//@flow
import React from "react";
import { connect } from "react-redux";
import { Loading, ErrorPage, Title } from "@scm-manager/ui-components";
import { Route } from "react-router-dom";
import type { History } from "history";
import { translate } from "react-i18next";
import type { RepositoryRole } from "@scm-manager/ui-types";
import { getRepositoryRolesLink } from "../../../modules/indexResource";
import { ExtensionPoint } from "@scm-manager/ui-extensions";
import {
  fetchRoleByName,
  getFetchRoleFailure,
  getRoleByName,
  isFetchRolePending
} from "../modules/roles";
import { withRouter } from "react-router-dom";
import PermissionRoleDetail from "../components/PermissionRoleDetails";
import EditRepositoryRole from "./EditRepositoryRole";

type Props = {
  roleName: string,
  role: RepositoryRole,
  loading: boolean,
  error: Error,
  repositoryRolesLink: string,
  disabled: boolean,

  // dispatcher function
  fetchRoleByName: (string, string) => void,

  // context objects
  t: string => string,
  match: any,
  history: History
};

class SingleRepositoryRole extends React.Component<Props> {
  componentDidMount() {
    this.props.fetchRoleByName(
      this.props.repositoryRolesLink,
      this.props.roleName
    );
  }

  stripEndingSlash = (url: string) => {
    if (url.endsWith("/")) {
      return url.substring(0, url.length - 2);
    }
    return url;
  };

  matchedUrl = () => {
    return this.stripEndingSlash(this.props.match.url);
  };

  render() {
    const { t, loading, error, role } = this.props;

    if (error) {
      return (
        <ErrorPage
          title={t("repositoryRole.errorTitle")}
          subtitle={t("repositoryRole.errorSubtitle")}
          error={error}
        />
      );
    }

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

    const url = this.matchedUrl();

    const extensionProps = {
      role,
      url
    };

    return (
      <>
        <Title title={t("repositoryRole.title")} />
        <Route
          path={`${url}/info`}
          component={() => <PermissionRoleDetail role={role} url={url} />}
        />
        <Route
          path={`${url}/edit`}
          exact
          component={() => (
            <EditRepositoryRole role={role} history={this.props.history} />
          )}
        />
        <ExtensionPoint
          name="roles.route"
          props={extensionProps}
          renderAll={true}
        />
      </>
    );
  }
}

const mapStateToProps = (state, ownProps) => {
  const roleName = ownProps.match.params.role;
  const role = getRoleByName(state, roleName);
  const loading = isFetchRolePending(state, roleName);
  const error = getFetchRoleFailure(state, roleName);
  const repositoryRolesLink = getRepositoryRolesLink(state);
  return {
    repositoryRolesLink,
    roleName,
    role,
    loading,
    error
  };
};

const mapDispatchToProps = dispatch => {
  return {
    fetchRoleByName: (link: string, name: string) => {
      dispatch(fetchRoleByName(link, name));
    }
  };
};

export default withRouter(
  connect(
    mapStateToProps,
    mapDispatchToProps
  )(translate("admin")(SingleRepositoryRole))
);