// tests/e2e/04-career-explorer.core.spec.mjs
// @ts-check
import { test, expect } from '@playwright/test';
import { loadTestUser } from '../utils/testUser.js';

test.describe('@p0 Career Explorer core', () => {
  // Enough headroom for cold suggestion builds, but still bounded.
  test.setTimeout(40000);

  test('suggestions visible (or reload) → open modal → add to comparison (+event bridge)', async ({ page }) => {
    const user = loadTestUser();
    const TIME = {
      overlayAppear: 2000,   // overlay should show quickly if it appears
      cache:         60000,  // wait for cache to populate after reload
      tile:           8000,  // find a tile quickly once cache exists
      confirm:        7000,  // modal/button appearances
      tableRow:      20000,  // time for table update after Save
    };

    // Accept alerts: inventory prompt and possible "already in comparison" duplicate
    let sawInventoryAlert = false;
    let sawDuplicateAlert = false;
    page.on('dialog', async d => {
      const msg = d.message();
      if (/Interest Inventory/i.test(msg)) sawInventoryAlert = true;
      if (/already in comparison/i.test(msg)) sawDuplicateAlert = true;
      await d.accept();
    });

    // Helper: close any blocking overlay (priorities / meaning) by saving neutral defaults.
    async function closeAnyOverlay() {
      const overlay = page.locator('div.fixed.inset-0');
      if (!(await overlay.isVisible({ timeout: 500 }).catch(() => false))) return;

      const dialog = overlay.locator('div[role="dialog"], div.bg-white').first();

      // Select first non-empty option in each <select> (if any)
      const selects = dialog.locator('select');
      const sc = await selects.count().catch(() => 0);
      for (let i = 0; i < sc; i++) {
        const opts = selects.nth(i).locator('option');
        const n = await opts.count().catch(() => 0);
        for (let j = 0; j < n; j++) {
          const v = await opts.nth(j).getAttribute('value');
          if (v) { await selects.nth(i).selectOption(v); break; }
        }
      }

      // If there’s a textbox, enter neutral “3”
      const tb = dialog.locator('input, textarea, [role="textbox"]').first();
      if (await tb.isVisible().catch(() => false)) await tb.fill('3');

      // Prefer Save/Continue; else Cancel/Close; else Escape
      const save = dialog.getByRole('button', { name: /(Save|Continue|Done|OK)/i });
      const cancel = dialog.getByRole('button', { name: /(Cancel|Close)/i });
      if (await save.isVisible({ timeout: 500 }).catch(() => false)) await save.click();
      else if (await cancel.isVisible({ timeout: 500 }).catch(() => false)) await cancel.click();
      else { await page.keyboard.press('Escape'); }

      await overlay.waitFor({ state: 'hidden', timeout: 5000 }).catch(() => {});
    }

    // Helper: wait until careerSuggestionsCache has > 0 items
    async function waitForSuggestionsCache() {
      await expect
        .poll(async () => {
          return await page.evaluate(() => {
            try {
              const s = localStorage.getItem('careerSuggestionsCache');
              const arr = s ? JSON.parse(s) : [];
              return Array.isArray(arr) ? arr.length : 0;
            } catch { return 0; }
          });
        }, { timeout: TIME.cache, message: 'careerSuggestionsCache not populated' })
        .toBeGreaterThan(0);
    }

    // Helper: full reload → wait for cache (no percentage polling)
    async function reloadSuggestionsAndWait() {
      const reloadBtn = page.getByRole('button', { name: /Reload Career Suggestions/i });
      await expect(reloadBtn).toBeVisible();
      await closeAnyOverlay(); // ensure nothing intercepts
      await reloadBtn.click();

      // If an overlay appears, let it mount (don’t require 100%)
      const overlayText = page.getByText(/Loading Career Suggestions/i).first();
      await overlayText.isVisible({ timeout: TIME.overlayAppear }).catch(() => {});

      // Real readiness check: cache populated
      await waitForSuggestionsCache();
    }

    // Sign in
    await page.context().clearCookies();
    await page.goto('/signin', { waitUntil: 'networkidle' });
    await page.getByPlaceholder('Username', { exact: true }).fill(user.username);
    await page.getByPlaceholder('Password', { exact: true }).fill(user.password);
    await page.getByRole('button', { name: /^Sign In$/ }).click();
    await page.waitForURL('**/signin-landing**', { timeout: 15000 });

