/**
 * AcadeDoc full smoke suite — R4.7
 *
 * Drives the real prod-like stack (Docmost client :5173, server :3001, bridge :4000)
 * via the UI to surface bugs that screenshot-driven diagnostic missed.
 *
 * Each step is wrapped in test.step so the JSON reporter records granular outcomes.
 * Network failures and console errors are captured to per-test telemetry files
 * consumed by scripts/generate-smoke-report.ts.
 *
 * The suite is intentionally NOT fail-fast. We want to see every red square.
 */

import { test, expect, type Page, type ConsoleMessage } from "@playwright/test";
import * as fs from "fs";
import * as path from "path";

const BASE_URL = process.env.PLAYWRIGHT_BASE_URL ?? "http://localhost:5173";
const USER_EMAIL = process.env.PLAYWRIGHT_USER_EMAIL ?? "corentin@acadenice.fr";
const USER_PASSWORD = process.env.PLAYWRIGHT_USER_PASSWORD ?? "acadedoc2026!";

const SCREENSHOT_DIR = path.resolve(__dirname, "../screenshots");
const TELEMETRY_DIR = path.resolve(__dirname, "../smoke-telemetry");

interface NetworkError {
  url: string;
  status: number;
  method: string;
  testName: string;
  step: string;
}

interface ConsoleError {
  message: string;
  testName: string;
  step: string;
}

interface PageError {
  message: string;
  testName: string;
  step: string;
}

const networkErrors: NetworkError[] = [];
const consoleErrors: ConsoleError[] = [];
const pageErrors: PageError[] = [];

let currentStep = "init";

function ensureDir(dir: string): void {
  if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
}

ensureDir(SCREENSHOT_DIR);
ensureDir(TELEMETRY_DIR);

/**
 * Attach listeners that record network/console failures into per-test arrays.
 * The arrays are flushed to disk in test.afterAll so the report generator can
 * aggregate them across the suite.
 */
function attachTelemetry(page: Page, testName: string): void {
  page.on("response", (resp) => {
    const status = resp.status();
    const url = resp.url();
    // Ignore static assets, vite HMR, and 304 (not modified).
    if (status >= 400 && !url.includes("/@vite/") && !url.includes(".woff")) {
      networkErrors.push({
        url,
        status,
        method: resp.request().method(),
        testName,
        step: currentStep,
      });
    }
  });

  page.on("console", (msg: ConsoleMessage) => {
    if (msg.type() === "error") {
      const text = msg.text();
      // Skip noisy known-harmless warnings.
      if (
        text.includes("Failed to load resource") ||
        text.includes("favicon") ||
        text.includes("DevTools")
      ) {
        return;
      }
      consoleErrors.push({ message: text, testName, step: currentStep });
    }
  });

  page.on("pageerror", (err: Error) => {
    pageErrors.push({
      message: `${err.name}: ${err.message}`,
      testName,
      step: currentStep,
    });
  });
}

async function safeStep(
  page: Page,
  name: string,
  body: () => Promise<void>,
): Promise<{ ok: boolean; error?: string; screenshot?: string }> {
  currentStep = name;
  try {
    await test.step(name, body);
    return { ok: true };
  } catch (err) {
    const message = err instanceof Error ? err.message : String(err);
    const slug = name.replace(/[^a-z0-9]+/gi, "-").toLowerCase();
    const screenshotPath = path.join(SCREENSHOT_DIR, `${slug}-fail.png`);
    try {
      await page.screenshot({ path: screenshotPath, fullPage: true });
    } catch {
      // Page may already be closed — non-fatal.
    }
    return { ok: false, error: message, screenshot: screenshotPath };
  }
}

interface StepResult {
  feature: string;
  status: "OK" | "KO" | "PARTIAL";
  details: string;
  screenshot?: string;
}

const stepResults: StepResult[] = [];

/**
 * Navigate to /home and ensure the workspace shell rendered.
 * Used as a stable anchor between steps that may have left the user mid-modal.
 */
async function gotoHome(page: Page): Promise<void> {
  await page.goto(`${BASE_URL}/home`, { waitUntil: "domcontentloaded" });
  // The sidebar renders a workspace name area within ~3s on a warm cache.
  await page.waitForLoadState("networkidle", { timeout: 15_000 }).catch(() => {});
}

