// @flow
import * as React from "react";
import { withRouter, type RouterHistory } from "react-router-dom";
import { observable } from "mobx";
import { inject, observer } from "mobx-react";
import Button from "components/Button";
import Flex from "components/Flex";
import HelpText from "components/HelpText";
import Document from "models/Document";
import DocumentsStore from "stores/DocumentsStore";
import UiStore from "stores/UiStore";
import { collectionUrl } from "utils/routeHelpers";

type Props = {
  history: RouterHistory,
  document: Document,
  documents: DocumentsStore,
  ui: UiStore,
  onSubmit: () => void,
};

@observer
class DocumentDelete extends React.Component<Props> {
  @observable isDeleting: boolean;

  handleSubmit = async (ev: SyntheticEvent<>) => {
    ev.preventDefault();
    this.isDeleting = true;

    try {
      await this.props.document.delete();
      if (this.props.ui.activeDocumentId === this.props.document.id) {
        this.props.history.push(
          collectionUrl(this.props.document.collectionId)
        );
      }
      this.props.onSubmit();
    } catch (err) {
      this.props.ui.showToast(err.message);
    } finally {
      this.isDeleting = false;
    }
  };

  render() {
    const { document } = this.props;

    return (
      <Flex column>
        <form onSubmit={this.handleSubmit}>
          <HelpText>
            Are you sure about that? Deleting the{" "}
            <strong>{document.title}</strong> document will delete all of its
            history, and any nested documents.
          </HelpText>
          {!document.isDraft &&
            !document.isArchived && (
              <HelpText>
                If you’d like the option of referencing or restoring this
                document in the future, consider archiving it instead.
              </HelpText>
            )}
          <Button type="submit" danger>
            {this.isDeleting ? "Deleting…" : "I’m sure – Delete"}
          </Button>
        </form>
      </Flex>
    );
  }
}

export default inject("documents", "ui")(withRouter(DocumentDelete));