import { API_PATHS } from "@/api/api-paths";
import { apiDelete, apiGet, apiPost, apiPut } from "@/api/api";
import { handleApiResponse, handlePaginatedResponse } from "@/api/handle-api-response";
import {
  mapVendor,
  mapVendorDeactivationImpact,
  mapVendorFacets,
  mapVendorListItems,
  mapVendorPortalToken,
  mapVendorToBackend,
  mapVendorUpdateToBackend,
} from "@/domain/vendors/mappers/vendor-mapper";
import type {
  Vendor,
  VendorDeactivationImpact,
  VendorFacets,
  VendorPortalToken,
  VendorsListParams,
  VendorsListResult,
} from "@/domain/vendors/types/vendor";

function pushRepeated(
  searchParams: Record<string, string | number>,
  key: string,
  values: string[] | undefined,
): void {
  if (!values || values.length === 0) return;
  values.forEach((value, index) => {
    if (!value) return;
    searchParams[`${key}[${index}]`] = value;
  });
}

export interface VendorFacetsParams {
  isActive?: boolean;
}

function buildFacetsParams(params?: VendorFacetsParams): Record<string, string> {
  const searchParams: Record<string, string> = {};
  if (params?.isActive !== undefined) {
    searchParams.isActive = String(params.isActive);
  }
  return searchParams;
}

function buildListParams(params: VendorsListParams): Record<string, string | number> {
  const searchParams: Record<string, string | number> = {
    search: params.search ?? "",
    page: params.page ?? 1,
    pageSize: params.pageSize ?? 12,
  };
  if (params.isActive !== undefined) {
    searchParams.isActive = String(params.isActive);
  }
  pushRepeated(searchParams, "companies", params.companies);
  pushRepeated(searchParams, "trades", params.trades);
  pushRepeated(searchParams, "locations", params.locations);
  pushRepeated(searchParams, "jobBuckets", params.jobBuckets);
  return searchParams;
}

export const vendorsApi = {
  getList: async (params: VendorsListParams = {}): Promise<VendorsListResult> => {
    const data = await apiGet<unknown>(API_PATHS.vendor.getList, {
      searchParams: buildListParams(params),
    });
    const paginated = handlePaginatedResponse<unknown>(data, {
      page: params.page,
      pageSize: params.pageSize,
    });
    return {
      items: mapVendorListItems(paginated.items),
      totalCount: paginated.totalCount,
      page: paginated.page,
      pageSize: paginated.pageSize,
    };
  },

  getFacets: async (params?: VendorFacetsParams): Promise<VendorFacets> => {
    const data = await apiGet<unknown>(API_PATHS.vendor.facets, {
      searchParams: buildFacetsParams(params),
    });
    return mapVendorFacets(handleApiResponse(data));
  },

  getById: async (id: string | number): Promise<Vendor> => {
    const data = await apiGet<unknown>(`${API_PATHS.rest.vendors}/${id}`);
    return mapVendor(handleApiResponse(data));
  },

  create: async (payload: unknown): Promise<Vendor> => {
    const data = await apiPost<unknown>(API_PATHS.rest.vendors, mapVendorToBackend(payload));
    return mapVendor(handleApiResponse(data));
  },

  update: async (id: string | number, payload: unknown): Promise<Vendor> => {
    const data = await apiPut<unknown>(
      `${API_PATHS.rest.vendors}/${id}`,
      mapVendorUpdateToBackend(payload),
    );
    return mapVendor(handleApiResponse(data));
  },

  delete: async (id: string | number): Promise<void> => {
    await apiDelete(`${API_PATHS.rest.vendors}/${id}`);
  },

  getDeactivationImpact: async (id: string | number): Promise<VendorDeactivationImpact> => {
    const data = await apiGet<unknown>(
      `${API_PATHS.rest.vendors}/${id}/${API_PATHS.vendor.deactivationImpact}`,
    );
    return mapVendorDeactivationImpact(handleApiResponse(data));
  },

  getPortalToken: async (id: string | number): Promise<VendorPortalToken | null> => {
    const data = await apiGet<unknown>(`${API_PATHS.rest.vendors}/${id}/portal-token`);
    return mapVendorPortalToken(handleApiResponse(data));
  },

  rotatePortalToken: async (id: string | number): Promise<VendorPortalToken | null> => {
    const data = await apiPost<unknown>(`${API_PATHS.rest.vendors}/${id}/portal-token/rotate`);
    return mapVendorPortalToken(handleApiResponse(data));
  },

  revokePortalToken: async (id: string | number): Promise<void> => {
    await apiPost<unknown>(`${API_PATHS.rest.vendors}/${id}/portal-token/revoke`);
  },
};