import { myAuthRequired } from "@utils/app";
import { capitalizeFirstLetter, validInstanceTLD } from "@utils/helpers";
import {
  Component,
  InfernoKeyboardEvent,
  InfernoMouseEvent,
  InfernoNode,
  linkEvent,
} from "inferno";
import {
  CreateSite,
  EditSite,
  GetSiteResponse,
  Instance,
  ListingType,
} from "lemmy-js-client";
import deepEqual from "lodash.isequal";
import { I18NextService } from "../../services";
import { Icon, Spinner } from "../common/icon";
import { ImageUploadForm } from "../common/image-upload-form";
import { LanguageSelect } from "../common/language-select";
import { ListingTypeSelect } from "../common/listing-type-select";
import { MarkdownTextArea } from "../common/markdown-textarea";
import NavigationPrompt from "../common/navigation-prompt";

interface SiteFormProps {
  blockedInstances?: Instance[];
  allowedInstances?: Instance[];
  showLocal?: boolean;
  themeList?: string[];
  onSaveSite(form: EditSite): void;
  siteRes: GetSiteResponse;
  loading: boolean;
}

interface SiteFormState {
  siteForm: EditSite;
  instance_select: {
    allowed_instances: string;
    blocked_instances: string;
  };
  submitted: boolean;
}

type InstanceKey = "allowed_instances" | "blocked_instances";

export class SiteForm extends Component<SiteFormProps, SiteFormState> {
  state: SiteFormState = {
    siteForm: this.initSiteForm(),
    instance_select: {
      allowed_instances: "",
      blocked_instances: "",
    },
    submitted: false,
  };

  initSiteForm(): EditSite {
    const site = this.props.siteRes.site_view.site;
    const ls = this.props.siteRes.site_view.local_site;

    return {
      name: site.name,
      sidebar: site.sidebar,
      description: site.description,
      enable_downvotes: ls.enable_downvotes,
      registration_mode: ls.registration_mode,
      enable_nsfw: ls.enable_nsfw,
      community_creation_admin_only: ls.community_creation_admin_only,
      icon: site.icon,
      banner: site.banner,
      require_email_verification: ls.require_email_verification,
      application_question: ls.application_question,
      private_instance: ls.private_instance,
      default_theme: ls.default_theme,
      default_post_listing_type: ls.default_post_listing_type,
      legal_information: ls.legal_information,
      application_email_admins: ls.application_email_admins,
      reports_email_admins: ls.reports_email_admins,
      hide_modlog_mod_names: ls.hide_modlog_mod_names,
      discussion_languages: this.props.siteRes.discussion_languages,
      slur_filter_regex: ls.slur_filter_regex,
      actor_name_max_length: ls.actor_name_max_length,
      federation_enabled: ls.federation_enabled,
      captcha_enabled: ls.captcha_enabled,
      captcha_difficulty: ls.captcha_difficulty,
      allowed_instances: this.props.allowedInstances?.map(i => i.domain),
      blocked_instances: this.props.blockedInstances?.map(i => i.domain),
      auth: "TODO",
    };
  }

  constructor(props: any, context: any) {
    super(props, context);

    this.handleSiteSidebarChange = this.handleSiteSidebarChange.bind(this);
    this.handleSiteLegalInfoChange = this.handleSiteLegalInfoChange.bind(this);
    this.handleSiteApplicationQuestionChange =
      this.handleSiteApplicationQuestionChange.bind(this);

    this.handleIconUpload = this.handleIconUpload.bind(this);
    this.handleIconRemove = this.handleIconRemove.bind(this);

    this.handleBannerUpload = this.handleBannerUpload.bind(this);
    this.handleBannerRemove = this.handleBannerRemove.bind(this);

    this.handleDefaultPostListingTypeChange =
      this.handleDefaultPostListingTypeChange.bind(this);

    this.handleDiscussionLanguageChange =
      this.handleDiscussionLanguageChange.bind(this);

    this.handleAddInstance = this.handleAddInstance.bind(this);
    this.handleRemoveInstance = this.handleRemoveInstance.bind(this);

