code

#include<stdio.h>
#include<windows.h>
#include<pthread.h>
#include<conio.h>
#include<string.h>
#include<graphics.h>
#include<time.h>
#define space "\t \t \t"
static int up_price=0;
static int ind_pos=0;
typedef struct cmp_data
{
    char name[100];
    char start_price[100];
    char volume[100];
    char market[100];
} cmp_data;
typedef struct account_details
{
    char name[100];
    int investement;
    int available_cash;
    int stock_value;
    int total_transaction;
} account_details;
typedef struct user_details
{
    char username[100];
    void *portfolio;
    void *watch_list;
    account_details *account;
    void *trans_his;
} user_details;
typedef struct record
{
    char cmp_name[100];
    int no_of_share;//buyed
    char volume[100];//no of shares total present.
    int buy_price;
    int pos;
    int selling_price;
    int percentage;//profit or loss gain
    char market_capital[100];
    char buy_time[40];
    char sell_time[40];
    int cash;//recived or given for shares;
    struct record*next;//next pointer to create new record;
} record;
int array[20]= {0};
void status();
int check_quantity_available(char *requested,char *available);
void updating_funds(user_details*file,int cmp_num,int shares);
int check_funds(char *quantity,int number,long long int cash);
int check_quantity(char *quantity);
void buy_section(int cmp_num,user_details* file);
void  updating_point();
void  signup_page();
int* whole_data(int st_price,int page,int CURRENT,int *length);
void fun_graph(int *data,int len,int st_price);
void graph_coordinates(int *prev_data,int len,int st_price);
void view_stock(cmp_data*Data,int current,int page,user_details*file);
void graph_section(char *name,char* shares,char* st_price,int page,int CURRENT);
void *myThreadFun(void *id);
char *int_char(int src);
void login_page();
int char_to_int(char*num);
void user_choice(int choice,char *Name,user_details *file);
void userpage(char *username);
void welcome_page(char *username);
int Main_page();
void insert_into_record(cmp_data*collect,char *Data,int pos);
void arrow_fun(int exp,int act);
void printf_sec(char *data);
void printf_name(char *name);
int  calcu_eps(char* capital,char* shares);
int calcu_pe(char*price,int eps);
int calcu_Div(char* price);
COORD coord= {0,0};
void gotoxy(int x,int y)
{
    coord.X=x;
    coord.Y=y;
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),coord);
}
user_details* create_user_info(char *username)
{
    user_details *rcd=(user_details*)malloc(1*sizeof(user_details));
    strcpy(rcd->username,username);
    account_details *poin=(account_details*)malloc(1*sizeof(account_details));
    strcpy(poin->name,username);
    printf("Name:%s\n",poin->name);
    _getch();
    poin->investement=500000;
    poin->available_cash=500000;
    poin->stock_value=0;
    poin->total_transaction=0;
    rcd->account=poin;
    rcd->portfolio=NULL;
    rcd->trans_his=NULL;
    rcd->watch_list=NULL;
    return rcd;
}
user_details* checking_user_details(char *username)
{
    FILE *FP,*FP_1,*FP_2;
    if((FP=fopen("User_Details.txt","r"))==NULL)
    {
        FP_1=fopen("User_Details.txt","w");
        user_details *rcd=create_user_info(username);
        fwrite(rcd,sizeof( *rcd),1,FP_1);
        return rcd;
    }
    /* user_details demo;
     while(fread(&demo,sizeof(user_details),1,FP))
     {
         if(strcmp(demo.username,username)==0)
             return demo;
     }*/
    FP_1=fopen("User_Details.txt","a");
    user_details *rcd;
    rcd=create_user_info(username);
    fwrite(rcd,sizeof(*rcd),1,FP_1);
    return rcd;
}
void *myThreadFun(void *id)
{
    FILE * fp_3=fopen("Prices_list.txt","a+");
    char *str;
    time_t t;
    int random_1,idx,count=20;
    random_1  =idx=0;
    while(count--)
    {
        srand((unsigned) time(&t));
        random_1=rand()%10;
        Sleep(1000);
        if(random_1 == count)
        {
            if(random_1%2==0)
                str=int_char(random_1*2);
            else
                str=int_char(random_1*2*-1);
        }
        else
        {
            if(random_1%2!=0)
                str=int_char(random_1);
            else
                str=int_char(random_1*-1);
        }
        while(str[idx]!='\0')
        {
            fputc(str[idx],fp_3);
            idx++;
        }
        if(idx==0)
        {
            fputc('0',fp_3);
        }
        fputc('#',fp_3);
        idx=0;
    }
    fputc('$',fp_3);
    up_price++;
    printf("\n\n");
    printf(space space space"Press any key");
    fclose(fp_3);
}
int main()
{
    printf("\n\n\n\n\n");