    // Go to Career Explorer
    await page.goto('/career-explorer', { waitUntil: 'networkidle' });
    await expect(
      page.getByRole('heading', { name: /Explore Careers - use these tools/i })
    ).toBeVisible();

    // If a priorities/meaning gate is up, close it first
    await closeAnyOverlay();

    // Ensure suggestions exist: try a reload, or complete inventory if server prompts for it.
    const firstTile = page.locator('div.grid button').first();
    if (!(await firstTile.isVisible({ timeout: 1500 }).catch(() => false))) {
      await reloadSuggestionsAndWait();

      // If server demanded Interest Inventory, complete it fast (dev has Randomize), then retry once.
      if (sawInventoryAlert) {
        await page.goto('/interest-inventory', { waitUntil: 'networkidle' });
        await expect(page.getByRole('heading', { name: /Interest Inventory/i })).toBeVisible();
        const randomizeBtn = page.getByRole('button', { name: /Randomize Answers/i });
        if (await randomizeBtn.isVisible().catch(() => false)) {
          await randomizeBtn.click();
          await expect(page.getByText(/60\s*\/\s*60\s*answered/i)).toBeVisible();
        } else {
          // Fallback: fill each page with Neutral (3)
          for (let p = 0; p < 10; p++) {
            const selects = page.locator('select');
            const n = await selects.count();
            for (let i = 0; i < n; i++) await selects.nth(i).selectOption('3');
            if (p < 9) await page.getByRole('button', { name: /^Next$/ }).click();
          }
        }
        await page.getByRole('button', { name: /^Submit$/ }).click();
        await page.waitForURL('**/career-explorer**', { timeout: 20000 });
        await closeAnyOverlay();
        await reloadSuggestionsAndWait();
      }
    }

    // Click a suggestion. Capture the title we clicked so we can assert by text later.
    let clickedTitle = null;

    // Prefer clicking by exact title from cache.
    const cachedFirstTitle = await page.evaluate(() => {
      try {
        const s = localStorage.getItem('careerSuggestionsCache');
        const arr = s ? JSON.parse(s) : [];
        return Array.isArray(arr) && arr.length ? String(arr[0].title || '') : null;
      } catch { return null; }
    });

    if (cachedFirstTitle) {
      const esc = cachedFirstTitle.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
      const tileByTitle = page.getByRole('button', { name: new RegExp(`^${esc}$`) });
      await expect(tileByTitle).toBeVisible({ timeout: TIME.tile });
      clickedTitle = cachedFirstTitle;
      await tileByTitle.click();
    } else {
      await expect(firstTile).toBeVisible({ timeout: TIME.tile });
      clickedTitle = (await firstTile.textContent())?.replace('⚠️', '').trim() || null;
      await firstTile.click();
    }

    // Wait for CareerModal, capture the definitive modal title if present (more reliable than tile text)
    const modalH2 = page.getByRole('heading', { level: 2 });
    if (await modalH2.isVisible({ timeout: TIME.confirm }).catch(() => false)) {
      const t = await modalH2.first().textContent().catch(() => null);
      if (t) clickedTitle = t.trim();
    }

    // Add to Comparison
    await expect(page.getByRole('button', { name: /Add to Comparison/i }))
      .toBeVisible({ timeout: TIME.confirm });
    await page.getByRole('button', { name: /Add to Comparison/i }).click();

    // Ratings modal: MUST click Save for the row to appear
    {
      const overlay = page.locator('div.fixed.inset-0');
      if (await overlay.isVisible({ timeout: 2000 }).catch(() => false)) {
        const dlg = overlay.locator('div[role="dialog"], div.bg-white').first();

        // Fill any selects (choose '3' if available)
        const selects = dlg.locator('select');
        const sc = await selects.count().catch(() => 0);
        for (let i = 0; i < sc; i++) {
          const sel = selects.nth(i);
          if (await sel.isVisible().catch(() => false)) {
            const has3 = await sel.locator('option[value="3"]').count().catch(() => 0);
            if (has3) await sel.selectOption('3');
            else {
              const opts = sel.locator('option');
              const n = await opts.count().catch(() => 0);
              for (let j = 0; j < n; j++) {
                const v = await opts.nth(j).getAttribute('value');
                if (v) { await sel.selectOption(v); break; }
              }
            }
          }
        }
        // Fill any text/number inputs (set to '3' if empty)
        const inputs = dlg.locator('input[type="number"], input[type="text"], [role="textbox"]');
        const ic = await inputs.count().catch(() => 0);
        for (let i = 0; i < ic; i++) {
          const inp = inputs.nth(i);
          if (await inp.isVisible().catch(() => false)) {
            const val = (await inp.inputValue().catch(() => '')) || '';
            if (!val) await inp.fill('3');
          }
        }
        // Click Save (cover common label variants), else press Enter
        const saveBtn = dlg.getByRole('button', { name: /^(Save|Save Ratings|Confirm|Done)$/i });
        if (await saveBtn.isVisible({ timeout: 1000 }).catch(() => false)) {
          await saveBtn.click();
        } else {
          await page.keyboard.press('Enter');
        }
        await overlay.waitFor({ state: 'hidden', timeout: 5000 }).catch(() => {});
      }
    }