    this.handleInstanceEnterPress = this.handleInstanceEnterPress.bind(this);
    this.handleInstanceTextChange = this.handleInstanceTextChange.bind(this);
  }

  render() {
    const siteSetup = this.props.siteRes.site_view.local_site.site_setup;
    return (
      <form
        className="site-form"
        onSubmit={linkEvent(this, this.handleSaveSiteSubmit)}
      >
        <NavigationPrompt
          when={
            !this.props.loading &&
            !siteSetup &&
            !!(
              this.state.siteForm.name ||
              this.state.siteForm.sidebar ||
              this.state.siteForm.application_question ||
              this.state.siteForm.description
            ) &&
            !this.state.submitted
          }
        />
        <h2 className="h5">{`${
          siteSetup
            ? capitalizeFirstLetter(I18NextService.i18n.t("edit"))
            : capitalizeFirstLetter(I18NextService.i18n.t("setup"))
        } ${I18NextService.i18n.t("your_site")}`}</h2>
        <div className="mb-3 row">
          <label className="col-12 col-form-label" htmlFor="create-site-name">
            {I18NextService.i18n.t("name")}
          </label>
          <div className="col-12">
            <input
              type="text"
              id="create-site-name"
              className="form-control"
              value={this.state.siteForm.name}
              onInput={linkEvent(this, this.handleSiteNameChange)}
              required
              minLength={3}
              maxLength={20}
            />
          </div>
        </div>
        <div className="row mb-3">
          <label className="col-sm-2 col-form-label">
            {I18NextService.i18n.t("icon")}
          </label>
          <div className="col-sm-10">
            <ImageUploadForm
              uploadTitle={I18NextService.i18n.t("upload_icon")}
              imageSrc={this.state.siteForm.icon}
              onUpload={this.handleIconUpload}
              onRemove={this.handleIconRemove}
              rounded
            />
          </div>
        </div>
        <div className="row mb-3">
          <label className="col-sm-2 col-form-label">
            {I18NextService.i18n.t("banner")}
          </label>
          <div className="col-sm-10">
            <ImageUploadForm
              uploadTitle={I18NextService.i18n.t("upload_banner")}
              imageSrc={this.state.siteForm.banner}
              onUpload={this.handleBannerUpload}
              onRemove={this.handleBannerRemove}
            />
          </div>
        </div>
        <div className="mb-3 row">
          <label className="col-12 col-form-label" htmlFor="site-desc">
            {I18NextService.i18n.t("description")}
          </label>
          <div className="col-12">
            <input
              type="text"
              className="form-control"
              id="site-desc"
              value={this.state.siteForm.description}
              onInput={linkEvent(this, this.handleSiteDescChange)}
              maxLength={150}
            />
          </div>
        </div>
        <div className="mb-3 row">
          <label className="col-12 col-form-label">
            {I18NextService.i18n.t("sidebar")}
          </label>
          <div className="col-12">
            <MarkdownTextArea
              initialContent={this.state.siteForm.sidebar}
              onContentChange={this.handleSiteSidebarChange}
              hideNavigationWarnings
              allLanguages={[]}
              siteLanguages={[]}
            />
          </div>
        </div>
        <div className="mb-3 row">
          <label className="col-12 col-form-label">
            {I18NextService.i18n.t("legal_information")}
          </label>
          <div className="col-12">
            <MarkdownTextArea
              initialContent={this.state.siteForm.legal_information}
              onContentChange={this.handleSiteLegalInfoChange}
              hideNavigationWarnings
              allLanguages={[]}
              siteLanguages={[]}
            />
          </div>
        </div>
        <div className="mb-3 row">
          <div className="col-12">
            <div className="form-check">
              <input
                className="form-check-input"
                id="create-site-downvotes"
                type="checkbox"
                checked={this.state.siteForm.enable_downvotes}
                onChange={linkEvent(this, this.handleSiteEnableDownvotesChange)}
              />
              <label
                className="form-check-label"
                htmlFor="create-site-downvotes"
              >
                {I18NextService.i18n.t("enable_downvotes")}
              </label>
            </div>
          </div>
        </div>
        <div className="mb-3 row">
          <div className="col-12">
            <div className="form-check">
              <input
                className="form-check-input"
                id="create-site-enable-nsfw"
                type="checkbox"
                checked={this.state.siteForm.enable_nsfw}
                onChange={linkEvent(this, this.handleSiteEnableNsfwChange)}
              />
              <label
