code

#include<stdio.h>
#include<windows.h>
#include<pthread.h>
#include<conio.h>
#include<string.h>
#include<time.h>
#define space "\t \t \t"
typedef struct list{
char name[100];
int start_price;
int volume;
int market;
}list_t;
void userpage(char *users);
char *int_char(int src);
void *myThreadFun(void *id);
void *myThreadFun(void *id)
{
    FILE * fp_3;
    char ch,*str;
    time_t t,t_1;
    int v=20,random_1,random_2,idx,count=20;
    random_1 = random_2 =idx=0;
    fp_3=fopen("Prices_list.txt","w");
    while(v--)
    {
        while(count--)
        {
            srand((unsigned) time(&t));
            random_1=rand()%10;
            srand((unsigned) time(&t_1));
            random_2=rand()%10;
            if(random_1 == random_2)
            {
                if(random_1%2==0)
                str=int_char(random_1*random_2);
                else
                str=int_char(random_1*random_2*-1);
            }
            else
            {
            if(random_1%2==0)
                    str=int_char(random_2);
            else
                str=int_char(random_2*-1);
            }
            while(str[idx]!='\0')
            {
                fputc(str[idx],fp_3);
                idx++;
            }
            fputc('#',fp_3);
            idx=0;
        }
        count=20;
        Sleep(5000);
        fputc('$',fp_3);
    }
fclose(fp_3);
}
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;
    }
    while(n!=0)
    {
        r=n%10;
        string[j++]=(r+48);
        n/=10;
    }
    if(temp==1)
    {
        string[j++]=43;
    }
    string[j]='\0';
    strrev(string);
    return string;
}
void userpage(char *users)
{
    int max=5,select=1,loop=1;
     pthread_t tid;
        pthread_create(&tid, NULL, myThreadFun, (void*)1);
user_sec:
    while(loop)
    {
        if(select >6||select ==0)
        {
            select =1;
        }
        system("cls");
        system("color 04");
        printf("    Stock Guide\n\n");
        if(select ==1)
        {
            printf("-> portfolio\n");
        }
        else
        {
            printf("   Portfolio\n");
        }
        if(select == 2)
        {
            printf("-> watchlist\n");
        }
        else
        {
            printf("   watchlist\n");
        }
        if(select==3)
        {
            printf("-> stock list\n");
        }
        else
        {
            printf("   stock list\n");
        }
        if(select==4)
        {
            printf("-> account\n");
        }
        else
        {
            printf("   account\n");
        }
        if(select ==5)
        {
            printf("-> Transaction Histroy\n");
        }
        else
        {
            printf("   Transaction histroy\n");
        }
        if(select==6)
        {
            printf("-> EXIT\n");
        }
        else
        {
            printf("   EXIT\n");
        }
        printf("Use the Arrow key's to move and select\n");
        switch(_getch())
        {
        case 'H':
            select--;
            //      goto user_sec;
            break;
        case 'P':
            select++;
            //        goto user_sec;
            break;
        case 13:
            if(select!=6)
            {
                user_choice(select,users);;
            }
            else
            {
                loop=0;
            }
            break;
        }

    }
}
void user_choice(int choice,char *Name)
{
    if(choice==1)
        portfolio(Name);
    else if(choice==2)
        watch_list(Name);
    else if(choice==3)
        stock_list(Name);
    else if(choice==4)
        my_Account(Name);
    else if(choice==5)
        trans_sec(Name);
}
void trans_sec(char* Name)
{

