acht-damen-tuerme-problem/app/templates/dashboard.html

<!DOCTYPE html>
<html lang="de">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Dashboard</title>

    <link rel="stylesheet" href="../static/css/dashboard.css">
</head>

<body>

    <!-- 🔝 Navbar -->
    <nav class="navbar">
        <div class="nav-left">♛ 8-Queens App</div>
        <div class="nav-right">
            <a href="{{ url_for('main.dashboard') }}">Dashboard</a>
            <a href="{{ url_for('login.logout') }}">Logout</a>
        </div>
    </nav>

    <!-- 📦 Container -->
    <div class="container">

        <!-- 👤 User Card -->
        <div class="card">
            <h2>👋 Willkommen, {{ current_user.username }}</h2>

            <div class="user-info">
                <p><strong>ID:</strong> {{ current_user.id }}</p>
                <p><strong>Username:</strong> {{ current_user.username }}</p>

                {% if current_user.email %}
                <p><strong>Email:</strong> {{ current_user.email }}</p>
                {% else %}
                <p><strong>Email:</strong> Not set</p>
                {% endif %}

                <p><strong>Erstellt:</strong> {{ current_user.created_at }}</p>
            </div>

            <form action="{{ url_for('login.logout') }}" method="post">
                <button class="btn danger" type="submit">Logout</button>
            </form>
        </div>

        <!-- ♟️ Game Card -->
        <div class="card game-card">
            <h2>♟️ 8-Damen Spiel</h2>

            <div class="board" id="board"></div>

            <div class="controls">
                <button class="btn" onclick="solve()">Solve</button>
                <button class="btn secondary" onclick="resetBoard()">Reset</button>
            </div>
        </div>

    </div>

    <script>
        let board = Array(8).fill(-1);
        const boardDiv = document.getElementById("board");

        function getConflicts() {
            let conflicts = [];

            for (let r1 = 0; r1 < 8; r1++) {
                if (board[r1] === -1) continue;

                for (let r2 = r1 + 1; r2 < 8; r2++) {
                    if (board[r2] === -1) continue;

                    let c1 = board[r1];
                    let c2 = board[r2];

                    if (
                        c1 === c2 ||
                        Math.abs(c1 - c2) === Math.abs(r1 - r2)
                    ) {
                        conflicts.push([r1, c1]);
                        conflicts.push([r2, c2]);
                    }
                }
            }

            return conflicts;
        }

        function drawBoard() {
            boardDiv.innerHTML = "";
            const conflicts = getConflicts();

            for (let row = 0; row < 8; row++) {
                for (let col = 0; col < 8; col++) {

                    const cell = document.createElement("div");
                    cell.classList.add("cell");

                    if ((row + col) % 2 === 0) {
                        cell.classList.add("white");
                    } else {
                        cell.classList.add("black");
                    }

                    if (board[row] === col) {
                        cell.textContent = "♛";

                        if (conflicts.some(([r, c]) => r === row && c === col)) {
                            cell.classList.add("invalid");
                        }
                    }

                    cell.onclick = () => placeQueen(row, col);
                    boardDiv.appendChild(cell);
                }
            }
        }

        function placeQueen(row, col) {
            if (board[row] === col) {
                board[row] = -1;
            } else {
                board[row] = col;
            }
            drawBoard();
        }

        async function solve() {
            const res = await fetch("/solve");
            const solutions = await res.json();

            board = solutions[0];
            drawBoard();
        }

        function resetBoard() {
            board = Array(8).fill(-1);
            drawBoard();
        }

        drawBoard();
    </script>

</body>

</html>