import {Component} from 'react';
import {browserHistory, RouteComponentProps} from 'react-router';

import {addErrorMessage, addSuccessMessage} from 'sentry/actionCreators/indicator';
import {
  changeProjectSlug,
  removeProject,
  transferProject,
} from 'sentry/actionCreators/projects';
import {hasEveryAccess} from 'sentry/components/acl/access';
import {Button} from 'sentry/components/button';
import Confirm from 'sentry/components/confirm';
import FieldGroup from 'sentry/components/forms/fieldGroup';
import TextField from 'sentry/components/forms/fields/textField';
import Form, {FormProps} from 'sentry/components/forms/form';
import JsonForm from 'sentry/components/forms/jsonForm';
import {FieldValue} from 'sentry/components/forms/model';
import Hook from 'sentry/components/hook';
import ExternalLink from 'sentry/components/links/externalLink';
import {removePageFiltersStorage} from 'sentry/components/organizations/pageFilters/persistence';
import {Panel, PanelAlert, PanelHeader} from 'sentry/components/panels';
import {fields} from 'sentry/data/forms/projectGeneralSettings';
import {t, tct} from 'sentry/locale';
import ProjectsStore from 'sentry/stores/projectsStore';
import {Organization, Project} from 'sentry/types';
import {handleXhrErrorResponse} from 'sentry/utils/handleXhrErrorResponse';
import recreateRoute from 'sentry/utils/recreateRoute';
import RequestError from 'sentry/utils/requestError/requestError';
import routeTitleGen from 'sentry/utils/routeTitle';
import withOrganization from 'sentry/utils/withOrganization';
import AsyncView from 'sentry/views/asyncView';
import SettingsPageHeader from 'sentry/views/settings/components/settingsPageHeader';
import TextBlock from 'sentry/views/settings/components/text/textBlock';
import PermissionAlert from 'sentry/views/settings/project/permissionAlert';

type Props = AsyncView['props'] &
  RouteComponentProps<{projectId: string}, {}> & {
    onChangeSlug: (slug: string) => void;
    organization: Organization;
  };

type State = AsyncView['state'] & {
  data: Project;
};

class ProjectGeneralSettings extends AsyncView<Props, State> {
  private _form: Record<string, FieldValue> = {};

  getTitle() {
    const {projectId} = this.props.params;
    return routeTitleGen(t('Project Settings'), projectId, false);
  }

  getEndpoints(): ReturnType<AsyncView['getEndpoints']> {
    const {organization} = this.props;
    const {projectId} = this.props.params;

    return [['data', `/projects/${organization.slug}/${projectId}/`]];
  }

  handleTransferFieldChange = (id: string, value: FieldValue) => {
    this._form[id] = value;
  };

  handleRemoveProject = () => {
    const {organization} = this.props;
    const project = this.state.data;

    removePageFiltersStorage(organization.slug);

    if (!project) {
      return;
    }

    removeProject({
      api: this.api,
      orgSlug: organization.slug,
      projectSlug: project.slug,
      origin: 'settings',
    })
      .then(
        () => {
          addSuccessMessage(
            tct('[project] was successfully removed', {project: project.slug})
          );
        },
        err => {
          addErrorMessage(tct('Error removing [project]', {project: project.slug}));
          throw err;
        }
      )
      .then(
        () => {
          // Need to hard reload because lots of components do not listen to Projects Store
          window.location.assign('/');
        },
        (err: RequestError) => handleXhrErrorResponse('Unable to remove project', err)
      );
  };

  handleTransferProject = async () => {
    const {organization} = this.props;
    const project = this.state.data;
    if (!project) {
      return;
    }
    if (typeof this._form.email !== 'string' || this._form.email.length < 1) {
      return;
    }

    try {
      await transferProject(this.api, organization.slug, project, this._form.email);
      // Need to hard reload because lots of components do not listen to Projects Store
      window.location.assign('/');
    } catch (err) {
      if (err.status >= 500) {
        handleXhrErrorResponse('Unable to transfer project', err);
      }
    }
  };

  isProjectAdmin = () =>
    hasEveryAccess(['project:admin'], {
      organization: this.props.organization,
      project: this.state.data,
    });

  renderRemoveProject() {
    const project = this.state.data;
    const isProjectAdmin = this.isProjectAdmin();
    const {isInternal} = project;

    return (
      <FieldGroup
        label={t('Remove Project')}
        help={tct(
          'Remove the [project] project and all related data. [linebreak] Careful, this action cannot be undone.',
          {
            project: <strong>{project.slug}</strong>,
            linebreak: <br />,
          }
        )}
      >
        {!isProjectAdmin &&
          t('You do not have the required permission to remove this project.')}

        {isInternal &&
          t(
            'This project cannot be removed. It is used internally by the Sentry server.'
          )}

        {isProjectAdmin && !isInternal && (
          <Confirm
            onConfirm={this.handleRemoveProject}
            priority="danger"
            confirmText={t('Remove Project')}
            message={
              <div>
                <TextBlock>
                  <strong>
                    {t('Removing this project is permanent and cannot be undone!')}
                  </strong>
                </TextBlock>
                <TextBlock>
                  {t('This will also remove all associated event data.')}
                </TextBlock>
              </div>
            }
          >
            <div>
              <Button priority="danger">{t('Remove Project')}</Button>
            </div>
          </Confirm>
        )}
      </FieldGroup>
    );
  }

  renderTransferProject() {
    const project = this.state.data;
    const isProjectAdmin = this.isProjectAdmin();
    const {isInternal} = project;

    return (
      <FieldGroup
        label={t('Transfer Project')}
        help={tct(
          'Transfer the [project] project and all related data. [linebreak] Careful, this action cannot be undone.',
          {
            project: <strong>{project.slug}</strong>,
            linebreak: <br />,
          }
        )}
      >
        {!isProjectAdmin &&
          t('You do not have the required permission to transfer this project.')}

