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

/**
 * IACE Erweiterungen 2-5 — E2E Tests
 * FMEA Worksheet, Delta Analysis, Knowledge Graph
 *
 * Run with:
 *   npx playwright test e2e/specs/iace-extensions.spec.ts --config e2e/playwright-live.config.ts --reporter=list
 */

const BASE = 'https://macmini:3007'

const PROJECTS = [
  { id: 'bb7d5b88-469d-401f-a0e3-ae5b867e4a1c', name: 'Kniehebelpresse HP-500' },
  { id: 'a4c4031e-75a5-461e-a575-159f1eabd6b3', name: 'EIGENBAU-Zelle (Cobot)' },
  { id: 'c43af8df-14e0-43ff-b26f-ab425f803e53', name: 'Gleichstrom-/Asynchronmotor' },
  { id: '3e0808b2-2eed-4e82-b35d-6dd6857bc379', name: 'Schwingarm-Rundtaktanlage' },
] as const

async function dismissCookieBanner(page: Page) {
  try {
    const acceptBtn = page.locator('button', { hasText: 'Nur notwendige Cookies' })
    if (await acceptBtn.isVisible({ timeout: 2000 })) {
      await acceptBtn.click({ force: true })
      await page.waitForTimeout(800)
    }
  } catch { /* not present */ }
}

async function goTo(page: Page, path: string) {
  await page.goto(`${BASE}${path}`, { waitUntil: 'domcontentloaded', timeout: 30000 })
  await dismissCookieBanner(page)
  try { await page.locator('h1').first().waitFor({ state: 'visible', timeout: 15000 }) } catch { /* ignore */ }
  await page.waitForTimeout(2000)
  await dismissCookieBanner(page)
}

async function assertNoAppError(page: Page) {
  const body = await page.textContent('body')
  expect(body).not.toContain('Application error')
  expect(body).not.toContain('Unhandled Runtime Error')
}

// ---------------------------------------------------------------------------
// 1. FMEA Worksheet (Erweiterung 2)
// ---------------------------------------------------------------------------

for (const project of PROJECTS) {
  test.describe(`FMEA: ${project.name}`, () => {
    test.setTimeout(60_000)

    test('page loads', async ({ page }) => {
      await goTo(page, `/sdk/iace/${project.id}/fmea`)
      await assertNoAppError(page)
      await expect(page.locator('h1')).toContainText('FMEA', { timeout: 15000 })
    })

    test('stats cards visible', async ({ page }) => {
      await goTo(page, `/sdk/iace/${project.id}/fmea`)
      const body = await page.innerText('body')
      expect(body).toContain('Gesamt')
      expect(body).toContain('RPZ')
    })

    test('table or empty state visible', async ({ page }) => {
      await goTo(page, `/sdk/iace/${project.id}/fmea`)
      await page.waitForTimeout(5000)
      const body = await page.innerText('body')
      const hasTable = body.includes('Fehlerart') || body.includes('Komponente')
      const hasEmpty = body.includes('Keine Failure Modes')
      expect(hasTable || hasEmpty).toBeTruthy()
    })

    test('RPZ threshold info visible', async ({ page }) => {
      await goTo(page, `/sdk/iace/${project.id}/fmea`)
      const body = await page.innerText('body')
      expect(body).toContain('Handlungsbedarf')
      expect(body).toContain('Akzeptabel')
    })
  })
}

// ---------------------------------------------------------------------------
// 2. Knowledge Graph (Erweiterung 5)
// ---------------------------------------------------------------------------

test.describe('Knowledge Graph', () => {
  test.setTimeout(60_000)

  test('page loads', async ({ page }) => {
    await goTo(page, `/sdk/iace/${PROJECTS[0].id}/knowledge-graph`)
    await assertNoAppError(page)
    await expect(page.locator('h1')).toContainText('Knowledge Graph', { timeout: 15000 })
  })

  test('legend shows 3 node types', async ({ page }) => {
    await goTo(page, `/sdk/iace/${PROJECTS[0].id}/knowledge-graph`)
    const body = await page.innerText('body')
    expect(body).toContain('Komponente')
    expect(body).toContain('Gefaehrdung')
    expect(body).toContain('Massnahme')
  })

  for (const project of PROJECTS) {
    test(`${project.name} — loads without error`, async ({ page }) => {
      await goTo(page, `/sdk/iace/${project.id}/knowledge-graph`)
      await assertNoAppError(page)
    })
  }
})

