import assert from "node:assert/strict";
import { describe, it } from "node:test";
import {
  inferProjectDeviceSectionKey,
  isProjectDevicePlacementValid,
  resolveProjectDevicePhaseType,
} from "../src/domain/services/project-device-placement.service.js";

describe("project device placement", () => {
  it("routes project devices by their required category", () => {
    assert.equal(inferProjectDeviceSectionKey({ category: "lighting" }), "lighting");
    assert.equal(inferProjectDeviceSectionKey({ category: "single_phase" }), "single_phase");
    assert.equal(inferProjectDeviceSectionKey({ category: "three_phase" }), "three_phase");
  });

  it("accepts only the inferred default section", () => {
    const device = { category: "three_phase" as const };

    assert.equal(isProjectDevicePlacementValid(device, { key: "three_phase" }), true);
    assert.equal(isProjectDevicePlacementValid(device, { key: "single_phase" }), false);
    assert.equal(isProjectDevicePlacementValid(device, { key: "unassigned" }), false);
  });

  it("derives the electrical phase type from the category", () => {
    assert.equal(resolveProjectDevicePhaseType("lighting"), "single_phase");
    assert.equal(resolveProjectDevicePhaseType("single_phase"), "single_phase");
    assert.equal(resolveProjectDevicePhaseType("three_phase"), "three_phase");
  });
});