Baseplate Geometry

// Planned API (not yet implemented)
import { generateBaseplatePreview, generateBaseplateExport } from '@/gridfinity/baseplateGeometry';
import type { ManifoldToplevel } from 'manifold-3d';

// Planned interface
interface BaseplateConfig {
  cols: number;              // Grid columns
  rows: number;              // Grid rows
  cornerRadius: number;      // Socket corner radius (typically 4.0mm)
  magnets?: boolean;         // Enable magnet recesses
  screws?: boolean;          // Enable mounting screw holes
  counterSink?: boolean;     // Countersink screw holes
  baseThickness?: number;    // Baseplate thickness (typically 6.4mm)
}

Top View (Z = 0, baseplate surface):
  ┌─────────────────────┐
  │   ┌───────────┐     │
  │   │  Socket   │     │  Cell boundary: 42mm
  │   │  Cavity   │     │  Socket inset: varies by layer
  │   └───────────┘     │
  └─────────────────────┘

Side View (YZ plane):
  ─────────────────────── Z = 0 (top surface)
      │         │
      │ Socket  │ Layer 1: 0.8mm depth, 4.4mm inset
      ├─────────┤ Layer 2: chamfer to 2.8mm inset
      │         │ Layer 3: straight section
      ├─────────┤ Layer 4: chamfer to 1.2mm inset
      │         │ Layer 5: narrow base
  ────┴─────────┴──────── Z = -4.75mm (socket bottom)
  ━━━━━━━━━━━━━━━━━━━━━━━ Base slab continues
  ━━━━━━━━━━━━━━━━━━━━━━━ Z = -6.4mm (baseplate bottom)

function generateBaseplatePreview(
  wasm: ManifoldToplevel,
  config: BaseplateConfig,
): Manifold

function generateBaseplateExport(
  wasm: ManifoldToplevel,
  config: BaseplateConfig,
): Manifold

// Bin base profile (upward from Z=0)
const BIN_PROFILE = [
  { zStart: 0.00, shrinkBot: 4.40, shrinkTop: 4.40 },
  { zStart: 0.80, shrinkBot: 4.40, shrinkTop: 2.80 },
  // ... layers 3, 4, 5
];

// Baseplate socket profile (downward from Z=0)
const SOCKET_PROFILE = [
  { zStart: 0.00, expandBot: 4.40, expandTop: 4.40 },
  { zStart: -0.80, expandBot: 4.40, expandTop: 2.80 },
  // ... inverted layers
];

const halfCell = GF.CELL_SIZE / 2;
const magnetInset = GF.MAGNET_INSET;

// Four corners per cell
const magnetPositions = [
  [offsetX - halfCell + magnetInset, offsetY - halfCell + magnetInset],
  [offsetX + halfCell - magnetInset, offsetY - halfCell + magnetInset],
  [offsetX - halfCell + magnetInset, offsetY + halfCell - magnetInset],
  [offsetX + halfCell - magnetInset, offsetY + halfCell - magnetInset],
];

import wasm from 'manifold-3d';
import { generateBaseplateExport } from '@/gridfinity/baseplateGeometry';
import { GF } from '@/gridfinity/constants';

const manifold = await wasm();

const baseplateGeometry = generateBaseplateExport(manifold, {
  cols: 6,
  rows: 6,
  cornerRadius: GF.BASE_CORNER_RADIUS,
  magnets: true,
  screws: true,
  counterSink: true,
  baseThickness: GF.BASEPLATE_HEIGHT,
});

// Export to 3MF
const mesh = manifoldToTriangleMesh(baseplateGeometry);
const blob = await exportTo3MF([{ mesh, name: 'Baseplate 6x6' }]);

GF.CELL_SIZE = 42;           // mm per grid cell
GF.BASEPLATE_HEIGHT = 6.4;   // mm total baseplate height
GF.BASE_TOTAL_HEIGHT = 4.75; // mm socket depth
GF.BASE_CORNER_RADIUS = 4.0; // mm socket corner radius
GF.TOLERANCE = 0.5;          // mm fit clearance

// Phase 2: Manifold CSG baseplate geometry generation

export {};