                className="form-check-label"
                htmlFor="create-site-enable-nsfw"
              >
                {I18NextService.i18n.t("enable_nsfw")}
              </label>
            </div>
          </div>
        </div>
        <div className="mb-3 row">
          <div className="col-12">
            <label
              className="form-check-label me-2"
              htmlFor="create-site-registration-mode"
            >
              {I18NextService.i18n.t("registration_mode")}
            </label>
            <select
              id="create-site-registration-mode"
              value={this.state.siteForm.registration_mode}
              onChange={linkEvent(this, this.handleSiteRegistrationModeChange)}
              className="form-select d-inline-block w-auto"
            >
              <option value={"RequireApplication"}>
                {I18NextService.i18n.t("require_registration_application")}
              </option>
              <option value={"Open"}>
                {I18NextService.i18n.t("open_registration")}
              </option>
              <option value={"Closed"}>
                {I18NextService.i18n.t("close_registration")}
              </option>
            </select>
          </div>
        </div>
        {this.state.siteForm.registration_mode == "RequireApplication" && (
          <div className="mb-3 row">
            <label className="col-12 col-form-label">
              {I18NextService.i18n.t("application_questionnaire")}
            </label>
            <div className="col-12">
              <MarkdownTextArea
                initialContent={this.state.siteForm.application_question}
                onContentChange={this.handleSiteApplicationQuestionChange}
                hideNavigationWarnings
                allLanguages={[]}
                siteLanguages={[]}
              />
            </div>
          </div>
        )}
        <div className="mb-3 row">
          <div className="col-12">
            <div className="form-check">
              <input
                className="form-check-input"
                id="create-site-community-creation-admin-only"
                type="checkbox"
                checked={this.state.siteForm.community_creation_admin_only}
                onChange={linkEvent(
                  this,
                  this.handleSiteCommunityCreationAdminOnly
                )}
              />
              <label
                className="form-check-label"
                htmlFor="create-site-community-creation-admin-only"
              >
                {I18NextService.i18n.t("community_creation_admin_only")}
              </label>
            </div>
          </div>
        </div>
        <div className="mb-3 row">
          <div className="col-12">
            <div className="form-check">
              <input
                className="form-check-input"
                id="create-site-require-email-verification"
                type="checkbox"
                checked={this.state.siteForm.require_email_verification}
                onChange={linkEvent(
                  this,
                  this.handleSiteRequireEmailVerification
                )}
              />
              <label
                className="form-check-label"
                htmlFor="create-site-require-email-verification"
              >
                {I18NextService.i18n.t("require_email_verification")}
              </label>
            </div>
          </div>
        </div>
        <div className="mb-3 row">
          <div className="col-12">
            <div className="form-check">
              <input
                className="form-check-input"
                id="create-site-application-email-admins"
                type="checkbox"
                checked={this.state.siteForm.application_email_admins}
                onChange={linkEvent(
                  this,
                  this.handleSiteApplicationEmailAdmins
                )}
              />
              <label
                className="form-check-label"
                htmlFor="create-site-email-admins"
              >
                {I18NextService.i18n.t("application_email_admins")}
              </label>
            </div>
          </div>
        </div>
        <div className="mb-3 row">
          <div className="col-12">
            <div className="form-check">
              <input
                className="form-check-input"
                id="create-site-reports-email-admins"
                type="checkbox"
                checked={this.state.siteForm.reports_email_admins}
                onChange={linkEvent(this, this.handleSiteReportsEmailAdmins)}
              />
              <label
                className="form-check-label"
                htmlFor="create-site-reports-email-admins"
              >
                {I18NextService.i18n.t("reports_email_admins")}
              </label>
            </div>
          </div>
        </div>
        <div className="mb-3 row">
          <div className="col-12">
            <label
              className="form-check-label me-2"
              htmlFor="create-site-default-theme"
            >
              {I18NextService.i18n.t("theme")}
