import { test, expect } from "bun:test"

import { circuitJsonToStep } from "../../../lib/index"

import { importStepWithOcct } from "../../utils/occt/importer"

import { loadStepFilesFromCircuitJson } from "../../utils/load-step-files"

import circuitJson from "./basics06.json"

test("basics06: skip mesh generation when all components have model_step_url", async () => {
  // Load STEP files from local fixtures

  const fsMap = await loadStepFilesFromCircuitJson(circuitJson)

  // This should NOT throw "Failed to generate component meshes" error

  // because all cad_components have model_step_url and mesh generation should be skipped

  const stepText = await circuitJsonToStep(circuitJson as any, {
    includeComponents: true,

    includeExternalMeshes: true,

    productName: "TestPCB_SkipMeshGen",

    fsMap,
  })

  // Verify STEP format

  expect(stepText).toContain("ISO-10303-21")

  expect(stepText).toContain("END-ISO-10303-21")

  // Verify product structure

  expect(stepText).toContain("TestPCB_SkipMeshGen")

  expect(stepText).toContain("MANIFOLD_SOLID_BREP")

  // Verify holes are created

  expect(stepText).toContain("CIRCLE")

  expect(stepText).toContain("CYLINDRICAL_SURFACE")

  // Should have multiple solids: board + 2 external STEP components

  const solidCount = (stepText.match(/MANIFOLD_SOLID_BREP/g) || []).length

  expect(solidCount).toBeGreaterThanOrEqual(3)

  // Write STEP file to debug-output

  const outputPath = "debug-output/basics06.step"

  await Bun.write(outputPath, stepText)

  console.log("✓ STEP file with external models generated successfully")

  console.log(`  - Solids created: ${solidCount}`)

  console.log(`  - STEP text length: ${stepText.length} bytes`)

  console.log(`  - Output: ${outputPath}`)

  console.log(
    "✓ Mesh generation was correctly skipped (no components needed fallback)",
  )

  // Validate STEP file can be imported with occt-import-js

  const occtResult = await importStepWithOcct(stepText)

  expect(occtResult.success).toBe(true)

  expect(occtResult.meshes.length).toBeGreaterThan(0)

  const [firstMesh] = occtResult.meshes

  expect(firstMesh.attributes.position.array.length).toBeGreaterThan(0)

  expect(firstMesh.index.array.length).toBeGreaterThan(0)

  console.log("✓ STEP file successfully validated with occt-import-js")

  await expect(stepText).toMatchStepSnapshot(import.meta.path, "basics06")
}, 30000)