}
void watch_list(char* Name)
{

}
void stock_list(char *Name)
{
    system("cls");
    FILE*fp,*fp1;
    char x;
    list_t *collection=(list_t*)malloc(sizeof(list_t)*5);
    int i,arrow=0;
    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);
    }
    fp=fopen("COMPANY_DATA.txt","r+");
    i=0;
    char all[10000];
    while((x = fgetc(fp)) != EOF)
    {
        all[i++] = x;
    }
    all[i] = '\0';
    int prev=4,page=0;
    while(1)
    {
        system("cls");
    inserting_the_data(collection,all,prev,page,i);
    prev=page;
    printf("          <<<<<<<<<<<<<<<<<<<Stock list>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n\n");
    printf("COMPANY_NAME    ||STARTING_PRICE      ||     VOLUME    ||     MARKET ");
    printf("\n%s|%d|%d|%d",collection[0].name,collection[0].start_price,collection[0].volume,collection[0].market);if(arrow==0)printf("<-");
    printf("\n%s|%d|%d|%d",collection[1].name,collection[1].start_price,collection[1].volume,collection[1].market);if(arrow==1)printf("<-");
    printf("\n%s|%d|%d|%d",collection[2].name,collection[2].start_price,collection[2].volume,collection[2].market);if(arrow==2)printf("<-");
    printf("\n%s|%d|%d|%d",collection[3].name,collection[3].start_price,collection[3].volume,collection[3].market);if(arrow==3)printf("<-");
    printf("\n%s|%d|%d|%d",collection[4].name,collection[4].start_price,collection[4].volume,collection[4].market);if(arrow==4)printf("<-");
    x=_getch();
    switch(x)
    {
        case 72:arrow--;
        break;
        case 80:arrow++;
        break;
        case 75:page--;
        break;
        case 77:page++;
        break;
        case 13:view_stock(collection,arrow);
    }
    if(arrow>4 ||arrow<0)
    {arrow=0;}
    if(page>3 ||page<0)
    {page=0;
    arrow =0;}
    }
}
int  calcu_eps(int capital,int shares)
{
int out_stan_shares=shares;
return capital/out_stan_shares-14;
}
int calcu_pe(int price,int eps)
{
    return eps/price;
}
int calcu_Div(int price)
{
    int dividend_yield=7;
    return price/dividend_yield;
}
void view_stock(list_t*Data,int choice)
{
    int EPS,PE,Dividend;
    EPS=calcu_eps(Data[choice].market,Data[choice].volume);
    PE=calcu_pe(Data[choice].start_price,EPS);
    Dividend=calcu_Div(Data[choice].start_price);
    system("cls");
    printf("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<View Stock>>>>>>>>>>>>>>>>>>>>>\n\n");
    printf("<<<<<<<<<<<<<<<<<<<<<<<<Company Details>>>>>>>>>>>>>>>>>>>>\n");
                                                                        printf("\t\t\t\t\tFundamentals Analysis\n");
    printf("Name:%s \t\t\t\t",Data[choice].name);                         printf("EPS:%d\n",EPS);
    printf("No.of.Shares:%d \t\t\t",Data[choice].volume);               printf("PE :%d\n",PE);
    printf("Starting price:%d\t\t\t",Data[choice].start_price);         printf("Dividend:%d\n",Dividend);
    printf("Market Capital:%d\n",Data[choice].market);
    _getch();
}
void inserting_the_data(list_t *collect,char*Data,int prev,int cur,int range)
{
    int idx=0,position=0;
    if(cur==0 && prev!=cur)
    {
        insert(collect,Data,cur+1);
    }
    else if(cur==1 && prev!=cur)
    {
         position=cur*5;
        while(position--)
        {
            while(Data[idx]!='$')
            {idx++;}
            idx+=2;
        }
        insert(collect,Data,idx);
    }
    else if(cur==2 && prev!=cur)
    {
         position=10;
        while(position--)
        {
            while(Data[idx]!='$')
            {idx++;}
            idx+=2;
        }
        insert(collect,Data,idx);
    }
    else if(cur==3 && prev!=cur)
    {
         position=15;
        while(position--)
        {
            while(Data[idx]!='$')
            {idx++;}
            idx+=2;
        }
        insert(collect,Data,idx);
    }
}
void insert(list_t *collect,char *Data,int pos)
{
    int count=5,idx=0,range=0;
    char temp[100]={0};
    while(range<count)
    {
        idx=0;
        while(Data[pos]!='#')
        {
            temp[idx++]=Data[pos];
            pos++;
        }
        temp[idx]='\0';
        pos++;
        strcpy(collect[range].name,temp);
        idx=0;
        while(Data[pos]!='#')
        {
            temp[idx]=Data[pos++];
            idx++;
        }
        temp[idx]='\0';
        collect[range].start_price=char_to_int(temp);
        idx=0;
        pos++;
        while(Data[pos]!='$')
        {
            temp[idx]=Data[pos++];
            idx++;
        }
        temp[idx]='\0';
        pos+=2;
        collect[range].volume=char_to_int(temp);
        collect[range].market=((collect[range].start_price)*(collect[range].volume))*2;
        range++;
    }
}
void my_Account(char *Name)
{
    printf("My Account\n\n");
    printf("Name                :%s\n",Name);
    printf("Starting Investment:50,000\n");
//  printf("Stock Value        :%d",);

