import { test, expect } from '@playwright/test';
import { ae_app_local_data_defaults } from './_helpers/ae_defaults';
import { testing_account_id } from './_helpers/env';

// Use canonical demo journal id for deterministic tests
const journal_id = 'BVYE-94-46-29'; // Per README test data

test.describe('Cold-start: Journal view (IndexedDB empty)', () => {
  test.beforeEach(async ({ page }) => {
    page.on('pageerror', (err) => console.error(`BROWSER ERROR: ${err.message}`));
    page.on('console', (msg) => {
      if (msg.type() === 'error' || msg.type() === 'warning')
        console.error(`BROWSER [${msg.type().toUpperCase()}]: ${msg.text()}`);
    });

    // Provide app localStorage context (account + journal selection) BEFORE
    // any navigation so app scripts see the expected `ae_loc` values.
    await page.addInitScript(
      ({ defaults, account_id, journal_id }) => {
        const testData = {
          ...defaults,
          account_id: account_id,
          // Administrator mode for tests: ensures trusted/authenticated fallthrough
          administrator_access: true,
          trusted_access: true,
          authenticated_access: true,
          manager_access: false,
          super_access: false,
          edit_mode: true,
          // Ensure abstract module prop is present for layout/components
          mod_abstracts_json: {},
          // Provide a test person id so owner-only pages render in tests
          person_id: 'QWODAPCNLQU', // Per README test data
          user: { id: 'QWODAPCNLQU' } // Per README test data
        };
        window.localStorage.setItem('ae_loc', JSON.stringify(testData));
        // Also set a lightweight selection object used by pages
        window.localStorage.setItem('ae_slct', JSON.stringify({ journal_id: journal_id }));
      },
      { defaults: ae_app_local_data_defaults, account_id: testing_account_id, journal_id: journal_id }
    );

    // Navigate to the app origin so IndexedDB is available in the page
    // context, then delete known Dexie DBs to simulate a cold start.
    await page.goto('/');
    await page.evaluate(() => {
      const dbs = [
        'ae_journals_db',
        'ae_events_db',
        'ae_posts_db',
        'ae_archives_db',
        'ae_core_db'
      ];
      return Promise.all(
        dbs.map((name) =>
          new Promise((resolve) => {
            try {
              const req = indexedDB.deleteDatabase(name);
              req.onsuccess = () => resolve(true);
              req.onerror = () => resolve(false);
              req.onblocked = () => resolve(false);
            } catch (e) {
              resolve(false);
            }
          })
        )
      );
    });

    // Seed IndexedDB with the journal record so local liveQuery finds it
    await page.evaluate(({ journal_id }) => {
      return new Promise<void>((resolve) => {
        try {
          const req = indexedDB.open('ae_journals_db', 1);
          req.onupgradeneeded = (ev) => {
            const db = (ev.target as IDBOpenDBRequest).result;
            if (!db.objectStoreNames.contains('journal')) {
              db.createObjectStore('journal', { keyPath: 'id' });
            }
          };
          req.onsuccess = () => {
            const db = req.result;
            const tx = db.transaction('journal', 'readwrite');
            const store = tx.objectStore('journal');
             // Why are both the id and journal_id fields being set?
            store.put({ id: journal_id, journal_id: journal_id, name: 'Demo Journal (Cold Start Test)', description: 'Created for cold-start Playwright test', person_id: 'QWODAPCNLQU' }); // Per README test data
            tx.oncomplete = () => {
              db.close();
              resolve();
            };
            tx.onerror = () => {
              db.close();
              resolve();
            };
          };
          req.onerror = () => resolve();
        } catch (e) {
          resolve();
        }
      });
    }, { journal_id });

    // Mock the journal GET endpoint used by the journal page
    await page.route('**/v3/**', async (route) => {
      const req = route.request();
      const url = req.url();

      if (url.includes(`/v3/crud/journal/${journal_id}`) && req.method() === 'GET') {
        return route.fulfill({
          status: 200,
          contentType: 'application/json',
          body: JSON.stringify({ data: {
            id: journal_id, // Why are both the id and journal_id fields being set?
            journal_id: journal_id, // Why are both the id and journal_id fields being set?
            name: 'Demo Journal (Cold Start Test)',
            description: 'Created for cold-start Playwright test'
          } })
        });
      }

      // Default: empty envelope
      return route.fulfill({ status: 200, contentType: 'application/json', body: JSON.stringify({ data: [] }) });
    });

    // (already set above)
  });

  test('renders Journal page without prior IndexedDB cache', async ({ page }) => {
    await page.goto(`/journals/${journal_id}`);

    // The journal title appears in the journal component header
    const journal_name = page.locator('h2.journal__name');
    await expect(journal_name).toContainText('Demo Journal (Cold Start Test)', { timeout: 10000 });
  });
});