import path from "node:path";
import type { Page } from "@playwright/test";
import { expect, test, waitForProcessing } from "./helpers";

const PDF_FIXTURE = path.join(
  process.cwd(),
  "tests",
  "fixtures",
  "document",
  "valid",
  "test-3page.pdf",
);

// The dropzone opens a native file chooser on click rather than exposing a
// persistent <input type="file">, so upload through the chooser event.
async function uploadPdf(page: Page): Promise<void> {
  const fileChooserPromise = page.waitForEvent("filechooser");
  await page
    .getByRole("button", { name: /upload from computer/i })
    .first()
    .click();
  const fileChooser = await fileChooserPromise;
  await fileChooser.setFiles(PDF_FIXTURE);
  await page.waitForTimeout(500);
}

test.describe("PDF to Image tool", () => {
  test("shows page thumbnails after uploading a PDF", async ({ loggedInPage: page }) => {
    await page.goto("/pdf/pdf-to-image");
    await uploadPdf(page);

    // Wait for page count to appear
    await expect(page.locator(".bg-muted").getByText("3 pages")).toBeVisible({ timeout: 15_000 });

    // Wait for thumbnails to appear in the results panel
    await expect(page.locator("text=3 of 3 pages selected")).toBeVisible({ timeout: 15_000 });
  });

  test("converts a PDF page to an image and shows results", async ({ loggedInPage: page }) => {
    await page.goto("/pdf/pdf-to-image");
    await uploadPdf(page);
    await expect(page.locator(".bg-muted").getByText("3 pages")).toBeVisible({ timeout: 15_000 });

    // Set pages to just page 1
    await page.fill("#pdf-pages", "1");

    // Click convert
    await page.getByTestId("pdf-to-image-submit").click();

    // Wait for processing
    await waitForProcessing(page);

    // Verify download link appears
    await expect(page.getByTestId("pdf-to-image-download")).toBeVisible({ timeout: 15_000 });
    await expect(page.getByTestId("pdf-to-image-download")).toContainText("Download All");

    // Verify results panel shows converted page
    await expect(page.locator("text=1 page converted")).toBeVisible();
  });

  test("can select and deselect pages via thumbnails", async ({ loggedInPage: page }) => {
    await page.goto("/pdf/pdf-to-image");
    await uploadPdf(page);
    await expect(page.locator("text=3 of 3 pages selected")).toBeVisible({ timeout: 15_000 });

    // Click "Deselect All"
    await page.locator("text=Deselect All").click();
    await expect(page.locator("text=0 of 3 pages selected")).toBeVisible();

    // Click "Select All"
    await page.locator("text=Select All").click();
    await expect(page.locator("text=3 of 3 pages selected")).toBeVisible();
  });
});

test.describe("PDF conversion preset pages", () => {
  for (const toolId of ["pdf-to-png", "pdf-to-jpg"]) {
    test(`${toolId} shows the ZIP download after synchronous conversion`, async ({
      loggedInPage: page,
    }) => {
      await page.goto(`/pdf/${toolId}`);
      await uploadPdf(page);

      await page.getByTestId("preset-submit").click();

      const download = page.getByTestId("preset-download");
      await expect(download).toBeVisible({ timeout: 15_000 });
      await expect(download).toHaveAttribute("href", /\/api\/v1\/download\/[^/]+\/pdf-pages\.zip$/);
    });
  }
});