/**
 * Enter the first available space — pages can only be created inside a space,
 * not at the workspace root. Returns the space URL for later navigation.
 */
async function enterFirstSpace(page: Page): Promise<string> {
  await gotoHome(page);
  // Click "Espaces" / "Spaces" sidebar item to expand the list, or click a
  // space card directly on /home (UI shows space cards: Agence/CFA/General/Interne).
  const spaceCard = page
    .locator('a[href*="/s/"]')
    .or(
      page
        .getByRole("link")
        .filter({ hasText: /^(Agence|CFA|General|Interne)$/i }),
    )
    .first();
  await spaceCard.click({ timeout: 10_000 });
  await expect(page).toHaveURL(/\/s\//, { timeout: 10_000 });
  await page.waitForLoadState("networkidle", { timeout: 10_000 }).catch(() => {});
  return page.url();
}

/**
 * Click the "create page" affordance inside a space. Tries several known
 * Docmost selectors (the icon button in the space sidebar header, the
 * keyboard shortcut, then a fallback: keyboard "Ctrl+Alt+N" if available).
 */
async function clickCreatePage(page: Page): Promise<void> {
  // Locator strategies, in order of specificity.
  // 1. Mantine ActionIcon with title attribute (Docmost convention).
  // 2. Plus icon next to the space name in the sidebar tree header.
  // 3. Generic "+" button.
  // Step 1: open the "Nouvelle page" sidebar dropdown.
  // The trigger appears in the space sidebar; clicking it reveals two options:
  //   - "Nouvelle page" (blank)
  //   - "Depuis un modele" (from template)
  const trigger = page.getByText(/^Nouvelle page$/i).first();
  if (await trigger.count()) {
    await trigger.click({ timeout: 5_000 });
    // Step 2: pick the blank-page option from the popup.
    const blankOption = page
      .getByRole("menuitem", { name: /^nouvelle page$/i })
      .or(page.locator('[role="menu"] >> text="Nouvelle page"'))
      .first();
    if (await blankOption.count()) {
      await blankOption.click({ timeout: 3_000 }).catch(() => {});
    }
    try {
      await page.waitForURL(/\/p\//, { timeout: 5_000 });
      return;
    } catch {
      // fall through
    }
  }

  // Fallback: the "+" icon button next to the "Pages" tree section header.
  const plusBtn = page
    .locator('button[aria-label*="create" i]')
    .or(page.locator('button[title*="page" i]'))
    .first();
  if (await plusBtn.count()) {
    await plusBtn.click({ timeout: 3_000 }).catch(() => {});
    try {
      await page.waitForURL(/\/p\//, { timeout: 5_000 });
      return;
    } catch {
      // fall through
    }
  }

  // Last resort: keyboard shortcut Ctrl+Alt+N (Docmost default).
  await page.keyboard.press("Control+Alt+n");
  await page.waitForURL(/\/p\//, { timeout: 5_000 });
}

test.describe("acadenice smoke full", () => {
  test.describe.configure({ mode: "serial" });

  let page: Page;

  test.beforeAll(async ({ browser }) => {
    const context = await browser.newContext();
    page = await context.newPage();
    attachTelemetry(page, "acadenice-smoke-full");
  });

  test.afterAll(async () => {
    // Flush telemetry to disk for the report generator.
    fs.writeFileSync(
      path.join(TELEMETRY_DIR, "network-errors.json"),
      JSON.stringify(networkErrors, null, 2),
    );
    fs.writeFileSync(
      path.join(TELEMETRY_DIR, "console-errors.json"),
      JSON.stringify(consoleErrors, null, 2),
    );
    fs.writeFileSync(
      path.join(TELEMETRY_DIR, "page-errors.json"),
      JSON.stringify(pageErrors, null, 2),
    );
    fs.writeFileSync(
      path.join(TELEMETRY_DIR, "step-results.json"),
      JSON.stringify(stepResults, null, 2),
    );
    await page.context().close();
  });

  test("full smoke flow", async () => {
    // 1. Login.
    {
      const r = await safeStep(page, "1-login", async () => {
        await page.goto(`${BASE_URL}/login`, { waitUntil: "domcontentloaded" });
        await page.getByLabel(/email/i).fill(USER_EMAIL);
        await page.getByLabel(/password/i).fill(USER_PASSWORD);
        await page
          .getByRole("button", { name: /sign in|login|connexion|se connecter/i })
          .click();
        // Post-login the app routes either to /home or directly to a space root.
        await expect(page).toHaveURL(/\/(home|s\/|p\/)/, { timeout: 20_000 });
      });
      stepResults.push({
        feature: "Login",
        status: r.ok ? "OK" : "KO",
        details: r.ok ? `Redirected to ${page.url()}` : (r.error ?? "unknown"),
        screenshot: r.screenshot,
      });
    }

