import { test, expect } from '@playwright/test';
import { LoginPage } from '../../page-objects/LoginPage.js';
import { PaymentsPage } from '../../page-objects/PaymentsPage.js';
import { testCredentials } from '../../fixtures/auth.js';
import { mockPayments } from '../../fixtures/payments.js';

test.describe('Payments View', () => {
  let loginPage;
  let paymentsPage;

  test.beforeEach(async ({ page }) => {
    loginPage = new LoginPage(page);
    paymentsPage = new PaymentsPage(page);

    // Mock authentication
    await page.route('**/api/auth/login', async route => {
      await route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify({
          access_token: 'mock_access_token',
          refresh_token: 'mock_refresh_token',
          user: { id: 1, username: 'testuser', full_name: 'Test User' }
        }),
      });
    });

    // Mock companies
    await page.route('**/api/companies', async route => {
      await route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify([
          { code: 'COMP1', name: 'Compania Test 1' }
        ]),
      });
    });

    // Mock payments endpoint
    await page.route('**/api/payments/COMP1', async route => {
      await route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(mockPayments),
      });
    });

    // Login and navigate to payments
    await loginPage.navigate();
    await loginPage.login(testCredentials.valid.username, testCredentials.valid.password);
    await page.waitForURL('/dashboard');
    await paymentsPage.navigate();
  });

  test('should display payments page correctly', async ({ page: _page }) => {
    expect(await paymentsPage.isOnPaymentsPage()).toBe(true);
    
    const title = await paymentsPage.getPageTitle();
    expect(title).toContain('Încasări');
  });

  test('should show company selection when no company selected', async ({ page: _page }) => {
    await paymentsPage.waitForPageLoad();
    expect(await paymentsPage.isCompanySelectionVisible()).toBe(true);
    expect(await paymentsPage.isPaymentsTableVisible()).toBe(false);
  });

  test('should display payments table after company selection', async ({ page }) => {
    await paymentsPage.waitForPageLoad();
    await paymentsPage.selectCompany('Compania Test 1');
    
    await page.waitForSelector(paymentsPage.paymentsTable, { timeout: 10000 });
    expect(await paymentsPage.isPaymentsTableVisible()).toBe(true);
  });

  test('should filter payments by search term', async ({ page }) => {
    await paymentsPage.waitForPageLoad();
    await paymentsPage.selectCompany('Compania Test 1');
    await page.waitForSelector(paymentsPage.paymentsTable);
    
    // Search for specific payment
    await paymentsPage.searchPayments('PAY001');
    await paymentsPage.waitForLoadingToFinish();
    
    const visibleRows = await paymentsPage.getVisiblePaymentsCount();
    expect(visibleRows).toBeGreaterThan(0);
    
    // Check that displayed payments contain search term
    const firstRowData = await paymentsPage.getFirstPaymentData();
    expect(firstRowData.reference).toContain('PAY001');
  });

  test('should filter payments by method', async ({ page }) => {
    await paymentsPage.waitForPageLoad();
    await paymentsPage.selectCompany('Compania Test 1');
    await page.waitForSelector(paymentsPage.paymentsTable);
    
    // Filter by bank transfer
    await paymentsPage.filterByMethod('bank_transfer');
    await paymentsPage.waitForLoadingToFinish();
    
    const visibleRows = await paymentsPage.getVisiblePaymentsCount();
    expect(visibleRows).toBeGreaterThan(0);
  });

  test('should sort payments by date', async ({ page }) => {
    await paymentsPage.waitForPageLoad();
    await paymentsPage.selectCompany('Compania Test 1');
    await page.waitForSelector(paymentsPage.paymentsTable);
    
    // Click date column header to sort
    await paymentsPage.sortByColumn('date');
    await paymentsPage.waitForLoadingToFinish();
    
    // Verify sorting worked
    const firstRowDate = await paymentsPage.getFirstPaymentData();
    expect(firstRowDate.date).toBeTruthy();
  });

  test('should display payment details when clicking on row', async ({ page }) => {
    await paymentsPage.waitForPageLoad();
    await paymentsPage.selectCompany('Compania Test 1');
    await page.waitForSelector(paymentsPage.paymentsTable);
    
    // Click on first payment row
    await paymentsPage.clickFirstPaymentRow();
    