    printf(space "\tWELCOME\n");
    printf(space  "\t  TO    \n");
    printf(space  "\t HELIX  \n");
    printf(space"\tPress any Key\n");
    _getch();
    Main_page();
    return 0;
}
void login_page()
{
    FILE *fp;
    updating_point();
    char x,*tempstr;
    char accountsDB[100],username[100],password[100],users[100];
    system("cls");
    printf("\n\n\n\n");
    printf(space space "<<<<<<<<<<<<<<Login>>>>>>>>>>>> \n\n");
    printf("\n\n\n"space space"   %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c", 218, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 191);
    printf("\n"space "\t\tUsername : %c                       %c\n",179,179);
    printf(""space space"   %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c", 192, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 217);
    gotoxy(52,10);
    scanf("%s",username);
    printf("\n");
    int idx=0;
    while(username[idx] != '\0')
    {
        users[idx] = username[idx];
        idx++;
    }
    users[idx] = '\0';
    idx=0;
    printf("\n\n\n"space space"   %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c", 218, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 191);
    printf("\n"space "\t\tPassword : %c                       %c\n",179,179);
    printf(""space space"   %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c", 192, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 217);
    gotoxy(52,16);
    while ((x = _getch()) != '\r')
    {
        printf("*");
        password[idx++] = x;
    }
    password[idx] = '\0';
    idx = 0;
    strcat(username, password);
    fp = fopen("PROJECT_DATA_FILE.txt","r");
    while((x = fgetc(fp)) != EOF)
    {
        accountsDB[idx++] = x;
    }
    accountsDB[idx] = '\0';
    fclose(fp);
    if(NULL == strstr(accountsDB, username))
    {
        printf("\n\n"space"*Username or password is wrong\n");
        goto end_login;
    }
    else
    {
        tempstr = strstr(accountsDB, username);
    }
    idx=0;
    while(username[idx]!='\0')
    {
        if(username[idx]!=tempstr[idx])
            break;
        idx++;
    }
    if(idx==strlen(username))
    {
        userpage(users);
        goto end_login;
    }
    else
    {
        printf("\n\n"space"*Username or password is wrong\n");
end_login:
        printf(space "\n"space"press any key\n");
        _getch();
    }
}
void userpage(char *username)
{
    welcome_page(username);
    user_details *file=checking_user_details(username);
    int select=1,loop=1;
user_sec:
    system("color 03");
    while(loop)
    {
        updating_point();
        if(select>7 ||select==0)
        {
            select =1;
        }
        system("cls");
        printf("\n\n\n\n");
        printf(space "<<<HELIX GUIDE>>>\n");
        arrow_fun(1,select);
        printf("HELP\n");
        arrow_fun(2,select);
        printf("PORTFOLIO\n");
        arrow_fun(3,select);
        printf("WATCH LIST\n");
        arrow_fun(4,select);
        printf("STOCK LIST\n");
        arrow_fun(5,select);
        printf("ACCOUNT\n");
        arrow_fun(6,select);
        printf("TRANSACTION HISTROY\n");
        arrow_fun(7,select);
        printf("EXIT\n");
        printf(space"Use the Arrow key's to move and select\n");
        switch(_getch())
        {
        case 'H':
            select--;
            break;
        case 'P':
            select++;
            break;
        case 13:
            if(select!=7)
            {
                user_choice(select,username,file);
            }
            else
            {
                loop=0;
            }
            break;
        }
    }
}
void Help_sec(char *Name)
{
    updating_point();
    printf("\n");
    system("cls");
    printf(space"<<<<<<<<<<<<<<<<Help_sec>>>>>>>>>>>>>>>>>>>>>>\n\n");
    printf("->Helix is an virtual Trading app\n");
    printf("->Which is based on Equity share's\n");
    printf("     <<<<Company Details>>>>>\n");
    printf("->Company Name=XYZ\n");
    printf("->Volume=No of shares available\n");
    printf("->Starting price=Starting price of each share\n");
    printf("->Market Capital=Total turn over capital of the company\n");
    printf("    <<<<<Fundamental Details>>>>>>\n");
    printf("->EPS=Earning per share\n");
    printf("->It is used to determine company stock Condition\n");
    printf("->Its supply and Demand in the market\n");
    printf("->if eps<=26 then its is consider at under value share\n");
    printf("->if eps >26 then it is consider at over value share\n");
    printf("->PE ratio=Price Earnings\n");