    // 2. Create page.
    let pageAUrl = "";
    let spaceUrl = "";
    {
      const r = await safeStep(page, "2-create-page", async () => {
        spaceUrl = await enterFirstSpace(page);
        await clickCreatePage(page);
        const titleInput = page
          .locator('[data-testid="page-title"]')
          .or(page.getByPlaceholder(/untitled|sans titre|title/i))
          .or(page.locator('input[type="text"]').first())
          .first();
        await titleInput.waitFor({ state: "visible", timeout: 10_000 });
        await titleInput.fill("Smoke Page A");
        await titleInput.press("Tab");
        await expect(page).toHaveURL(/\/p\//, { timeout: 10_000 });
        pageAUrl = page.url();
      });
      stepResults.push({
        feature: "Create page",
        status: r.ok ? "OK" : "KO",
        details: r.ok
          ? `Page created at ${pageAUrl}`
          : (r.error ?? "unknown"),
        screenshot: r.screenshot,
      });
    }

    // 3. Create sub-page.
    {
      const r = await safeStep(page, "3-create-sub-page", async () => {
        if (!pageAUrl) throw new Error("Parent page not created — skipping");
        await page.goto(pageAUrl, { waitUntil: "domcontentloaded" });
        // The "Add sub-page" lives in the sidebar tree row hover menu.
        // Hover the parent node row first.
        const parentRow = page
          .locator(`text="Smoke Page A"`)
          .first();
        await parentRow.hover({ timeout: 5_000 });
        const addSub = page
          .getByRole("button", { name: /add sub-?page|sous-page|new sub/i })
          .or(page.locator('[data-testid="add-subpage"]'))
          .first();
        await addSub.click({ timeout: 5_000 });
        const titleInput = page
          .locator('[data-testid="page-title"]')
          .or(page.getByPlaceholder(/untitled|sans titre|title/i))
          .first();
        await titleInput.waitFor({ state: "visible", timeout: 10_000 });
        await titleInput.fill("Smoke Sub-page A.1");
        await titleInput.press("Tab");
        // Verify the sub-page appears NESTED under Smoke Page A in the sidebar.
        // The aria tree typically nests children under their parent's <li>.
        const sidebar = page
          .getByRole("tree")
          .or(page.locator('[data-testid="sidebar-tree"]'))
          .first();
        const parentNode = sidebar.locator(
          'li:has-text("Smoke Page A")',
        ).first();
        await expect(
          parentNode.locator('text="Smoke Sub-page A.1"'),
        ).toBeVisible({ timeout: 10_000 });
      });
      stepResults.push({
        feature: "Sub-page (parent-child link)",
        status: r.ok ? "OK" : "KO",
        details: r.ok
          ? "Sub-page rendered nested under parent in sidebar"
          : `Sub-page may exist in DB but not nested under parent in sidebar — ${r.error ?? ""}`,
        screenshot: r.screenshot,
      });
    }

    // 4. Wikilink + backlink.
    {
      const r = await safeStep(page, "4-wikilink-backlink", async () => {
        if (!pageAUrl) throw new Error("Page A not available");
        await page.goto(pageAUrl, { waitUntil: "domcontentloaded" });
        const editor = page
          .locator('[contenteditable="true"]')
          .or(page.locator(".ProseMirror"))
          .first();
        await editor.click({ timeout: 5_000 });
        await page.keyboard.type("[[Smoke Sub-page A.1");
        // Suggestion popup should show the matching page.
        const suggestion = page
          .locator('[data-testid="mention-list"]')
          .or(page.locator('[role="listbox"]'))
          .or(page.locator(".tippy-box"))
          .first();
        await expect(suggestion).toBeVisible({ timeout: 5_000 });
        await page.keyboard.press("Enter");
        // Closing brackets may auto-insert; type them anyway just in case.
        await page.keyboard.type("]] ");
        await page.waitForTimeout(2_000); // debounce save
        // Navigate to A.1 and check backlinks panel.
        const subLink = page.locator('text="Smoke Sub-page A.1"').first();
        await subLink.click({ timeout: 5_000 });
        await expect(page).toHaveURL(/\/p\//);
        const backlinks = page
          .locator('[data-testid="backlinks"]')
          .or(page.getByText(/backlinks?|liens entrants/i))
          .first();
        await expect(backlinks).toBeVisible({ timeout: 10_000 });
        await expect(
          backlinks.locator('text="Smoke Page A"'),
        ).toBeVisible({ timeout: 10_000 });
      });
      stepResults.push({
        feature: "Wikilink + backlink",
        status: r.ok ? "OK" : "KO",
        details: r.ok
          ? "Wikilink suggestion + backlink panel show correctly"
          : `Wikilink/backlink flow broken — ${r.error ?? ""}`,
        screenshot: r.screenshot,
      });
    }

