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<?php |
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namespace CoenMooij\Sudoku; |
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use CoenMooij\Sudoku\Generator\HintGenerator; |
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use CoenMooij\Sudoku\Generator\PuzzleGenerator; |
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use CoenMooij\Sudoku\Generator\SolutionGenerator; |
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use CoenMooij\Sudoku\Puzzle\Difficulty; |
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use CoenMooij\Sudoku\Puzzle\Location; |
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use CoenMooij\Sudoku\Puzzle\Puzzle; |
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use CoenMooij\Sudoku\Solver\BacktrackSolver; |
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use CoenMooij\Sudoku\Solver\SimpleSolver; |
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use CoenMooij\Sudoku\Validator\GridValidator; |
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class SudokuService |
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{ |
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/** |
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* @var SimpleSolver |
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*/ |
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private $simpleSolver; |
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/** |
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* @var SolutionGenerator |
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*/ |
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private $solutionGenerator; |
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/** |
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* @var PuzzleGenerator |
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*/ |
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private $puzzleGenerator; |
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/** |
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* @var BacktrackSolver |
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*/ |
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private $backtrackSolver; |
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/** |
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* @var HintGenerator |
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*/ |
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private $hintGenerator; |
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public function __construct( |
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HintGenerator $hintGenerator, |
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SolutionGenerator $solutionGenerator, |
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PuzzleGenerator $puzzleGenerator, |
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BacktrackSolver $backtrackSolver, |
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SimpleSolver $simpleSolver |
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) { |
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$this->hintGenerator = $hintGenerator; |
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$this->solutionGenerator = $solutionGenerator; |
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$this->puzzleGenerator = $puzzleGenerator; |
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$this->backtrackSolver = $backtrackSolver; |
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$this->simpleSolver = $simpleSolver; |
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} |
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public function getHint(Puzzle $puzzle): Location |
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{ |
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return $this->hintGenerator->generateOne($puzzle->getGrid()); |
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} |
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/** |
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* @return Location[] |
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*/ |
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public function getHints(Puzzle $puzzle): array |
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{ |
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return $this->hintGenerator->generateAll($puzzle->getGrid()); |
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} |
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public function simpleSolve(Puzzle $puzzle): Puzzle |
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{ |
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$solvedGrid = $this->simpleSolver->solve($puzzle->getGrid()); |
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$puzzle->setGrid($solvedGrid); |
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return $puzzle; |
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} |
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public function solve(Puzzle $puzzle): Puzzle |
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{ |
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$grid = $this->simpleSolver->solve($puzzle->getGrid()); |
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if ($grid->numberOfEmptyValues() > 0) { |
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$grid = $this->backtrackSolver->solve($grid); |
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} |
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$puzzle->setGrid($grid); |
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return $puzzle; |
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} |
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public function generatePuzzle(Difficulty $difficulty): Puzzle |
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{ |
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$solution = $this->solutionGenerator->generate(); |
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return $this->puzzleGenerator->generate($solution, $difficulty); |
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} |
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public function puzzleIsValid(Puzzle $puzzle): bool |
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{ |
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return GridValidator::gridIsValid($puzzle->getGrid()); |
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} |
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} |
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coenmooij /
sudoku
