/*
 * Description: Static and helper regression tests for MXPIC EDA frontend/backend integration contracts.
 * Inside functions: N/A - assertion-based test/module script.
 * Developer : Qin Yue @ 2026
 * Organization : OptiHK Limited
 */
const assert = require('assert');
const fs = require('fs');
const path = require('path');

const root = path.resolve(__dirname, '..');
const canvasHtml = fs.readFileSync(path.join(root, 'frontend', 'canvas.html'), 'utf8');

assert(
  canvasHtml.includes('loadedProjectPage'),
  'project loading should reuse the saved project canvas instead of creating a duplicate empty project tab'
);
assert(
  canvasHtml.includes('nonProjectPages'),
  'project composite map should exclude the saved project page itself'
);
assert(
  canvasHtml.includes('layoutToCanvasY'),
  'loading saved layout YAML should convert GDS/layout Y coordinates back to canvas coordinates'
);
assert(
  canvasHtml.includes('buildElementNodesFromYaml'),
  'project loading should rebuild saved anchor/port element nodes from YAML elements'
);
assert(
  canvasHtml.includes('Object.entries(doc.elements || {})'),
  'project loading should read doc.elements, not only doc.instances'
);
assert(
  canvasHtml.includes('nodeNameMap[elementName] = nodeId'),
  'loaded element names should be registered so saved links can reconnect to anchors and ports'
);
assert(
  canvasHtml.includes('getAvailableComponentsForLoadedComponent'),
  'project loading should reconstruct PDK component selection options for saved instances'
);
assert(
  canvasHtml.includes('availableComponents: instIsForge ? [FORGE_COMPONENT_LABEL] : loadedAvailableComponents'),
  'loaded PDK instances should keep availableComponents so the right panel can show the PDK selector'
);
assert(
  canvasHtml.includes('Array.from(new Set([FORGE_COMPONENT_LABEL, ...sameCategoryComponents'),
  'loaded PDK selector choices should include forge and same-category library components'
);