AppHighway for Startups: Build MVP Features Without Backend Code

// Frontend form submission (React)
const handleSubmit = async (formData) => {
  // Step 1: Validate email
  const validation = await fetch('/api/validate-email', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ email: formData.email })
  }).then(r => r.json());

  if (!validation.valid) {
    setError('Invalid email address');
    return;
  }

  // Step 2: Structure form data
  const structured = await fetch('/api/structure-data', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ data: formData })
  }).then(r => r.json());

  // Step 3: Store in Airtable (no backend needed)
  await fetch('https://api.airtable.com/v0/YOUR_BASE/Leads', {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer YOUR_TOKEN',
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      fields: structured.data
    })
  });

  setSuccess(true);
};

// Backend API route (Next.js)
export async function POST(req) {
  const { email } = await req.json();
  
  const result = await fetch('https://apphighway.com/api/v1/email-validator', {
    method: 'POST',
    headers: { 
      'Authorization': `Bearer ${process.env.APPHIGHWAY_TOKEN}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({ email })
  }).then(r => r.json());
  
  return Response.json({ valid: result.is_valid });
}

// Generate personalized welcome email
async function sendWelcomeEmail(user) {
  const baseMessage = `Welcome ${user.name}! We're excited to have you. Here's what to do next: [steps]`;
  
  // Rewrite in professional tone
  const rewritten = await fetch('https://apphighway.com/api/v1/tone-rewriter', {
    method: 'POST',
    headers: { 
      'Authorization': `Bearer ${process.env.APPHIGHWAY_TOKEN}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({ 
      text: baseMessage,
      tone: 'professional',
      target_audience: 'business_users'
    })
  }).then(r => r.json());
  
  // Send via Resend
  await fetch('https://api.resend.com/emails', {
    method: 'POST',
    headers: {
      'Authorization': `Bearer ${process.env.RESEND_TOKEN}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      from: 'hello@yourstartup.com',
      to: user.email,
      subject: 'Welcome to [Your Startup]',
      html: rewritten.rewritten_text
    })
  });
}

// Generate landing page content
async function generateLandingContent(productSpecs) {
  // Step 1: Summarize product specs
  const summary = await fetch('https://apphighway.com/api/v1/summarization', {
    method: 'POST',
    headers: { 
      'Authorization': `Bearer ${process.env.APPHIGHWAY_TOKEN}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({ 
      text: productSpecs,
      length: 'short',
      style: 'marketing'
    })
  }).then(r => r.json());
  
  // Step 2: Generate feature list
  const features = await fetch('https://apphighway.com/api/v1/feature-generator', {
    method: 'POST',
    headers: { 
      'Authorization': `Bearer ${process.env.APPHIGHWAY_TOKEN}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({ 
      product_description: summary.summary,
      num_features: 6
    })
  }).then(r => r.json());
  
  return {
    hero: summary.summary,
    features: features.features,
    meta_description: summary.summary.slice(0, 160)
  };
}

// Analyze batch of user feedback
async function analyzeFeedback(feedbackList) {
  const results = await Promise.all(
    feedbackList.map(async (feedback) => {
      // Analyze sentiment
      const sentiment = await fetch('https://apphighway.com/api/v1/sentiment-summarizer', {
        method: 'POST',
        headers: { 
          'Authorization': `Bearer ${process.env.APPHIGHWAY_TOKEN}`,
          'Content-Type': 'application/json'
        },
        body: JSON.stringify({ text: feedback.text })
      }).then(r => r.json());
      
      // Extract key questions/concerns
      const qa = await fetch('https://apphighway.com/api/v1/qa-extractor', {
        method: 'POST',
        headers: { 
          'Authorization': `Bearer ${process.env.APPHIGHWAY_TOKEN}`,
          'Content-Type': 'application/json'
        },
        body: JSON.stringify({ text: feedback.text })
      }).then(r => r.json());
      
      return {
        id: feedback.id,
        sentiment: sentiment.sentiment, // positive/negative/neutral
        score: sentiment.score,
        key_concerns: qa.questions,
        summary: sentiment.summary
      };
    })
  );
  
  // Aggregate insights
  const positive = results.filter(r => r.sentiment === 'positive').length;
  const negative = results.filter(r => r.sentiment === 'negative').length;
  const concerns = results.flatMap(r => r.key_concerns);
  
  return {
    total: results.length,
    positive_percentage: (positive / results.length) * 100,
    negative_percentage: (negative / results.length) * 100,
    top_concerns: concerns.slice(0, 10),
    details: results
  };
}

