// traceQueryEditor.spec.js
// Tests for OpenObserve Traces feature - Query Editor and filtering functionality
// Following the modular pattern from Logs tests

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("Trace Query Editor testcases", () => {
  test.describe.configure({ mode: 'serial' });
  let pm; // Page Manager instance

  test.beforeEach(async ({ page }, testInfo) => {
    // Initialize test setup
    testLogger.testStart(testInfo.title, testInfo.file);

    // Navigate to base URL with authentication
    await navigateToBase(page);
    pm = new PageManager(page);

    // Post-authentication stabilization wait
    await page.waitForLoadState('networkidle', { timeout: 10000 }).catch(() => {});

    // Navigate to traces page
    await pm.tracesPage.navigateToTraces();

    // Select the default stream as data is ingested for it only
    await pm.tracesPage.isStreamSelectVisible()
    await pm.tracesPage.selectTraceStream('default');
    await page.waitForTimeout(2000);


    testLogger.info('Test setup completed for trace query editor');
  });

  test.afterEach(async ({ }, testInfo) => {
    testLogger.testEnd(testInfo.title, testInfo.status);
  });

  // P0 - Critical Path Tests
  test("P0: Use query editor to run basic trace search", {
    tag: ['@traceQueryEditor', '@traces', '@query', '@smoke', '@P0', '@all']
  }, async ({ page }) => {
    testLogger.info('Testing query editor for basic trace search');

    // Enter search query
    await pm.tracesPage.enterTraceQuery("service_name='api-gateway'");

    // Verify query appears in editor using page object
    const editorContent = await pm.tracesPage.getQueryEditorContent();
    expect(editorContent).toContain("service_name='api-gateway'");
    testLogger.info('Query entered successfully in editor');

    // Set time range and run search
    await pm.tracesPage.setTimeRange('15m');
    await pm.tracesPage.runSearch();

    // Wait for search to complete with retry logic
    let searchCompleted = false;
    for (let i = 0; i < 3; i++) {
      await page.waitForTimeout(2000);
      const hasResults = await pm.tracesPage.hasTraceResults();
      const hasNoResults = await pm.tracesPage.isNoResultsVisible();

      if (hasResults || hasNoResults) {
        searchCompleted = true;
        testLogger.info(`Search completed on attempt ${i + 1}: Results=${hasResults}, NoResults=${hasNoResults}`);
        break;
      }
    }

    // Verify search completed
    expect(searchCompleted).toBeTruthy();

    // If results exist, verify they match the filter using page object
    if (await pm.tracesPage.hasTraceResults()) {
      const serviceNameVisible = await pm.tracesPage.isTextVisibleInResults('api-gateway');
      if (serviceNameVisible) {
        testLogger.info('Results correctly filtered by service name');
      }
    }

    testLogger.info('Basic trace search completed successfully');
  });

  // P1 - Core Functionality Tests
  test("P1: Filter traces by expanding and selecting field values", {
    tag: ['@traceQueryEditor', '@traces', '@query', '@functional', '@P1', '@all']
  }, async ({ page }) => {
    testLogger.info('Testing field expansion and filtering by clicking field values');

    // Initial setup and search
    await pm.tracesPage.setupTraceSearch();

    // Expand status_code field
    const expanded = await pm.tracesPage.expandTraceField('status_code');

    if (expanded) {
      // Select status_code='2' value
      const selected = await pm.tracesPage.selectFieldValue('status_code', '2');

      if (selected) {
        // Verify filter appears in query editor using page object
        const editorContent = await pm.tracesPage.getQueryEditorContent();

        if (editorContent.includes('status_code=')) {
          testLogger.info('Status code filter successfully applied');
        }

        // Run query with filter
        await pm.tracesPage.runSearch();
        await page.waitForTimeout(2000);

        // Verify query was applied
        expect(editorContent.includes('status_code') || selected).toBeTruthy();
      } else {
        testLogger.info('Could not select status_code value - field may not have value 2');
        // Verify expansion worked
        expect(expanded).toBeTruthy();
      }
    } else {
      // Try alternative field - service_name
      const serviceExpanded = await pm.tracesPage.expandTraceField('service_name');

      if (serviceExpanded) {
        await pm.tracesPage.selectFieldValue('service_name', 'api-gateway');
        await pm.tracesPage.runSearch();
        await page.waitForTimeout(2000);
        expect(serviceExpanded).toBeTruthy();
      } else {
        // Verify search still works
        const hasResults = await pm.tracesPage.hasTraceResults();
        const noResults = await pm.tracesPage.isNoResultsVisible();
        expect(hasResults || noResults).toBeTruthy();
      }
    }
  });

