done;
    time_t t;
    for(i = 1; i < 7; i++)
      normalvideo(COL, (i*INC)+ROW, mainMenu[i]);

    reversevideo(COL,ROW, mainMenu[0]);
    i = done = 0;
    do
    {
            /**status Bar **///Message will be displayed as status bar guide-line
            setfillstyle(SOLID_FILL,BLUE);
            settextstyle(SMALL_FONT,HORIZ_DIR,5);
            bar(pixTOrc(2),pixTOrc(52.5),pixTOrc(75),pixTOrc(55));
            setcolor(LIGHTCYAN);
            switch(i){
                case 0 : outtextxy(pixTOrc(5),pixTOrc(52.75),"Add New Item to Inventory");
                     break;
                case 1 : outtextxy(pixTOrc(5),pixTOrc(52.75),"Display All Items available in Inventory");
                     break;
                case 2 : outtextxy(pixTOrc(5),pixTOrc(52.75),"Search for a specific Item in Inventory");
                     break;
                case 3 : outtextxy(pixTOrc(5),pixTOrc(52.75),"Modify the quantiy and price information of Item available in Inventory");
                     break;
                case 4 : outtextxy(pixTOrc(5),pixTOrc(52.75),"Deletion of item from Inventory ");
                     break;
                case 5 : outtextxy(pixTOrc(5),pixTOrc(52.75),"Managerial Analysis To tak Decisions...");
                     break;
                case 6 : outtextxy(pixTOrc(5),pixTOrc(52.75),"Close the Program --> BYE C U @ http://dotnetguts.blogspot.com ");
                     break;
            }
            /**status Bar ends**//*****Time display****///Displaying Time logicwhile(!kbhit()){
                  time(&t);
                  bar(pixTOrc(2),pixTOrc(55.5),pixTOrc(75),pixTOrc(58));
                  outtextxy(pixTOrc(5),pixTOrc(56),ctime(&t));
                  outtextxy(pixTOrc(37),pixTOrc(56),"Download More @ : http://dotnetguts.blogspot.com ");
                  delay(200);
             }
             /*****Time display Ends****///Restore Orignal Color and Font Setting
             setcolor(WHITE);
            settextstyle(TRIPLEX_FONT,HORIZ_DIR,3);

        int key = getch();
        switch (key)
        {

            case 00:
                key = getch();
                switch (key)
                {
                    case 72:
                        normalvideo(COL, (i*INC)+ROW, mainMenu[i]);
                        i--;
                        if (i == -1)
                            i = 6;
                        reversevideo(COL,(i*INC)+ROW,mainMenu[i]);
                        break;
                    case 80:
                        normalvideo(COL, (i*INC)+ROW, mainMenu[i]);
                        i++;
                        if (i == 7)
                            i = 0;
                        reversevideo(COL, (i*INC)+ROW, mainMenu[i]);
                        break;
                }
                break;
            case 13:
                done = 1;
        }
    }
    while (!done);
    return(i+49);
}

//Advertise Screen will displayed to utilize empty screen area//It can be utilize for some effective...workvoid advertise(){
    setcolor(BLUE);
    outtextxy(pixTOrc(30),pixTOrc(20),"URL : http://dotnetguts.blogspot.com ");
    outtextxy(pixTOrc(30),pixTOrc(26),"find@myblog.com");
    setcolor(YELLOW);
}


/* The function is used to display the main menu*/void control_menu()
{
     char choice;
    do
    {
        choice = menu();
        switch (choice)
        {
           case'1':    //Add New Item
                Inventory additem;
                inoutfile.open("c:\\stock.dat",ios::ate | ios::out | ios::binary);
                inoutfile.seekg(0,ios::end);
                setfillstyle(SOLID_FILL,BLACK);
                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                setcolor(YELLOW);
                outtextxy(pixTOrc(40),pixTOrc(15),"Add New Item");
                additem.getdata();
                char ch;
                cin.get(ch);
                inoutfile.write((char *) &additem, sizeof(additem));
                gotoxy(30,22);
                cout<<"-> Item Added in Inventory <-";
                flush(inoutfile);
                inoutfile.close();
                getch();
                setfillstyle(SOLID_FILL,LIGHTGRAY);
                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                advertise();
                break;