}
void portfolio(char *Name)
{

}
int main()
{
    printf("WELCOME\n");
    printf("  TO    \n");
    printf("  HELIX  \n");
    printf("Press any Key\n");
    _getch();
    Main_page();
    return 0;
}
int Main_page()
{
    FILE *fp;
    char choice,x;
    char users[100];
    char username[100];
    char password[100];
    int i=0;
main_sec:
    system("cls");
    while(1)
    {
        fflush(stdin);
        printf("Helix\n");
        printf("1)login\n");
        printf("2)signup\n");
        printf("3)exit");
        choice=_getch();
        if(choice== 49 || choice ==50 ||choice==51)
            break;
        else
        {
            printf("\nEnter valid choice\n");
            printf("press any key\n");
            _getch();
            system("cls");
        }
    }
    if(choice==49)
    {
        char x,*tempstr;
        char accountsDB[100];
        system("cls");
        printf("Login \n");
        printf("Username:");
        scanf("%s",username);
        printf("\n");
        i=0;
        while(username[i] != '\0')
        {
            users[i] = username[i];
            i++;
        }
        users[i] = '\0';
        i=0;
        printf("Password:");
        while ((x = _getch()) != '\r')
        {
            printf("*");
            password[i++] = x;
        }
        password[i] = '\0';
        i = 0;
        strcat(username, password);
        fp = fopen("PROJECT_DATA_FILE.txt","r");
        while((x = fgetc(fp)) != EOF)
        {
            accountsDB[i++] = x;
        }
        accountsDB[i] = '\0';
        fclose(fp);
        if(NULL == strstr(accountsDB, username))
        {
            printf("\n\n"space space"*Username or password is wrong");
            _getch();
            goto main_sec;
        }
        else
        {
            tempstr = strstr(accountsDB, username);
        }
        i=0;
        while(username[i]!='\0')
        {
            if(username[i]!=tempstr[i])
                break;

            i++;
        }
        if(i==strlen(username))
        {
            userpage(users);
            goto main_sec;
        }
        else
        {
            printf("\n\n*Username or password is wrong");
            _getch();
            goto main_sec;
        }
    }
    if(choice ==50)
    {
        system("cls");
        printf("Signup\n");
        printf("Username:");
        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 main_sec;
            }
            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("Password:");
            while ((x = _getch()) != '\r')
            {
                printf("*");
                password[i++] = x;
            }
            password[i] = '\0';
            printf("\nRe-Enter password:");
            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\nSign up successful");
                _getch();
                goto main_sec;
            }
            else
            {
                printf("\n\n*Passwords do not match, try again");
                _getch();
                goto main_sec;
            }
        }
        else
        {
            printf("\n*Username is already taken");
            _getch();
            goto main_sec;
        }
    }
    if(choice==51)
    {
        system("cls");
        printf("Exit\n\n");
        printf("Are You Sure Want to Exit\n");
        printf("Enter y/n\n");
        x=_getch();
        if(x=='n'||x=='N')
            goto main_sec;
        else
        {
            printf("Thank u for visiting\n");
        }
    }
}
int char_to_int(char*num)
{

    int length=strlen(num);
    int var=1;
    int i,c=0,temp;
    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;
}