// ---------------------------------------------------------------------------
// 3. Sidebar — FMEA + Knowledge Graph entries
// ---------------------------------------------------------------------------

test.describe('Sidebar Extensions', () => {
  test.setTimeout(60_000)

  test('FMEA nav entry visible', async ({ page }) => {
    await goTo(page, `/sdk/iace/${PROJECTS[0].id}`)
    await expect(page.locator('a', { hasText: 'FMEA' })).toBeVisible({ timeout: 10000 })
  })

  test('Knowledge Graph page accessible', async ({ page }) => {
    await goTo(page, `/sdk/iace/${PROJECTS[0].id}/knowledge-graph`)
    await page.waitForTimeout(5000)
    const body = await page.innerText('body')
    expect(body.includes('Knowledge Graph') || body.includes('Komponente')).toBeTruthy()
  })
})

// ---------------------------------------------------------------------------
// 4. Delta Analysis API — returns valid structure
// ---------------------------------------------------------------------------

test.describe('Delta Analysis API', () => {
  test.setTimeout(60_000)
  const API = 'https://macmini:8093/sdk/v1/iace'
  const HEADERS = { 'Content-Type': 'application/json', 'X-Tenant-Id': '9282a473-5c95-4b3a-bf78-0ecc0ec71d3e' }

  test('returns valid structure with component tags', async ({ request }) => {
    const tags = ['moving_mechanical_parts', 'electric_motor', 'controller', 'sensor']
    const res = await request.post(`${API}/projects/${PROJECTS[0].id}/delta-analysis`, {
      headers: HEADERS,
      data: {
        current: { component_library_ids: tags, custom_tags: tags, operational_states: [] },
        proposed: { component_library_ids: tags, custom_tags: tags, operational_states: ['automatic_operation', 'maintenance'] },
      },
    })
    expect(res.ok()).toBeTruthy()
    const data = await res.json()
    expect(data).toHaveProperty('added_patterns')
    expect(data).toHaveProperty('removed_patterns')
  })

  test('empty input returns empty result', async ({ request }) => {
    const res = await request.post(`${API}/projects/${PROJECTS[0].id}/delta-analysis`, {
      headers: HEADERS,
      data: {
        current: { component_library_ids: [], operational_states: [] },
        proposed: { component_library_ids: [], operational_states: ['maintenance'] },
      },
    })
    expect(res.ok()).toBeTruthy()
  })
})

// ---------------------------------------------------------------------------
// 5. Failure Modes API — returns entries per component type
// ---------------------------------------------------------------------------

test.describe('Failure Modes API', () => {
  test.setTimeout(30_000)
  const API = 'https://macmini:8093/sdk/v1/iace'
  const HEADERS = { 'X-Tenant-Id': '9282a473-5c95-4b3a-bf78-0ecc0ec71d3e' }

  test('GET /failure-modes returns 150 FMs', async ({ request }) => {
    const res = await request.get(`${API}/failure-modes`, { headers: HEADERS })
    expect(res.ok()).toBeTruthy()
    const data = await res.json()
    expect(data.total).toBeGreaterThanOrEqual(150)
  })

  test('filter by sensor type', async ({ request }) => {
    const res = await request.get(`${API}/failure-modes?component_type=sensor`, { headers: HEADERS })
    expect(res.ok()).toBeTruthy()
    const data = await res.json()
    expect(data.total).toBeGreaterThan(0)
    for (const fm of data.failure_modes) {
      expect(fm.component_type).toBe('sensor')
    }
  })
})

// ---------------------------------------------------------------------------
// 6. Operational States — delta produces non-zero results
// ---------------------------------------------------------------------------

test.describe('Op States Delta — with tags', () => {
  test.setTimeout(60_000)
  test.describe.configure({ retries: 1 })

  test('delta section visible on page', async ({ page }) => {
    await goTo(page, `/sdk/iace/${PROJECTS[1].id}/operational-states`)
    await page.waitForTimeout(8000)
    const body = await page.innerText('body')
    expect(body.includes('Delta-Vorschau') || body.includes('Delta berechnen')).toBeTruthy()
  })
})