    printf("->It is used to determine company financial condition\n");
    printf("->If its below 14 it is consider as good\n");
    printf("->Dividend=Payed by the comapny\n");
    printf("->To those who hold there company share for long term \n");
    printf("->Min range =1 year to max=unlimited as long the company exists in the market\n");
    printf("->Graph section \n");
    printf("->It is used to show the company Finanial condition\n");
    printf("->Its previous performance ,also used to calculate the technical analysis\n");
    printf(space"Press any key\n");
    _getch();
}
void portfolio(char *Name,user_details *file)
{
    system("cls");
    printf("\n\n\n");
    printf(space"<<<<<<<<<<<<<<<<<<portfolio>>>>>>>>>>>>>>>>>>>\n\n");
    if(file->portfolio==NULL)
    {
        printf(space " COMPANY_NAME        ||    Shares     ||  Cur_price ||  Buy_priced    \n\n" );
        printf(space "      NULL           ||      NULL     ||    NULL    ||    NULL        \n");
    }
    else
    {
        char x;
        int loop=1,arrow=0,total=1,time=0;
        while(loop)
        {
            system("cls");
            printf(space " COMPANY_NAME        ||    Shares     ||  Cur_price ||  Buy_priced    \n\n" );
            record *cur=(record*)file->portfolio;
            while(cur!=NULL)
            {
                arrow_fun(time,arrow);
                printf_name(cur->cmp_name);
                printf_sec(int_char(cur->no_of_share));
                printf("         %d            ",array[cur->pos]);
                printf_sec(int_char(cur->buy_price));
                printf("\n");
                cur=cur->next;
                time++;
            }
            total=time+1;
            time=0;
            arrow_fun(total,arrow);
            printf("Go back\n");
            printf(space"Use the arrow keys\n");
            fflush(stdin);
            x=_getch();
            switch(x)
            {
            case 72:
                printf("dec\n");
                arrow--;
                break;
            case 80:
                printf("inc\n");
                arrow++;
                break;
            case 13:
                loop=0;
                break;
            }
            printf("arrow =%d",arrow);
            _getch();
        }
    }
    printf(space "Press any key\n");
    _getch();
}
void status()
{
    printf(space"Will be added Soon\n");
    printf(space"Press any key\n");
    _getch();
}
void watch_list(char *Name,user_details *file)
{
    system("cls");
    printf("\n\n\n\n");
    printf(space"<<<<<<<<<<<<<<<<<<Watch List>>>>>>>>>>>>>>>>>>>\n\n");
    status();
}
void inserting_the_data(cmp_data *collect,char*Data,int prev,int cur)
{
    int idx=0,position=0;
    if(cur==0 && prev!=cur)
    {
        insert_into_record(collect,Data,cur+1);
    }
    else if(cur==1 && prev!=cur)
    {
        position=cur*5;
        while(position--)
        {
            while(Data[idx]!='$')
            {
                idx++;
            }
            idx+=2;
        }
        insert_into_record(collect,Data,idx);
    }
    else if(cur==2 && prev!=cur)
    {
        position=10;
        while(position--)
        {
            while(Data[idx]!='$')
            {
                idx++;
            }
            idx+=2;
        }
        insert_into_record(collect,Data,idx);
    }
    else if(cur==3 && prev!=cur)
    {
        position=15;
        while(position--)
        {
            while(Data[idx]!='$')
            {
                idx++;
            }
            idx+=2;
        }
        insert_into_record(collect,Data,idx);
    }

}
void insert_into_record(cmp_data *collect,char *Data,int pos)
{
    int count=5,idx=0,range=0;
    char temp[100]= {0};
    while(range<count)
    {
        idx=0;
        while(Data[pos]!='#')
        {
            temp[idx++]=Data[pos];
            pos++;
        }
        temp[idx]='\0';
        pos++;
        strcpy(collect[range].name,temp);
        idx=0;
        temp[100]= {0};
        while(Data[pos]!='#')
        {
            temp[idx]=Data[pos++];
            idx++;
        }
        temp[idx]='\0';
        strcpy(collect[range].start_price,temp);
        idx=0;
        temp[100]= {0};
        pos++;
        while(Data[pos]!='$')
        {
            temp[idx]=Data[pos++];
            idx++;
        }
        temp[idx]='\0';
        pos+=2;
        strcpy(collect[range].volume,temp);
        temp[100]= {0};
        char *str=int_char((char_to_int(collect[range].start_price))*(char_to_int(collect[range].volume))*2);
        strcpy(collect[range].market,str);
        range++;
