import { BlueprintManager } from './scripts/blueprint-manager.js';
import { CommandHistory, PlaceCommand, BatchCommand } from './scripts/command-history.js';
import { GhostPreview } from './scripts/ghost-preview.js';
import { SelectionManager } from './scripts/selection-manager.js';

// Initialize systems
const blueprints = new BlueprintManager();
const history = new CommandHistory({ maxSize: 50 });
const ghost = new GhostPreview(scene);
const selection = new SelectionManager({ maxSelection: 100 });

// Save selected pieces as blueprint
const { blueprint } = blueprints.save(selection.getSelection(), 'My Base');

// Load blueprint at new position
const { pieces } = blueprints.load(blueprint.id, newPosition, rotation);

// Place with undo support
history.execute(new PlaceCommand(pieceData, position, rotation, buildingSystem));
history.undo(); // Removes piece
history.redo(); // Restores piece

// Ghost preview with validity feedback
ghost.show('wall', cursorPosition, rotation);
ghost.setValid(canPlace); // Green/red color
ghost.updatePosition(newCursorPosition);

// Multi-select with box selection
selection.boxSelect(startNDC, endNDC, camera, allPieces);
selection.selectConnected(startPiece, getNeighbors); // Flood fill

// Batch operations
history.beginGroup('Delete selection');
for (const piece of selection.getSelection()) {
  history.execute(new RemoveCommand(piece, buildingSystem));
}
history.endGroup();

// Full integration example
function setupBuildingUX(scene, buildingSystem) {
  const history = new CommandHistory({
    maxSize: 100,
    onChange: (status) => updateUndoRedoButtons(status)
  });
  
  const ghost = new GhostPreview(scene, {
    validColor: 0x00ff00,
    invalidColor: 0xff0000,
    snapGrid: 2,
    snapRotation: Math.PI / 4
  });
  
  const selection = new SelectionManager({
    maxSelection: 200,
    onSelectionChanged: (pieces) => updateSelectionUI(pieces)
  });
  
  const blueprints = new BlueprintManager({
    storage: localStorage,
    maxBlueprints: 50
  });
  
  // Keyboard shortcuts
  document.addEventListener('keydown', (e) => {
    if (e.ctrlKey && e.key === 'z') history.undo();
    if (e.ctrlKey && e.key === 'y') history.redo();
    if (e.ctrlKey && e.key === 'c') copySelection();
    if (e.ctrlKey && e.key === 'v') pasteBlueprint();
    if (e.key === 'r') ghost.rotate(Math.PI / 4);
  });
  
  return { history, ghost, selection, blueprints };
}