usaa24/cv4/main.c

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

int main() {
    struct car* train = NULL;
    int choice;
    char station[100];
    
    while (1) {
        printf("\nMenu:\n");
        printf("1. Add station\n");
        printf("2. Remove a station\n");
        printf("3. Print route\n");
        printf("4. Cancel train\n");
        printf("5. Exit\n");
        printf("Enter your choice: ");
        scanf("%d", &choice);
        getchar();
        
        switch(choice) {
            case 1:
                while (1) {
                    printf("Enter the station name to add (or press Enter to stop): ");
                    fgets(station, sizeof(station), stdin);
                    station[strcspn(station, "\n")] = '\0';  // Remove newline character
                    
                    if (station[0] == '\0') {
                        break;  // Exit the loop if input is empty
                    }
                    
                    train = add_car(train, station);
                    printf("Station '%s' added to the train.\n", station);
                }
                break;
            case 2:
                while (1) {
                    printf("Enter the station name to clear (or press Enter to stop): ");
                    fgets(station, sizeof(station), stdin);
                    station[strcspn(station, "\n")] = '\0';  // Remove newline character
                    
                    if (station[0] == '\0') {
                        break;  // Exit the loop if input is empty
                    }
                    
                    struct car* temp = train;
                    int found = 0;
                    while (temp != NULL) {
                        if (strcmp(temp->value, station) == 0) {
                            found = 1;
                            break;
                        }
                        temp = temp->next;
                    }
                    
                    if (found) {
                        train = clear_train(train, station);
                        printf("Station '%s' deleted from the train.\n", station);
                    } else {
                        printf("Station '%s' does not exist in the train.\n", station);
                    }
                }
                break;
            case 3:
                printf("\nRoute List:\n");
                print_train(train);
                break;
            case 4:
                printf("\nCanceling the train...\n");
                cancel_train(train);
                train = NULL;
                break;
            case 5:
                printf("Exiting program...\n");
                cancel_train(train);
                return 0;
            default:
                printf("Invalid choice, please try again.\n");
        }
    }

    return 0;
}