// Handler: POST /api/feedback
// Demonstrates form data extraction with response.json()
ctx = context()
req = ctx.request()
res = ctx.response()

// Extract form fields
name = req.form.name
rating = req.form.rating
comment = req.form.comment

// Validate
if name == nil or name == "" then
  res.error(400, "Name is required")
end

if rating == nil or rating == "" then
  res.error(400, "Rating is required")
end

// Parse rating as number
rating_num = tonumber(rating)
if rating_num == nil or rating_num < 1 or rating_num > 5 then
  res.error(400, "Rating must be between 1 and 5")
end

// Log feedback
print("Feedback received from " + name + " (rating: " + rating + ")")

// Return success
res.json({
  status = "received",
  submittedBy = name,
  rating = rating_num,
  comment = comment,
  timestamp = now()
}, 201)