const { toSafeRedirectUrl } = require("../../utils/urlSafety")
const {
  sanitizeDealDescriptionHtml,
  sanitizeOptionalPlainText,
  sanitizeRequiredPlainText,
} = require("../../utils/inputSanitizer")

function mapCreateDealRequestToDealCreateData(payload, userId) {
  const {
    title,
    description,
    url,
    price,
    originalPrice,
    sellerName,
    customSeller,
    couponCode,
    location,
    discountType,
    discountValue,
  } = payload

  const normalizedTitle = sanitizeRequiredPlainText(title, { fieldName: "TITLE", maxLength: 300 })
  const normalizedDescription = sanitizeDealDescriptionHtml(description)
  const normalizedCouponCode = sanitizeOptionalPlainText(couponCode, { maxLength: 120 })
  const normalizedLocation = sanitizeOptionalPlainText(location, { maxLength: 150 })
  const normalizedSellerName = sanitizeOptionalPlainText(sellerName ?? customSeller, {
    maxLength: 120,
  })
  const normalizedUrl = toSafeRedirectUrl(url)
  const hasUrl = Boolean(normalizedUrl)
  const saleType = !hasUrl ? "OFFLINE" : normalizedCouponCode ? "CODE" : "ONLINE"

  const hasPrice = price != null
  const normalizedDiscountType = hasPrice ? null : discountType ?? null
  const normalizedDiscountValue = hasPrice ? null : discountValue ?? null
  return {
    title: normalizedTitle,
    description: normalizedDescription,
    url: normalizedUrl,
    price: price ?? null,
    originalPrice: originalPrice ?? null,
    couponCode: normalizedCouponCode,
    location: normalizedLocation,
    discountType: normalizedDiscountType,
    discountValue: normalizedDiscountValue,
    saletype: saleType,

    // Burada customSeller yazıyoruz; servis gerektiğinde ilişkilendiriyor.
    customSeller: normalizedSellerName,

    user: {
      connect: { id: userId },
    },
  }
}

module.exports = {
  mapCreateDealRequestToDealCreateData,
}