import { Body, Controller, Get, Post, Query } from "@nestjs/common";
import { PSourceDbService } from "./p-source-db.service";

@Controller("p")
export class PController {
  constructor(private readonly p: PSourceDbService) {}

  /**
   * Resolve an OEM code from the catalog to its P equivalents.
   * `GET /p/oem?code=1J0973702` → { matched, articles, aftermarketParts,
   * oeCrossReferences }. Always 200 with `matched: false` on any miss.
   */
  @Get("oem")
  async oem(@Query("code") code: string) {
    return this.p.lookupByOem(code ?? "");
  }

  /**
   * Batch: which of these OEM codes have a P cross-reference. The schema page
   * sends the codes it's about to render and links only the returned ones, so
   * unmatched codes stay plain text and never open an empty detail page.
   * `POST /p/matched { codes: [...] }` → { matched: [...] }.
   */
  @Post("matched")
  async matched(@Body("codes") codes: string[]) {
    return { matched: await this.p.matchedCodes(Array.isArray(codes) ? codes : []) };
  }
}