#include "namesarchive.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

typedef struct node
{
    char *name;
    struct node *left;
    struct node *right;
} Node;

static Node *root = NULL;

static Node *createNameNode(const char *name)
{
    Node *newNode = NULL;
    
    if(name != NULL)
    {
        newNode = calloc(1, sizeof(Node));

        if(newNode != NULL)
        {
            newNode->name = malloc(sizeof(char) * (strlen(name)+1));

            if(newNode->name != NULL)
                strcpy(newNode->name, name);
            else
            {
                free(newNode);
                newNode = NULL;
            }
        }
    }

    return newNode;
}

static Node *addNameRec(Node* root, const char *newName)
{
    if(root == NULL)
        root = createNameNode(newName);
    else if(strcmp(newName, root->name) <= 0)
        root->left = addNameRec(root->left, newName);
    else
        root->right = addNameRec(root->right, newName);

    return root;
}

void addName(const char *name)
{
    root = addNameRec(root, name);
}

static void printNamesRec(Node *root)
{
    if(root != NULL)
    {
        printNamesRec(root->left);
        printf("%s\n", root->name);
        printNamesRec(root->right);
    }
}

void printNames()
{
    printNamesRec(root);
}
/*
static void disposeElem(QueueElem *elem)
{
    if(elem != NULL)
        free(elem->name);
    free(elem);
}

static QueueElem *removeElemRek(QueueElem *elem, const char *name)
{
    if(elem != NULL)
    {
        if(strcmp(elem->name, name) == 0)
        {
            QueueElem *elemToRemove = elem;
            elem = elem->next;
            disposeElem(elemToRemove);
        }
        else
            elem->next = removeElemRek(elem->next, name);
    }
    return elem;
}

void removeName(const char *name)
{
    head = removeElemRek(head, name);
}

static void clearElemRek(QueueElem *elem)
{
    if(elem != NULL)
    {
        clearElemRek(elem->next);
        disposeElem(elem);
    }
}

void clearArchive()
{
    clearElemRek(head);
    head = NULL;
}
*/