import assert from "node:assert/strict";
import fs from "node:fs";
import { chromium, expect } from "@playwright/test";
import { createClient } from "@supabase/supabase-js";
if (fs.existsSync(".env.local")) process.loadEnvFile(".env.local");
const origin = new URL(process.argv[2] || "http://127.0.0.1:3007").origin;
const db = createClient(
  process.env.NEXT_PUBLIC_SUPABASE_URL,
  process.env.SUPABASE_SECRET_KEY,
  { auth: { persistSession: false, autoRefreshToken: false } },
);
const rooms = [];
const browser = await chromium.launch({
  headless: true,
  args: ["--use-angle=swiftshader", "--enable-unsafe-swiftshader"],
});
try {
  const { data: maps, error } = await db
    .from("datasets")
    .select("id")
    .eq("state", "published")
    .limit(1);
  if (error) throw error;
  assert.ok(maps.length);
  const desktop = await browser.newContext({
    viewport: { width: 1280, height: 900 },
    locale: "en-US",
  });
  const mobile = await browser.newContext({
    viewport: { width: 390, height: 844 },
    locale: "en-US",
    isMobile: true,
    hasTouch: true,
  });
  const host = await desktop.newPage(),
    friend = await mobile.newPage();
  const pageErrors = [];
  for (const page of [host, friend])
    page.on("pageerror", (error) => pageErrors.push(error.message));
  await host.goto(`${origin}/servers/${maps[0].id}`, {
    waitUntil: "networkidle",
    timeout: 60000,
  });
  await host.getByRole("button", { name: "Multiplayer", exact: true }).click();
  await host.getByLabel("Your player name").fill("Browser Host");
  await host.getByLabel("Player limit (including you)").selectOption("2");
  await host
    .getByRole("button", { name: "Create multiplayer room", exact: true })
    .click();
  await host.waitForURL("**/multiplayer/*", { timeout: 30000 });
  const id = host.url().split("/").pop();
  rooms.push(id);
  await expect(host.getByLabel("Invite link")).toHaveValue(
    `${origin}/multiplayer/${id}`,
  );
  await friend.goto(host.url(), {
    waitUntil: "domcontentloaded",
    timeout: 60000,
  });
  await friend.getByLabel("Your player name").fill("Browser Friend");
  await friend.getByRole("button", { name: "Join room", exact: true }).click();
  await expect(
    friend.getByText("You’re in! Waiting for the room owner to start.", {
      exact: true,
    }),
  ).toBeVisible();
  await expect(
    host.getByRole("button", { name: "Start multiplayer match", exact: true }),
  ).toBeEnabled({ timeout: 20000 });
  fs.mkdirSync("artifacts/multiplayer", { recursive: true });
  await host.screenshot({
    path: "artifacts/multiplayer/desktop-lobby.png",
    fullPage: true,
  });
  await friend.screenshot({
    path: "artifacts/multiplayer/mobile-lobby.png",
    fullPage: true,
  });
  assert.ok(
    await friend.evaluate(
      () => document.documentElement.scrollWidth <= window.innerWidth,
    ),
    "mobile lobby fits viewport",
  );
  await host
    .getByRole("button", { name: "Start multiplayer match", exact: true })
    .click();
  for (let round = 0; round < 5; round++) {
    await Promise.all([
      expect(host.locator(".game-info strong").first()).toHaveText(
        `${round + 1} / 5`,
        { timeout: 30000 },
      ),
      expect(friend.locator(".game-info strong").first()).toHaveText(
        `${round + 1} / 5`,
        { timeout: 30000 },
      ),
    ]);
    await Promise.all([
      expect(host.locator(".game-loading")).toHaveCount(0, { timeout: 45000 }),
      expect(friend.locator(".game-loading")).toHaveCount(0, {
        timeout: 45000,
      }),
    ]);
    if (round === 0) {
      await host.reload({ waitUntil: "domcontentloaded" });
      await expect(host.locator(".game-loading")).toHaveCount(0, {
        timeout: 45000,
      });
    }
    await friend
      .getByRole("button", { name: "Open guess map", exact: true })
      .click();
    for (const [page, fraction] of [
      [host, 0.48],
      [friend, 0.7],
    ]) {
      const map = page.getByRole("application", { name: /Minecraft map/ });
      const box = await map.boundingBox();
      assert.ok(box);
      await map.click({
        position: { x: box.width * fraction, y: box.height * 0.5 },
      });
      await expect(
        page.getByRole("button", { name: "Submit guess", exact: true }),
      ).toBeEnabled();
      if (round === 0 && page === host)
        await page.screenshot({
          path: "artifacts/multiplayer/desktop-round.png",
        });
      await page
        .getByRole("button", { name: "Submit guess", exact: true })
        .click();
    }
    if (round < 4) {
      await expect(
        host.getByRole("heading", { name: "Round standings", exact: true }),
      ).toBeVisible({ timeout: 20000 });
      await expect(
        friend.getByRole("heading", { name: "Round standings", exact: true }),
      ).toBeVisible({ timeout: 20000 });
      await host.getByRole("button", { name: /^Next round/ }).click();
    }
    console.log(`Browser round ${round + 1}/5 completed.`);
  }
  await expect(
    host.getByRole("heading", { name: "Final standings", exact: true }),
  ).toBeVisible({ timeout: 20000 });
  await expect(
    friend.getByRole("heading", { name: "Final standings", exact: true }),
  ).toBeVisible({ timeout: 20000 });
  assert.equal(await host.locator(".multiplayer-final tbody tr").count(), 2);
  await host.screenshot({
    path: "artifacts/multiplayer/desktop-results.png",
    fullPage: true,
  });
  await friend.screenshot({
    path: "artifacts/multiplayer/mobile-results.png",
    fullPage: true,
  });
  assert.ok(
    await friend.evaluate(
      () => document.documentElement.scrollWidth <= window.innerWidth,
    ),
    "mobile results fit viewport with table scrolling",
  );
  assert.deepEqual(pageErrors, []);
  console.log(
    "Desktop/mobile browser multiplayer passed: create, invite, join, reconnect, five shared rounds, map guesses, and final standings. No page errors.",
  );
} finally {
  await browser.close();
  if (rooms.length) {
    const { error } = await db
      .from("multiplayer_rooms")
      .delete()
      .in("id", rooms);
    if (error)
      throw new Error(`Browser test-room cleanup failed: ${error.message}`);
  }
}