    }
}
void stock_list(char *Name,user_details *file)
{
    system("cls");
    FILE*fp=fopen("COMPANY_DATA.txt","r+");
    char x,cmp_details[1000];
    cmp_data *page_list =(cmp_data*)malloc(sizeof(cmp_data)*5);
    int idx=0,arrow=0;
    while((x = fgetc(fp)) != EOF)
    {
        cmp_details[idx++] = x;
    }
    cmp_details[idx] = '\0';
    int prev_page=4,cur_page=0,loop=1;
    while(loop)
    {
        system("cls");
        system("color f3");
        inserting_the_data(page_list,cmp_details,prev_page,cur_page);
        prev_page=cur_page;
        printf("\n\n              <<<<<<<<<<<<<<<<<<<<<<<<<<<<Stock List>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
        printf(space"Company Name     ||Starting price || Cur_price  || Volume    ||  MARKET     \n");
        arrow_fun(0,arrow);
        printf_name(page_list[0].name);
        printf_sec(page_list[0].start_price);
        printf("%d            ",array[(5*cur_page)+0]);
        printf_sec(page_list[0].volume);
        printf_sec(page_list[0].market);
        printf("\n");
        arrow_fun(1,arrow);
        printf_name(page_list[1].name);
        printf_sec(page_list[1].start_price);
        printf("%d            ",array[(5*cur_page)+1]);
        printf_sec(page_list[1].volume);
        printf_sec(page_list[1].market);
        printf("\n");
        arrow_fun(2,arrow);
        printf_name(page_list[2].name);
        printf_sec(page_list[2].start_price);
        printf("%d            ",array[(5*cur_page)+2]);
        printf_sec(page_list[2].volume);
        printf_sec(page_list[2].market);
        printf("\n");
        arrow_fun(3,arrow);
        printf_name(page_list[3].name);
        printf_sec(page_list[3].start_price);
        printf("%d            ",array[(5*cur_page)+3]);
        printf_sec(page_list[3].volume);
        printf_sec(page_list[3].market);
        printf("\n");
        arrow_fun(4,arrow);
        printf_name(page_list[4].name);
        printf_sec(page_list[4].start_price);
        printf("%d            ",array[(5*cur_page)+4]);
        printf_sec(page_list[4].volume);
        printf_sec(page_list[4].market);
        printf("\n");
        arrow_fun(5,arrow);
        printf("BACK\n");
        printf(space "use the arrow keys to turn pages and for selecting stock\n");
        printf(space "press enter for selecting\n");
        printf("\n\n\n"space space"Page:%d\n",cur_page);
        x=_getch();
        switch(x)
        {
        case 72:
            arrow--;
            break;
        case 80:
            arrow++;
            break;
        case 75:
            cur_page--;
            break;
        case 77:
            cur_page++;
            break;
        case 13:
            if(arrow==5)
                loop=0;
            else
                view_stock(page_list,arrow,cur_page,file);
        }
        if(arrow>5 ||arrow<0)
        {
            arrow=0;
        }
        if(cur_page>3 ||cur_page<0)
        {
            cur_page=0;
            arrow =0;
        }
    }
}
int  calcu_eps(char* capital,char* shares)
{
    int out_stan_shares=char_to_int(shares);
    return char_to_int(capital)/out_stan_shares-14;
}
int calcu_pe(char*price,int eps)
{
    return eps/char_to_int(price);
}
int calcu_Div(char* price)
{
    int dividend_yield=7;
    return char_to_int(price)/dividend_yield;
}
void updating_point()
{
    char Data[1000],x,max[3];
    int i,pos=0,in=0,count=0,idx=0;
    FILE *fp1,*fp;
    if((fp1=fopen("COMPANY_DATA.txt","r"))==NULL)
    {
        fp1=fopen("COMPANY_DATA.txt","w");
        char data[]="|venkys#20#500000$|satin#10#2500000$|ultratech#15#2000000$|polaris#17#250000$|Aditya vision#20#700000$|Mrf#35#1000000$|page#25#350000$|Ashok leyland#45#100000$|Tata#15#750000$|jio#40#100000$|kakatiya Cement#33#750000$|Coasboard Industries#27#500000$|Electrotham industries#21#210000$|Eichers#77#1000000$|Rana Sugar#13#500000$|Alkai Metals#39#450000$|Amazon#61#8500000$|JustDial#69#7200000$|Adobe#77#900000$|infoys#55#6500000$";
        i=0;
        while(data[i]!='\0')
        {
            x=data[i];
            fputc(x,fp1);
            i++;
        }
        fclose(fp1);

    }
    if(ind_pos==0)
    {
        int new_arr[20]= {20,10,15,17,20,35,25,45,15,40,33,27,21,77,13,39,61,69,77,55};
        for(idx=0; idx<20; idx++)
        {
            array[idx]=new_arr[idx];
        }
    }
    if(ind_pos<up_price)
    {
        fp=fopen("Prices_list.txt","a+");
        idx= pos=in=count =0;
        x='k';
        while(count<ind_pos)
        {
            x=fgetc(fp);
            if(x=='$')
            {