  // NOTE: "P1: Click on trace result to view span details" test removed per Rule 4 (No duplicates)
  // This functionality is already covered by:
  // - "P0: View trace details from search results" in tracesSearch.spec.js
  // - "P1: Verify trace span attributes and values" test below
  // - Multiple tests in traceDetails.spec.js

  // NOTE: "P1: Filter traces by service name from span details" test removed per Rule 4 (No duplicates)
  // This functionality is already covered by:
  // - traceDetails.spec.js tests which verify trace detail interactions
  // - The trace details navigation is validated in other passing tests

  // P2 - Edge Cases
  test("P2: View error spans and their details", {
    tag: ['@traceQueryEditor', '@traces', '@query', '@edge', '@P2', '@all']
  }, async ({ page }) => {
    testLogger.info('Testing error span viewing');

    // Setup and run initial search
    await pm.tracesPage.setupTraceSearch();

    // Look for traces with errors using page object
    const hasErrorTraces = await pm.tracesPage.hasErrorTracesWithPattern();
    if (hasErrorTraces) {
      await pm.tracesPage.clickFirstErrorTrace();
      testLogger.info('Clicked on trace with errors');

      await page.waitForTimeout(2000);

      // All three checks below read the waterfall span tree, which only renders
      // on the 'waterfall' tab. The view opens on the flame graph by default and
      // the last active tab is persisted, so select waterfall explicitly.
      await pm.tracesPage.openTraceDetailsTab('waterfall');

      // Look for ERROR status in the span details using page object
      const errorCellVisible = await pm.tracesPage.isErrorStatusVisible();
      if (errorCellVisible) {
        await pm.tracesPage.clickCell('ERROR');
        testLogger.info('Found and clicked ERROR status cell');
      }

      // Check for status code 2 (error) using page object
      const statusCode2Visible = await pm.tracesPage.isStatusCode2Visible();
      if (statusCode2Visible) {
        testLogger.info('Found error status code 2');
      }

      // Verify error trace was opened
      expect(errorCellVisible || statusCode2Visible || await pm.tracesPage.isTraceDetailsTreeVisible()).toBeTruthy();
    } else {
      testLogger.info('No traces with errors found');
      // Verify search completed properly
      const hasResults = await pm.tracesPage.hasTraceResults();
      const noResults = await pm.tracesPage.isNoResultsVisible();
      expect(hasResults || noResults).toBeTruthy();
    }
  });


  test("P1: Verify trace span attributes and values", {
    tag: ['@traceQueryEditor', '@traces', '@query', '@functional', '@P1', '@all']
  }, async ({ page }) => {
    testLogger.info('Testing trace span attributes');

    // Setup and run search
    await pm.tracesPage.setupTraceSearch();

    // Check if we have results
    const hasResults = await pm.tracesPage.hasTraceResults();
    if (!hasResults) {
      throw new Error('Precondition failed: No trace results available. Ensure trace data is ingested.');
    }

    // Click on first trace result
    await pm.tracesPage.clickFirstTraceResult();

    // Wait with retry for trace details to render (UI may be slow)
    let detailsTreeVisible = false;
    let anyDetailsVisible = false;
    let clickSuccessful = false;

    for (let attempt = 0; attempt < 3; attempt++) {
      await page.waitForTimeout(2000);
      detailsTreeVisible = await pm.tracesPage.isTraceDetailsTreeVisible();
      anyDetailsVisible = await pm.tracesPage.isAnyTraceDetailVisible();
      clickSuccessful = await pm.tracesPage.isTraceClickSuccessful();

      if (detailsTreeVisible || anyDetailsVisible) {
        testLogger.info(`Trace details visible on attempt ${attempt + 1}`);
        break;
      }

      // If click was successful, UI may show trace details inline
      if (clickSuccessful) {
        testLogger.info(`Trace click successful on attempt ${attempt + 1} - UI may show details inline`);
        break;
      }

      testLogger.info(`Waiting for trace details, attempt ${attempt + 1}`);
    }

    // Look for common trace attributes using page object
    const attributes = ['status_code', 'service_name', 'span_name', 'duration'];
    let foundAttributes = 0;

    for (const attr of attributes) {
      const attrVisible = await pm.tracesPage.isAttributeCellVisible(attr);
      if (attrVisible) {
        testLogger.info(`Found attribute: ${attr}`);
        foundAttributes++;

        // Try to click on the attribute to see its value
        await pm.tracesPage.clickAttributeCell(attr);
      }
    }

    // Verify at least some attributes were found, trace details are visible, or click was handled
    expect(foundAttributes > 0 || detailsTreeVisible || anyDetailsVisible || clickSuccessful).toBeTruthy();
    testLogger.info(`Found ${foundAttributes} of ${attributes.length} expected attributes`);
  });

});