import { expect, test, type Page } from "@playwright/test";
import { mockScadaApi } from "./support/mock-scada-api";

test("loads SCADA from the backend API and aligns map features by device_id", async ({ page }) => {
  await mockRuntimeAndMap(page, { pumps: 0, tanks: 0 });
  await mockScadaApi(page, [{
    device_id: "SCADA-1",
    device_type: "pressure",
    node_id: "J-1",
    link_id: null,
    api_query_id: "query-1",
    transmission_mode: "realtime",
    transmission_frequency: "2s",
    reliability: 100,
    x: 1,
    y: 2,
    longitude: 121.5,
    latitude: 30.9
  }]);
  const deviceRequestPromise = page.waitForRequest((request) =>
    request.url().includes("/api/v1/scada-devices")
  );

  await page.goto("/", { waitUntil: "domcontentloaded" });

  const deviceRequest = await deviceRequestPromise;
  expect(deviceRequest.headers()["x-project-id"]).toBe("project-1");
  await expect.poll(async () => page.evaluate(() => {
    const map = globalThis.__waterNetworkMap;
    if (!map) return [];
    return map.querySourceFeatures("scada").map((feature) => ({
      id: String(feature.id),
      deviceId: String(feature.properties?.device_id)
    }));
  })).toContainEqual({ id: "SCADA-1", deviceId: "SCADA-1" });

  const layerTool = page.getByRole("button", { name: /图层：管理地图图层/ });
  await expect(layerTool).toBeEnabled();
  await layerTool.click();
  await expect(page.getByRole("button", { name: /^管线/ })).toBeVisible();
  await expect(page.getByRole("button", { name: /^水泵/ })).toHaveCount(0);
  await expect(page.getByRole("button", { name: /^水箱/ })).toHaveCount(0);
});

test("shows data-dependent layer controls only when GeoServer reports features", async ({ page }) => {
  await page.setViewportSize({ width: 390, height: 844 });
  await mockRuntimeAndMap(page, { pumps: 2, tanks: 1 });
  await mockScadaApi(page);

  await page.goto("/", { waitUntil: "domcontentloaded" });

  const layerTool = page.getByRole("button", { name: /图层：管理地图图层/ });
  await expect(layerTool).toBeEnabled();
  await layerTool.click();
  await expect(page.getByRole("button", { name: /^水泵/ })).toBeVisible();
  await expect(page.getByRole("button", { name: /^水箱/ })).toBeVisible();
  await expect.poll(() => page.evaluate(() => ({
    pump: Boolean(globalThis.__waterNetworkMap?.getLayer("pumps-symbol")),
    tank: Boolean(globalThis.__waterNetworkMap?.getLayer("tanks-symbol"))
  }))).toEqual({ pump: true, tank: true });
});

test("loads required map layers while optional layer probes are still pending", async ({ page }) => {
  let releaseProbe = () => {};
  const probeGate = new Promise<void>((resolve) => {
    releaseProbe = resolve;
  });
  await mockRuntimeAndMap(page, { pumps: 1, tanks: 0 }, { probeGate });
  await mockScadaApi(page);

  await page.goto("/", { waitUntil: "domcontentloaded" });

  try {
    await expect.poll(() => page.evaluate(() => ({
      pipes: Boolean(globalThis.__waterNetworkMap?.getLayer("pipes-casing")),
      pumps: Boolean(globalThis.__waterNetworkMap?.getLayer("pumps-symbol"))
    }))).toEqual({ pipes: true, pumps: false });
  } finally {
    releaseProbe();
  }

  await expect.poll(() => page.evaluate(() =>
    Boolean(globalThis.__waterNetworkMap?.getLayer("pumps-symbol"))
  )).toBe(true);
});

async function mockRuntimeAndMap(
  page: Page,
  featureCounts: { pumps: number; tanks: number },
  options: { probeGate?: Promise<void> } = {}
) {
  await page.route("**/runtime-config.js", async (route) => {
    await route.fulfill({
      contentType: "application/javascript",
      body: `globalThis.__TJWATER_CONFIG__ = {
        TJWATER_AUTH_MODE: "disabled",
        TJWATER_MAPBOX_ACCESS_TOKEN: "",
        TJWATER_MAP_URL: "https://scada-map.invalid/geoserver",
        TJWATER_GEOSERVER_WORKSPACE: "tjwater_next",
        TJWATER_SERVER_API_BASE_URL: "https://tjwater-api.invalid",
        TJWATER_AGENT_API_BASE_URL: "http://127.0.0.1:8787",
        TJWATER_ENABLE_DEV_PANEL: "false",
        TJWATER_ENABLE_MSW: "false"
      };`
    });
  });
  await page.route("https://scada-map.invalid/**", async (route) => {
    await route.fulfill({ status: 204, body: "" });
  });
  await page.route("https://scada-map.invalid/geoserver/tjwater_next/ows?**", async (route) => {
    await options.probeGate;
    const typeNames = new URL(route.request().url()).searchParams.get("typeNames");
    const sourceId = typeNames?.endsWith(":pumps") ? "pumps" : "tanks";
    await route.fulfill({
      contentType: "application/xml",
      body: `<wfs:FeatureCollection numberMatched="${featureCounts[sourceId]}" numberReturned="0" />`
    });
  });
}