import {
  aggregateAcrossTeams,
  formatAggregationResult,
  loopGet,
} from "../lib/loop-api.js";

// ─── Loop API V2: /property/residential/{dept} ─────────────────
// Fields: id, refId, propertyAddress, status, propertyType,
//   dateCreated, price, bedrooms, offerCount, viewingCount,
//   publishedToPortals, publishedToWebsite, publishedToMatching
// ────────────────────────────────────────────────────────────────
interface LoopPropertySummary {
  id: number;
  refId?: string;
  propertyAddress?: string;
  status?: string;
  propertyType?: string;
  dateCreated?: string;
  price?: number;
  bedrooms?: number;
  offerCount?: number;
  viewingCount?: number;
  publishedToPortals?: boolean;
  publishedToWebsite?: boolean;
  publishedToMatching?: boolean;
  [key: string]: unknown;
}

type Department = "sales" | "lettings" | "both";

export async function propertySearch(params: {
  accountId: string;
  department?: Department;
  searchTerm?: string;
  minPrice?: number;
  maxPrice?: number;
  minBedrooms?: number;
  maxBedrooms?: number;
  propertyStatuses?: string;
  propertyTypes?: string;
  teamName?: string;
  limit?: number;
}): Promise<string> {
  const {
    accountId, department = "both", searchTerm, minPrice, maxPrice,
    minBedrooms, maxBedrooms, propertyStatuses, propertyTypes,
    teamName, limit,
  } = params;

  const result = await aggregateAcrossTeams<LoopPropertySummary>(
    accountId,
    "properties",
    "loop-property-search",
    async (apiKey, team) => {
      const depts: string[] =
        department === "both" ? ["sales", "lettings"] : [department];
      const all: LoopPropertySummary[] = [];

      for (const dept of depts) {
        const qp: string[] = [];
        if (searchTerm) qp.push(`SearchTerm=${encodeURIComponent(searchTerm)}`);
        if (minPrice != null) qp.push(`MinPrice=${minPrice}`);
        if (maxPrice != null) qp.push(`MaxPrice=${maxPrice}`);
        if (minBedrooms != null) qp.push(`MinBedrooms=${minBedrooms}`);
        if (maxBedrooms != null) qp.push(`MaxBedrooms=${maxBedrooms}`);
        if (propertyStatuses) qp.push(`PropertyStatuses=${encodeURIComponent(propertyStatuses)}`);
        if (propertyTypes) qp.push(`PropertyTypes=${encodeURIComponent(propertyTypes)}`);

        const query = qp.length > 0 ? `?${qp.join("&")}` : "";
        const path = `/property/residential/${dept}${query}`;
        const data = await loopGet<LoopPropertySummary[]>(apiKey, path, "loop-property-search", team);
        if (Array.isArray(data)) all.push(...data);
      }
      return all;
    },
    { teamName, limitPerTeam: limit ?? 50, limitTotal: limit ?? 200 }
  );

  return formatAggregationResult(
    result,
    (p) => {
      const id = p.id != null ? ` [ID: ${p.id}]` : "";
      const price = p.price ? ` — £${p.price.toLocaleString("en-GB")}` : "";
      const beds = p.bedrooms ? ` ${p.bedrooms}bed` : "";
      const status = p.status ? ` [${p.status}]` : "";
      const propType = p.propertyType ? ` (${p.propertyType})` : "";
      const offers = p.offerCount ? ` ${p.offerCount} offer${p.offerCount !== 1 ? "s" : ""}` : "";
      return `- ${p.propertyAddress ?? "Unknown address"}${id}${price}${beds}${propType}${status}${offers}`;
    },
    "properties"
  );
}