import { test, expect } from '@playwright/test'
import { mockSchoolApi } from './_helpers'

/**
 * E2E tests for the Phase 8 export functionality on /stundenplan.
 * Split into its own file so stundenplan.spec.ts stays under the 500 LOC
 * budget enforced by the pre-commit hook.
 */

const exportOpts = () => ({
  solutions: [
    { id: 's1', created_by_user_id: 'u', name: 'Plan A', status: 'completed', hard_score: 0, soft_score: 0, created_at: '2026-05-22T10:00:00Z' },
  ],
  lessons: [
    { id: 'l1', solution_id: 's1', class_id: 'c1', subject_id: 'sub1', teacher_id: 't1', room_id: 'r1', day_of_week: 1, period_index: 1, pinned: false, created_at: '', class_name: '5a', subject_name: 'Mathe', teacher_name: 'Schmidt, Anna', room_name: 'A101' },
  ],
})

test.describe('Stundenplan — Export buttons', () => {
  test('export buttons are rendered on the PlanView', async ({ page }) => {
    await mockSchoolApi(page, exportOpts())
    await page.goto('/stundenplan')
    await page.waitForLoadState('networkidle')
    await page.getByRole('button', { name: 'Anzeigen' }).click()
    await expect(page.getByTestId('export-csv')).toBeVisible()
    await expect(page.getByTestId('export-ics')).toBeVisible()
    await expect(page.getByTestId('export-print')).toBeVisible()
  })

  test('CSV download triggers a fetch to export.csv', async ({ page }) => {
    await mockSchoolApi(page, exportOpts())
    await page.goto('/stundenplan')
    await page.waitForLoadState('networkidle')
    await page.getByRole('button', { name: 'Anzeigen' }).click()
    const downloadPromise = page.waitForEvent('download')
    await page.getByTestId('export-csv').click()
    const download = await downloadPromise
    expect(download.suggestedFilename()).toContain('.csv')
  })

  test('ICS download triggers a fetch to export.ics', async ({ page }) => {
    await mockSchoolApi(page, exportOpts())
    await page.goto('/stundenplan')
    await page.waitForLoadState('networkidle')
    await page.getByRole('button', { name: 'Anzeigen' }).click()
    const downloadPromise = page.waitForEvent('download')
    await page.getByTestId('export-ics').click()
    const download = await downloadPromise
    expect(download.suggestedFilename()).toContain('.ics')
  })
})