const assert = require("node:assert/strict");
const fs = require("node:fs");
const path = require("node:path");
const { chromium } = require("C:/Users/phenom/.cache/codex-runtimes/codex-primary-runtime/dependencies/node/node_modules/playwright");

const base = process.env.MOUSE_CAMERA_TEST_URL || "http://127.0.0.1:5176";
const directory = path.resolve("playtest-artifacts/mouse-camera");
fs.mkdirSync(directory, { recursive: true });

(async () => {
  const browser = await chromium.launch({ channel: "msedge", headless: true });
  const page = await browser.newPage({ viewport: { width: 1440, height: 900 } });
  page.setDefaultTimeout(120_000);
  const errors = [];
  page.on("pageerror", (error) => errors.push(error.message));

  const gameState = () => page.evaluate(async () => {
    const storeEntry = performance.getEntriesByType("resource")
      .findLast((entry) => new URL(entry.name).pathname === "/src/game/store.ts");
    if (!storeEntry) throw new Error("game store module was not loaded");
    const { useGameStore } = await import(storeEntry.name);
    const state = useGameStore.getState();
    return {
      cameraLookActive: state.cameraLookActive,
      cameraYaw: state.cameraYaw,
      pointerLocked: document.pointerLockElement !== null,
      selection: window.getSelection()?.toString() ?? "",
    };
  });

  try {
    await page.goto(base, { waitUntil: "domcontentloaded" });
    await page.getByRole("button", { name: /Play offline/ }).click();
    await page.getByRole("button", { name: /Create character/ }).click();
    await page.getByRole("button", { name: /Customize & name/ }).click();
    await page.getByLabel("Character name").fill("Mouselooker");
    await page.getByRole("button", { name: /Create character/ }).click();
    await page.getByRole("button", { name: /Continue|Enter world/ }).first().click();
    await page.locator(".main-menu-screen").waitFor();
    await page.getByRole("button", { name: /^Dungeons/ }).click();
    await page.getByRole("button", { name: /Choose role/ }).click();
    await page.locator(".dungeon-role-option").first().click();
    await page.locator(".game-shell").waitFor();
    await page.waitForFunction(async () => {
      const storeEntry = performance.getEntriesByType("resource")
        .findLast((entry) => new URL(entry.name).pathname === "/src/game/store.ts");
      if (!storeEntry) return false;
      const { useGameStore } = await import(storeEntry.name);
      return ["ready", "proxy", "error"].includes(useGameStore.getState().assetStatus);
    });
    await page.locator(".loading-screen").waitFor({ state: "hidden" });
    await page.waitForTimeout(1_000);

    const selectionBefore = await page.evaluate(() => {
      const fixture = document.createElement("p");
      fixture.textContent = "Existing browser selection";
      fixture.style.userSelect = "text";
      fixture.style.position = "fixed";
      fixture.style.left = "-10000px";
      document.body.append(fixture);
      const range = document.createRange();
      range.selectNodeContents(fixture);
      const selection = window.getSelection();
      if (!selection) throw new Error("browser selection API is unavailable");
      selection.removeAllRanges();
      selection.addRange(range);
      return selection.toString();
    });
    assert.equal(selectionBefore, "Existing browser selection");

    const scene = page.locator(".scene-shell");
    const bounds = await scene.boundingBox();
    assert(bounds, "3D scene is visible");
    const cdp = await page.context().newCDPSession(page);
    const start = { x: bounds.x + bounds.width * 0.55, y: bounds.y + bounds.height * 0.55 };
    const before = await gameState();
    assert.equal(before.cameraLookActive, false);
    await page.mouse.move(start.x, start.y);
    await page.mouse.down({ button: "right" });
    await page.waitForFunction(async () => {
      const storeEntry = performance.getEntriesByType("resource")
        .findLast((entry) => new URL(entry.name).pathname === "/src/game/store.ts");
      if (!storeEntry) return false;
      const { useGameStore } = await import(storeEntry.name);
      return useGameStore.getState().cameraLookActive;
    });
    const captured = await gameState();
    assert.equal(captured.pointerLocked, false);
    assert.equal(captured.selection, "");

    await cdp.send("Input.dispatchMouseEvent", {
      type: "mouseMoved",
      x: start.x + 160,
      y: start.y - 55,
      button: "right",
      buttons: 2,
      pointerType: "mouse",
    });
    await page.waitForTimeout(350);
    const moved = await gameState();
    assert.notEqual(moved.cameraYaw, before.cameraYaw);
    await page.screenshot({ path: path.join(directory, "right-drag-camera.png") });

    await page.mouse.up({ button: "right" });
    await page.waitForFunction(async () => {
      const storeEntry = performance.getEntriesByType("resource")
        .findLast((entry) => new URL(entry.name).pathname === "/src/game/store.ts");
      if (!storeEntry) return false;
      const { useGameStore } = await import(storeEntry.name);
      return !useGameStore.getState().cameraLookActive;
    });
    const released = await gameState();
    await page.mouse.move(start.x - 120, start.y + 70, { steps: 8 });
    await page.waitForTimeout(350);
    const afterReleaseMove = await gameState();
    assert.equal(afterReleaseMove.cameraYaw, released.cameraYaw);
    assert.equal(afterReleaseMove.pointerLocked, false);
    assert.equal(
      await page.locator(".game-shell").evaluate((element) => getComputedStyle(element).userSelect),
      "none",
    );
    assert.deepEqual(errors, []);

    const result = {
      passed: true,
      yawBefore: before.cameraYaw,
      yawDuringDrag: moved.cameraYaw,
      yawAfterRelease: afterReleaseMove.cameraYaw,
      pointerLocked: afterReleaseMove.pointerLocked,
      selectionCleared: captured.selection === "",
      errors,
    };
    fs.writeFileSync(path.join(directory, "results.json"), `${JSON.stringify(result, null, 2)}\n`);
    console.log(JSON.stringify(result, null, 2));
    console.log("Mouse camera playtest passed");
  } catch (error) {
    await page.mouse.up({ button: "right" }).catch(() => {});
    await page.screenshot({ path: path.join(directory, "failure.png") });
    console.log((await page.locator("body").innerText()).slice(-2_000));
    console.log("Browser errors:", errors);
    throw error;
  } finally {
    await browser.close();
  }
})().catch((error) => {
  console.error(error);
  process.exitCode = 1;
});