                count++;
            }
        }
        count=0;
        if(ind_pos!=0)
        {
            x='k';
        }
        while(x!='$')
        {
            x=fgetc(fp);
            Data[idx]=x;
            idx++;
        }
        Data[idx]='\0';
        while(in<idx)
        {
            in++;
            while(Data[in]!='#' && Data[in]!='$')
            {
                max[pos++]=Data[in];
                in++;
            }
            if(Data[in]=='$')
            {
                in++;
            }
            else
            {
                if(pos==0)
                {
                    max[pos++]='0';
                }
                max[pos]='\0';
                pos=0;
                array[count]+=char_to_int(max);
                count++;
            }
        }
        ind_pos++;
        pthread_t tid_2;
        pthread_create(&tid_2, NULL, myThreadFun, (void*)1);
    }
}
void view_stock(cmp_data*Data,int current,int page,user_details *file)
{
    char x;
    int EPS,PE,Dividend,choice=0,loop=1;
    EPS=calcu_eps(Data[current].market,Data[current].volume);
    PE=calcu_pe(Data[current].start_price,EPS);
    Dividend=calcu_Div(Data[current].start_price);
    while(loop)
    {
        system("cls");
        system("color 04");
        updating_point();
        printf("\n\n");
        printf(space"<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<View Stock>>>>>>>>>>>>>>>>>>>>>\n\n");
        printf(space"<<<<<<<<<<<<<<<<<<<<<<<<Company Details>>>>>>>>>>>>>>>>>>>>\n");
        printf(space"\t\t\t\t\tFundamentals Analysis\n");
        printf(space"Name:%s \t\t\t\t",Data[current].name);
        printf(space"EPS:%d\n",EPS);
        printf(space"No.of.Shares:%s \t\t\t",Data[current].volume);
        printf(space"PE :%d\n",PE);
        printf(space"Starting price:%s\t\t\t",Data[current].start_price);
        printf(space"Dividend:%d\n",Dividend);
        printf(space"Market Capital:%s\n",Data[current].market);
        printf(space"Current Price:%d\n",array[(5*page)+current]);
        printf(space"\n\n\n"space);
        arrow_fun(0,choice);
        printf("View current graph\n"space);
        arrow_fun(1,choice);
        printf("Buy Option\n");
        arrow_fun(2,choice);
        printf("Go back\n");
        x= _getch();
        switch(x)
        {
        case 'H':
            choice--;
            break;
        case 'P':
            choice++;
            break;
        case 13:
            if(choice==2)
                loop=0;
            else if(choice==0)
            {
                graph_section(Data[current].name,Data[current].volume,Data[current].start_price,page,current);
            }
            else if(choice==1)
            {
                buy_section((page*5)+current,file);
            }
        }
        if(choice<0 ||choice>2)
        {
            choice=2;
        }
    }
}
void buy_section(int cmp_num,user_details*file)
{

    int flag=0;
    system("cls");
set_up:
    if(flag==0)
    {
        FILE *fp;
        fp=fopen("COMPANY_DATA.txt","r");
        char data[1000],x;
        int idx=0,pos=0,cur_pos=0,last_pos=0;
        while((x = fgetc(fp)) != EOF)
        {
            data[idx++] = x;
        }
        data[idx]='\0';
        fclose(fp);
        idx=0;
        while(pos<cmp_num && data[idx]!='\0')
        {
            if(data[idx]=='$')
            {
                pos++;
            }
            idx++;
        }
        pos=0;
        cur_pos=idx;
        char temp_data[100],cmp_name[100],shares[100];
        idx++;
        while(data[idx]!='$')
        {
            temp_data[pos]=data[idx++];
            pos++;
        }
        last_pos=idx;
        temp_data[pos]='\0';
        idx=pos=0;
        while(temp_data[idx]!='#')
        {
            cmp_name[idx]=temp_data[idx];
            idx++;
        }
        cmp_name[idx++]='\0';
        char str_pric[100];
        while(temp_data[idx]!='#')
        {
            str_pric[pos++]=temp_data[idx++];
        }
        str_pric[pos]='\0';
        pos=0;
        idx++;
        while(temp_data[idx]!='\0')
        {
            shares[pos]=temp_data[idx++];
            pos++;
        }
        shares[pos]='\0';
        account_details *sec;
        char quantity[100];
        sec=file->account;
        system("cls");
        printf(space "<<<<<<<<<<<<<<<<<<<Buy Section>>>>>>>>>>>>>>>>>>>\n\n");
        printf(space "Compaany Name:%s\n",cmp_name);
        printf(space "Company Shares:%s\n",shares);
        printf(space "Current Price:%d\n",array[cmp_num]);
