/* Final exam of Fundamentals in Programming in FTN, Novi Sad, Serbia for a Erasmus Student: Alejandro Fern�ndez.
                        Academic year: 2021/22. */

                        //Libraries of C Programming...
                        #define _CRT_SECURE_NO_WARNINGS
                        #include 
                        #include 

                        //To define ctes....
                        #define STRING_CHARACTERS 21
                        #define MAX_TEAMS 32

                        //To define the struct of the teams in the FIFA World Cup...
                        typedef struct{
                            char team[STRING_CHARACTERS];
                            char selector[STRING_CHARACTERS];
                            int previous_rank;
                            float average_age;
                            int legend;
                            int injuries;
                            float chance_win;
                        }club;

                        //Headers of the Functions and Procedures...
                        void enterTeam();
                        void displayTeams();
                        int searchTeam();
                        void displaySUCHteam();
                        void bettingOdds();

                        void main()
                        {
                            //To declare variables...
                            int option, contteam = 0, address;

                            //To declare the struct...
                            club football[MAX_TEAMS];

                            //Start the Program....
                            printf("\n");
                            do{
                                printf("\n");
                                printf("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n");
                                printf("$$$$$$$$$                 FIFA WORLD CUP 2022                 $$$$$$$$$\n");
                                printf("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n");
                                printf("$             MENU OF THE PROGRAM:                                    $\n");
                                printf("$                                                                     $\n");
                                printf("$ 1. Enter a team.                                                    $\n");
                                printf("$ 2. Display all teams.                                               $\n");
                                printf("$ 3. Team search.                                                     $\n");
                                printf("$ 4. Betting odds.                                                    $\n");
                                printf("$ 5. Sort teams according to betting odds.                            $\n");
                                printf("$ 0. Exit of the program.                                             $\n");
                                printf("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n");
                                printf("Which option do you want to choose? : ");
                                scanf("%d", &option);
                                printf("\n");
                                switch(option)
                                {
                                    case 1:
                                        enterTeam(football, &contteam);
                                        break;
                                    case 2:
                                        displayTeams(football, &contteam);
                                        break;
                                    case 3:
                                        address = searchTeam(football, &contteam);
                                        if(address == -1)
                                        {
                                            printf("\nDOES NOT EXIT SUCH TEAM, SORRY!\n");
                                        }
                                        else
                                        {
                                            displaySUCHteam(football, &address);
                                        }
                                        break;
                                    case 4:
                                        bettingOdds(football, &contteam);
                                        break;
                                    case 5:
                                        printf("\n\nI HAVE NOT HAD TIME TO DO THIS CASE! SORRY.\n\n");
                                        break;
                                    case 0:
                                        printf("\nEND OF THE PROGRAM!!!");
                                        printf("\nGOOD BYE!!!\n\n");
                                        break;
                                    default:
                                        printf("\nPlease, introduce a correct option!\n\n");
                                }

                            }while(option != 0);
                        }

                        //Functions and Procedures...
                        void enterTeam(club football[], int *cont)
                        {
                            //Variables only for the function...
                            int i, compare;

                            //Main part of the program...
                            do
                            {
                                printf("Please, introduce the name of the team %d: ", *cont+1);
                                fflush(stdin);
                                fgets(football[*cont].team,STRING_CHARACTERS,stdin);
                                for(i=0; i<*cont; i++)
                                {
                                    compare = strcmp(football[*cont].team,football[i].team);
                                    if(compare == 0)
                                    {
                                        printf("\nPlease, introduce another team that it is not used!\n");
                                        i = *cont;
                                    }
                                }

                            }while(compare == 0);
                            printf("Please, introduce the selector of the team %d: ", *cont+1);
                            fflush(stdin);
                            fgets(football[*cont].selector,STRING_CHARACTERS,stdin);
                            printf("Please, introduce the Rank of the team %d in the previous world cup (if the team was not in the last World Cup, enter 100): ", *cont+1);
                            scanf("%d", &football[*cont].previous_rank);
                            printf("Please, introduce the average age of the players in the team %d: ", *cont+1);
                            scanf("%f", &football[*cont].average_age);
                            printf("Please, introduce the number of legends (extraordinary players) in the team %d: ", *cont+1);
                            scanf("%d", &football[*cont].legend);
                            printf("Please, introduce the number of hurt players in the team %d: ", *cont+1);
                            scanf("%d", &football[*cont].injuries);
                            football[*cont].chance_win = 0.0;
                            printf("\n\n");
                            *cont += 1;
                            displayTeams(football, cont);
                        }

