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

test.describe('Events list page', () => {
  test('events list loads', async ({ page }) => {
    await page.goto('/events')
    await expect(page.locator('h1', { hasText: 'Events' })).toBeVisible()
  })

  test('filter bar has type filters', async ({ page }) => {
    await page.goto('/events')
    const filterBar = page.locator('.filter-bar')
    await expect(filterBar).toBeVisible()

    for (const label of ['All', 'Workshops', 'Community', 'Social', 'Showcase']) {
      await expect(filterBar.locator('button', { hasText: label })).toBeVisible()
    }
  })

  test('past events toggle exists and can be checked', async ({ page }) => {
    await page.goto('/events')
    await page.waitForLoadState('networkidle')
    const toggle = page.locator('.past-toggle')
    await expect(toggle).toBeVisible()
    await expect(toggle).toContainText('Show past events')

    await toggle.click()
    await expect(toggle).toHaveClass(/active/)

    // Page should still render without errors after toggling
    await expect(page.locator('h1', { hasText: 'Events' })).toBeVisible()
  })

  test('clicking a filter button activates it', async ({ page }) => {
    await page.goto('/events')
    await page.waitForLoadState('networkidle')
    // Wait for Vue hydration — the "All" filter should have the active class once reactive
    const allBtn = page.locator('.filter-btn', { hasText: 'All' })
    await expect(allBtn).toHaveClass(/active/, { timeout: 10000 })
    const workshopsBtn = page.locator('.filter-bar button', { hasText: 'Workshops' })
    await workshopsBtn.click()
    await expect(workshopsBtn).toHaveClass(/active/, { timeout: 5000 })
  })

  test('event links navigate to detail page', async ({ page }) => {
    await page.goto('/events')

    // Check the past events toggle so we see all events
    await page.locator('.past-toggle').click()

    const eventLinks = page.locator('.event-row a')
    const count = await eventLinks.count()

    if (count === 0) {
      // No events in the database — just verify the empty state renders
      await expect(page.locator('.empty', { hasText: 'No events found' })).toBeVisible()
      return
    }

    // Click the first event link and verify navigation
    const firstLink = eventLinks.first()
    const href = await firstLink.getAttribute('href')
    await firstLink.click()
    await page.waitForURL(/\/events\//)

    expect(page.url()).toContain('/events/')
    // Detail page should have an h1 with the event title
    await expect(page.locator('h1')).toBeVisible()
  })
})

async function navigateToFirstEventDetail(page) {
  await page.goto('/events')
  await page.locator('.past-toggle').click()
  await page.waitForLoadState('networkidle')
  const eventLinks = page.locator('.event-row a')
  const count = await eventLinks.count()
  if (count === 0) return null
  const href = await eventLinks.first().getAttribute('href')
  return href
}

test.describe('Event detail — ticket gating', () => {
  test('series-pass-required shows pass-required notice instead of buy button', async ({ page }) => {
    const href = await navigateToFirstEventDetail(page)
    test.skip(!href, 'No events in dev DB to navigate against')

    await page.route('**/api/events/*/tickets/available**', async (route) => {
      await route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify({
          available: false,
          reason: 'series_pass_required',
          requiresSeriesPass: true,
          series: { id: 'series-stub', slug: 'series-stub', title: 'Stub Series' }
        })
      })
    })
    await page.route('**/api/events/*/check-series-access**', async (route) => {
      await route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify({ requiresSeriesPass: false })
      })
    })

    await page.locator(`.event-row a[href="${href}"]`).first().click()
    await page.waitForURL(`**${href}`)

    const ticketPanel = page.locator('.event-ticket-purchase')
    await expect(ticketPanel.locator('.ticket-status', { hasText: 'Series Pass Required' })).toBeVisible()
    await expect(ticketPanel.locator('button', { hasText: /Pay |Register for this event|Complete Registration/ })).toHaveCount(0)
    await expect(ticketPanel.locator('a[href="/series/series-stub"] button')).toBeVisible()
  })

  test('memberSavings line is hidden for anonymous viewers', async ({ page }) => {
    const href = await navigateToFirstEventDetail(page)
    test.skip(!href, 'No events in dev DB to navigate against')

    await page.route('**/api/events/*/tickets/available**', async (route) => {
      await route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify({
          available: true,
          alreadyRegistered: false,
          isFree: false,
          isMember: false,
          name: 'General Admission',
          formattedPrice: '$25.00',
          remaining: 10,
          memberSavings: 0,
          publicTicket: null
        })
      })
    })

    await page.locator(`.event-row a[href="${href}"]`).first().click()
    await page.waitForURL(`**${href}`)

    const ticketCard = page.locator('.ticket-card')
    await expect(ticketCard).toBeVisible()
    await expect(page.locator('.ticket-savings')).toHaveCount(0)
    await expect(page.locator('text=/save .* as a member/i')).toHaveCount(0)
  })

  test('memberSavings line is shown when API reports savings', async ({ page }) => {
    const href = await navigateToFirstEventDetail(page)
    test.skip(!href, 'No events in dev DB to navigate against')

    await page.route('**/api/events/*/tickets/available**', async (route) => {
      await route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify({
          available: true,
          alreadyRegistered: false,
          isFree: false,
          isMember: true,
          name: 'Member Ticket',
          formattedPrice: '$10.00',
          remaining: 10,
          memberSavings: 15,
          publicTicket: { formattedPrice: '$25.00' }
        })
      })
    })

    await page.locator(`.event-row a[href="${href}"]`).first().click()
    await page.waitForURL(`**${href}`)

    const savings = page.locator('.ticket-savings')
    await expect(savings).toBeVisible()
    await expect(savings).toContainText(/save/i)
  })

  test.skip('hidden event returns 404', async () => {
    // Skipped: hidden-event gating happens during SSR useFetch in [slug].vue,
    // which page.route cannot intercept. Verifying this gate requires either
    // seeding a hidden event in the dev DB or a server-side mock layer.
  })

  test.skip('past-deadline event shows registration-closed copy', async () => {
    // Skipped: when the available endpoint returns reason
    // "Registration deadline has passed", the current UI surfaces it as the
    // generic "Event Sold Out" panel — there is no distinct "Registration
    // closed" string to assert against without changing the component.
  })

  test.skip('member with paid registration cannot self-cancel', async () => {
    // Skipped: requires seeding an authed member with a paid registration in
    // the DB, which is out of scope for API-level mocking.
  })
})