/*
 This file is part of GNU Taler
 (C) 2022 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 {
  AmountJson,
  Amounts,
  HttpStatusCode,
  Logger,
  TranslatedString,
  parseWithdrawUri,
} from "@gnu-taler/taler-util";
import {
  RequestError,
  notify,
  notifyError,
  useTranslationContext,
} from "@gnu-taler/web-util/browser";
import { VNode, h } from "preact";
import { forwardRef } from "preact/compat";
import { useEffect, useRef, useState } from "preact/hooks";
import { useAccessAPI } from "../hooks/access.js";
import { buildRequestErrorMessage, undefinedIfEmpty } from "../utils.js";
import { Amount } from "./PaytoWireTransferForm.js";

const logger = new Logger("WalletWithdrawForm");
const RefAmount = forwardRef(Amount);

export function WalletWithdrawForm({
  focus,
  limit,
  onSuccess,
  onCancel,
}: {
  limit: AmountJson;
  focus?: boolean;
  onSuccess: (operationId: string) => void;
  onCancel: () => void;
}): VNode {
  const { i18n } = useTranslationContext();
  const { createWithdrawal } = useAccessAPI();

  const [amountStr, setAmountStr] = useState<string | undefined>("5.00");
  const ref = useRef<HTMLInputElement>(null);
  useEffect(() => {
    if (focus) ref.current?.focus();
  }, [focus]);

  const trimmedAmountStr = amountStr?.trim();

  const parsedAmount = trimmedAmountStr
    ? Amounts.parse(`${limit.currency}:${trimmedAmountStr}`)
    : undefined;

  const errors = undefinedIfEmpty({
    amount:
      trimmedAmountStr == null
        ? i18n.str`required`
        : !parsedAmount
          ? i18n.str`invalid`
          : Amounts.cmp(limit, parsedAmount) === -1
            ? i18n.str`balance is not enough`
            : undefined,
  });

  async function doStart() {
    if (!parsedAmount) return;
    try {
      const result = await createWithdrawal({
        amount: Amounts.stringify(parsedAmount),
      });
      const uri = parseWithdrawUri(result.data.taler_withdraw_uri);
      if (!uri) {
        return notifyError(
          i18n.str`Server responded with an invalid  withdraw URI`,
          i18n.str`Withdraw URI: ${result.data.taler_withdraw_uri}`);
      } else {
        onSuccess(uri.withdrawalOperationId);
      }
    } catch (error) {
      if (error instanceof RequestError) {
        notify(
          buildRequestErrorMessage(i18n, error.cause, {
            onClientError: (status) =>
              status === HttpStatusCode.Forbidden
                ? i18n.str`The operation was rejected due to insufficient funds`
                : undefined,
          }),
        );
      } else {
        notifyError(
          i18n.str`Operation failed, please report`,
          (error instanceof Error
            ? error.message
            : JSON.stringify(error)) as TranslatedString
        )
}
    }

