/*
 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,
  WithdrawUriResult,
  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";
import { useSettings } from "../hooks/settings.js";
import { OperationState } from "./OperationState/index.js";

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


function OldWithdrawalForm({ goToConfirmOperation, limit, onCancel, focus }: {
  limit: AmountJson;
  focus?: boolean;
  goToConfirmOperation: (operationId: string) => void;
  onCancel: () => void;
}): VNode {
  const { i18n } = useTranslationContext();
  const [settings, updateSettings] = useSettings()

  const { createWithdrawal } = useAccessAPI();
  const [amountStr, setAmountStr] = useState<string | undefined>(`${settings.maxWithdrawalAmount}`);
  const ref = useRef<HTMLInputElement>(null);
  useEffect(() => {
    if (focus) ref.current?.focus();
  }, [focus]);

  if (!!settings.currentWithdrawalOperationId) {
    return <div class="rounded-md bg-yellow-50 ring-yellow-2 p-4">
      <div class="flex">
        <div class="flex-shrink-0">
          <svg class="h-5 w-5 text-yellow-300" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
            <path fill-rule="evenodd" d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7-4a1 1 0 11-2 0 1 1 0 012 0zM9 9a.75.75 0 000 1.5h.253a.25.25 0 01.244.304l-.459 2.066A1.75 1.75 0 0010.747 15H11a.75.75 0 000-1.5h-.253a.25.25 0 01-.244-.304l.459-2.066A1.75 1.75 0 009.253 9H9z" clip-rule="evenodd" />
          </svg>
        </div>
        <div class="ml-3">
          <h3 class="text-sm font-bold text-yellow-800">
            <i18n.Translate>There is an operation already</i18n.Translate>
          </h3>
          <div class="mt-2 text-sm text-yellow-700">
            <p>
              <i18n.Translate>
                To complete or cancel the operation click <a class="font-semibold text-yellow-700 hover:text-yellow-600" href={`#/operation/${settings.currentWithdrawalOperationId}`}>here</a>
              </i18n.Translate>
            </p>
        </div>
      </div>
    </div>
  </div >
  }

  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 {
        updateSettings("currentWithdrawalOperationId", uri.withdrawalOperationId)
        goToConfirmOperation(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 <form
    class="bg-white shadow-sm ring-1 ring-gray-900/5 sm:rounded-xl md:col-span-2 mt-4"
    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-6 py-4 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-6 py-4 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-6 py-4 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-6 py-4 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>
}


export function WalletWithdrawForm({
  focus,
  limit,
  onCancel,
  goToConfirmOperation,
}: {
  limit: AmountJson;
  focus?: boolean;
  goToConfirmOperation: (operationId: string) => void;
  onCancel: () => void;
}): VNode {
  const { i18n } = useTranslationContext();
  const [settings, updateSettings] = useSettings()

  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>After using your wallet you will confirm or cancel the operation.</i18n.Translate>
      </p>
    </div>

    <div class="col-span-2">
      {settings.showInstallWallet && <div class="rounded-md bg-blue-50 ring-blue-2 ring-2 p-4">
        <div class="flex">
          <div class="flex-shrink-0">
            <svg class="h-5 w-5 text-blue-300" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
              <path fill-rule="evenodd" d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7-4a1 1 0 11-2 0 1 1 0 012 0zM9 9a.75.75 0 000 1.5h.253a.25.25 0 01.244.304l-.459 2.066A1.75 1.75 0 0010.747 15H11a.75.75 0 000-1.5h-.253a.25.25 0 01-.244-.304l.459-2.066A1.75 1.75 0 009.253 9H9z" clip-rule="evenodd" />
            </svg>
          </div>
          <div class="ml-3">
            <h3 class="text-sm font-bold text-blue-800">
              <i18n.Translate>You need a GNU Taler Wallet</i18n.Translate>
            </h3>
            <div class="mt-2 text-sm text-blue-700">
              <p>
                <i18n.Translate>
                  If you dont have one yet you can follow the instruction <a target="_blank" rel="noreferrer noopener" class="font-semibold text-blue-700 hover:text-blue-600" href="https://taler.net/en/wallet.html">here</a>
                </i18n.Translate>
              </p>
              <p class="mt-3 text-sm flex justify-end">
                <button type="button" class="inline-flex font-semibold items-center rounded bg-white px-2 py-1 text-xs text-gray-900 shadow-sm ring-1 ring-inset ring-gray-300 hover:bg-gray-50"
                  onClick={(e) => {
                    e.preventDefault();
                    updateSettings("showInstallWallet", false);
                  }}
                >
                  I know
                  <svg class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
                    <path d="M6.28 5.22a.75.75 0 00-1.06 1.06L8.94 10l-3.72 3.72a.75.75 0 101.06 1.06L10 11.06l3.72 3.72a.75.75 0 101.06-1.06L11.06 10l3.72-3.72a.75.75 0 00-1.06-1.06L10 8.94 6.28 5.22z" />
                  </svg>
                </button>
              </p>

            </div>
          </div>
        </div>
      </div>}

      {!settings.fastWithdrawal ?
        <OldWithdrawalForm
          focus={focus}
          limit={limit}
          onCancel={onCancel}
          goToConfirmOperation={goToConfirmOperation}
        />
        :
        <OperationState
          currency={limit.currency}
          onClose={onCancel}
          goToConfirmOperation={goToConfirmOperation}
        />
      }
    </div>
  </div>
  );
}