           case'2':    //Display All Item in inventory
                Inventory showitem;
                staticint count=0;
                count++;
                inoutfile.open("c:\\stock.dat",ios::ate| ios::in | ios::binary);
                setfillstyle(SOLID_FILL,BLACK);
                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                setcolor(YELLOW);
                outtextxy(pixTOrc(40),pixTOrc(15),"Inventory Stock");
                inoutfile.seekg(0,ios::beg); //goto start of file
                gotoxy(28,11);
                cout<<" No "<<" Item Name "<<"   qty "<<"   price "<<"       amount";
                gotoxy(28,12);
                cout<<"----------------------------------------------";
                int x=30,y=13;
                while(inoutfile){
                    inoutfile.read((char *) &showitem, sizeof(showitem));
                    if(!inoutfile.eof())
                        showitem.showdata(x,y++);
                }
                inoutfile.close();
                getch();
                setfillstyle(SOLID_FILL,LIGHTGRAY);
                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                advertise();
                break;

           case'3':    //Search for specific Item in inventory
                Inventory srchitem;
                inoutfile.open("c:\\stock.dat",ios::ate |ios::in| ios::out | ios::binary);
                setfillstyle(SOLID_FILL,BLACK);
                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                setcolor(YELLOW);
                outtextxy(pixTOrc(40),pixTOrc(15),"Search Item");
                gotoxy(30,11);
                cout<<"Enter Item Name : ";
                char name[20];
                cin>>name;
                inoutfile.seekg(0,ios::beg);
                int found=0;
                while(inoutfile){
                    inoutfile.read((char *) &srchitem, sizeof(srchitem));
                    if(strcmp(srchitem.getitem(),name)==0){
                        found=1;
                        srchitem.showspecific();
                    }
                }
                if(found==0){
                    gotoxy(30,15);
                    cout<<"SEARCH ITEM NOT FOUND";
                }
                inoutfile.close();
                inoutfile.close();
                getch();
                setfillstyle(SOLID_FILL,LIGHTGRAY);
                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                advertise();
                break;

           case'4':    //Modify the status of item in inventory
                Inventory alteritem;
                inoutfile.open("c:\\stock.dat",ios::ate |ios::in| ios::out | ios::binary);
                setfillstyle(SOLID_FILL,BLACK);
                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                setcolor(YELLOW);
                outtextxy(pixTOrc(40),pixTOrc(15),"Modify Item Details");
                gotoxy(30,13);
                cout<<"Enter Item Name : ";
                cin>>name;
                inoutfile.seekg(0,ios::beg);
                found=0;
                int rec=0;
                while(inoutfile){
                    rec++;
                    inoutfile.read((char *) &alteritem, sizeof(alteritem));
                    if(strcmp(alteritem.getitem(),name)==0){
                        found=1;
                        int location = (rec-1) * (sizeof(alteritem));
                        inoutfile.seekp(location);
                        alteritem.alterspecific(alteritem.getno(),alteritem.getitem());
                        cin.get(ch);
                        inoutfile.write((char *) &alteritem, sizeof(alteritem));
                        break;
                    }
                }
                if(found==0){
                    gotoxy(30,15);
                    cout<<"ITEM NOT FOUND -- NO Modification Possible";
                }
                else{
                    gotoxy(30,24);
                    cout<<"ITEM Updated Successfully";
                }
                inoutfile.close();
                inoutfile.close();
                getch();
                setfillstyle(SOLID_FILL,LIGHTGRAY);                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                advertise();
                break;