  }

  return (<div class="grid grid-cols-1 gap-x-8 gap-y-8 pt-10 md:grid-cols-3 bg-gray-100 my-4 px-4 pb-4 rounded-lg">
    <div class="px-4 sm:px-0">
      <h2 class="text-base font-semibold leading-7 text-gray-900"><i18n.Translate>Prepare your wallet</i18n.Translate></h2>
      <p class="mt-1 text-sm text-gray-500">
        <i18n.Translate>Upon starting you will receive the money in your digital wallet, if you don't have one please <a class="font-semibold text-gray-500 hover:text-gray-400" href="https://taler.net/en/wallet.html">install one from here</a></i18n.Translate>.
      </p>
      <p class="mt-1 text-sm text-gray-500">
        <i18n.Translate>After using your wallet you will be redirected here to confirm or cancel the operation.</i18n.Translate>
      </p>
    </div>
    <form
      class="bg-white shadow-sm ring-1 ring-gray-900/5 sm:rounded-xl md:col-span-2"
      autoCapitalize="none"
      autoCorrect="off"
      onSubmit={e => {
        e.preventDefault()
      }}
    >
      <div class="px-4 py-6 sm:p-8">
        <div class="grid max-w-2xl grid-cols-1 gap-x-6 gap-y-8 sm:grid-cols-6">
          <div class="sm:col-span-5">
            <label for="withdraw-amount">{i18n.str`Amount`}</label>
            <RefAmount
              currency={limit.currency}
              value={amountStr}
              name="withdraw-amount"
              onChange={(v) => {
                setAmountStr(v);
              }}
              error={errors?.amount}
              ref={ref}
            />
          </div>
          <div class="sm:col-span-5">
            <span class="isolate inline-flex rounded-md shadow-sm">
              <button type="button"
                class="relative               inline-flex px-3 py-2 text-sm items-center rounded-l-md bg-white text-gray-900 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-10"
                onClick={(e) => {
                  e.preventDefault();
                  setAmountStr("50.00")
                }}
              >
                50.00
              </button>
              <button type="button"
                class="relative -ml-px -mr-px inline-flex px-3 py-2 text-sm items-center              bg-white text-gray-900 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-10"
                onClick={(e) => {
                  e.preventDefault();
                  setAmountStr("25.00")
                }}
              >

                25.00
              </button>
              <button type="button"
                class="relative -ml-px -mr-px inline-flex px-3 py-2 text-sm items-center              bg-white text-gray-900 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-10"
                onClick={(e) => {
                  e.preventDefault();
                  setAmountStr("10.00")
                }}
              >
                10.00
              </button>
              <button type="button"
                class="relative               inline-flex px-3 py-2 text-sm items-center rounded-r-md bg-white  text-gray-900 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-10"
                onClick={(e) => {
                  e.preventDefault();
                  setAmountStr("5.00")
                }}
              >
                5.00
              </button>
            </span>
          </div>

        </div>
      </div>
      <div class="flex items-center justify-between gap-x-6 border-t border-gray-900/10 px-4 py-4 sm:px-8">
        <button type="button" class="text-sm font-semibold leading-6 text-gray-900"
          onClick={onCancel}
        >
          <i18n.Translate>Cancel</i18n.Translate></button>
        <button type="submit"
          class="disabled:opacity-50 disabled:cursor-default cursor-pointer rounded-md bg-indigo-600 px-3 py-2 text-sm font-semibold text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600"
          // disabled={isRawPayto ? !!errorsPayto : !!errorsWire}
          onClick={(e) => {
            e.preventDefault()
            doStart()
          }}
        >
          <i18n.Translate>Continue</i18n.Translate>
        </button>
      </div>

    </form>
  </div>
  );
}

// export function Amount(
//   {
//     currency,
//     value,
//     error,
//     onChange,
//   }: {
//     error?: string;
//     currency: string;
//     value: string | undefined;
//     onChange?: (s: string) => void;
//   },
//   ref: Ref<HTMLInputElement>,
// ): VNode {
//   return (
//     <div style={{ width: "max-content" }}>
//       <div>
//         <input
//           type="text"
//           readonly
//           class="currency-indicator"
//           size={currency.length}
//           maxLength={currency.length}
//           tabIndex={-1}
//           style={{
//             borderTopRightRadius: 0,
//             borderBottomRightRadius: 0,
//             borderRight: 0,
//           }}
//           value={currency}
//         />
//         <input
//           type="number"
//           ref={ref}
//           name="amount"
//           id="amount"
//           placeholder="0"
//           style={{
//             borderTopLeftRadius: 0,
//             borderBottomLeftRadius: 0,
//             borderLeft: 0,
//             width: 150,
//             color: "black",
//           }}
//           value={value ?? ""}
//           disabled={!onChange}
//           onInput={(e): void => {
//             if (onChange) {
//               onChange(e.currentTarget.value);
//             }
//           }}
//         />
//       </div>
//       <ShowInputErrorLabel message={error} isDirty={value !== undefined} />
//     </div>
//   );
// }