import pytest
import asyncio
from playwright.async_api import expect

@pytest.mark.asyncio
class TestBillingUserFlow:

    async def test_01_user_registration(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.click('text=Sign Up')
        await page.wait_for_timeout(500)
        await page.fill('#register-form input[name="username"]', 'billingtest')
        await page.fill('#register-form input[name="email"]', 'billingtest@example.com')
        await page.fill('#register-form input[name="password"]', 'password123')
        await page.click('#register-form button[type="submit"]')

        await page.wait_for_timeout(2000)
        await expect(page.locator('text=My Files')).to_be_visible()

    async def test_02_user_login(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.evaluate("""
            navigator.serviceWorker.getRegistrations().then(function(registrations) {
                for(let registration of registrations) {
                    registration.unregister();
                }
            });
        """)

        await page.reload()
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')

        await page.click('#login-form button[type="submit"]')

        await page.wait_for_timeout(2000)
        await expect(page.locator('text=My Files')).to_be_visible()

    async def test_03_navigate_to_billing_dashboard(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.click('a.nav-link[data-view="billing"]')
        await page.wait_for_timeout(1000)

        await expect(page.locator('billing-dashboard')).to_be_visible()

    async def test_04_view_current_usage(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.click('a.nav-link[data-view="billing"]')
        await page.wait_for_timeout(1000)

        await expect(page.locator('.usage-card')).to_be_visible()
        await expect(page.locator('text=Current Usage')).to_be_visible()
        await expect(page.locator('.usage-label:has-text("Storage")')).to_be_visible()
        await expect(page.locator('.usage-label:has-text("Bandwidth")')).to_be_visible()

    async def test_05_view_estimated_cost(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.click('a.nav-link[data-view="billing"]')
        await page.wait_for_timeout(1000)

        await expect(page.locator('.cost-card')).to_be_visible()
        await expect(page.locator('text=Estimated Monthly Cost')).to_be_visible()
        await expect(page.locator('.estimated-cost')).to_be_visible()

        cost_text = await page.locator('.estimated-cost').text_content()
        assert '$' in cost_text

    async def test_06_view_pricing_information(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.click('a.nav-link[data-view="billing"]')
        await page.wait_for_timeout(1000)

        await expect(page.locator('.pricing-card')).to_be_visible()
        await expect(page.locator('text=Current Pricing')).to_be_visible()

        await expect(page.locator('.pricing-item:has-text("Storage")')).to_be_visible()
        await expect(page.locator('.pricing-item:has-text("Bandwidth")')).to_be_visible()
        await expect(page.locator('.pricing-item:has-text("Free Tier")')).to_be_visible()

    async def test_07_view_invoice_history_empty(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.click('a.nav-link[data-view="billing"]')
        await page.wait_for_timeout(1000)

        await expect(page.locator('.invoices-section')).to_be_visible()
        await expect(page.locator('text=Recent Invoices')).to_be_visible()

        no_invoices = page.locator('.no-invoices')
        if await no_invoices.is_visible():
            await expect(no_invoices).to_contain_text('No invoices yet')

    async def test_08_upload_file_to_track_usage(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.set_input_files('input[type="file"]', {
            'name': 'test-file.txt',
            'mimeType': 'text/plain',
            'buffer': b'This is a test file for billing usage tracking.'
        })

        await page.click('button:has-text("Upload")')
        await page.wait_for_timeout(2000)

        await expect(page.locator('text=test-file.txt')).to_be_visible()

    async def test_09_verify_usage_updated_after_upload(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.click('a.nav-link[data-view="billing"]')
        await page.wait_for_timeout(2000)

        storage_value = page.locator('.usage-item:has(.usage-label:has-text("Storage")) .usage-value')
        await expect(storage_value).to_be_visible()

    async def test_10_add_payment_method_button(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.click('a.nav-link[data-view="billing"]')
        await page.wait_for_timeout(1000)

        await expect(page.locator('.payment-methods-section')).to_be_visible()
        await expect(page.locator('text=Payment Methods')).to_be_visible()
        await expect(page.locator('#addPaymentMethod')).to_be_visible()

    async def test_11_click_add_payment_method(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.click('a.nav-link[data-view="billing"]')
        await page.wait_for_timeout(1000)

        page.on('dialog', lambda dialog: dialog.accept())

        await page.click('#addPaymentMethod')
        await page.wait_for_timeout(1000)

    async def test_12_view_subscription_status(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.click('a.nav-link[data-view="billing"]')
        await page.wait_for_timeout(1000)

        await expect(page.locator('.subscription-badge')).to_be_visible()

        badge_text = await page.locator('.subscription-badge').text_content()
        assert badge_text in ['Pay As You Go', 'Free', 'Active']

    async def test_13_verify_free_tier_display(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.click('a.nav-link[data-view="billing"]')
        await page.wait_for_timeout(1000)

        await expect(page.locator('.usage-info:has-text("GB included free")')).to_be_visible()

        free_tier_info = await page.locator('.usage-info').text_content()
        assert '15' in free_tier_info or 'GB' in free_tier_info

    async def test_14_verify_progress_bar(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.click('a.nav-link[data-view="billing"]')
        await page.wait_for_timeout(1000)

        await expect(page.locator('.usage-progress')).to_be_visible()
        await expect(page.locator('.usage-progress-bar')).to_be_visible()

    async def test_15_verify_cost_breakdown(self, page, base_url):
        await page.goto(f"{base_url}/")
        await page.wait_for_load_state("networkidle")

        await page.fill('#login-form input[name="username"]', 'billingtest')
        await page.fill('#login-form input[name="password"]', 'password123')
        await page.click('#login-form button[type="submit"]')
        await page.wait_for_timeout(2000)

        await page.click('a.nav-link[data-view="billing"]')
        await page.wait_for_timeout(1000)

        await expect(page.locator('.cost-breakdown')).to_be_visible()
        await expect(page.locator('.cost-item:has-text("Storage")')).to_be_visible()
        await expect(page.locator('.cost-item:has-text("Bandwidth")')).to_be_visible()