    // Helper to create a fresh page for each slash test (isolates failures).
    async function freshPage(title: string): Promise<void> {
      if (spaceUrl) {
        await page.goto(spaceUrl, { waitUntil: "domcontentloaded" });
      } else {
        await enterFirstSpace(page);
      }
      await clickCreatePage(page);
      const titleInput = page
        .locator('[data-testid="page-title"]')
        .or(page.getByPlaceholder(/untitled|sans titre|title/i))
        .or(page.locator('input[type="text"]').first())
        .first();
      await titleInput.waitFor({ state: "visible", timeout: 10_000 });
      await titleInput.fill(title);
      await titleInput.press("Tab");
      await expect(page).toHaveURL(/\/p\//, { timeout: 10_000 });
    }

    // 5. Slash /database.
    {
      const r = await safeStep(page, "5-slash-database", async () => {
        await freshPage("Smoke Database Test");
        const editor = page.locator(".ProseMirror").first();
        await editor.click({ timeout: 5_000 });
        // Track if the page reloads (Corentin's reported bug).
        let reloaded = false;
        page.once("framenavigated", () => {
          reloaded = true;
        });
        await page.keyboard.type("/database");
        // Slash menu should appear.
        const slashMenu = page
          .locator('[data-testid="slash-menu"]')
          .or(page.locator('[role="listbox"]'))
          .or(page.locator(".tippy-box"))
          .first();
        await expect(slashMenu).toBeVisible({ timeout: 5_000 });
        await page.keyboard.press("Enter");
        // The Acadenice database picker modal should open.
        const modal = page
          .getByRole("dialog")
          .or(page.locator('[data-testid="database-picker"]'))
          .first();
        await expect(modal).toBeVisible({ timeout: 8_000 });
        // The modal should list at least one Baserow table (personne, formation, bloc...).
        await expect(
          modal.getByText(/personne|formation|bloc/i).first(),
        ).toBeVisible({ timeout: 8_000 });
        if (reloaded) {
          throw new Error("Page reloaded during /database — crash bug confirmed");
        }
      });
      stepResults.push({
        feature: "Slash /database",
        status: r.ok ? "OK" : "KO",
        details: r.ok
          ? "Database picker modal opens with Baserow tables listed"
          : `/database broken — ${r.error ?? ""}`,
        screenshot: r.screenshot,
      });
    }

    // 6. Slash /template.
    {
      const r = await safeStep(page, "6-slash-template", async () => {
        await freshPage("Smoke Template Test");
        const editor = page.locator(".ProseMirror").first();
        await editor.click({ timeout: 5_000 });
        await page.keyboard.type("/template");
        const slashMenu = page
          .locator('[data-testid="slash-menu"]')
          .or(page.locator('[role="listbox"]'))
          .or(page.locator(".tippy-box"))
          .first();
        await expect(slashMenu).toBeVisible({ timeout: 5_000 });
        await page.keyboard.press("Enter");
        const modal = page
          .getByRole("dialog")
          .or(page.locator('[data-testid="template-picker"]'))
          .first();
        await expect(modal).toBeVisible({ timeout: 8_000 });
        // Modal must list the 5 seeded templates — assert on a known one.
        // If "aucun modele" / "no template" is shown, the picker is empty (bug).
        const empty = modal
          .getByText(/aucun mod[èe]le|no template|empty/i)
          .first();
        const hasEmpty = await empty.isVisible().catch(() => false);
        if (hasEmpty) {
          throw new Error(
            "Template picker shows empty state but DB has 5 templates",
          );
        }
        await expect(
          modal.getByText(/daily|standup|meeting|note/i).first(),
        ).toBeVisible({ timeout: 8_000 });
      });
      stepResults.push({
        feature: "Slash /template",
        status: r.ok ? "OK" : "KO",
        details: r.ok
          ? "Template picker lists templates from DB"
          : `/template broken — ${r.error ?? ""}`,
        screenshot: r.screenshot,
      });
    }

