const { test, expect, navigateToBase } = require('../utils/enhanced-baseFixtures.js');
const testLogger = require('../utils/test-logger.js');
const PageManager = require('../../pages/page-manager.js');

test.describe("Query Time Hash - Combined Test", { tag: '@enterprise' }, () => {
  test.describe.configure({ mode: 'serial' });
  let pm;

  // Generate unique test run ID for isolation
  const testRunId = Date.now().toString(36);

  // All patterns used in this spec file - with full pattern definitions for uniqueness
  const patternsToTest = [
    {
      name: `email_format_query_hash_${testRunId}`,
      description: 'Email address validation pattern (for query time hash tests)',
      pattern: '^[\\w\\.-]+@[\\w\\.-]+\\.\\w{2,}$',
      field: 'user_email',
      value: 'john.doe@example.com'
    },
    {
      name: `us_phone_query_hash_${testRunId}`,
      description: 'US phone number (10 digits) (for query time hash tests)',
      pattern: '^\\d{10}$',
      field: 'phone',
      value: '5551234567'
    },
    {
      name: `credit_card_query_hash_${testRunId}`,
      description: 'Credit card number pattern (for query time hash tests)',
      pattern: '^\\d{4}[\\s-]?\\d{4}[\\s-]?\\d{4}[\\s-]?\\d{4}$',
      field: 'cc_number',
      value: '1234 5678 9012 3456'
    },
    {
      name: `ssn_query_hash_${testRunId}`,
      description: 'Social Security Number pattern (for query time hash tests)',
      pattern: '^\\d{3}-\\d{2}-\\d{4}$',
      field: 'ssn',
      value: '123-45-6789'
    }
  ];

  // Use unique stream name to avoid "stream being deleted" conflicts
  const testStreamName = `sdr_query_hash_${testRunId}`;

  test.beforeEach(async ({ page }, testInfo) => {
    testLogger.testStart(testInfo.title, testInfo.file);
    await navigateToBase(page);
    pm = new PageManager(page);
    await page.waitForLoadState('networkidle', { timeout: 10000 }).catch(() => {});
    testLogger.info('Combined query time hash test setup completed');
  });

  test("setup: cleanup patterns", {
    tag: ['@sdr', '@cleanup', '@queryHash']
  }, async ({ page }) => {
    testLogger.info('=== SPEC-LEVEL CLEANUP: Cleaning up patterns for combined query hash test ===');

    for (const pattern of patternsToTest) {
      testLogger.info(`Checking and cleaning up pattern: ${pattern.name}`);
      await pm.sdrPatternsPage.navigateToRegexPatterns();
      const exists = await pm.sdrPatternsPage.checkPatternExists(pattern.name);

      if (exists) {
        testLogger.info(`Pattern ${pattern.name} exists. Deleting (and unlinking if needed).`);
        const deleteResult = await pm.sdrPatternsPage.deletePatternByName(pattern.name);

        if (!deleteResult.success && deleteResult.reason === 'in_use') {
          testLogger.info('Pattern in use, unlinking from streams first');
          for (const association of deleteResult.associations) {
            await pm.streamAssociationPage.unlinkPatternFromField(
              association.streamName,
              association.fieldName,
              pattern.name
            );
          }

          // Delete again after unlinking
          await pm.sdrPatternsPage.navigateToRegexPatterns();
          await pm.sdrPatternsPage.deletePatternByName(pattern.name);
        }
        testLogger.info(`✓ Pattern ${pattern.name} deleted successfully`);
      } else {
        testLogger.info(`✓ Pattern ${pattern.name} does not exist, no cleanup needed`);
      }
    }

    testLogger.info('=== SPEC-LEVEL CLEANUP COMPLETE ===');
  });

  test("should hash multiple fields at query time when patterns are applied", {
    tag: ['@sdr', '@queryHash', '@all', '@combined']
  }, async ({ page }, testInfo) => {
    testInfo.annotations.push({ type: 'dependency', description: 'setup: cleanup patterns' });

    testLogger.info('=== Testing combined HASH for 4 patterns at query time ===');

    // STEP 1: Ingest data once (data will remain unchanged in storage)
    testLogger.info('STEP 1: Ingest 4 lines of data (before any patterns are applied)');

    const dataToIngest = patternsToTest.map(p => ({
      fieldName: p.field,
      fieldValue: p.value
    }));

    // Query-time SDR transforms data at search time, so STEP 1 (visible) and STEP 4
    // (hashed) inspect the SAME ingested batch — reuse one marker for both.
    const ingestMarker = await pm.logsPage.ingestMultipleFields(testStreamName, dataToIngest);

    // Verify all fields are visible without hashing
    const fieldsBeforeHashing = patternsToTest.map(p => ({
      fieldName: p.field,
      shouldBeHashed: false
    }));
    await pm.sdrVerificationPage.verifyMultipleFields(pm.logsPage, testStreamName, fieldsBeforeHashing, ingestMarker);
    testLogger.info('✓ STEP 1 PASSED: All fields visible without SDR');

    // STEP 2: Create all 4 SDR patterns
    testLogger.info('STEP 2: Create all 4 SDR patterns');

    for (const patternConfig of patternsToTest) {
      await pm.sdrPatternsPage.navigateToRegexPatterns();
      await pm.sdrPatternsPage.createPattern(patternConfig.name, patternConfig.description, patternConfig.pattern);
      await pm.sdrPatternsPage.verifyPatternCreatedSuccess();

      // Verify pattern was created
      await pm.sdrPatternsPage.navigateToRegexPatterns();
      const exists = await pm.sdrPatternsPage.waitForPatternCreated(patternConfig.name); // backend-consistent create gate (API source of truth)
      expect(exists).toBeTruthy();
      testLogger.info(`✓ Created and verified pattern: ${patternConfig.name}`);
    }

    testLogger.info('✓ STEP 2 PASSED: All 4 patterns created and verified');

    // STEP 3: Link all 4 patterns to their respective fields with QUERY TIME hashing
    testLogger.info('STEP 3: Link all 4 patterns to their respective fields with HASH action');

    for (const patternConfig of patternsToTest) {
      await pm.streamAssociationPage.associatePatternWithStream(
        testStreamName,
        patternConfig.name,
        'hash',
        'query', // QUERY TIME - key difference from ingestion time
        patternConfig.field
      );
      testLogger.info(`✓ Linked pattern ${patternConfig.name} to field ${patternConfig.field} with HASH action`);
    }

    testLogger.info('✓ STEP 3 PASSED: All 4 patterns linked to fields with HASH action');

    // STEP 4: Verify all fields are HASHED at query time (NO RE-INGESTION)
    testLogger.info('STEP 4: Verify fields are HASHED at query time (data unchanged in storage)');

    const fieldsAfterHashing = patternsToTest.map(p => ({
      fieldName: p.field,
      shouldBeHashed: true
    }));
    await pm.sdrVerificationPage.verifyMultipleFields(pm.logsPage, testStreamName, fieldsAfterHashing, ingestMarker);
    testLogger.info('✓ STEP 4 PASSED: All fields are HASHED at query time');

    testLogger.info('=== ✓ COMBINED QUERY TIME HASH TEST COMPLETED SUCCESSFULLY ===');
  });
});