        printf(space "Available Funds :%d\n",sec->available_cash);
        printf(space "Buy Quantity:");
        scanf("%s",quantity);
        if(check_quantity(quantity)==0)
        {
            flag++;
            goto set_up;
        }
        if(check_quantity_available(quantity,shares)==0)
        {
            flag++;
            goto set_up;
        }
        if(check_funds(quantity,cmp_num,sec->available_cash)==0)
        {
            flag++;
            goto set_up;
        }
        char *s;
        int len=0;
        while(len!=25)
        {
            time_t t;
            time(&t);
            s=ctime(&t);
            len=strlen(s);
        }
        record *set=(record*)malloc(1*sizeof(record));
        set->buy_price=array[cmp_num];
        strcpy(set->cmp_name,cmp_name);
        set->no_of_share=char_to_int(quantity);
        strcpy(set->volume,shares);
        set->cash=char_to_int(quantity)*array[cmp_num];
        set->next=NULL;
        set->pos=cmp_num;
        strcpy(set->buy_time,s);
        if(file->portfolio==NULL)
        {
            file->portfolio=malloc(sizeof(record));
            file->portfolio=set;
            printf(space"first\n");
        }
        else
        {
            record *list=(record*)file->portfolio;
            while(list->next!=NULL)
            {
                list=list->next;
            }
            list->next=set;
            printf(space "Inserted\n");
        }
        updating_funds(file,cmp_num,char_to_int(quantity));
        flag=1;
        idx=0;
        printf(space"Current cash %d\n",sec->available_cash);
        fp=fopen("Company_data.txt","w");
        while(idx<cur_pos)
        {
            x=data[idx];
            fputc(x,fp);
            idx++;
        }
        idx=0;
        fputc('|',fp);
        while(cmp_name[idx]!='\0')
        {
            x=cmp_name[idx++];
            fputc(x,fp);
        }
        idx=0;
        fputc('#',fp);
        while(str_pric[idx]!='\0')
        {
            x=str_pric[idx++];
            fputc(x,fp);
        }
        idx=0;
        fputc('#',fp);
        char *new_quantity=int_char(char_to_int(shares)-char_to_int(quantity));
        while(new_quantity[idx]!='\0')
        {
            x=new_quantity[idx++];
            fputc(x,fp);
        }
        idx=last_pos;
        while(data[idx]!='\0')
        {
            x=data[idx++];
            fputc(x,fp);
        }
        fclose(fp);
        printf(space "Your Order is Succesfully Placed\n");
        _getch();
    }
    else
    {
        printf(space"Press any Key\n");
        _getch();
    }
}
int check_quantity_available(char *requested,char *available)
{
    if(char_to_int(requested)<=char_to_int(available))
        return 1;
    else
    {
        printf(space "Requested quantity Not available\n");
        return 0;
    }
}
void updating_funds(user_details*file,int cmp_num,int shares)
{
    account_details*sec=file->account;
    long long int cur=sec->available_cash;
    cur=cur-(array[cmp_num]*shares);
    sec->available_cash=cur;
}
int check_funds(char *quantity,int number,long long int cash)
{
    long long int shares=char_to_int(quantity);
    if((shares*array[number])<cash)
        return 1;
    else
        return 0;
}
int check_quantity(char *quantity)
{
    int idx=0;
    while(quantity[idx]!='\0')
    {
        if(quantity[idx]>47 && quantity[idx]<58)
        {
            idx++;
        }
        else
        {
            printf(space "Enter only Numbers\n");
            return 0;
        }
    }
    return 1;
}
int* whole_data(int st_price,int page,int CURRENT,int *length)
{
    FILE *fp;
    char x='k',Data[10000],max_array[3];
    fp=fopen("Prices_list.txt","a+");
    int pos=0,index=0,new_arr[1000],price=0,var=(5*page)+CURRENT,value=0;
    while(value<ind_pos)
    {
        index=0;
        while(x!='$')
        {
            x=fgetc(fp);
            Data[index]=x;
            index++;
        }
        Data[index]='\0';
        int cur=0,low=0;
        while(cur!=var && low<index)
        {
            if(Data[low]=='#')
            {
                cur++;
            }
            low++;
        }
        cur=0;
        while(Data[low]!='#')
        {
            max_array[cur++]=Data[low];
            low++;
        }
        max_array[cur]='\0';
        int v;
        v=char_to_int(max_array);
        new_arr[value]=v;
        value++;
        pos++;
        x='k';
    }
    int *r=&value;
    *length=*r;
    return new_arr;
}
void graph_section(char *name,char* shares,char* st_price,int page,int CURRENT)
{
    system("cls");