    // Assert success by presence of the clicked title in the table (or duplicate alert fallback).
    const table = page.locator('table');
    const rowLocator = table.locator('tbody tr');

    await table.waitFor({ state: 'attached', timeout: 5000 }).catch(() => {});
    await expect(async () => {
      // If duplicate alert fired, consider success
      if (sawDuplicateAlert) return true;

      // Title-based presence (most reliable)
      if (clickedTitle) {
        const esc = clickedTitle.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
        const cellWithTitle = table.getByText(new RegExp(esc, 'i'));
        if (await cellWithTitle.isVisible().catch(() => false)) return true;
      }

      // Fallback: any increase in row count
      const count = await rowLocator.count().catch(() => 0);
      return count > 0;
    }).toPass({ timeout: TIME.tableRow });

    // ─────────────────────────────────────────────────────────────
    // Event bridge checks (no duplicate add to avoid extra rows)
    // ─────────────────────────────────────────────────────────────
    // Pull a SOC from suggestions cache for events to target
    const evSoc = await page.evaluate(() => {
      try {
        const arr = JSON.parse(localStorage.getItem('careerSuggestionsCache') || '[]');
        return Array.isArray(arr) && arr.length ? (arr[0].code || arr[0].soc_code) : null;
      } catch { return null; }
    });

    if (evSoc) {
      // 1) open-career should open CareerModal
      await page.evaluate((soc) => {
        window.dispatchEvent(new CustomEvent('open-career', { detail: { socCode: soc } }));
      }, evSoc);

      await expect(page.getByRole('button', { name: /Add to Comparison/i }))
        .toBeVisible({ timeout: TIME.confirm });

      // Close modal to keep state clean
      const closeBtnEv = page.getByRole('button', { name: /^Close$/i });
      if (await closeBtnEv.isVisible().catch(() => false)) await closeBtnEv.click();
      else await page.keyboard.press('Escape');

      // 2) add-career should either add (if new) or trigger duplicate alert (if already present)
      let sawDupAlertEv = false;
      page.once('dialog', async d => {
        if (/already in comparison/i.test(d.message())) sawDupAlertEv = true;
        await d.accept();
      });

      const beforeRowsEv = await rowLocator.count().catch(() => 0);
     await page.evaluate(({ soc, title }) => {
        window.dispatchEvent(new CustomEvent('add-career', {
          detail: { socCode: soc, careerName: title || '(name unavailable)' }
        }));
      }, { soc: evSoc, title: clickedTitle });

      // If a ratings modal appears, save neutral defaults
      const overlayEv = page.locator('div.fixed.inset-0');
      if (await overlayEv.isVisible({ timeout: 1500 }).catch(() => false)) {
        const dlg = overlayEv.locator('div[role="dialog"], div.bg-white').first();
        const selects = dlg.locator('select');
        const sc = await selects.count().catch(() => 0);
        for (let i = 0; i < sc; i++) {
          const sel = selects.nth(i);
          const has3 = await sel.locator('option[value="3"]').count().catch(() => 0);
          if (has3) await sel.selectOption('3');
        }
        const tb = dlg.locator('input, textarea, [role="textbox"]').first();
        if (await tb.isVisible().catch(() => false)) await tb.fill('3');
        const saveEv = dlg.getByRole('button', { name: /^(Save|Save Ratings|Confirm|Done|OK)$/i });
        if (await saveEv.isVisible({ timeout: 800 }).catch(() => false)) await saveEv.click();
        await overlayEv.waitFor({ state: 'hidden', timeout: 4000 }).catch(() => {});
      }

      await expect(async () => {
        const afterEv = await rowLocator.count().catch(() => 0);
        // Pass if either duplicate alert fired OR row count increased
        return sawDupAlertEv || afterEv > beforeRowsEv;
      }).toPass({ timeout: 8000 });
    }
  });
});