Cost Estimator

Cost Estimator Skill

Goal

Build a POST /api/estimate endpoint that accepts vehicle and finish selections and returns an accurate, itemized price breakdown in KES based on real Nairobi market rates for high-end vehicle wrapping.

File Location

backend/routes/estimate.js backend/data/pricing.json

Pricing Data

Create backend/data/pricing.json with this structure:

{
  "vehicles": {
    "land_cruiser_v8": { "label": "Toyota Land Cruiser V8/LC300", 
      "size": "XL", "vinyl_sqm": 22 },
    "range_rover_vogue": { "label": "Range Rover Vogue", 
      "size": "XL", "vinyl_sqm": 20 },
    "lexus_lx600": { "label": "Lexus LX600", 
      "size": "XL", "vinyl_sqm": 21 },
    "prado": { "label": "Toyota Land Cruiser Prado", 
      "size": "L", "vinyl_sqm": 18 },
    "mercedes_gle": { "label": "Mercedes-Benz GLE", 
      "size": "L", "vinyl_sqm": 18 },
    "bmw_7_series": { "label": "BMW 7 Series", 
      "size": "L", "vinyl_sqm": 16 },
    "subaru_outback": { "label": "Subaru Outback", 
      "size": "M", "vinyl_sqm": 15 }
  },
  "finishes": {
    "matte": { "label": "Matte", "price_per_sqm": 4200 },
    "satin": { "label": "Satin", "price_per_sqm": 4500 },
    "gloss": { "label": "Gloss", "price_per_sqm": 3800 },
    "chrome": { "label": "Chrome", "price_per_sqm": 7500 },
    "colour_shift": { "label": "Colour Shift", 
      "price_per_sqm": 9000 },
    "carbon_fibre": { "label": "Carbon Fibre", 
      "price_per_sqm": 6500 },
    "brushed_metal": { "label": "Brushed Metal", 
      "price_per_sqm": 5800 },
    "ppf_clear": { "label": "PPF Clear", "price_per_sqm": 8500 }
  },
  "labour": {
    "M": 25000,
    "L": 35000,
    "XL": 45000
  },
  "addons": {
    "ppf_coating": { "label": "Paint Protection Film", 
      "price": 35000 },
    "ceramic_coat": { "label": "Ceramic Top Coat", 
      "price": 20000 },
    "window_tint": { "label": "Window Tinting", 
      "price": 15000 }
  },
  "deposit_percentage": 0.15
}