    // 7. Slash /sync-block.
    {
      const r = await safeStep(page, "7-slash-sync-block", async () => {
        await freshPage("Smoke SyncBlock Test");
        const editor = page.locator(".ProseMirror").first();
        await editor.click({ timeout: 5_000 });
        await page.keyboard.type("/sync");
        const slashMenu = page
          .locator('[data-testid="slash-menu"]')
          .or(page.locator('[role="listbox"]'))
          .or(page.locator(".tippy-box"))
          .first();
        await expect(slashMenu).toBeVisible({ timeout: 5_000 });
        // Look for "sync block" entry.
        const syncEntry = slashMenu
          .getByText(/sync ?block|bloc synchronis/i)
          .first();
        await expect(syncEntry).toBeVisible({ timeout: 5_000 });
        await syncEntry.click();
        // Sync block node should be inserted in the editor.
        const syncNode = page
          .locator('[data-type="sync-block"]')
          .or(page.locator('[data-testid="sync-block"]'))
          .first();
        await expect(syncNode).toBeVisible({ timeout: 8_000 });
      });
      stepResults.push({
        feature: "Slash /sync-block",
        status: r.ok ? "OK" : "KO",
        details: r.ok
          ? "Sync block node inserted"
          : `/sync-block broken — ${r.error ?? ""}`,
        screenshot: r.screenshot,
      });
    }

    // 8. Graph view from workspace.
    {
      const r = await safeStep(page, "8-graph-workspace", async () => {
        // Try the sidebar link first (French UI: "Graphe de connaissance").
        await gotoHome(page);
        const sidebarGraph = page
          .getByRole("link", { name: /graphe de connaissance|knowledge graph|graph/i })
          .first();
        if (await sidebarGraph.count()) {
          await sidebarGraph.click({ timeout: 5_000 }).catch(async () => {
            await page.goto(`${BASE_URL}/graph`, { waitUntil: "domcontentloaded" });
          });
        } else {
          await page.goto(`${BASE_URL}/graph`, { waitUntil: "domcontentloaded" });
        }
        // The graph canvas (cytoscape, vis-network, or sigma) renders to <canvas>.
        const canvas = page
          .locator('[data-testid="graph-canvas"]')
          .or(page.locator("canvas"))
          .or(page.locator("svg.graph"))
          .first();
        await expect(canvas).toBeVisible({ timeout: 15_000 });
        // The graph data API call should have responded.
        // We accept a node count badge OR a non-empty <svg>/<canvas>.
        const empty = page
          .getByText(/no pages|aucune page|graph is empty/i)
          .first();
        const isEmpty = await empty.isVisible().catch(() => false);
        if (isEmpty) {
          throw new Error("Graph view rendered but reports empty state");
        }
      });
      stepResults.push({
        feature: "Graph view (workspace)",
        status: r.ok ? "OK" : "KO",
        details: r.ok
          ? "Graph canvas rendered with nodes"
          : `Graph view broken — ${r.error ?? ""}`,
        screenshot: r.screenshot,
      });
    }

    // 9. Graph view from a space.
    {
      const r = await safeStep(page, "9-graph-space", async () => {
        await gotoHome(page);
        // Click first space in the sidebar.
        const spaceLink = page
          .locator('a[href*="/s/"]')
          .first();
        await spaceLink.click({ timeout: 5_000 });
        await expect(page).toHaveURL(/\/s\//, { timeout: 10_000 });
        // Open the space-level graph (button in space header or sidebar).
        const graphBtn = page
          .getByRole("link", { name: /graph|graphe/i })
          .or(page.getByRole("button", { name: /graph|graphe/i }))
          .first();
        await graphBtn.click({ timeout: 5_000 });
        const canvas = page
          .locator('[data-testid="graph-canvas"]')
          .or(page.locator("canvas"))
          .first();
        await expect(canvas).toBeVisible({ timeout: 15_000 });
      });
      stepResults.push({
        feature: "Graph view (space-scoped)",
        status: r.ok ? "OK" : "KO",
        details: r.ok
          ? "Space-scoped graph rendered"
          : `Space graph broken — ${r.error ?? ""}`,
        screenshot: r.screenshot,
      });
    }
  });
});