    int len,*data;
    data=whole_data(char_to_int(st_price),page,CURRENT,&len);
    int gd = DETECT,gm;
    initgraph(&gd, &gm, "C:\\TC\\BGI");
    setcolor(YELLOW);
    settextstyle(SANS_SERIF_FONT,HORIZ_DIR,2);
    setcolor(WHITE);
    outtextxy(275,0,"Graph Section");
    outtextxy(50,20,"Name  :");
    outtextxy(120,20,name);
    outtextxy(50,40,"Shares :");
    outtextxy(120,40,shares);
    outtextxy(450,40,"Cur_price :");
    outtextxy(545,40,int_char(array[(5*page)+CURRENT]));
    line(0,60,639,60);
    if(len==0)
    {
        outtextxy(10,430-char_to_int(st_price),st_price);
        line(10,430,10,430-char_to_int(st_price));
    }
    else
    {
        fun_graph(data,len,char_to_int(st_price));
    }
    line(0,430,639,430);
    outtextxy(150,440,"Press any Key");
    _getch();
    closegraph();
}
void fun_graph(int *data,int len,int st_price)
{
    graph_coordinates(data,len,st_price);
    int add=0;
    if(len<2)
    {
        add=2;
    }
    int dist =600/(len+add);
    int idx=0,range=len+1;
    char *str=int_char(st_price);
    int x1=10,x2=10,y1=430,y2=430-st_price;
    while(idx<range)
    {
        outtextxy(x2,y2,str);
        line(x1,y1,x2,y2);
        x1=x2;
        y1=y2;
        x2=x2+dist;
        y2=430-data[idx]-10;
        str=int_char(data[idx]);
        idx++;
    }
}
void graph_coordinates(int *prev_data,int len,int st_price)
{
    int idx,cur=st_price;
    int *data=(int*)malloc(len*sizeof(int));
    for(idx=0; idx<len; idx++)
    {
        data[idx]=prev_data[idx];
        cur+=data[idx];
        data[idx]=cur;
        if(data[idx]<0)
        {
            data[idx]=0;
            cur=0;
        }
    }
    cur=0;
    int pos=0,diff=0;
    for(idx=0; idx<len; idx++)
    {
        if(data[idx]>360)
        {
            cur=data[idx]-360+2;
            pos=idx;
            data[idx]-=cur;
            while(pos--)
            {
                diff=data[pos+1]-data[pos];
                if(diff>=cur)
                {
                    pos=0;
                }
                else
                {
                    data[pos]-=cur;
                }
            }
        }
    }
    for(idx=0; idx<len; idx++)
    {
        prev_data[idx]=data[idx];
    }
}
void printf_sec(char *data)
{
    int len=strlen(data);
    printf("%s",data);
    if(len<12)
    {
        while(len<12)
        {
            printf(" ");
            len++;
        }
    }
}
void printf_name(char *name)
{
    int len=strlen(name);
    printf("%s",name);
    if(len<25)
    {
        while(len<25)
        {
            printf(" ");
            len++;
        }
    }
}
void my_Account(char *Name,user_details *file)
{
    system("cls");
    printf("\n\n\n\n");
    printf(space"<<<<<<<<<<<<<<<<<<My Account>>>>>>>>>>>>>>>>>>>\n\n");
    status();
}
void trans_sec(char *Name,user_details* file)
{
    system("cls");
    printf("\n\n\n\n");
    printf(space"<<<<<<<<<<<<<<<<<<Transaction Histroy>>>>>>>>>>>>>>>>>>>\n\n");
    status();
}
void user_choice(int choice,char *Name,user_details* file)
{
    if(choice==1)
        Help_sec(Name);
    else if(choice==2)
        portfolio(Name,file);
    else if(choice==3)
        watch_list(Name,file);
    else if(choice==4)
        stock_list(Name,file);
    else if(choice==5)
        my_Account(Name,file);
    else if(choice==6)
        trans_sec(Name,file);
}
void arrow_fun(int exp,int act)
{

    if(exp==act)
        printf(space"->");
    else
        printf(space"  ");
}
void welcome_page(char *username)
{
    system("color f9");
    system("cls");
    printf("\n\n\n\n\n\n");
    printf(space"<<<<<<<<<<<<<<<<<<<<<Welcome Page>>>>>>>>>>>>>>>>>>>>>>\n\n");
    printf(space "Welcome to HELIX %s\n",username);
    printf("\n");
    printf(space "If you are new to HELIX \n");
    printf(space" Go to the Help Section First\n");
    printf(space"Other's wise carry on\n");
    printf(space"Press any key\n");
    _getch();
    system("cls");
}
int Main_page()
{
    FILE *fp;
    char choice,x;
    char users[100];
    char username[100];
    char password[100];
    int i=0;
main_sec:
    while(1)
    {
        fflush(stdin);
        system("cls");
        printf("\n\n\n\n\n");
        printf(space "Helix\n");
        printf(space"1)login\n");
        printf(space"2)signup\n");
        printf(space"3)exit\n");
        printf(space"Enter Your choice\n");
        printf(space);
        choice=_getch();
        if(choice== 49 || choice ==50 ||choice==51)
            break;
        else
        {
            printf("\n"space"Enter valid choice\n");
