main.php

<?php
/**
 * @author: Alejandro Martínez Peregrina
 * @date: 8/01/19
 */
require __DIR__ . '/init.php';

use TalentedPanda\PuzzleProblem\DependencyInjection\ContainerLoader;
use TalentedPanda\PuzzleProblem\Model\Exception\NonExistentPieceException;
use TalentedPanda\PuzzleProblem\Model\Exception\NonValidFilePathException;
use TalentedPanda\PuzzleProblem\Model\Exception\NonValidPieceException;
use TalentedPanda\PuzzleProblem\Model\Exception\NonValidPiecesBagException;

try {
    printf("Welcome to the Puzzle Solver Application, made using blacktrack algorithm. \n");
    printf("Puzzles are located by default in: '" . ContainerLoader::instance()->getParameter('default_puzzle_path') . "'.\n");
    printf("If you want to add any new puzzle, please copy to this folder and give it '.txt' extension. \n");
    printf("Please, write the name of the file to solve the puzzle (without extension, i.e: '5x5'):");

    $fileName = trim(fgets(STDIN));

    $input = (ContainerLoader::instance()->get(
        'talented_panda.puzzle_problem.service.input_handler'
    )->handle($fileName));

    print_r("\nSolving the puzzle...please be patient. \n");

    $response = ContainerLoader::instance()->get(
        'talented_panda.puzzle_problem.controller.puzzle'
    )->solvePuzzleFromInputAction($input);

} catch (NonValidFilePathException $nonValidFilePathException) {
    printf($nonValidFilePathException->getMessage());
    exit;
} catch (NonValidPiecesBagException $nonValidPiecesBagException) {
    print_r($nonValidPiecesBagException->getMessage() . "\n");
    exit;
} catch (NonExistentPieceException $nonExistentPieceException) {
    print_r($nonExistentPieceException->getMessage() . "\n");
    exit;
} catch (NonValidPieceException $nonValidPieceException) {
    print_r($nonValidPieceException->getMessage() . "\n");
    exit;
} catch (Exception $exception) {
    printf("\n\nAn error was occurred while trying to load any service.");
    exit;
}