import { Controller, Get, HttpCode, HttpStatus, Query } from "@nestjs/common";
import { firstQueryString, parseOptionalQueryInt, parseSqEqualsInt } from "../../utils/report-query-params.util";
import { parseReportValuelistListQuery } from "../../utils/report-valuelist-query.util";
import { ParticipantScopeFiltersService } from "../shared/participant-scope-filters.service";

/**
 * Dashboard filter valuelists for **`invoice-summary`** (company + course per enrollment scope).
 * Full JSON: **`GET /api/report/data/invoice-summary`** (**`InvoiceSummaryDataResolver`**).
 */
@Controller("api/admin/report/invoice-summary")
export class InvoiceSummaryController {
  constructor(private readonly participantScopeFilters: ParticipantScopeFiltersService) {}

  @Get("filter/company")
  @HttpCode(HttpStatus.OK)
  async filterCompany(@Query() query: Record<string, string | string[] | undefined>) {
    return this.participantScopeFilters.listCompanyFilterOptions(parseReportValuelistListQuery(query));
  }

  @Get("filter/course")
  @HttpCode(HttpStatus.OK)
  async filterCourse(@Query() query: Record<string, string | string[] | undefined>) {
    const sq = firstQueryString(query["sq"]);
    const companyId =
      parseOptionalQueryInt(firstQueryString(query["company_id"])) ?? parseSqEqualsInt(sq, "company_id");
    return this.participantScopeFilters.listCourseFilterOptions({
      ...parseReportValuelistListQuery(query),
      companyId,
    });
  }
}