import { test, expect } from '@playwright/test';
import { login } from './helpers/auth';
import { epic, feature, severity, description, tag } from './helpers/allure';
import { navigateToSettings } from './helpers/navigation';

test.describe('Settings Tests', () => {
  test.setTimeout(90000);
  test.beforeEach(async ({ page }) => {
    epic('Settings');
    await login(page);
    await navigateToSettings(page);
    await page.waitForTimeout(2000);
  });

  test('should display Discount Rate Configuration for the Discounts settings tab', async ({ page }) => {
    feature('Settings Operations');
    tag('functional');
    severity('normal');
    description('Open the Discount rates settings tab and verify the configuration table renders correctly, whether rates are configured or not');

    console.log('Testing Discount rates settings tab...');

    await test.step('Open Discount rates tab', async () => {
      const discountRatesTab = page.getByText('Discount rates', { exact: true }).first();
      await expect(discountRatesTab, 'Discount rates tab should be visible').toBeVisible({ timeout: 10000 });
      await discountRatesTab.click();
      await page.waitForTimeout(1500);
      console.log('✓ Opened Discount rates');
    });

    await test.step('Verify the Discount Rate Configuration table', async () => {
      const ratesTable = page.locator('xpath=//*[contains(text(),"Discount Rate Configuration")]/following::table[1]').first();
      await expect(ratesTable, 'Discount Rate Configuration table should be visible').toBeVisible({ timeout: 10000 });

      const headers = await ratesTable.locator('thead th').allTextContents();
      console.log('Headers:', JSON.stringify(headers));
      let cardIdx = -1, mdrIdx = -1, vatIdx = -1, capIdx = -1, feeIdx = -1;
      for (let i = 0; i < headers.length; i++) {
        const t = headers[i].trim().toLowerCase();
        if (t === 'card') cardIdx = i;
        else if (t === 'mdr') mdrIdx = i;
        else if (t === 'vat') vatIdx = i;
        else if (t.includes('cap')) capIdx = i;
        else if (t.includes('processing') || t === 'fee') feeIdx = i;
      }
      expect(cardIdx, 'A Card column should exist').toBeGreaterThanOrEqual(0);
      expect(mdrIdx, 'An MDR column should exist').toBeGreaterThanOrEqual(0);

      // Real data rows only - excludes the hidden measure row (aria-hidden)
      // and an empty-state "No data" placeholder row (both previously got
      // miscounted by earlier code as bogus zero-value rate entries).
      const rows = ratesTable.locator('tbody tr:not([aria-hidden="true"])');
      const rowCount = await rows.count();
      console.log(`Row count (excluding hidden measure row): ${rowCount}`);

      const bodyText = await ratesTable.locator('tbody').innerText();
      const isEmptyState = /no data/i.test(bodyText) && rowCount <= 1;

      if (isEmptyState) {
        console.log('✓ No discount rates configured - "No data" empty state correctly shown');
        // Scope to a real text-bearing element - a plain `text=/no data/i`
        // locator also matches a hidden SVG <title> icon label with the same
        // text, which is never actually visible.
        await expect(ratesTable.locator('article, span, div').filter({ hasText: /^No data$/i }).first(), 'Empty state should show "No data"').toBeVisible();
      } else {
        console.log(`✓ Found ${rowCount} configured discount rate row(s), validating each`);
        expect(rowCount, 'There should be at least one configured rate row').toBeGreaterThan(0);

        // Read a numeric value the same safe way used for the Discounts page
        // breakdown table: the value sits in the last <article> in the cell,
        // separate from an embedded currency/percent icon's <style> content.
        const readCellNum = async (row: import('@playwright/test').Locator, idx: number): Promise<number> => {
          if (idx < 0) return 0;
          const cell = row.locator('td').nth(idx);
          const valArticle = cell.locator('article').last();
          const txt = (await valArticle.textContent().catch(() => '')) || (await cell.textContent().catch(() => '')) || '';
          const n = parseFloat(txt.replace(/[^0-9.\-]/g, ''));
          return isNaN(n) ? 0 : n;
        };

        for (let r = 0; r < rowCount; r++) {
          const row = rows.nth(r);
          const cardText = (await row.locator('td').nth(cardIdx).innerText().catch(() => '')).trim();
          const mdr = await readCellNum(row, mdrIdx);
          const vat = vatIdx >= 0 ? await readCellNum(row, vatIdx) : 0;
          const cap = capIdx >= 0 ? await readCellNum(row, capIdx) : 0;
          const fee = feeIdx >= 0 ? await readCellNum(row, feeIdx) : 0;
          console.log(`  ${cardText}: MDR ${mdr}% | VAT ${vat}% | Cap ${cap} | Fee ${fee}%`);

          expect(cardText.length, `Row ${r + 1} should have a card scheme name`).toBeGreaterThan(0);
          expect(mdr, `Row ${r + 1} (${cardText}) MDR should be a plausible percentage`).toBeGreaterThanOrEqual(0);
          expect(mdr, `Row ${r + 1} (${cardText}) MDR should be a plausible percentage`).toBeLessThanOrEqual(100);
        }
      }
    });

    console.log('✓ Discount rates settings test completed');
  });
});