//
//  main.c
//  Adventure Game
//
//  Created by Shahin on 2015-03-11.
//  Copyright (c) 2015 98% Chimp. All rights reserved.
//

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

typedef struct room {
    struct room *north;
    struct room *south;
    struct room *east;
    struct room *west;
    int x;
}Room;

typedef struct player{
    Room *currentRoom;
    int health;
    Room *exitsAvailable;
}Player;

void movePlayer(Player *myPlayer, Room *myRoom);
void functionStatus();
void playerStatus(Player *myPlayer);

Room *roomCreator();
void appendRoom(Room *roomOrigin, Room *nextRoom);
Room *createGrid(int numberOfRooms);
void scanMovement(Player *currentPlayer);

int main(int argc, const char * argv[]) {
    bool isRunning = true;
    
    Room *room1 = createGrid(4);
    
    printf("%d\n", room1->x);
    
    Player *loligan = (Player *)malloc(sizeof(Player));
    loligan->health = 10;
    loligan->currentRoom = room1;
    playerStatus(loligan);
    
    //    playerStatus(loligan);
    //    movePlayer(loligan, loligan->currentRoom->east);
    //    playerStatus(loligan);
    //    movePlayer(loligan, loligan->currentRoom->east);
    //    playerStatus(loligan);
    //    movePlayer(loligan, loligan->currentRoom->east);
    
    
    while (isRunning) {
        scanMovement(loligan);
        movePlayer(loligan, loligan->currentRoom->east);
        playerStatus(loligan);
    }
    
    return 0;
}

Room *roomCreator(){
    Room *builtRoom = (Room *)malloc(sizeof(Room));
    return builtRoom;
}

void appendRoom(Room *roomOrigin, Room *nextRoom){
    if ( (roomOrigin != NULL) && (nextRoom != NULL)){
        roomOrigin->east = nextRoom;
        nextRoom->west = roomOrigin;
        if (nextRoom->x == 0){
            nextRoom->west = NULL;}
        if (nextRoom->x == 3){
            nextRoom->east = NULL;
        }
    }
}

void playerStatus (Player *myPlayer) {
    printf("your health is: %d\n", myPlayer->health);
    printf("your location is: %d\n", myPlayer->currentRoom->x);
    printf("you can go: ");
    if (myPlayer->currentRoom->east != NULL) {
        printf("East, \n");
    }
    if (myPlayer->currentRoom->west != NULL) {
        printf("West.\n");
    }
}

void movePlayer(Player *myPlayer, Room *myRoom){
    myPlayer->currentRoom = myRoom;
}

Room *createGrid(int numberOfRooms){
    
    if ( numberOfRooms == 0){
        return NULL;
    }
    
    Room *originRoom = roomCreator();
    Room *previousRoom = originRoom;
    
    for ( int i = 0; i < numberOfRooms; i++){
        previousRoom->x = i;
        Room *linkRoom = roomCreator();
        appendRoom(previousRoom, linkRoom);
        previousRoom = linkRoom;
    }

    return originRoom;
}

void scanMovement(Player *currentPlayer) {
    char *movePerson;
    scanf("%s", movePerson);
    if (strcmp(movePerson, "e")) {
        movePlayer(currentPlayer, currentPlayer->currentRoom->east);
    }
    if (strcmp(movePerson, "w")) {
        movePlayer(currentPlayer, currentPlayer->currentRoom->west);
    }
}