<form id="calculatorForm">
  <label for="serviceType">Service:</label>
  <select id="serviceType" name="service">
    <option value="web_dev">Web Development</option>
    <option value="digital_marketing">Digital Marketing</option>
  </select>

  <label for="complexity">Complexity:</label>
  <input type="radio" name="complexity" value="standard" checked> Standard
  <input type="radio" name="complexity" value="premium"> Premium

  <label for="rushDelivery">Rush Delivery:</label>
  <input type="checkbox" id="rushDelivery" name="rush">

  <button type="submit">Calculate</button>
</form>

document.getElementById('calculatorForm').addEventListener('submit', async (event) => {
  event.preventDefault();
  const form = event.target;
  const formData = new FormData(form);
  const data = Object.fromEntries(formData.entries());

  try {
    const response = await fetch('/api/calculate', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(data)
    });

    if (!response.ok) {
      throw new Error(`HTTP error! Status: ${response.status}`);
    }

    const result = await response.json();
    document.getElementById('resultDisplay').innerText = `Estimated Cost: $${result.total_cost}`;
  } catch (error) {
    console.error('Calculation failed:', error);
    document.getElementById('resultDisplay').innerText = 'Error calculating cost.';
  }
});

from flask import Flask, request, jsonify

app = Flask(__name__)

@app.route('/api/calculate', methods=['POST'])
def calculate_cost():
    data = request.json
    service = data.get('service')
    complexity = data.get('complexity')
    rush_delivery = 'rush' in data # Check if the checkbox was checked

    # Define base rates and multipliers
    base_rates = {
        'web_dev': 1500,
        'digital_marketing': 800,
        'content_creation': 500
    }
    complexity_multipliers = {
        'basic': 1.0,
        'standard': 1.5,
        'premium': 2.0
    }
    rush_surcharge = 0.20 # 20%

    cost = base_rates.get(service, 0)
    cost *= complexity_multipliers.get(complexity, 1.0)

    if rush_delivery:
        cost += cost * rush_surcharge

    return jsonify({'total_cost': round(cost, 2)})

if __name__ == '__main__':
    app.run(debug=True)