                        void displayTeams(club football[], int *cont)
                        {
                            //Variables only for the function...
                            int i;

                            //Main part of the program...
                            printf("\n$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n");
                            printf("$$$$$$$$$       DATA OF ALL TEAMS       $$$$$$$$$\n");
                            printf("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n\n");
                            for(i=0; i<*cont; i++)
                            {
                                printf("\t\tTeam %d\n", i+1);
                                printf("Name of the FC: %s", football[i].team);
                                printf("Name of the Selector: %s", football[i].selector);
                                if(football[i].previous_rank == 1)
                                {
                                    printf("Previous Rank: %dst\n", football[i].previous_rank);
                                }
                                else if(football[i].previous_rank == 2)
                                {
                                    printf("Previous Rank: %dnd\n", football[i].previous_rank);
                                }
                                else if(football[i].previous_rank == 3)
                                {
                                    printf("Previous Rank: %drd\n", football[i].previous_rank);
                                }
                                else
                                {
                                    printf("Previous Rank: %dth\n", football[i].previous_rank);
                                }
                                printf("Average Age: %g\n", football[i].average_age);
                                printf("Number of Legends: %d\n", football[i].legend);
                                printf("Number of injuried players: %d\n", football[i].injuries);
                                printf("Betting odds of the team: %g\n", football[i].chance_win);
                            }
                        }

                        int searchTeam(club football[], int *cont)
                        {
                            //Variables only for the function...
                            int i, direction, compare, found = 0;
                            char name[STRING_CHARACTERS];

                            //Main part of the program...
                            printf("What team do you want to search?: ");
                            fflush(stdin);
                            fgets(name,STRING_CHARACTERS,stdin);
                            for(i=0; i<*cont; i++)
                            {
                                compare = strcmp(name,football[i].team);
                                if(compare == 0)
                                {
                                    found = 1;
                                    direction = i;
                                }
                            }
                            if(found == 0)
                            {
                                direction = -1;
                            }
                            return direction;
                        }

                        void displaySUCHteam(club football[], int *dir)
                        {
                            //Main part of the program...
                            printf("\n$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n");
                            printf("$$$$$$$$$       DATA OF THE TEAM       $$$$$$$$$$\n");
                            printf("$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n\n");
                            printf("\t\tTeam %d\n", *dir+1);
                            printf("Name of the FC: %s", football[*dir].team);
                            printf("Name of the Selector: %s", football[*dir].selector);
                            printf("Previous Rank: %d\n", football[*dir].previous_rank);
                            if(football[*dir].previous_rank == 1)
                            {
                                printf("Previous Rank: %dst\n", football[*dir].previous_rank);
                            }
                            else if(football[*dir].previous_rank == 2)
                            {
                                printf("Previous Rank: %dnd\n", football[*dir].previous_rank);
                            }
                            else if(football[*dir].previous_rank == 3)
                            {
                                printf("Previous Rank: %drd\n", football[*dir].previous_rank);
                            }
                            else
                            {
                                printf("Previous Rank: %dth\n", football[*dir].previous_rank);
                            }
                            printf("Average Age: %g\n", football[*dir].average_age);
                            printf("Number of Legends: %d\n", football[*dir].legend);
                            printf("Number of injuried players: %d\n", football[*dir].injuries);
                            printf("Betting odds of the team: %g\n", football[*dir].chance_win);
                        }

                        void bettingOdds(club football[], int *cont)
                        {
                            //Variables only for the function...
                            int i;

                            //Main part of the program...
                            for(i=0; i<*cont; i++)
                            {
                                football[i].chance_win = ((1.5 * ((float)football[i].injuries+1.0)) + (2.0 * (float)football[i].previous_rank))/((float)football[i].legend+1.0);
                                if(football[i].chance_win < 1.05)
                                {
                                    football[i].chance_win = 1.05;
                                }
                            }
                            displayTeams(football, cont);
                        }