           case'5':    //Delete Item in inventory
                Inventory delitem;
                inoutfile.open("c:\\stock.dat",ios::ate |ios::in| ios::out | ios::binary);
                setfillstyle(SOLID_FILL,BLACK);
                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                setcolor(YELLOW);
                outtextxy(pixTOrc(40),pixTOrc(15),"Delete  Item");
                gotoxy(30,11);
                cout<<"Enter Item Name : ";
                cin>>name;
                inoutfile.seekg(0,ios::beg);
                fstream tempFile("c:\\stock1.dat",ios::ate |ios::out| ios::out | ios::binary);
                found=0;
                while(inoutfile){
                    inoutfile.read((char *) &delitem, sizeof(delitem));
                    if(strcmp(delitem.getitem(),name)!=0 && !inoutfile.eof()){
                        cin.get(ch);
                        tempFile.write((char *) &delitem, sizeof(delitem));
                    }
                    else{
                        gotoxy(30,18);
                        cout<<"Wait Please...Deletion may take few seconds";
                        found=1;
                    }
                }
                if(found==0){
                    gotoxy(30,15);
                    cout<<"ITEM NOT FOUND -- No Deletion Possible";
                }
                else{
                    gotoxy(30,15);
                    cout<<"ITEM FOUND -- Deleted Successfully";
                }
                tempFile.flush();
                inoutfile.flush();
                tempFile.close();
                inoutfile.close();
                remove("c:\\stock.dat");
                rename("c:\\stock1.dat","c:\\stock.dat");
                getch();
                setfillstyle(SOLID_FILL,LIGHTGRAY);
                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                advertise();
                break;


           case'6':    //Analysis of Inventory Items
                Inventory anitem;
                inoutfile.open("c:\\stock.dat",ios::ate |ios::in| ios::binary);
                setfillstyle(SOLID_FILL,BLACK);
                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                setcolor(YELLOW);
                outtextxy(pixTOrc(40),pixTOrc(15),"Managerial Analysis");
                gotoxy(30,16);
                int last=inoutfile.tellg();
                int n = last/sizeof(anitem);
                cout<<"Total Items in Inventory : "<<n;
                inoutfile.seekg(0,ios::beg); //goto start of filedouble total=0.0;
                while(inoutfile){
                    inoutfile.read((char *) &anitem, sizeof(anitem));
                    if(!inoutfile.eof())
                        total=total + anitem.getamt();
                }
                inoutfile.close();
                gotoxy(30,18);
                cout<<"Total Investements : "<<total;
                getch();
                setfillstyle(SOLID_FILL,LIGHTGRAY);
                bar(pixTOrc(28),pixTOrc(14),pixTOrc(75),pixTOrc(50));
                advertise();
                break;

           case'7' :   //Exitgotoout;
       }
      } while (choice != 7);
        out:
}


//At Exit the end function will call...void end(){
    int i,j;
    setfillstyle(LINE_FILL,DARKGRAY);
    for(i=5,j=80;i<40||j>40;i++,j--){
        bar(pixTOrc(2),pixTOrc(10),pixTOrc(i),pixTOrc(55));
        delay(10);
        bar(pixTOrc(j),pixTOrc(10),pixTOrc(80),pixTOrc(55));
        sound(400+(i*50));
        delay(10);
        nosound();
    }
    settextstyle(SMALL_FONT,HORIZ_DIR,7);
    displayMe(pixTOrc(5),pixTOrc(18),"Programmed by : VIVEK PATEL",50);
    displayMe(pixTOrc(5.25),pixTOrc(18),"Programmed by : VIVEK PATEL",0);
    setcolor(LIGHTGREEN);
    displayMe(pixTOrc(5),pixTOrc(23),"Website : http://dotnetguts.blogspot.com ",50);
    displayMe(pixTOrc(5.25),pixTOrc(23),"Website : http://dotnetguts.blogspot.com ",0);
    setcolor(LIGHTCYAN);
    displayMe(pixTOrc(5),pixTOrc(28),"Email : find@myblog.com",10);
    displayMe(pixTOrc(5.25),pixTOrc(28),"Email : find@myblog.com",0);
    setcolor(LIGHTMAGENTA);
    outtextxy(pixTOrc(5),pixTOrc(45),"Your Suggestion and comments are always welcome");
    delay(2000);
}

