/**
 * Website Structure Tests
 *
 * Testet, dass alle wichtigen Seiten und Komponenten existieren.
 * Diese Tests sind statische Struktur-Tests, keine Runtime-Tests.
 */

import { existsSync, readFileSync } from 'fs'
import { join } from 'path'

const ROOT_DIR = join(__dirname, '..')
const APP_DIR = join(ROOT_DIR, 'app')
const COMPONENTS_DIR = join(ROOT_DIR, 'components')
const LIB_DIR = join(ROOT_DIR, 'lib')

describe('Website Structure', () => {
  describe('App Pages', () => {
    it('has landing page (page.tsx)', () => {
      expect(existsSync(join(APP_DIR, 'page.tsx'))).toBe(true)
    })

    it('has layout (layout.tsx)', () => {
      expect(existsSync(join(APP_DIR, 'layout.tsx'))).toBe(true)
    })

    it('has FAQ page', () => {
      expect(existsSync(join(APP_DIR, 'faq', 'page.tsx'))).toBe(true)
    })

    it('has success page', () => {
      expect(existsSync(join(APP_DIR, 'success', 'page.tsx'))).toBe(true)
    })

    it('has cancel page', () => {
      expect(existsSync(join(APP_DIR, 'cancel', 'page.tsx'))).toBe(true)
    })

    it('has admin page', () => {
      expect(existsSync(join(APP_DIR, 'admin', 'page.tsx'))).toBe(true)
    })
  })

  describe('Components', () => {
    it('has Header component', () => {
      expect(existsSync(join(COMPONENTS_DIR, 'Header.tsx'))).toBe(true)
    })

    it('has Footer component', () => {
      expect(existsSync(join(COMPONENTS_DIR, 'Footer.tsx'))).toBe(true)
    })

    it('has PricingSection component', () => {
      expect(existsSync(join(COMPONENTS_DIR, 'PricingSection.tsx'))).toBe(true)
    })
  })

  describe('Configuration', () => {
    it('has package.json', () => {
      expect(existsSync(join(ROOT_DIR, 'package.json'))).toBe(true)
    })

    it('has Dockerfile', () => {
      expect(existsSync(join(ROOT_DIR, 'Dockerfile'))).toBe(true)
    })

    it('has tailwind.config.ts', () => {
      expect(existsSync(join(ROOT_DIR, 'tailwind.config.ts'))).toBe(true)
    })
  })

  describe('Lib', () => {
    it('has content.ts', () => {
      expect(existsSync(join(LIB_DIR, 'content.ts'))).toBe(true)
    })
  })

  describe('API Routes', () => {
    it('has content API route', () => {
      expect(existsSync(join(APP_DIR, 'api', 'content', 'route.ts'))).toBe(true)
    })
  })
})

describe('FAQ Page Content', () => {
  const faqPagePath = join(APP_DIR, 'faq', 'page.tsx')

  it('contains FAQ items', () => {
    const content = readFileSync(faqPagePath, 'utf-8')
    expect(content).toContain('faqItems')
  })

  it('has question about "Aufgabe"', () => {
    const content = readFileSync(faqPagePath, 'utf-8')
    expect(content).toContain('Was ist bei Breakpilot eine')
  })

  it('has question about trial', () => {
    const content = readFileSync(faqPagePath, 'utf-8')
    expect(content).toContain('kostenlos testen')
  })

  it('has question about DSGVO/data privacy', () => {
    const content = readFileSync(faqPagePath, 'utf-8')
    expect(content).toContain('DSGVO')
  })

  it('has question about cancellation', () => {
    const content = readFileSync(faqPagePath, 'utf-8')
    expect(content).toContain('kuendigen')
  })

  it('has at least 10 FAQ items', () => {
    const content = readFileSync(faqPagePath, 'utf-8')
    // Zaehle die Fragen (question: Eintraege)
    const matches = content.match(/question:/g)
    expect(matches).not.toBeNull()
    expect(matches!.length).toBeGreaterThanOrEqual(10)
  })
})

describe('Header Navigation', () => {
  const headerPath = join(COMPONENTS_DIR, 'Header.tsx')

  it('has link to FAQ', () => {
    const content = readFileSync(headerPath, 'utf-8')
    expect(content).toContain('/faq')
  })

  it('has link to pricing', () => {
    const content = readFileSync(headerPath, 'utf-8')
    expect(content).toContain('#pricing')
  })

  it('has link to features', () => {
    const content = readFileSync(headerPath, 'utf-8')
    expect(content).toContain('#features')
  })

  it('has mobile menu', () => {
    const content = readFileSync(headerPath, 'utf-8')
    expect(content).toContain('mobileMenuOpen')
  })
})

describe('Landing Page Content', () => {
  const landingPath = join(APP_DIR, 'page.tsx')

  it('uses LandingContent component', () => {
    const content = readFileSync(landingPath, 'utf-8')
    expect(content).toContain('LandingContent')
  })