// Auto-translate content based on user location
async function getLocalizedContent(content, userLocale) {
  // Check cache first
  const cacheKey = `content_${content.id}_${userLocale}`;
  const cached = await cache.get(cacheKey);
  if (cached) return cached;
  
  // Translate if not cached
  const translated = await fetch('https://apphighway.com/api/v1/translation', {
    method: 'POST',
    headers: { 
      'Authorization': `Bearer ${process.env.APPHIGHWAY_TOKEN}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({ 
      text: content.text,
      source_language: 'en',
      target_language: userLocale,
      preserve_formatting: true
    })
  }).then(r => r.json());
  
  // Cache for 24 hours
  await cache.set(cacheKey, translated.translated_text, 86400);
  
  return translated.translated_text;
}

// Detect user language from text input
async function detectUserLanguage(text) {
  const result = await fetch('https://apphighway.com/api/v1/language-detector', {
    method: 'POST',
    headers: { 
      'Authorization': `Bearer ${process.env.APPHIGHWAY_TOKEN}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({ text })
  }).then(r => r.json());
  
  return result.language; // 'en', 'es', 'fr', etc.
}

// Fetch and process analytics data from Google Sheets
async function refreshAnalytics() {
  // Step 1: Export Google Sheets as CSV
  const sheetUrl = `https://docs.google.com/spreadsheets/d/${SHEET_ID}/export?format=csv`;
  const csvData = await fetch(sheetUrl).then(r => r.text());
  
  // Step 2: Convert CSV to JSON
  const jsonData = await fetch('https://apphighway.com/api/v1/csv-to-json', {
    method: 'POST',
    headers: { 
      'Authorization': `Bearer ${process.env.APPHIGHWAY_TOKEN}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({ 
      csv_data: csvData,
      infer_schema: true
    })
  }).then(r => r.json());
  
  // Step 3: Structure metrics
  const metrics = await fetch('https://apphighway.com/api/v1/structify', {
    method: 'POST',
    headers: { 
      'Authorization': `Bearer ${process.env.APPHIGHWAY_TOKEN}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({ 
      text: JSON.stringify(jsonData.json_data),
      schema: {
        total_users: 'number',
        active_users: 'number',
        revenue: 'number',
        growth_rate: 'number'
      }
    })
  }).then(r => r.json());
  
  return metrics.data;
}

// Use in React component
function AnalyticsDashboard() {
  const [metrics, setMetrics] = useState(null);
  
  useEffect(() => {
    // Refresh every 15 minutes
    const interval = setInterval(async () => {
      const data = await refreshAnalytics();
      setMetrics(data);
    }, 900000);
    
    return () => clearInterval(interval);
  }, []);
  
  return (
    <div>
      <Chart data={metrics} />
    </div>
  );
}

// AI chatbot with documentation context
const DOCS_CONTEXT = `
Our product helps startups build MVPs faster.
Pricing: $29/month for starter, $99/month for pro.
Features: API access, analytics, support.
`;

async function handleChatMessage(userMessage, conversationHistory) {
  const response = await fetch('https://apphighway.com/api/v1/chatbot-completion', {
    method: 'POST',
    headers: { 
      'Authorization': `Bearer ${process.env.APPHIGHWAY_TOKEN}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({ 
      message: userMessage,
      context: DOCS_CONTEXT,
      conversation_history: conversationHistory,
      temperature: 0.7,
      max_tokens: 200
    })
  }).then(r => r.json());
  
  // Check if escalation needed
  const needsHuman = response.response.includes('[ESCALATE]');
  
  if (needsHuman) {
    // Send to support team
    await notifySupportTeam({
      user: userId,
      message: userMessage,
      history: conversationHistory
    });
    
    return {
      message: "I've connected you with our team. They'll respond shortly.",
      escalated: true
    };
  }
  
  return {
    message: response.response,
    escalated: false
  };
}

// React chatbot component
function Chatbot() {
  const [messages, setMessages] = useState([]);
  const [input, setInput] = useState('');
  
  const sendMessage = async () => {
    const response = await handleChatMessage(input, messages);
    setMessages([...messages, 
      { role: 'user', content: input },
      { role: 'assistant', content: response.message }
    ]);
    setInput('');
  };
  
  return (
    <div className="chatbot">
      <div className="messages">
        {messages.map((msg, i) => (
          <div key={i} className={msg.role}>
            {msg.content}
          </div>
        ))}
      </div>
      <input 
        value={input} 
        onChange={e => setInput(e.target.value)}
        onKeyPress={e => e.key === 'Enter' && sendMessage()}
      />
    </div>
  );
}