/** Contract checks for the state-scale rendering adapter. */

import assert from "node:assert/strict";
import { describe, it } from "node:test";
import CALIFORNIA_CITY, { CALIFORNIA_I_5, CALIFORNIA_US_101 } from "../cities/california.ts";

describe("California corridor city", () => {
  it("keeps the two transport routes on one coarse render board", () => {
    assert.equal(CALIFORNIA_CITY.id, "california");
    assert.equal(CALIFORNIA_CITY.roads.length, 2);
    assert.ok(CALIFORNIA_US_101.length > 10);
    assert.ok(CALIFORNIA_I_5.length > 10);
    for (const path of [CALIFORNIA_US_101, CALIFORNIA_I_5]) {
      for (const [lat, lng] of path) {
        assert.ok(lat >= CALIFORNIA_CITY.bounds.minLat && lat <= CALIFORNIA_CITY.bounds.maxLat);
        assert.ok(lng >= CALIFORNIA_CITY.bounds.minLng && lng <= CALIFORNIA_CITY.bounds.maxLng);
      }
    }
  });

  it("offers route chapters, doors into both detailed boards, and the north", () => {
    // Order is asserted rather than membership, and the first entry doubly so:
    // `createScene` opens on `chapters[0]` and `scripts/brand-assets/shots.mjs`
    // reaches the others by *index*, so an insertion anywhere but the end
    // re-points every marketing still at a different photograph.
    assert.deepEqual(
      CALIFORNIA_CITY.chapters.map((chapter) => chapter.id),
      [
        "california-overview",
        "la-sf-us-101",
        "la-sf-i-5",
        "los-angeles",
        "san-francisco",
        "shasta-cascades",
      ],
    );
  });

  it("puts a pose on the half of the state the corridor never reaches", () => {
    // The board runs to 42.05 N. Before the north chapter existed every authored
    // pose sat below 38, so a visitor who never dragged the camera saw none of
    // the two hundred kilometres of state above San Francisco.
    const north = CALIFORNIA_CITY.chapters.filter((chapter) => chapter.focus.lat > 39);
    assert.ok(north.length >= 1, "no chapter looks at the north of the board");
    for (const chapter of north) {
      assert.ok(
        chapter.focus.lat < CALIFORNIA_CITY.bounds.maxLat &&
          chapter.focus.lng > CALIFORNIA_CITY.bounds.minLng,
        `chapter "${chapter.id}" points off the board`,
      );
    }
  });

  it("uses a state-scale field rather than city-scale cells", () => {
    assert.ok(CALIFORNIA_CITY.cellLat >= 0.01);
    assert.ok(CALIFORNIA_CITY.cellLng >= 0.01);
    // This used to assert zero districts, which was the pack's old promise that
    // the state board carried no cities at all — and that emptiness was the
    // defect, not the design. The board now declares its metros on purpose; a
    // coarse *field* is what makes it state-scale, not an absence of built
    // things. `packs/californiaBoard.test.ts` holds the districts to account.
    assert.ok(CALIFORNIA_CITY.districts.length >= 12);
  });
});