  it('imports Header component', () => {
    const content = readFileSync(landingPath, 'utf-8')
    expect(content).toContain('Header')
  })

  it('imports Footer component', () => {
    const content = readFileSync(landingPath, 'utf-8')
    expect(content).toContain('Footer')
  })

  it('loads content from getContent', () => {
    const content = readFileSync(landingPath, 'utf-8')
    expect(content).toContain('getContent')
  })

  it('passes content to LandingContent', () => {
    const content = readFileSync(landingPath, 'utf-8')
    expect(content).toContain('content={content}')
  })
})

describe('PricingSection Content', () => {
  const pricingPath = join(COMPONENTS_DIR, 'PricingSection.tsx')

  it('has three plans', () => {
    const content = readFileSync(pricingPath, 'utf-8')
    expect(content).toContain('basic')
    expect(content).toContain('standard')
    expect(content).toContain('premium')
  })

  it('has trial button', () => {
    const content = readFileSync(pricingPath, 'utf-8')
    expect(content).toContain('7 Tage kostenlos')
  })

  it('has email form modal', () => {
    const content = readFileSync(pricingPath, 'utf-8')
    expect(content).toContain('showEmailForm')
  })

  it('calls billing service API', () => {
    const content = readFileSync(pricingPath, 'utf-8')
    expect(content).toContain('BILLING_API_URL')
    expect(content).toContain('trial/start')
  })
})

describe('Admin Page', () => {
  const adminPath = join(APP_DIR, 'admin', 'page.tsx')

  it('is a client component', () => {
    const content = readFileSync(adminPath, 'utf-8')
    expect(content).toContain("'use client'")
  })

  it('uses AdminLayout', () => {
    const content = readFileSync(adminPath, 'utf-8')
    expect(content).toContain('AdminLayout')
  })

  it('has quick actions section', () => {
    const content = readFileSync(adminPath, 'utf-8')
    expect(content).toContain('quickActions')
  })

  it('has stats display', () => {
    const content = readFileSync(adminPath, 'utf-8')
    expect(content).toContain('Stats')
  })

  it('loads stats from API', () => {
    const content = readFileSync(adminPath, 'utf-8')
    expect(content).toContain('loadStats')
  })
})

describe('Content API Route', () => {
  const apiPath = join(APP_DIR, 'api', 'content', 'route.ts')

  it('has GET handler', () => {
    const content = readFileSync(apiPath, 'utf-8')
    expect(content).toContain('export async function GET')
  })

  it('has POST handler', () => {
    const content = readFileSync(apiPath, 'utf-8')
    expect(content).toContain('export async function POST')
  })

  it('validates admin key', () => {
    const content = readFileSync(apiPath, 'utf-8')
    expect(content).toContain('x-admin-key')
    expect(content).toContain('Unauthorized')
  })

  it('uses content lib', () => {
    const content = readFileSync(apiPath, 'utf-8')
    expect(content).toContain('getContent')
    expect(content).toContain('saveContent')
  })
})

describe('Content Library', () => {
  const contentPath = join(LIB_DIR, 'content.ts')

  it('exports getContent function', () => {
    const content = readFileSync(contentPath, 'utf-8')
    expect(content).toContain('export function getContent')
  })

  it('exports saveContent function', () => {
    const content = readFileSync(contentPath, 'utf-8')
    expect(content).toContain('export function saveContent')
  })

  it('exports WebsiteContent type', () => {
    const content = readFileSync(contentPath, 'utf-8')
    expect(content).toContain('WebsiteContent')
  })

  it('exports HeroContent type', () => {
    const content = readFileSync(contentPath, 'utf-8')
    expect(content).toContain('HeroContent')
  })

  it('has default content', () => {
    const content = readFileSync(contentPath, 'utf-8')
    expect(content).toContain('defaultContent')
  })

  it('stores content as JSON', () => {
    const content = readFileSync(contentPath, 'utf-8')
    expect(content).toContain('website.json')
  })
})

describe('Landing Page Uses Dynamic Content', () => {
  const landingPath = join(APP_DIR, 'page.tsx')
  const landingContentPath = join(COMPONENTS_DIR, 'LandingContent.tsx')

  it('imports getContent', () => {
    const content = readFileSync(landingPath, 'utf-8')
    expect(content).toContain('import { getContent }')
  })

  it('calls getContent', () => {
    const content = readFileSync(landingPath, 'utf-8')
    expect(content).toContain('getContent()')
  })

  it('LandingContent component exists', () => {
    expect(existsSync(landingContentPath)).toBe(true)
  })

  it('LandingContent has hero section', () => {
    const content = readFileSync(landingContentPath, 'utf-8')
    expect(content).toContain('Hero')
  })

  it('LandingContent has pricing section', () => {
    const content = readFileSync(landingContentPath, 'utf-8')
    expect(content).toContain('PricingSection')
  })
})