import assert from "node:assert/strict";
import { readFile } from "node:fs/promises";
import { after, before, test } from "node:test";

import { createServer } from "vite";

let server;
let mapView;

before(async () => {
  server = await createServer({
    appType: "custom",
    logLevel: "silent",
    server: { middlewareMode: true },
  });
  mapView = await server.ssrLoadModule("/src/core/map/mapView.ts");
});

after(async () => {
  await server?.close();
});

function serverDocument(overrides = {}) {
  return {
    schema_version: "missioncore.map-view/v1",
    revision: 0,
    view: {
      camera: null,
      visual_settings: {
        atmosphere_enabled: true,
        lighting_enabled: true,
        monochrome_enabled: false,
        terrain_exaggeration: 1,
        buildings_maximum_screen_space_error: 16,
        camera_animation_enabled: true,
      },
      map_height: 720,
      inspector_open_sections: [],
      cache_intent: {
        enabled: true,
        no_overwrite: true,
      },
      selected_subject_id: null,
      layer_visibility: {
        imagery: true,
        terrain: true,
        buildings: true,
        grid: false,
        targets: true,
      },
    },
    ...overrides,
  };
}

test("map view starts without a fabricated global camera or subject", () => {
  const document = mapView.defaultMapViewDocument();
  assert.equal(document.view.camera, null);
  assert.equal(document.view.selectedSubjectId, null);
  assert.equal(document.view.cacheIntent.enabled, true);
  assert.equal(document.view.cacheIntent.noOverwrite, true);
});

test("map view decodes and re-encodes the complete versioned contract", () => {
  const decoded = mapView.decodeMapViewDocument(serverDocument({
    revision: 3,
    view: {
      ...serverDocument().view,
      camera: {
        longitude: 37.6176,
        latitude: 55.7558,
        height: 2500,
        heading: 12,
        pitch: -48,
        roll: 0,
      },
      inspector_open_sections: ["camera"],
    },
  }));
  const encoded = mapView.encodeMapViewPut(decoded);

  assert.equal(decoded.revision, 3);
  assert.equal(decoded.view.camera.longitude, 37.6176);
  assert.equal(decoded.view.inspectorOpenSections[0], "camera");
  assert.equal(encoded.view.camera.latitude, 55.7558);
  assert.equal(encoded.view.cache_intent.no_overwrite, true);
  assert.equal("schema_version" in encoded, false);
});

test("map view fails closed on credentials, runtime URLs and unbound selection", () => {
  assert.throws(
    () => mapView.decodeMapViewDocument(serverDocument({
      view: {
        ...serverDocument().view,
        token: "forbidden",
      },
    })),
  );
  assert.throws(
    () => mapView.decodeMapViewDocument(serverDocument({
      view: {
        ...serverDocument().view,
        inspector_open_sections: ["selection"],
      },
    })),
    /stable subject id|стабильный subject id/i,
  );
});

test("map workspace keeps the canonical top actions without a bottom toolbar", async () => {
  const source = await readFile(
    new URL("../src/workspaces/map/WorldMapWorkspace.tsx", import.meta.url),
    "utf8",
  );

  assert.doesNotMatch(source, /<Toolbar/);
  assert.match(source, /className="mission-map__map-actions"/);
  assert.match(source, /label="Настройки карты"/);
  assert.match(source, /label="Слои карты"/);
  assert.doesNotMatch(source, /label="Сбросить камеру"/);
});