import 'package:flutter/material.dart';

/// Grille responsive pour les cartes machines (téléphone → tablette).
abstract final class MachineGridLayout {
  static const _minTileWidth = 155.0;
  static const _maxTileWidth = 190.0;

  static SliverGridDelegate delegate(BuildContext context) {
    final width = MediaQuery.sizeOf(context).width;
    const padding = 32.0;
    final available = width - padding;

    if (available > _maxTileWidth * 3) {
      return const SliverGridDelegateWithMaxCrossAxisExtent(
        maxCrossAxisExtent: _maxTileWidth,
        mainAxisSpacing: 10,
        crossAxisSpacing: 10,
        childAspectRatio: 0.88,
      );
    }

    final count = (available / _minTileWidth).floor().clamp(2, 3);

    return SliverGridDelegateWithFixedCrossAxisCount(
      crossAxisCount: count,
      mainAxisSpacing: 10,
      crossAxisSpacing: 10,
      childAspectRatio: count >= 3 ? 0.85 : 0.92,
    );
  }
}