package gui.menu;

import imgui.ImGui;
import imgui.type.ImInt;
import sudoku.solver.Solver;
import sudoku.structure.Cell;
import sudoku.structure.MultiDoku;
import sudoku.structure.Sudoku;
import sudoku.structure.SudokuFactory;

public class SoloMenu extends BaseView {

	private final ImInt sudokuType = new ImInt(0);
	private static final String[] sudokuTypes = { "Carré", "Rectangle", "Multidoku" };
	private static final int SQUARE = 0, RECTANGLE = 1, MULTIDOKU = 2;

	private final ImInt sudokuSize = new ImInt(3);

	private final ImInt sudokuWidth = new ImInt(3);
	private final ImInt sudokuHeight = new ImInt(3);

	public SoloMenu(StateMachine stateMachine) {
		super(stateMachine);
	}

	private void pushSudokuState(MultiDoku doku, boolean empty) {
		if (!empty) {
			try {
				int level = 0;
				for (Sudoku sudoku : doku.getSubGrids()) {
					level += sudoku.getSize() * sudoku.getSize() / 10 * 3;
				}
				Solver.solve(doku);
				level = (level - 1) / doku.getNbSubGrids();
				SudokuFactory.newDokuFromFilledOne(doku, level);
				for (Sudoku sudoku : doku.getSubGrids()) {
					for (Cell cell : sudoku.getCells()) {
						if (cell.getSymbolIndex() != Cell.NOSYMBOL) {
							cell.setImmutable();
						}
					}
				}
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
		this.stateMachine.pushState(new SudokuView(stateMachine, doku));
	}

	@Override
	public void render() {
		ImGui.text("Solo");
		ImGui.combo("Type de Sudoku", sudokuType, sudokuTypes);
		switch (sudokuType.get()) {
			case SQUARE:
				ImGui.inputInt("Taille", sudokuSize);
				if (ImGui.button("Résoudre un sudoku")) {
					pushSudokuState(SudokuFactory.createBasicEmptySquareSudoku(sudokuSize.get()), false);
				}
				if (ImGui.button("Générer une grille vide")) {
					pushSudokuState(SudokuFactory.createBasicEmptySquareSudoku(sudokuSize.get()), true);
				}
				break;

			case RECTANGLE:
				ImGui.inputInt("Largeur", sudokuHeight);
				ImGui.inputInt("Longueur", sudokuWidth);
				if (ImGui.button("Résoudre un sudoku")) {
					pushSudokuState(
							SudokuFactory.createBasicEmptyRectangleSudoku(sudokuWidth.get(), sudokuHeight.get()),
							false);
				}
				if (ImGui.button("Générer une grille vide")) {
					pushSudokuState(
							SudokuFactory.createBasicEmptyRectangleSudoku(sudokuWidth.get(), sudokuHeight.get()), true);
				}
				break;

			case MULTIDOKU:
				ImGui.inputInt("Taille", sudokuSize);
				if (ImGui.button("Résoudre un sudoku")) {
					pushSudokuState(SudokuFactory.createBasicSquareMultidoku(sudokuSize.get()), false);
				}
				if (ImGui.button("Générer une grille vide")) {
					pushSudokuState(SudokuFactory.createBasicSquareMultidoku(sudokuSize.get()), true);
				}

			default:
				break;
		}
		renderReturnButton();
	}

}