/*
 * MIT License
 *
 * Copyright (c) 2020-present Cloudogu GmbH and Contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import React, { FC, useEffect, useState } from "react";
import { Link, Links, Repository, CUSTOM_NAMESPACE_STRATEGY } from "@scm-manager/ui-types";
import { Button, ButtonGroup, ErrorNotification, InputField, Level, Loading, Modal } from "@scm-manager/ui-components";
import { useTranslation } from "react-i18next";
import { apiClient } from "@scm-manager/ui-components";
import { useHistory } from "react-router-dom";
import { ExtensionPoint } from "@scm-manager/ui-extensions";
import * as validator from "../components/form/repositoryValidation";

export const CONTENT_TYPE = "application/vnd.scmm-repository+json;v=2";

type Props = {
  repository: Repository;
  indexLinks: Links;
};

const RenameRepository: FC<Props> = ({ repository, indexLinks }) => {
  const history = useHistory();
  const [t] = useTranslation("repos");
  const [error, setError] = useState<Error | undefined>(undefined);
  const [loading, setLoading] = useState(false);
  const [showModal, setShowModal] = useState(false);
  const [name, setName] = useState(repository.name);
  const [namespace, setNamespace] = useState(repository.namespace);
  const [nameValidationError, setNameValidationError] = useState(false);
  const [namespaceValidationError, setNamespaceValidationError] = useState(false);
  const [currentNamespaceStrategie, setCurrentNamespaceStrategy] = useState("");

  useEffect(() => {
    apiClient
      .get((indexLinks?.namespaceStrategies as Link).href)
      .then(result => result.json())
      .then(result => setCurrentNamespaceStrategy(result.current))
      .catch(setError);
  }, [repository]);

  if (error) {
    return <ErrorNotification error={error} />;
  }

  if (loading) {
    return <Loading />;
  }

  const isValid =
    !nameValidationError &&
    !namespaceValidationError &&
    (repository.name !== name || repository.namespace !== namespace);

  const handleNamespaceChange = (namespace: string) => {
    setNamespaceValidationError(!validator.isNamespaceValid(namespace));
    setNamespace(namespace);
  };

  const handleNameChange = (name: string) => {
    setNameValidationError(!validator.isNameValid(name));
    setName(name);
  };

  const renderNamespaceField = () => {
    const props = {
      label: t("repository.namespace"),
      helpText: t("help.namespaceHelpText"),
      value: namespace,
      onChange: handleNamespaceChange,
      errorMessage: t("validation.namespace-invalid"),
      validationError: namespaceValidationError
    };

    if (currentNamespaceStrategie === CUSTOM_NAMESPACE_STRATEGY) {
      return <InputField {...props} />;
    }

    return <ExtensionPoint name="repos.create.namespace" props={props} renderAll={false} />;
  };

  const rename = () => {
    setLoading(true);
    const url = repository?._links?.renameWithNamespace
      ? (repository?._links?.renameWithNamespace as Link).href
      : (repository?._links?.rename as Link).href;

    apiClient
      .post(url, { name, namespace }, CONTENT_TYPE)
      .then(() => setLoading(false))
      .then(() => history.push(`/repo/${namespace}/${name}`))
      .catch(setError);
  };

  const modalBody = (
    <div>
      <InputField
        label={t("renameRepo.modal.label.repoName")}
        name={t("renameRepo.modal.label.repoName")}
        errorMessage={t("validation.name-invalid")}
        helpText={t("help.nameHelpText")}
        validationError={nameValidationError}
        value={name}
        onChange={handleNameChange}
      />
      {renderNamespaceField()}
    </div>
  );

  const footer = (
    <>
      <ButtonGroup>
        <Button
          color="warning"
          icon="exclamation-triangle"
          label={t("renameRepo.modal.button.rename")}
          disabled={!isValid}
          title={t("renameRepo.modal.button.rename")}
          action={rename}
        />
        <Button
          label={t("renameRepo.modal.button.cancel")}
          title={t("renameRepo.modal.button.cancel")}
          action={() => setShowModal(false)}
        />
      </ButtonGroup>
    </>
  );

  return (
    <>
      <Modal
        active={showModal}
        title={t("renameRepo.modal.title")}
        footer={footer}
        body={modalBody}
        closeFunction={() => setShowModal(false)}
      />
      <Level
        left={
          <p>
            <strong>{t("renameRepo.subtitle")}</strong>
            <br />
            {t("renameRepo.description1")}
            <br />
            {t("renameRepo.description2")}
          </p>
        }
        right={
          <Button
            label={t("renameRepo.button")}
            action={() => setShowModal(true)}
            loading={loading}
            color="warning"
            icon="edit"
          />
        }
      />
    </>
  );
};

export default RenameRepository;