    // Check if details panel or modal appears
    expect(await paymentsPage.isPaymentDetailsVisible()).toBe(true);
  });

  test('should export payments data', async ({ page }) => {
    await paymentsPage.waitForPageLoad();
    await paymentsPage.selectCompany('Compania Test 1');
    await page.waitForSelector(paymentsPage.paymentsTable);
    
    // Set up download handler
    const downloadPromise = page.waitForEvent('download');
    await paymentsPage.clickExportButton();
    
    const download = await downloadPromise;
    expect(download.suggestedFilename()).toContain('incasari');
  });

  test('should display correct payment totals', async ({ page }) => {
    await paymentsPage.waitForPageLoad();
    await paymentsPage.selectCompany('Compania Test 1');
    await page.waitForSelector(paymentsPage.paymentsTable);
    
    // Check if totals card is visible and contains data
    if (await paymentsPage.isTotalsCardVisible()) {
      const totals = await paymentsPage.getTotalsData();
      expect(parseFloat(totals.totalAmount)).toBeGreaterThan(0);
      expect(parseInt(totals.totalCount)).toBeGreaterThan(0);
    }
  });

  test('should filter payments by date range', async ({ page }) => {
    await paymentsPage.waitForPageLoad();
    await paymentsPage.selectCompany('Compania Test 1');
    await page.waitForSelector(paymentsPage.paymentsTable);
    
    // Apply this month filter
    await paymentsPage.filterByDateRange('thisMonth');
    await paymentsPage.waitForLoadingToFinish();
    
    const visibleRows = await paymentsPage.getVisiblePaymentsCount();
    expect(visibleRows).toBeGreaterThanOrEqual(0);
  });

  test('should handle pagination correctly', async ({ page }) => {
    // Mock large dataset
    await page.route('**/api/payments/COMP1*', async route => {
      const url = route.request().url();
      const urlParams = new URL(url).searchParams;
      const page_num = parseInt(urlParams.get('page') || '1');
      
      await route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify({
          items: mockPayments.slice((page_num - 1) * 10, page_num * 10),
          total: 25,
          page: page_num,
          size: 10,
          pages: 3
        }),
      });
    });

    await paymentsPage.waitForPageLoad();
    await paymentsPage.selectCompany('Compania Test 1');
    await page.waitForSelector(paymentsPage.paymentsTable);
    
    // Check pagination controls appear
    expect(await paymentsPage.isPaginationVisible()).toBe(true);
    
    // Navigate to next page
    await paymentsPage.goToNextPage();
    await paymentsPage.waitForLoadingToFinish();
    
    // Verify page changed
    const currentPage = await paymentsPage.getCurrentPage();
    expect(currentPage).toBe(2);
  });

  test('should handle API errors gracefully', async ({ page }) => {
    // Mock API error
    await page.route('**/api/payments/COMP1', async route => {
      await route.fulfill({
        status: 500,
        contentType: 'application/json',
        body: JSON.stringify({ detail: 'Internal server error' }),
      });
    });

    await paymentsPage.waitForPageLoad();
    await paymentsPage.selectCompany('Compania Test 1');
    
    // Should show error message
    const errorToast = page.locator('.p-toast-message-error');
    if (await errorToast.isVisible()) {
      const errorText = await errorToast.textContent();
      expect(errorText.toLowerCase()).toContain('eroare');
    }
  });

  test('should refresh data when refresh button clicked', async ({ page }) => {
    await paymentsPage.waitForPageLoad();
    await paymentsPage.selectCompany('Compania Test 1');
    await page.waitForSelector(paymentsPage.paymentsTable);
    
    // Click refresh button
    await paymentsPage.clickRefreshButton();
    await paymentsPage.waitForLoadingToFinish();
    
    // Table should still be visible after refresh
    expect(await paymentsPage.isPaymentsTableVisible()).toBe(true);
  });

  test('should group payments by method in summary view', async ({ page }) => {
    await paymentsPage.waitForPageLoad();
    await paymentsPage.selectCompany('Compania Test 1');
    await page.waitForSelector(paymentsPage.paymentsTable);
    
    // Switch to summary view if available
    if (await paymentsPage.isSummaryViewAvailable()) {
      await paymentsPage.switchToSummaryView();
      await paymentsPage.waitForLoadingToFinish();
      
      expect(await paymentsPage.isSummaryViewVisible()).toBe(true);
    }
  });
});