/*
 This file is part of GNU Taler
 (C) 2021-2023 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,
    HttpResponsePaginated,
    RequestError,
} from "@gnu-taler/web-util/browser";
import { useEffect, useState } from "preact/hooks";
import { AuditorBackend } from "../declaration.js";
import { MAX_RESULT_SIZE, PAGE_SIZE } from "../utils/constants.js";
import { useBackendInstanceRequest, useMatchMutate } from "./backend.js";

// FIX default import https://github.com/microsoft/TypeScript/issues/49189
import _useSWR, { SWRHook } from "swr";
const useSWR = _useSWR as unknown as SWRHook;

export interface DepositConfirmationAPI {
    deleteDepositConfirmation: (id: string) => Promise<HttpResponseOk<void>>;
}

type YesOrNo = "yes" | "no";

export function useDepositConfirmationAPI(): DepositConfirmationAPI {
    const mutateAll = useMatchMutate();
    const { request } = useBackendInstanceRequest();

    const deleteDepositConfirmation = async (
        depositConfirmationSerialId: string,
    ): Promise<HttpResponseOk<void>> => {
        mutateAll(/@"\/deposit-confirmation"@/);
        const res = request<void>(`/deposit-confirmation/${depositConfirmationSerialId}`, {
            method: "DELETE",
        });
        await mutateAll(/.*deposit-confirmation.*/);
        return res;
    };


    return { deleteDepositConfirmation };
}

/*export function useOrderDetails(
    oderId: string,
): HttpResponse<
    MerchantBackend.Orders.MerchantOrderStatusResponse,
    AuditorBackend.ErrorDetail
> {
    const { fetcher } = useBackendInstanceRequest();

    const { data, error, isValidating } = useSWR<
        HttpResponseOk<MerchantBackend.Orders.MerchantOrderStatusResponse>,
        RequestError<MerchantAuBackend.ErrorDetail>
    >([`/private/orders/${oderId}`], fetcher, {
        refreshInterval: 0,
        refreshWhenHidden: false,
        revalidateOnFocus: false,
        revalidateOnReconnect: false,
        refreshWhenOffline: false,
    });

    if (isValidating) return { loading: true, data: data?.data };
    if (data) return data;
    if (error) return error.cause;
    return { loading: true };
}
*/
export interface InstanceOrderFilter {
    suppressed?: YesOrNo;
    suppressDate?: Date;
}
/*
export function useInstanceOrders(
    args?: InstanceOrderFilter,
    updateFilter?: (d: Date) => void,
): HttpResponsePaginated<
    MerchantBackend.Orders.OrderHistory,
    MerchantBackend.ErrorDetail
> {
    const { orderFetcher } = useBackendInstanceRequest();

    const [pageBefore, setPageBefore] = useState(1);
    const [pageAfter, setPageAfter] = useState(1);

    const totalAfter = pageAfter * PAGE_SIZE;
    const totalBefore = args?.date ? pageBefore * PAGE_SIZE : 0;

    /**
     * FIXME: this can be cleaned up a little
     *
     * the logic of double query should be inside the orderFetch so from the hook perspective and cache
     * is just one query and one error status
     *//*
    const {
        data: beforeData,
        error: beforeError,
        isValidating: loadingBefore,
    } = useSWR<
        HttpResponseOk<MerchantBackend.Orders.OrderHistory>,
        RequestError<MerchantBackend.ErrorDetail>
    >(
        [
            `/private/orders`,
            args?.paid,
            args?.refunded,
            args?.wired,
            args?.date,
            totalBefore,
        ],
        orderFetcher,
    );
    const {
        data: afterData,
        error: afterError,
        isValidating: loadingAfter,
    } = useSWR<
        HttpResponseOk<MerchantBackend.Orders.OrderHistory>,
        RequestError<MerchantBackend.ErrorDetail>
    >(
        [
            `/private/orders`,
            args?.paid,
            args?.refunded,
            args?.wired,
            args?.date,
            -totalAfter,
        ],
        orderFetcher,
    );

    //this will save last result
    const [lastBefore, setLastBefore] = useState<
        HttpResponse<
            MerchantBackend.Orders.OrderHistory,
            MerchantBackend.ErrorDetail
        >
    >({ loading: true });
    const [lastAfter, setLastAfter] = useState<
        HttpResponse<
            MerchantBackend.Orders.OrderHistory,
            MerchantBackend.ErrorDetail
        >
    >({ loading: true });
    useEffect(() => {
        if (afterData) setLastAfter(afterData);
        if (beforeData) setLastBefore(beforeData);
    }, [afterData, beforeData]);

    if (beforeError) return beforeError.cause;
    if (afterError) return afterError.cause;

    // if the query returns less that we ask, then we have reach the end or beginning
    const isReachingEnd = afterData && afterData.data.orders.length < totalAfter;
    const isReachingStart =
        args?.date === undefined ||
        (beforeData && beforeData.data.orders.length < totalBefore);

    const pagination = {
        isReachingEnd,
        isReachingStart,
        loadMore: () => {
            if (!afterData || isReachingEnd) return;
            if (afterData.data.orders.length < MAX_RESULT_SIZE) {
                setPageAfter(pageAfter + 1);
            } else {
                const from =
                    afterData.data.orders[afterData.data.orders.length - 1].timestamp.t_s;
                if (from && from !== "never" && updateFilter)
                    updateFilter(new Date(from * 1000));
            }
        },
        loadMorePrev: () => {
            if (!beforeData || isReachingStart) return;
            if (beforeData.data.orders.length < MAX_RESULT_SIZE) {
                setPageBefore(pageBefore + 1);
            } else if (beforeData) {
                const from =
                    beforeData.data.orders[beforeData.data.orders.length - 1].timestamp
                        .t_s;
                if (from && from !== "never" && updateFilter)
                    updateFilter(new Date(from * 1000));
            }
        },
    };

    const orders =
        !beforeData || !afterData
            ? []
            : (beforeData || lastBefore).data.orders
                .slice()
                .reverse()
                .concat((afterData || lastAfter).data.orders);
    if (loadingAfter || loadingBefore) return { loading: true, data: { orders } };
    if (beforeData && afterData) {
        return { ok: true, data: { orders }, ...pagination };
    }
    return { loading: true };
}*/