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

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

struct Tripdate {
    int tripday;
    int tripmonth;
    int tripyear;
};
struct Bustime {
    int hours;
    int minute;
};
struct Passenger {
    char custname[50];
    char custsurname[50];
    char custpassword;
    char custusername[50];
    int seat;
    char username[20];
    char password[20];
    int busId;
};
struct Bus {
    int id;
    int busplate;
    char bustripname[50];
    int ticketprice;
    struct Tripdate date;
    struct Bustime time;
    struct Passenger customer[5];
};

struct Ticket {
    struct Passenger customer[20];
    struct Bus info[5];
    struct Bustime time;
    struct Tripdate date;
};
struct Employe {
    char usern[20];
    char passw[20];
};
//decleration of functions
struct Passenger customer[20];
struct Ticket t[20];

int read_EMP_usernameandpassword(struct Employe e[], char u[], char p[]);

int read_PESS_usernameandpassword(struct Passenger customer[], char us[], char pa[]);

void read_passenger(struct Bus info[], struct Passenger customer[]);

void print_passenger(struct Bus info[]);

int busCount = 0;
int passengerCount = 0;

int main() {

    FILE *fp4;
    FILE *fp6;
    FILE *fp8;
    int choice;
    int k, m, i;
    int checker = 0;
    char u[20];
    char p[20];
    char us[20];
    char pa[20];
    struct Bus info[5];
    struct Passenger customer[20];
    struct Employe worker[5];
    struct Ticket t[20];

    printf("********** BUS TICKET RESERVATION SERVICE **********");


    printf("1-LOGIN AS ADMINISTRATOR \n2-LOGIN AS PASSENGER\n");
    scanf("%d", &choice);

    switch (choice) {
        while (checker != 1) {
            case 1:
                printf("\nUsername : \n");
            scanf("%s", &u);
            printf("Password : \n");
            scanf("%s", &p);

            if (read_EMP_usernameandpassword(worker, u, p)) {
                printf("1. Display all information of all passengers\n2. Display all passengers which took tickets for a specific bus trip\n3. Cancel a ticket\n4. Print the ticket for a passenger\n0-Return the MENU\n");
                scanf("%d", &k);
                switch (k) {
                    case 1:

                        read_passenger(info, customer);

                        print_passenger(info);
                        break;
                    case 2:

                        break;
                    case 3:
                        break;
                    case 4:
                        break;

                }
                checker = 1;
                break;
            }
            else {
                printf("You enter wrong username or password!!!Please try again.");
            }
        }

        case 2:

            printf("Username : \n");
            scanf("%s", &us);
            printf("Password : \n");
            scanf("%s", &pa);

            if (read_PESS_usernameandpassword(customer, us, pa)) {
                printf("1. Buy a ticket for a trip\n2. Display your online ticket\n3. Change ticket information(For ex trip or seat or bus)\n4. Display available and unavailable seats for a specific bus trip\n5. Search a ticket\n0-Return the MENU\n");
                scanf("%d", &m);
                switch (m) {
                    case 1:
                        break;
                    case 2:
                        break;
                    case 3:
                        break;
                    case 4:
                        break;
                    case 5:
                        break;

                }
                break;
            }
    }


    return 0;
}

int read_EMP_usernameandpassword(struct Employe e[], char u[], char p[]) {
    FILE *fp = fopen("EMP_usernameandpassword.txt", "r");

    int check = 0;
    int size = 0;
    while (!feof(fp)) {
        fscanf(fp, "%s %s", e[size].usern, e[size].passw);
        if (strcmp(e[size].usern, u) == 0 && strcmp(e[size].passw, p) == 0) {
            check = 1;
            break;
        }
        size++;
    }
    fclose(fp);
    return check;
}

int read_PESS_usernameandpassword(struct Passenger customer[], char us[], char pa[]) {
    FILE *fp = fopen("PASS_usernameandpassword.txt", "r");
    int check = 0;
    int i = 0;
    while (!feof(fp)) {
        fscanf(fp, "%s %s", customer[i].username, customer[i].password);
        if (strcmp(customer[i].username, us) == 0 && strcmp(customer[i].password, pa) == 0) {
            check = 1;
            break;
            i++;
        }
    }
    fclose(fp);
    return check;
}

void read_passenger(struct Bus info[], struct Passenger customer[]) {
    FILE *fp1 = fopen("Name_Surname_Seat.txt", "r");
    FILE *fp2 = fopen("Line_Date_Time.txt", "r");

    busCount = 0;
    while (!feof(fp2)) {
        fscanf(fp2, "%d %s %d %d %d %d %d", &info[busCount].id, info[busCount].bustripname, &info[busCount].date.tripday,
               &info[busCount].date.tripmonth, &info[busCount].date.tripyear, &info[busCount].time.hours, &info[busCount].time.minute);
        busCount++;
    }
    fclose(fp2);

    passengerCount = 0;
    while (!feof(fp1)) {
        fscanf(fp1, "%s %s %d %d", customer[passengerCount].custname, customer[passengerCount].custsurname, &customer[passengerCount].busId,
               &customer[passengerCount].seat);
        passengerCount++;
    }
    fclose(fp1);

    int k = 0;
    for (k = 0; k < busCount; k++) {
        int l = 0, m = 0;
        for (m = 0; m < passengerCount; m++) {
            if (customer[m].busId == info[k].id) {
                info[k].customer[l] = customer[m];
                l++;
            }
        }
    }
}

void print_passenger(struct Bus info[]) {
    int i=0;
    printf("*****INFORMATION OF ALL PASSENGER*****\n");
    for (i = 0; i < 5; i++) {
        printf("NAME : %s \nSURNAME : %s \nSEAT : %d ", info[i].customer[i].custname, info[i].customer[i].custsurname,
               info[i].customer[i].seat);
        printf("\nTRIP NAME : %s\nTRIP DATE : %d.%d.%d\nTRIP TIME : %d:%d\n\n", info[i].bustripname,
               info[i].date.tripday, info[i].date.tripmonth, info[i].date.tripyear, info[i].time.hours,
               info[i].time.minute);
        i++;
    }
}