        {isInternal &&
          t(
            'This project cannot be transferred. It is used internally by the Sentry server.'
          )}

        {isProjectAdmin && !isInternal && (
          <Confirm
            onConfirm={this.handleTransferProject}
            priority="danger"
            confirmText={t('Transfer project')}
            renderMessage={({confirm}) => (
              <div>
                <TextBlock>
                  <strong>
                    {t('Transferring this project is permanent and cannot be undone!')}
                  </strong>
                </TextBlock>
                <TextBlock>
                  {t(
                    'Please enter the email of an organization owner to whom you would like to transfer this project.'
                  )}
                </TextBlock>
                <Panel>
                  <Form
                    hideFooter
                    onFieldChange={this.handleTransferFieldChange}
                    onSubmit={(_data, _onSuccess, _onError, e) => {
                      e.stopPropagation();
                      confirm();
                    }}
                  >
                    <TextField
                      name="email"
                      label={t('Organization Owner')}
                      placeholder="admin@example.com"
                      required
                      help={t(
                        'A request will be emailed to this address, asking the organization owner to accept the project transfer.'
                      )}
                    />
                  </Form>
                </Panel>
              </div>
            )}
          >
            <div>
              <Button priority="danger">{t('Transfer Project')}</Button>
            </div>
          </Confirm>
        )}
      </FieldGroup>
    );
  }

  renderBody() {
    const {organization} = this.props;
    const project = this.state.data;
    const {projectId} = this.props.params;
    const endpoint = `/projects/${organization.slug}/${projectId}/`;
    const access = new Set(organization.access.concat(project.access));

    const jsonFormProps = {
      additionalFieldProps: {
        organization,
      },
      features: new Set(organization.features),
      access,
      disabled: !hasEveryAccess(['project:write'], {organization, project}),
    };

    const team = project.teams.length ? project.teams?.[0] : undefined;

    /*
    HACK: The <Form /> component applies its props to its children meaning the hooked component
          would need to conform to the form settings applied in a separate repository. This is
          not feasible to maintain and may introduce compatability errors if something changes
          in either repository. For that reason, the Form component is split in two, since the
          fields do not depend on one another, allowing for the Hook to manage it's own state.
    */
    const formProps: FormProps = {
      saveOnBlur: true,
      allowUndo: true,
      initialData: {
        ...project,
        team,
      },
      apiMethod: 'PUT' as const,
      apiEndpoint: endpoint,
      onSubmitSuccess: resp => {
        this.setState({data: resp});
        if (projectId !== resp.slug) {
          changeProjectSlug(projectId, resp.slug);
          // Container will redirect after stores get updated with new slug
          this.props.onChangeSlug(resp.slug);
        }
        // This will update our project context
        ProjectsStore.onUpdateSuccess(resp);
      },
    };

    return (
      <div>
        <SettingsPageHeader title={t('Project Settings')} />
        <PermissionAlert project={project} />

        <Form {...formProps}>
          <JsonForm
            {...jsonFormProps}
            title={t('Project Details')}
            fields={[fields.name, fields.platform]}
          />

          <JsonForm
            {...jsonFormProps}
            title={t('Email')}
            fields={[fields.subjectPrefix]}
          />
        </Form>
        <Hook
          name="spend-visibility:spike-protection-project-settings"
          project={project}
        />
        <Form {...formProps}>
          <JsonForm
            {...jsonFormProps}
            title={t('Event Settings')}
            fields={[fields.resolveAge]}
          />

          <JsonForm
            {...jsonFormProps}
            title={t('Client Security')}
            fields={[
              fields.allowedDomains,
              fields.scrapeJavaScript,
              fields.securityToken,
              fields.securityTokenHeader,
              fields.verifySSL,
            ]}
            renderHeader={() => (
              <PanelAlert type="info">
                <TextBlock noMargin>
                  {tct(
                    'Configure origin URLs which Sentry should accept events from. This is used for communication with clients like [link].',
                    {
                      link: (
                        <ExternalLink href="https://github.com/getsentry/sentry-javascript">
                          sentry-javascript
                        </ExternalLink>
                      ),
                    }
                  )}{' '}
                  {tct(
                    'This will restrict requests based on the [Origin] and [Referer] headers.',
                    {
                      Origin: <code>Origin</code>,
                      Referer: <code>Referer</code>,
                    }
                  )}
                </TextBlock>
              </PanelAlert>
            )}
          />
        </Form>

        <Panel>
          <PanelHeader>{t('Project Administration')}</PanelHeader>
          {this.renderRemoveProject()}
          {this.renderTransferProject()}
        </Panel>
      </div>
    );
  }
}

type ContainerProps = {
  organization: Organization;
} & RouteComponentProps<{projectId: string}, {}>;

class ProjectGeneralSettingsContainer extends Component<ContainerProps> {
  componentWillUnmount() {
    this.unsubscribe();
  }

  changedSlug: string | undefined = undefined;
  unsubscribe = ProjectsStore.listen(() => this.onProjectsUpdate(), undefined);

  onProjectsUpdate() {
    if (!this.changedSlug) {
      return;
    }
    const project = ProjectsStore.getBySlug(this.changedSlug);

    if (!project) {
      return;
    }

    browserHistory.replace(
      recreateRoute('', {
        ...this.props,
        params: {
          ...this.props.params,
          projectId: this.changedSlug,
        },
      })
    );
  }

  render() {
    return (
      <ProjectGeneralSettings
        onChangeSlug={(newSlug: string) => (this.changedSlug = newSlug)}
        {...this.props}
      />
    );
  }
}

export default withOrganization(ProjectGeneralSettingsContainer);