main.c

/********* main.c ********
	
	Student Name 	= Marwan Alakhras
	Student Number	= 101296201
*/

//Complete the includes
#include <stdlib.h>
#include <stdio.h>
#include "a1_functions.h"
#include "a1_functions.c"

#define max_milestones 5 //maximum allowed number of milestones
#define min_milestones 1 //minimum allowed number of milestones
#define max_activites 15    //maximum possible number of activities (5 * 3)


int main()
{
    /** 1-  Display a welcome message **/
    printf("\n\t\t~Welcome to Project Performance Calculator~\n");

/**/
    /** 2- Get the project's name and number of milestones **/
    char project_name[100] = "";
    int number_of_milestones = 0;
   

    printf("Enter project's name: ");
	scanf(" %s", &project_name);

    printf("Enter project's number of milestones(1-5): ");
    scanf(" %i", &number_of_milestones);
	while (number_of_milestones < min_milestones || number_of_milestones > max_milestones){
        printf("Invalid number of milestones. Pick 1 to 5 (inclusive)\n");
        printf("Enter project's number of milestones(1-5): ");
        scanf(" %i", &number_of_milestones);

    }  

    /** 3- Initialize all milestones and activities.
     * You need an array of milestones. 
     * The capacity of the array must be the max number of milestones the program 
     * can handle as per the instructions **/

    milestone_t array_milestones[max_milestones]; // array of structs milestone_t
    int activities_in_milestones[max_milestones]; //array of number of activities in its corresponding milestone 
    const int * p_activities_in_milestones = activities_in_milestones;//Pointer to the first element of the array 
    const int * wp_activities_in_milestones = p_activities_in_milestones;//walking pointer to move through the array 
    unsigned short int array_activity_IDs[max_activites] = {0}; //array that stores all activity IDs across all milestones
    int total_number_of_activities = 0; //total number of activites across all milestones
    
    for (int i = 0; i < number_of_milestones; i++){
        
        printf("Initializing milestone...%i...\n", i+1);
        int user_input_milestone_ID = 0;
        printf("Enter ID for milestone %i: ", i+1);
        scanf(" %i", &user_input_milestone_ID);
        while (is_milestone_ID_unique(array_milestones, user_input_milestone_ID, i) == false || user_input_milestone_ID <= 0 || user_input_milestone_ID > 65535){
            printf("Invalid ID (must be unique and positive). Enter ID for milestone %i: ", i+1);
            scanf(" %i", &user_input_milestone_ID);
        }
        array_milestones[i].id = (unsigned short int) user_input_milestone_ID;

        
        printf("Enter number of activities for milestone %i: ", i+1);
        scanf(" %i", wp_activities_in_milestones);
        while(*wp_activities_in_milestones > 3 || *wp_activities_in_milestones < 1){
            printf("Invalid number of activities. Must be between (1,3). Enter number of activities for milestone %i: ", i+1);
            scanf(" %i", wp_activities_in_milestones);
            
        }

        for (int j = 0; j < *wp_activities_in_milestones ; j++){
            int user_input_activity_ID = 0;
            printf("Enter ID for activity %i: ", j+1);
            scanf(" %i", &user_input_activity_ID);
            while(is_activity_ID_unique(array_activity_IDs, user_input_activity_ID, total_number_of_activities) == false || user_input_activity_ID <= 0 || user_input_activity_ID > 65535){
                printf("Invalid ID (must be unique and positive). Enter ID for activity %i: ", j+1);
                scanf(" %i", &user_input_activity_ID);
            }
            array_milestones[i].activity_list[j].id = (unsigned short int) user_input_activity_ID;
            
            array_activity_IDs[total_number_of_activities] = array_milestones[i].activity_list[j].id;
            total_number_of_activities++;

            init_activity(&array_milestones[i].activity_list[j]); //Initializes activity

        }
        
        init_milestone(&array_milestones[i], *wp_activities_in_milestones); //initilizes milestone with its corresponding number of activities.
        wp_activities_in_milestones++; //Increments walking pointer for the next milestone's number of activities
    }
    wp_activities_in_milestones = p_activities_in_milestones; //Resets the pointer to the start of the array
 
    

    /** 4- Initialize the project **/

    project_t project = init_project(project_name, array_milestones, number_of_milestones, p_activities_in_milestones);


    /** 5- Print the main menu **/
    
    //print_main_menu function is called in step 6 inside the while loop.

    /** 6- Get user choice and handle it as per the instructions**/
    
    while (true){
		wp_activities_in_milestones = p_activities_in_milestones; //Resets the pointer to the start of the array.
		print_main_menu();
        int user_input = get_input_usi();
        if (user_input == 1){
            unsigned short int activity_to_update = 0;
            for (int i = 0; i < number_of_milestones; i++, wp_activities_in_milestones++){
                for (int j = 0; j < *wp_activities_in_milestones; j++){
                    printf("Activity name: %s\t Activity ID: %hu\t", array_milestones[i].activity_list[j].name , array_milestones[i].activity_list[j].id);
                    if (array_milestones[i].activity_list[j].completed == true){
                        printf("\tCompleted\n");
                    }
                    else if(array_milestones[i].activity_list[j].completed == false) {
                        printf("\tIncomplete\n");
                    }
                }
                
            }
            wp_activities_in_milestones = p_activities_in_milestones;//Resets the pointer to the start of the array
            
            printf("\nWhich activity do you want to update? (enter ID): ");
            scanf(" %hu", &activity_to_update);
            while(is_activity_completed(array_milestones,number_of_milestones,p_activities_in_milestones, activity_to_update) == true || is_activity_ID_unique(array_activity_IDs, activity_to_update, total_number_of_activities) == true){
                printf("Invalid ID or activity already completed. Which activity do you want to update? (enter ID): ");
                scanf(" %hu", &activity_to_update);

            }
                
            for (int i = 0; i< number_of_milestones; i++, wp_activities_in_milestones++){
                for (int j = 0; j < *wp_activities_in_milestones; j++){
                    if (activity_to_update == array_milestones[i].activity_list[j].id){
                        update_activity(&(array_milestones[i].activity_list[j]));//Updates the activity according to the inputted ID
                        
                    }          
                }
                update_milestone(&(array_milestones[i]), *wp_activities_in_milestones);//Updates the milestone after the activity accordingly 
            }
            update_project(array_milestones, number_of_milestones, p_activities_in_milestones, &project);//Updates the project after the milestone accrodingly 
        }
		else if (user_input == 2){
			print_project_stats(project, array_milestones, number_of_milestones, p_activities_in_milestones);
        }
        else if (user_input == 3){
            printf("Thank you for using Project Performance Calculator\n\n");
            break;
        }

    }

    return EXIT_SUCCESS;  
}