import { devices, expect, test, type Page, type Request, type Route } from "@playwright/test";

// Completion uploads from a mobile-sized viewport must reach the API as
// multipart/form-data with a boundary, or ASP.NET cannot bind the [FromForm] file/category.
test.use({ ...devices["Pixel 7"] });

const FROZEN_NOW = "2026-08-19T15:00:00.000Z";
const ROW_VERSION = "AAAAAAAAB9E=";

const TEST_USER = {
  token: "wo-completion-uploads-e2e-token",
  expiration: "2030-01-01T00:00:00.000Z",
  email: "admin@seahavenind.com",
  userRoles: "Admin",
  phoneNumber: "5551234567",
  fullname: "Work Order E2E Admin",
  id: "1",
};

// Leading bytes of files written by real encoders (ffmpeg, iPhone .MOV, pdf).
const PDF = Buffer.from("%PDF-1.7\n%âã\n1 0 obj\n", "latin1");
const JPEG = Buffer.from("ffd8ffe000104a46494600010200000100010000", "hex");
const MP4 = Buffer.from("000000206674797069736f6d0000020069736f6d69736f32", "hex");
const MOV = Buffer.from("000000146674797071742020000002007174202000000008", "hex");

type BoardRowOptions = { id: number; woNumber: string; workOrderType: number };

function boardRow({ id, woNumber, workOrderType }: BoardRowOptions) {
  return {
    id,
    woNumber,
    workOrderType,
    siteCode: "BK5",
    lifecycleStatusLabel: "In Progress",
    scheduledDate: "2026-08-19",
    dispatcherId: "1",
    dispatcherName: "Pat Dispatcher",
    pm: "HVAC",
    docStatus: "No",
    rowVersion: ROW_VERSION,
  };
}

async function fulfillJson(route: Route, body: unknown, status = 200) {
  await route.fulfill({ status, contentType: "application/json", body: JSON.stringify(body) });
}

function multipartBoundary(request: Request): string | undefined {
  const contentType = request.headers()["content-type"] ?? "";
  return /^multipart\/form-data; boundary=(.+)$/.exec(contentType)?.[1];
}

function multipartFileName(body: string): string | undefined {
  return /filename="([^"]+)"/.exec(body)?.[1];
}

async function hideQueryDevtools(page: Page) {
  await page.addStyleTag({
    content:
      ".tsqd-parent-container { display: none !important; pointer-events: none !important; }",
  });
  await page.locator(".tsqd-parent-container").evaluateAll((nodes) => {
    for (const node of nodes) {
      node.remove();
    }
  });
}

async function mockBoard(page: Page, row: ReturnType<typeof boardRow>) {
  await page.route("**/api/**", (route) => {
    const pathname = new URL(route.request().url()).pathname;
    if (!pathname.startsWith("/api/")) return route.fallback();
    return fulfillJson(route, { data: [] });
  });
  await page.route("**/api/workorders/board*", (route) => {
    if (route.request().url().includes("board/search")) return route.fallback();
    return fulfillJson(route, {
      weekStart: "2026-08-17",
      weekEnd: "2026-08-21",
      counts: { returned: 1, total: 1 },
      unscheduled: [],
      scheduled: [row],
    });
  });
  await page.route("**/api/workorders/board/search*", (route) =>
    fulfillJson(route, { items: [], totalCount: 0, page: 0, pageSize: 50 }),
  );
}

async function openCompletionTab(page: Page, woNumber: string) {
  await page.clock.install({ time: new Date(FROZEN_NOW) });
  await page.clock.resume();
  await page.addInitScript((user) => localStorage.setItem("auth", JSON.stringify(user)), TEST_USER);
  await page.goto("/workorders");
  await hideQueryDevtools(page);
  const row = page.getByRole("row").filter({ hasText: woNumber });
  await row.getByRole("button", { name: "View details" }).click();
  const panel = page.getByRole("dialog", { name: "Work order details" });
  await expect(panel).toBeVisible({ timeout: 15_000 });
  await panel.getByRole("tab", { name: "Completion Doc" }).click();
  return panel;
}

