refactor solvers

app/src/main/java/gui/menu/SudokuView.java

@@ -1,12 +1,14 @@
 package gui.menu;
 
-import java.util.Random;
 import java.util.concurrent.CancellationException;
 
 import gui.SudokuRenderer;
 import imgui.ImGui;
 import imgui.ImGuiStyle;
 import sudoku.io.SudokuSerializer;
+import sudoku.solver.BacktrackingSolver;
+import sudoku.solver.HumanSolver;
+import sudoku.solver.MixedSolver;
 import sudoku.solver.Solver;
 import sudoku.structure.MultiDoku;
 
@@ -66,41 +68,29 @@ public class SudokuView extends BaseView {
 			stopResolve();
 	}
 
+	private void startSolve(Solver solver) {
+		resolveThread = new Thread(() -> {
+			try {
+				solver.solve(this.doku);
+			} catch (CancellationException e) {
+				System.out.println("The user is bored !");
+			}
+			stopResolve();
+		});
+	}
+
 	private void renderSolvePopup() {
 		if (ImGui.beginPopup("solve")) {
 			if (ImGui.button("Résoudre avec backtrace")) {
-				resolveThread = new Thread(() -> {
-					try {
-						Random rand = new Random();
-						Solver.randomSolve(doku, rand);
-					} catch (CancellationException e) {
-						System.out.println("The user is bored !");
-					}
-					stopResolve();
-				});
+				startSolve(new BacktrackingSolver());
 				ImGui.closeCurrentPopup();
 			}
 			if (ImGui.button("Résoudre avec déduction")) {
-				resolveThread = new Thread(() -> {
-					try {
-						Solver.humanSolve(doku);
-					} catch (CancellationException e) {
-						System.out.println("The user is bored !");
-					}
-					stopResolve();
-				});
+				startSolve(new HumanSolver());
 				ImGui.closeCurrentPopup();
 			}
 			if (ImGui.button("Résoudre avec déduction et backtrace")) {
-				resolveThread = new Thread(() -> {
-					try {
-						Random rand = new Random();
-						Solver.mixedSolve(doku, rand);
-					} catch (CancellationException e) {
-						System.out.println("The user is bored !");
-					}
-					stopResolve();
-				});
+				startSolve(new MixedSolver());
 				ImGui.closeCurrentPopup();
 			}
 			ImGui.endPopup();