/**
 * Test the 5x1x1 game to verify if it's really finished
 * TGN: 1. y 0  2. b Pass  3. 0
 */

import { TrigoGame } from "../inc/trigo/game.js";

const StoneType = {
	EMPTY: 0,
	BLACK: 1,
	WHITE: 2,
};


function printBoard(game: TrigoGame) {
	const shape = game.getShape();
	const board = game.getBoard();
	const stones = [];
	for (let x = 0; x < shape.x; x++) {
		const stone = board[x]?.[0]?.[0];
		if (stone === undefined) {
			stones.push("?");
		} else {
			stones.push(stone === StoneType.BLACK ? "B" : stone === StoneType.WHITE ? "W" : ".");
		}
	}
	console.log(`Board: [${stones.join(", ")}]`);
	console.log(`  Shape: ${shape.x}×${shape.y}×${shape.z}`);
}


console.log("Testing 5x1x1 game from self-play:");
console.log("TGN: 1. y 0  2. b Pass  3. 0");
console.log();

const game = new TrigoGame({ x: 5, y: 1, z: 1 });

console.log("Initial board:");
printBoard(game);
console.log();

// Move 1: Black y (y=3 in 5x1x1)
console.log("Move 1: Black plays y");
game.drop({ x: 3, y: 0, z: 0 });
printBoard(game);

// Move 2: White 0 (x=2, center)
console.log("Move 2: White plays 0");
game.drop({ x: 2, y: 0, z: 0 });
printBoard(game);

// Move 3: Black b (x=1)
console.log("Move 3: Black plays b");
game.drop({ x: 1, y: 0, z: 0 });
printBoard(game);

// Move 4: White Pass
console.log("Move 4: White passes");
game.pass();
printBoard(game);

// Move 5: Black 0 (x=2, center) - should capture White
console.log("Move 5: Black plays 0 (should capture White)");
game.drop({ x: 2, y: 0, z: 0 });
printBoard(game);
console.log();

// Check terminal status
const territory = game.getTerritory();
console.log(`Territory: Black=${territory.black}, White=${territory.white}, Neutral=${territory.neutral}`);
console.log();

// Check if White can still capture
console.log("Checking if White can capture:");
const whiteCanCapture = game.hasCapturingMove(StoneType.WHITE);
console.log(`White has capturing move? ${whiteCanCapture}`);

if (whiteCanCapture) {
	console.log("\n⚠️  WHITE CAN STILL CAPTURE!");
	console.log("Simulating White's capturing move:");

	// Try all positions for White
	const shape = game.getShape();
	const board = game.getBoard();
	for (let x = 0; x < shape.x; x++) {
		if (board[x][0][0] === StoneType.EMPTY) {
			// Create a test game to try this move
			const testGame = TrigoGame.fromJSON(game.toJSON());
			try {
				testGame.drop({ x, y: 0, z: 0 });
				const testBoard = testGame.getBoard();
				const testStones = [];
				for (let i = 0; i < shape.x; i++) {
					const stone = testBoard[i][0][0];
					testStones.push(stone === StoneType.BLACK ? "B" : stone === StoneType.WHITE ? "W" : ".");
				}
				console.log(`  If White plays at x=${x}: [${testStones.join(", ")}]`);

				// Check if this captured any Black stones
				const capturedInMove = testGame.getCurrentStep()?.captured || [];
				if (capturedInMove.length > 0) {
					console.log(`    ✓ This move captures ${capturedInMove.length} Black stone(s)!`);
				}
			} catch (e) {
				// Move not valid (suicide, etc.)
			}
		}
	}
}

console.log();
console.log("Checking if Black can capture:");
const blackCanCapture = game.hasCapturingMove(StoneType.BLACK);
console.log(`Black has capturing move? ${blackCanCapture}`);

console.log();
console.log("=".repeat(80));
console.log("CONCLUSION:");
if (!whiteCanCapture && !blackCanCapture) {
	console.log("✓ Game is correctly finished - no captures possible");
} else {
	console.log("✗ Game should NOT be finished - captures still possible!");
}
console.log("=".repeat(80));