import type { QuoteItem } from "@/modules/providers/quote-provider";
import type { RawQuoteTier } from "@/modules/pricing/engine";
import type { NormalizedCargo } from "@/modules/quote/types";
import type { QuoteRequest } from "@/modules/providers/quote-provider";

/** NormalizedCargo → QuoteProvider 入参 */
export function cargoToQuoteRequest(cargo: NormalizedCargo): QuoteRequest {
  return {
    cargoHash: cargo.cargoHash,
    quoteSessionId: cargo.quoteSessionId,
    pickup: {
      street: cargo.pickupAddress.street,
      city: cargo.pickupAddress.city,
      state: cargo.pickupAddress.state,
      zip: cargo.pickupAddress.zip,
      placeId: cargo.pickupAddress.place_id,
      formattedAddress: cargo.pickupAddress.formatted_address,
      selectedFromSuggestions: cargo.pickupAddress.selected_from_suggestions,
      mothershipOptionId: cargo.pickupAddress.mothership_option_id ?? "",
      mothershipDisplayLabel: cargo.pickupAddress.mothership_display_label ?? "",
      selectedFromMothership: cargo.pickupAddress.selected_from_mothership === true,
    },
    delivery: {
      street: cargo.deliveryAddress.street,
      city: cargo.deliveryAddress.city,
      state: cargo.deliveryAddress.state,
      zip: cargo.deliveryAddress.zip,
      placeId: cargo.deliveryAddress.place_id,
      formattedAddress: cargo.deliveryAddress.formatted_address,
      selectedFromSuggestions: cargo.deliveryAddress.selected_from_suggestions,
      mothershipOptionId: cargo.deliveryAddress.mothership_option_id ?? "",
      mothershipDisplayLabel:
        cargo.deliveryAddress.mothership_display_label ?? "",
      selectedFromMothership:
        cargo.deliveryAddress.selected_from_mothership === true,
    },
    weightLb: cargo.weightLb,
    dimsIn: {
      l: cargo.dimLIn,
      w: cargo.dimWIn,
      h: cargo.dimHIn,
    },
    palletCount: cargo.palletCount,
    cargoType: cargo.cargoType,
  };
}

/** QuoteItem → L2/L3 缓存档位结构 */
export function quoteItemsToRawTiers(items: QuoteItem[]): RawQuoteTier[] {
  return items.map((item) => ({
    service_level: item.serviceLevel,
    rate_option: item.rateOption,
    carrier: item.carrier,
    transit_days: item.transitDays,
    transit_description: item.transitDescription,
    raw_freight: item.rawFreight,
    surcharges: item.surcharges,
    raw_total: item.rawTotal,
  }));
}

/** 取 standard/lowest 档 raw_total 作为偏差基准 */
export function getStandardLowestTotal(quotes: RawQuoteTier[]): number | null {
  const tier = quotes.find(
    (q) => q.service_level === "standard" && q.rate_option === "lowest",
  );
  return tier ? tier.raw_total : null;
}