            printf(space"press any key\n");
            _getch();
            system("cls");
        }
    }
    if(choice==49)
    {
        login_page();
        goto main_sec;
    }
    if(choice ==50)
    {
        signup_page();
        goto main_sec;
    }
    if(choice==51)
    {
        system("cls");
        printf(space"Exit\n\n");
        printf(space"Are You Sure Want to Exit\n");
        printf(space"Enter y/n\n");
        x=_getch();
        if(x=='n'||x=='N')
            goto main_sec;
        else
        {
            printf("\n"space"Thank u for visiting\n");
        }
    }
}
void signup_page()
{
    FILE *fp;
    int i;
    char x,username[100],password[100];
    system("cls");
    printf("\n\n\n\n\n");
    printf(space "\t<<<<<<<<<<<<<<<<<<<Signup>>>>>>>>>>>>>>>>\n\n");

    printf("\n\n\n"space space"   %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c", 218, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 191);
    printf("\n"space "\t\tUsername : %c                       %c\n",179,179);
    printf(""space space"   %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c", 192, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 217);
    gotoxy(52,11);
    scanf("%s",username);
    i=0;
    while((x = username[i]) != '\0')
    {
        if(x == '|' || x == '#' || x == '$')
        {
            printf("\n*Username must not contain special characters like |, #, $ etc.");
            _getch();
            goto signup_end;
        }
        i++;
    }
    char accountsDB[100];
    fp = fopen("PROJECT_DATA_FILE.txt","r");
    i = 0;
    while((x = fgetc(fp)) != EOF)
    {
        accountsDB[i++] = x;
    }
    fclose(fp);
    char temp_pass[100];
    if(NULL == strstr(accountsDB, username))
    {
        i=0;
        printf("\n"space space"   %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c", 218, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 191);
        printf("\n"space "\t\tPassword : %c                       %c\n",179,179);
        printf(""space space"   %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c", 192, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 217);
        gotoxy(52,14);
        while ((x = _getch()) != '\r')
        {
            printf("*");
            password[i++] = x;
        }
        password[i] = '\0';
        printf("\n"space space"   %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c", 218, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 191);
        printf("\n"space "\t\tPassword : %c                       %c\n",179,179);
        printf(""space space"   %c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c", 192, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 196, 217);
        gotoxy(52,16);
        i = 0;
        while((x = _getch()) != '\r')
        {
            printf("*");
            temp_pass[i++] = x;
        }
        temp_pass[i]='\0';
        if(strcmp(temp_pass,password)==0)
        {
            i = 0;
            fp = fopen("PROJECT_DATA_FILE.txt","a");
            fputc('|',fp);
            while((x = username[i]) != '\0')
            {
                fputc(x,fp);
                i++;
            }
            i = 0;
            while((x = password[i]) != '\0')
            {
                fputc(x,fp);
                i++;
            }
            fputc('$', fp);
            fputc('1', fp);
            fputc('#', fp);
            fputc('1', fp);
            fclose(fp);
            printf("\n\n"space space "Sign up successful\n");
            goto signup_end;
        }
        else
        {
            printf("\n\n"space space"*Passwords do not match, try again\n");
            goto signup_end;
        }
    }
    else
    {
        printf(space "\n"space"*Username is already taken\n");
signup_end:
        printf(space "press any key\n");
        _getch();
    }
}
int char_to_int(char*num)
{
    int length=strlen(num);
    int i,temp,var=1;
    long long int c=0;
    for(i=0; i<length; i++)
    {
        if(i==0 && num[i]==45 )
        {
            var=-1;
        }
        else
        {
            temp=(num[i]-48);
            c=c*10+temp;
        }
    }
    c=c*var;
    return c;
}
char *int_char(int src)
{
    char r,*string=(char*)malloc(100*sizeof(char));
    int n=src,j=0,temp=0;
    if(src<0)
    {
        n=n*-1;
        temp=1;
    }
    if(n==0)
    {
        string[j++]='0';
    }
    while(n!=0)
    {
        r=n%10;
        string[j++]=(r+48);
        n/=10;
    }
    if(temp==1)
    {
        string[j++]=45;
    }
    string[j]='\0';
    strrev(string);
    return string;
}