/*
 This file is part of GNU Taler
 (C) 2021-2024 Taler Systems S.A.

 GNU Taler is free software; you can redistribute it and/or modify it under the
 terms of the GNU General Public License as published by the Free Software
 Foundation; either version 3, or (at your option) any later version.

 GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

 You should have received a copy of the GNU General Public License along with
 GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */
import {
  HttpResponse,
  HttpResponseOk,
  RequestError,
  useMerchantApiContext
} from "@gnu-taler/web-util/browser";
import {
  useBackendBaseRequest,
  useBackendInstanceRequest
} from "./backend.js";

// FIX default import https://github.com/microsoft/TypeScript/issues/49189
import { AccessToken, TalerErrorDetail, TalerHttpError, TalerMerchantApi, TalerMerchantInstanceResultByMethod, TalerMerchantManagementResultByMethod, TalerMerchantResultByMethod } from "@gnu-taler/taler-util";
import _useSWR, { SWRHook, mutate } from "swr";
import { useSessionContext } from "../context/session.js";
const useSWR = _useSWR as unknown as SWRHook;


export function revalidateInstanceDetails() {
  return mutate(
    (key) => Array.isArray(key) && key[key.length - 1] === "getCurrentInstanceDetails",
    undefined,
    { revalidate: true },
  );
}
export function useInstanceDetails() {
  // const { fetcher } = useBackendInstanceRequest();

  // const { data, error, isValidating } = useSWR<
  //   HttpResponseOk<TalerMerchantApi.QueryInstancesResponse>,
  //   RequestError<TalerErrorDetail>
  // >([`/private/`], fetcher, {
  //   refreshInterval: 0,
  //   refreshWhenHidden: false,
  //   revalidateOnFocus: false,
  //   revalidateOnReconnect: false,
  //   refreshWhenOffline: false,
  //   revalidateIfStale: false,
  //   errorRetryCount: 0,
  //   errorRetryInterval: 1,
  //   shouldRetryOnError: false,
  // });

  // if (isValidating) return { loading: true, data: data?.data };
  // if (data) return data;
  // if (error) return error.cause;
  // return { loading: true };

  const { state: session } = useSessionContext();
  const { lib: { management } } = useMerchantApiContext();

  async function fetcher([token]: [AccessToken]) {
    return await management.getCurrentInstanceDetails(token);
  }

  const { data, error } = useSWR<
    TalerMerchantManagementResultByMethod<"getCurrentInstanceDetails">,
    TalerHttpError
  >([session.token, "getCurrentInstanceDetails"], fetcher);

  if (data) return data;
  if (error) return error;
  return undefined;
}

// type KYCStatus =
//   | { type: "ok" }
//   | { type: "redirect"; status: TalerMerchantApi.AccountKycRedirects };
export function revalidateInstanceKYCDetails() {
  return mutate(
    (key) => Array.isArray(key) && key[key.length - 1] === "getCurrentIntanceKycStatus",
    undefined,
    { revalidate: true },
  );
}
export function useInstanceKYCDetails() {
  // const { fetcher } = useBackendInstanceRequest();

  // const { data, error } = useSWR<
  //   HttpResponseOk<TalerMerchantApi.AccountKycRedirects>,
  //   RequestError<TalerErrorDetail>
  // >([`/private/kyc`], fetcher, {
  //   refreshInterval: 60 * 1000,
  //   refreshWhenHidden: false,
  //   revalidateOnFocus: false,
  //   revalidateIfStale: false,
  //   revalidateOnMount: false,
  //   revalidateOnReconnect: false,
  //   refreshWhenOffline: false,
  //   errorRetryCount: 0,
  //   errorRetryInterval: 1,
  //   shouldRetryOnError: false,
  // });

  // if (data) {
  //   if (data.info?.status === 202)
  //     return { ok: true, data: { type: "redirect", status: data.data } };
  //   return { ok: true, data: { type: "ok" } };
  // }
  // if (error) return error.cause;
  // return { loading: true };

  const { state: session } = useSessionContext();
  const { lib: { management } } = useMerchantApiContext();

  async function fetcher([token]: [AccessToken]) {
    return await management.getCurrentIntanceKycStatus(token, {});
  }

  const { data, error } = useSWR<
    TalerMerchantManagementResultByMethod<"getCurrentIntanceKycStatus">,
    TalerHttpError
  >([session.token, "getCurrentIntanceKycStatus"], fetcher);

  if (data) return data;
  if (error) return error;
  return undefined;


}

export function revalidateManagedInstanceDetails() {
  return mutate(
    (key) => Array.isArray(key) && key[key.length - 1] === "getInstanceDetails",
    undefined,
    { revalidate: true },
  );
}
export function useManagedInstanceDetails(instanceId: string) {
  const { state: session } = useSessionContext();
  const { lib: { management } } = useMerchantApiContext();

  async function fetcher([token, instanceId]: [AccessToken, string]) {
    return await management.getInstanceDetails(token, instanceId);
  }

  const { data, error } = useSWR<
    TalerMerchantManagementResultByMethod<"getInstanceDetails">,
    TalerHttpError
  >([session.token, instanceId, "getInstanceDetails"], fetcher);

  if (data) return data;
  if (error) return error;
  return undefined;
}

export function revalidateBackendInstances() {
  return mutate(
    (key) => Array.isArray(key) && key[key.length - 1] === "listInstances",
    undefined,
    { revalidate: true },
  );
}
export function useBackendInstances() {
  const { state: session } = useSessionContext();
  const { lib: { management } } = useMerchantApiContext();

  async function fetcher([token]: [AccessToken]) {
    return await management.listInstances(token);
  }

  const { data, error } = useSWR<
    TalerMerchantManagementResultByMethod<"listInstances">,
    TalerHttpError
  >([session.token, "listInstances"], fetcher);

  if (data) return data;
  if (error) return error;
  return undefined;
}