#include "list.h"
#include <stdio.h>
#include <stdlib.h>
#include "../sprite.h"

Node * ListCreateNode(Sprite *data){
    Node *new = (Node *) malloc(sizeof(Node));
    new->data = *data;
    return new;
}

void ListPrintForward(List *list){
    Node *current = list->head;
    
    printf("\n[\n");
    while(current != 0){
        printf("(%f | %f),\n", current->data.x, current->data.y);
        current = current->next;
    }
    printf("]\n");
}

void ListInsertFront(List *list, Sprite *data){
    Node *new = ListCreateNode(data);

    if(list->head == 0){
        list->head = new;
        list->tail = new;
    }
    else if(list->head == list->tail){
        list->head = new;
        list->head->next = list->tail;
        list->tail->prev = list->head;
    }
    else{
        list->head->prev = new;
        new->next = list->head;
        list->head = new;
    }
}

void ListInsertBack(List *list, Sprite *data){
    Node *new = ListCreateNode(data);

    if(list->head == 0){
        list->head = new;
        list->tail = new;
    }
    else if(list->head == list->tail){
        list->tail = new;
        list->head->next = list->tail;
        list->tail->prev = list->head;
    }
    else{
        list->tail->next = new;
        new->prev = list->tail;
        list->tail = new;
    }
}

List * ListInit(){
    List *newList = (List *) malloc(sizeof(List));
    newList->head = 0;
    newList->tail = 0;
    return newList;
}