/** Build the foundation of the house
 *
 * @param position coordinate that specify where the house should be built. come in as [x,y,z]
 * @param windows an int that can be 0,1,2 for increasing frequencies of windows
 * @param doors a boolean that has doors for room or no doors (if ur crazy ig)
 */
function buildHouse(position, windows, doors){
    // randomly initalize a space for a 3D matrix (make sure its big enough)
    const minSize = 30; // Minimum size for width, length, height
    const randomness = 20; // Maximum randomness to add
    const width = Math.floor(Math.random() * (randomness + 1)) + minSize;
    const length = Math.floor(Math.random() * (randomness + 1)) + minSize;
    const height = Math.floor(Math.random() * (randomness + 1)) + minSize;


    // slice up the space ensuring each compartment has at least 4x4x2 space.
    const resultMatrix = generateAbstractHouse(width, length, height, 3);
    console.log(resultMatrix)


    // todo: then, internally do things like windows / stairs / doors/ etc...
}


/**
 *
 * @param m - length (x-axis)
 * @param n - width (y-axis)
 * @param p - depth (z-axis, how many layers)
 * @param compartmentCount
 * @returns {any[][][]}
 */
function generateAbstractHouse(m, n, p, compartmentCount = 5) {
    const matrix = Array.from({ length: p }, () =>
        Array.from({ length: m }, () =>
            Array(n).fill('air')
        )
    );

    // Mark entire outer border with 'stone'
    for (let z = 0; z < p; z++) {
        for (let x = 0; x < m; x++) {
            for (let y = 0; y < n; y++) {
                if (
                    z === 0 || z === p - 1 || // Top and bottom faces
                    x === 0 || x === m - 1 || // Front and back faces
                    y === 0 || y === n - 1    // Left and right faces
                ) {
                    matrix[z][x][y] = 'stone';
                }
            }
        }
    }

    const usedSpaces = new Set();

    // Loop that places rooms
    for (let roomCount = 0; roomCount < compartmentCount; roomCount++) {
        const length = Math.max(4, Math.floor(Math.random() * 6) + 4);
        const width = Math.max(4, Math.floor(Math.random() * 6) + 4);
        const depth = Math.max(3, Math.floor(Math.random() * 6) + 4);

        let roomPlaced = false;

        for (let attempt = 0; attempt < 50; attempt++) {
            const x = Math.floor(Math.random() * (m - length - 1)) + 1;
            const y = Math.floor(Math.random() * (n - width - 1)) + 1;
            const z = Math.floor(Math.random() * (p - depth - 1)) + 1;

            // Check space availability, excluding room's own edges (so that walls/ceilings can be shared)
            console.log(`Attempting room: ${length}x${width}x${depth}`);

            const spaceAvailable = !Array.from({ length: depth }).some((_, di) =>
                Array.from({ length: length }).some((_, dj) =>
                    Array.from({ length: width }).some((_, dk) =>
                        // Exclude room's own edges from check
                        (di !== 0 && di !== depth - 1 &&
                            dj !== 0 && dj !== length - 1 &&
                            dk !== 0 && dk !== width - 1) &&
                        usedSpaces.has(`${x + dj},${y + dk},${z + di}`)
                    )
                )
            );

            if (spaceAvailable) {
                for (let di = 0; di < depth; di++) {
                    for (let dj = 0; dj < length; dj++) {
                        for (let dk = 0; dk < width; dk++) {
                            const spaceKey = `${x + dj},${y + dk},${z + di}`;
                            usedSpaces.add(spaceKey);

                            if (
                                z + di >= 0 && z + di < p &&
                                x + dj >= 0 && x + dj < m &&
                                y + dk >= 0 && y + dk < n
                            ) {
                                // Mark only the outer edges of the room
                                if (di === 0 || di === depth - 1 ||
                                    dj === 0 || dj === length - 1 ||
                                    dk === 0 || dk === width - 1) {
                                    matrix[z + di][x + dj][y + dk] = 'stone';
                                }
                            }
                        }
                    }
                }


                roomPlaced = true;
                break;
            }
        }

        if (!roomPlaced) {
            console.warn(`Could not place room ${roomCount}`);
        }
    }

    // TODO: Convert layers matrix into the right format

    return matrix;
}


//todo: new sequetial funciton
/**
 *
 * @param matrix
 */
function randomSequentialHouse(m,n,p,rooms){
    // place 1 room randomly on the ground floor
    //while the total number of rooms has not been reached
}



function printMatrix(matrix) {
    matrix.forEach((layer, layerIndex) => {
        console.log(`Layer ${layerIndex}:`);
        layer.forEach(row => {
            console.log(
                row.map(cell => cell === 'stone' ? '█' : '.').join(' ')
            );
        });
        console.log('---');
    });
}

const resultMatrix = generateAbstractHouse(10, 20, 6, 6);
printMatrix(resultMatrix)








/**
 * todo: Given a matrix, turn it into a blueprint
 */