/**
 * BDD E2E Test: Sponsor Billing & Payments
 * 
 * Tests the sponsor billing functionality that allows:
 * - Sponsors to view billing statistics
 * - Sponsors to manage payment methods
 * - Sponsors to download invoices
 * - Sponsors to view transaction history
 * - Sponsors to see payment status
 * 
 * Focus: Final user outcomes - what the sponsor sees and can verify
 */

import { test, expect } from '@playwright/test';

test.describe('Sponsor Billing & Payments', () => {
  test.beforeEach(async ({ page }) => {
    // TODO: Implement authentication setup
    // - Navigate to sponsor login page
    // - Enter credentials for a registered sponsor
    // - Verify successful login
    // - Navigate to billing page
  });

  test('Sponsor sees billing overview after navigation', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor views billing overview
    // Given I am a registered sponsor
    // When I navigate to the billing page
    // Then I should see billing statistics
    // And I should see payment methods
    // And I should see invoice history
  });

  test('Sponsor sees billing statistics cards', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor views billing statistics
    // Given I am on the billing page
    // When I view the statistics section
    // Then I should see total spent amount
    // And I should see pending payments amount
    // And I should see next payment date
    // And I should see monthly average spend
  });

  test('Sponsor sees payment methods list', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor views payment methods
    // Given I am on the billing page
    // When I view the payment methods section
    // Then I should see saved payment methods
    // And I should see default payment method indicator
    // And I should see payment method details
  });

  test('Sponsor can set default payment method', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor sets default payment method
    // Given I am on the billing page
    // And I have multiple payment methods
    // When I click "Set as default" on a payment method
    // Then the payment method should become default
    // And I should see confirmation message
  });

  test('Sponsor sees invoice list', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor views invoice list
    // Given I am on the billing page
    // When I view the invoices section
    // Then I should see invoice cards
    // And I should see invoice number
    // And I should see invoice date
    // And I should see invoice description
    // And I should see invoice amount
    // And I should see invoice status
  });

  test('Sponsor can download invoice', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor downloads invoice
    // Given I am on the billing page
    // When I click "Download" on an invoice
    // Then the invoice should be downloaded
    // And I should see download confirmation
  });

  test('Sponsor sees pending invoices highlighted', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor sees pending invoices
    // Given I am on the billing page
    // When I view pending invoices
    // Then I should see pending status badge
    // And I should see overdue indicator if applicable
  });

  test('Sponsor sees paid invoices with confirmation', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor sees paid invoices
    // Given I am on the billing page
    // When I view paid invoices
    // Then I should see paid status badge
    // And I should see payment date
  });

  test('Sponsor sees overdue invoices with warning', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor sees overdue invoices
    // Given I am on the billing page
    // When I view overdue invoices
    // Then I should see overdue status badge
    // And I should see warning indicator
    // And I should see amount due
  });

  test('Sponsor can filter invoices by status', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor filters invoices
    // Given I am on the billing page
    // When I select "All" filter
    // Then I should see all invoices
    // When I select "Pending" filter
    // Then I should see only pending invoices
    // When I select "Paid" filter
    // Then I should see only paid invoices
    // When I select "Overdue" filter
    // Then I should see only overdue invoices
  });

  test('Sponsor can search invoices', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor searches invoices
    // Given I am on the billing page
    // When I enter a search query
    // Then I should see matching invoices
    // And I should see search results count
  });

  test('Sponsor sees empty state when no invoices exist', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor sees empty state
    // Given I am on the billing page
    // And I have no invoices
    // When I view the billing page
    // Then I should see an empty state message
    // And I should see a call-to-action
  });

  test('Sponsor sees billing loading state', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor sees loading state
    // Given I am on the billing page
    // When the billing data is loading
    // Then I should see a loading indicator
    // And I should see "Loading billing data..." message
  });

  test('Sponsor sees billing error state', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor sees error state
    // Given I am on the billing page
    // When the billing data fails to load
    // Then I should see an error message
    // And I should see a retry button
  });

  test('Sponsor can retry failed billing load', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor retries billing load
    // Given I am on the billing page
    // And the billing data failed to load
    // When I click "Retry"
    // Then the billing data should attempt to load again
    // And I should see the result
  });

  test('Sponsor can refresh billing data', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor refreshes billing
    // Given I am on the billing page
    // When I click the refresh button
    // Then the billing data should update
    // And I should see the latest information
  });

  test('Sponsor sees invoice details', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor views invoice details
    // Given I am on the billing page
    // When I click on an invoice
    // Then I should see detailed invoice information
    // And I should see line items
    // And I should see payment details
  });

  test('Sponsor sees billing navigation menu', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor views navigation menu
    // Given I am on the billing page
    // When I view the navigation menu
    // Then I should see "Billing" option
    // And I should see "Dashboard" option
    // And I should see "Campaigns" option
    // And I should see "Leagues" option
    // And I should see "Settings" option
  });

  test('Sponsor can navigate using breadcrumbs', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor uses breadcrumbs
    // Given I am on the billing page
    // When I view the breadcrumbs
    // Then I should see "Home" or "Sponsor"
    // And I should see "Billing"
  });

  test('Sponsor sees billing accessibility features', async ({ page }) => {
    // TODO: Implement test
    // Scenario: Sponsor sees accessibility features
    // Given I am on the billing page
    // When I view the billing page
    // Then all interactive elements should have proper labels
    // And navigation should be keyboard accessible
    // And content should be screen reader friendly
  });
});