header

#pragma once

//Header file for the game
//This contains declaration of function signatures and structs

struct Deck {
    int* cards; //an array of cards
    int deck_size;  //the size of the deck
    int* cnt_top;   //the index to the top card;
};

struct PlayPile {
    int is_ascending; //true = ASCENDING false = DESCENDING pile
    int pile_size; //the current size of the pile
    int top_card;  //the value of the top card
};

struct Player {
    int cards[8];   //player's hand
    int max_hand_size; //the maximum hand size of a player
    int hand_size;  //the size of the current hand
};

struct TheGame {
    Deck draw_deck;     //the drawdeck
    PlayPile play_piles[4]; //4 play piles
    Player players[5];  //maximum 5 players
    int num_players;    //number of players
    int turns;          //the number of turns
};

void swapInt(int* a, int* b);

void sortIntArray(int* array, int size);

//Deck related functions
void initialise_deck(Deck* deck, int decksize);

void display_deck(const Deck* deck);

void cleanup_deck(Deck* deck);

void shuffle_deck(Deck* deck, int times);

//Game related functions
TheGame* create_new_game(int num_players);

void initialise_game(TheGame* game, int num_players);

bool is_game_ended(const TheGame* game);

int calculate_game_score(const TheGame* game);

void display_game_state(const TheGame* game);

void cleanup_game(TheGame* game);

//Play pile related functions
void initialise_play_pile(PlayPile* pile, bool ascending);

//Player related functions
void initialise_player(Player* player, int hand_size, Deck* deck);

//check if the value of card can be played into the pile;
bool is_play_valid(int card, PlayPile* pile);

void display_player_hand(const Player* player);

//The input player draws a number of card specified by count from the deck
//The function returns the actual number of card drawn.
int player_draw_cards_from_deck(Player* player, Deck* deck, int count);

bool player_play_card_to_pile(Player* player, int whichcard, PlayPile* pile);

//Player takes a game turn
//This function returns the number cards the player
//played in this turn.
int player_process_turn(TheGame* game, Player* player);