test.describe("Completion uploads on a mobile viewport", () => {
  test("uploads a signed PDF as multipart with the file and work order version", async ({
    page,
  }) => {
    const row = boardRow({ id: 71, woNumber: "PM-UPLOAD-71", workOrderType: 2 });
    await mockBoard(page, row);
    await page.route("**/api/workorders/71/detail", (route) =>
      fulfillJson(route, { info: row, completion: { docStatus: "No" }, media: [] }),
    );
    let upload: Request | undefined;
    await page.route("**/api/workorders/71/completion-doc", (route) => {
      upload = route.request();
      return fulfillJson(route, { docStatus: "Yes", signOffAttachment: "/Assets/Documents/x.pdf" });
    });

    const panel = await openCompletionTab(page, row.woNumber);
    const chooser = page.waitForEvent("filechooser");
    await panel.getByRole("button", { name: "Upload signed PDF" }).click();
    await (
      await chooser
    ).setFiles({ name: "Signed Completion.pdf", mimeType: "application/pdf", buffer: PDF });

    await expect.poll(() => upload?.method()).toBe("POST");
    const boundary = multipartBoundary(upload!);
    expect(boundary, upload!.headers()["content-type"]).toBeTruthy();
    const body = upload!.postDataBuffer()?.toString("latin1") ?? "";
    expect(body).toContain(`--${boundary}`);
    expect(body).toContain('name="file"; filename="Signed Completion.pdf"');
    expect(body).toContain("%PDF-1.7");
    expect(body).toMatch(new RegExp(`name="workOrderVersion"\\r\\n\\r\\n${ROW_VERSION}`));
  });

  test("uploads JPG, MP4 and MOV media and categorizes as multipart", async ({ page }) => {
    const row = boardRow({ id: 72, woNumber: "RX-MEDIA-72", workOrderType: 6 });
    const media: { id: number; category: number; url: string; fileName: string }[] = [];
    await mockBoard(page, row);
    await page.route("**/api/workorders/72/detail", (route) =>
      fulfillJson(route, { info: row, completion: { docStatus: "No" }, media }),
    );
    const uploads: { contentType: string; body: string }[] = [];
    await page.route("**/api/workorders/72/media", (route) => {
      const request = route.request();
      const body = request.postDataBuffer()?.toString("latin1") ?? "";
      uploads.push({ contentType: request.headers()["content-type"] ?? "", body });
      const fileName = multipartFileName(body) ?? "file";
      const item = { id: 900 + media.length, category: 3, url: `/Assets/${fileName}`, fileName };
      media.push(item);
      return fulfillJson(route, item);
    });
    let categorize: Request | undefined;
    await page.route("**/api/workorders/72/media/*", (route) => {
      categorize = route.request();
      const item = media[0]!;
      return fulfillJson(route, { ...item, category: 1 });
    });

    const panel = await openCompletionTab(page, row.woNumber);
    const chooser = page.waitForEvent("filechooser");
    await panel.getByRole("button", { name: /Drag files here or click to browse/ }).click();
    const files = [
      { name: "IMG_0001.jpg", mimeType: "image/jpeg", buffer: JPEG },
      { name: "VID_0002.MP4", mimeType: "video/mp4", buffer: MP4 },
      { name: "IMG_1587.MOV", mimeType: "video/quicktime", buffer: MOV },
    ];
    await (await chooser).setFiles(files);

    await expect.poll(() => uploads.length).toBe(files.length);
    for (const { name } of files) {
      const upload = uploads.find((item) => multipartFileName(item.body) === name);
      expect(upload, `multipart upload for ${name}`).toBeTruthy();
      expect(upload!.contentType).toMatch(/^multipart\/form-data; boundary=/);
    }

    await panel.getByRole("combobox", { name: "Category for IMG_0001.jpg" }).selectOption("Before");
    await expect.poll(() => categorize?.method()).toBe("PATCH");
    const boundary = multipartBoundary(categorize!);
    expect(boundary, categorize!.headers()["content-type"]).toBeTruthy();
    const body = categorize!.postDataBuffer()?.toString("latin1") ?? "";
    expect(body).toMatch(/name="category"\r\n\r\nBefore/);
    expect(body).toMatch(new RegExp(`name="workOrderVersion"\\r\\n\\r\\n${ROW_VERSION}`));
  });
});