#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "packing.h"


int main(int argc, char **argv){
	//check arguments
  	if (argc != 3){
		printf("usage: ./proj3 <input_file> <output_file>\n");
		return EXIT_FAILURE;
    }
    
    // read data
    int numnodes = 0;
    int numboxes = 0;
    Node *array = load_file(argv[1], &numnodes, &numboxes);
    if(array == NULL){ // check for error
    	printf("File read error.");
    	return EXIT_FAILURE;
    }
    
    // create tree
    Node *root = set_pointers(array, numnodes);
    
	// pack
    clock_t packingClock = clock(); // track packing time
	double packingTime = 0;
	set_values(root);
    packingClock = clock() - packingClock; // time after packing
    packingTime = packingTime + ((double) packingClock) / CLOCKS_PER_SEC;
    
    // print to stdout
    printf("Preorder: ");
    print_node_numbers_preorder(root);
    printf("\n\n");

	printf("Inorder: ");
    print_node_numbers_inorder(root);
	printf("\n\n");

	printf("Postorder: ");
    print_node_numbers_postorder(root);
	printf("\n\n");
    
    printf("Width: %le\n", root->width);
    printf("Height: %le\n", root->height);
    printf("\n");
    
    printf("X-coordinate: %le\n", array[numboxes - 1].xcord);
    printf("Y-coordinate: %le\n", array[numboxes - 1].ycord);
    printf("\n");
    
    printf("Elapsed time: %le\n", packingTime);
    printf("\n");
   
   	// save boxes
   	save_boxes(argv[2], array, numboxes); 
    
    // clean up
    free(array); // free memory
	return EXIT_SUCCESS; // exit
}