//Function Displaying Password Screen...int get_password()
{
    setfillstyle(SOLID_FILL,LIGHTGRAY);
    bar(0,0,640,480);
    settextstyle(TRIPLEX_FONT,HORIZ_DIR,4);
    setcolor(BLUE);
    outtextxy(pixTOrc(8),pixTOrc(2),"Inventory Management System");
    setfillstyle(LINE_FILL,BROWN);
    bar(pixTOrc(8),pixTOrc(7),pixTOrc(70),pixTOrc(7.5));

    int i,j;
    setfillstyle(LINE_FILL,DARKGRAY);
    for(i=15,j=65;i<25||j>25;i++,j--){
        bar(pixTOrc(15),pixTOrc(15),pixTOrc(i),pixTOrc(40));
        delay(10);
        bar(pixTOrc(j),pixTOrc(15),pixTOrc(65),pixTOrc(40));
        sound(10+(i*250));
        delay(10);
        nosound();
    }
    int c=pixTOrc(40),a=-1;
    //You can also make use of storing file containing//password...and than encrypt and decrypt for more//secured use...char pass[20],correctpassword[20]="vivek";
    setcolor(YELLOW);
    settextstyle(TRIPLEX_FONT,HORIZ_DIR,3);
    outtextxy(pixTOrc(16),pixTOrc(17),"Enter password : ");
    setcolor(LIGHTCYAN);
    outtextxy(pixTOrc(16),pixTOrc(30),"Enjoy the Free version");
    outtextxy(pixTOrc(16),pixTOrc(33),"Password is  vivek");
    setcolor(WHITE);
    while (pass[a]!='\r')
    {
        pass[++a]=getche();
        if  (pass[a]=='\r' || a>=6){
            pass[a]='\0';
            pass[++a]='\r';
            break;
        }
        c+=15;
        outtextxy(c,pixTOrc(17.5), "*");
     }

        if (strcmp(pass,correctpassword)==0){
            outtextxy(pixTOrc(20),pixTOrc(24),"Password Accepted");
            loading();
            return(0);
        }
        else{
            outtextxy(pixTOrc(20),pixTOrc(24),"Wrong Password!!!");
            setcolor(WHITE);
            getche();
            return (1);
        }
}


void main()
{
    int i,j;

    //********************************************************//Registing Drivers to include graphics supporting file...//in to your .exe file so only .exe file is distributed.//For that part of code just email, me as it require, little//bit prilimnary understanding.//********************************************************int gd=DETECT,gm=0;
    initgraph(&gd,&gm,"");


    int incorrect_pass=get_password();

    if(incorrect_pass){
        end();
        goto quit;
    }
/*--------Title of Inventory Management system--------*/
    setfillstyle(SOLID_FILL,LIGHTGRAY);
    bar(0,0,640,480);

    setcolor(DARKGRAY);
    rectangle(0,0,639,480);
    rectangle(1,1,638,479);
    setcolor(BLACK);
    rectangle(2,1,637,478);
    rectangle(3,1,636,477);

    settextstyle(TRIPLEX_FONT,HORIZ_DIR,4);
    setcolor(BLUE);
    outtextxy(pixTOrc(8),pixTOrc(2),"Inventory Management System");

    setfillstyle(LINE_FILL,DARKGRAY);
    for(i=15,j=70;i<40||j>40;i++,j--){
        bar(pixTOrc(8),pixTOrc(7),pixTOrc(i),pixTOrc(7.5));
        delay(10);
        bar(pixTOrc(j),pixTOrc(7),pixTOrc(70),pixTOrc(7.5));
        delay(20);
    }

    bar(pixTOrc(7),pixTOrc(14),pixTOrc(25),pixTOrc(50));

/*--------Title code ends of Inventory Management system--------*///Calling Menu
    control_menu();

    //on exit...
    end();
quit:
    closegraph();
}