            </label>
            <select
              id="create-site-default-theme"
              value={this.state.siteForm.default_theme}
              onChange={linkEvent(this, this.handleSiteDefaultTheme)}
              className="form-select d-inline-block w-auto"
            >
              <option value="browser">
                {I18NextService.i18n.t("browser_default")}
              </option>
              {this.props.themeList?.map(theme => (
                <option key={theme} value={theme}>
                  {theme}
                </option>
              ))}
            </select>
          </div>
        </div>
        {this.props.showLocal && (
          <form className="mb-3 row">
            <label className="col-sm-3 col-form-label">
              {I18NextService.i18n.t("listing_type")}
            </label>
            <div className="col-sm-9">
              <ListingTypeSelect
                type_={this.state.siteForm.default_post_listing_type ?? "Local"}
                showLocal
                showSubscribed={false}
                onChange={this.handleDefaultPostListingTypeChange}
              />
            </div>
          </form>
        )}
        <div className="mb-3 row">
          <div className="col-12">
            <div className="form-check">
              <input
                className="form-check-input"
                id="create-site-private-instance"
                type="checkbox"
                checked={this.state.siteForm.private_instance}
                onChange={linkEvent(this, this.handleSitePrivateInstance)}
              />
              <label
                className="form-check-label"
                htmlFor="create-site-private-instance"
              >
                {I18NextService.i18n.t("private_instance")}
              </label>
            </div>
          </div>
        </div>
        <div className="mb-3 row">
          <div className="col-12">
            <div className="form-check">
              <input
                className="form-check-input"
                id="create-site-hide-modlog-mod-names"
                type="checkbox"
                checked={this.state.siteForm.hide_modlog_mod_names}
                onChange={linkEvent(this, this.handleSiteHideModlogModNames)}
              />
              <label
                className="form-check-label"
                htmlFor="create-site-hide-modlog-mod-names"
              >
                {I18NextService.i18n.t("hide_modlog_mod_names")}
              </label>
            </div>
          </div>
        </div>
        <div className="mb-3 row">
          <label
            className="col-12 col-form-label"
            htmlFor="create-site-slur-filter-regex"
          >
            {I18NextService.i18n.t("slur_filter_regex")}
          </label>
          <div className="col-12">
            <input
              type="text"
              id="create-site-slur-filter-regex"
              placeholder="(word1|word2)"
              className="form-control"
              value={this.state.siteForm.slur_filter_regex}
              onInput={linkEvent(this, this.handleSiteSlurFilterRegex)}
              minLength={3}
            />
          </div>
        </div>
        <LanguageSelect
          allLanguages={this.props.siteRes.all_languages}
          siteLanguages={this.props.siteRes.discussion_languages}
          selectedLanguageIds={this.state.siteForm.discussion_languages}
          multiple={true}
          onChange={this.handleDiscussionLanguageChange}
          showAll
        />
        <div className="mb-3 row">
          <label
            className="col-12 col-form-label"
            htmlFor="create-site-actor-name"
          >
            {I18NextService.i18n.t("actor_name_max_length")}
          </label>
          <div className="col-12">
            <input
              type="number"
              id="create-site-actor-name"
              className="form-control"
              min={5}
              value={this.state.siteForm.actor_name_max_length}
              onInput={linkEvent(this, this.handleSiteActorNameMaxLength)}
            />
          </div>
        </div>
        <div className="mb-3 row">
          <div className="col-12">
            <div className="form-check">
              <input
                className="form-check-input"
                id="create-site-federation-enabled"
                type="checkbox"
                checked={this.state.siteForm.federation_enabled}
                onChange={linkEvent(this, this.handleSiteFederationEnabled)}
              />
              <label
                className="form-check-label"
                htmlFor="create-site-federation-enabled"
              >
                {I18NextService.i18n.t("federation_enabled")}
              </label>
            </div>
          </div>
        </div>
        {this.state.siteForm.federation_enabled && (
          <>
            <div className="mb-3 row">
              {this.federatedInstanceSelect("allowed_instances")}
              {this.federatedInstanceSelect("blocked_instances")}
            </div>
            <div className="mb-3 row">
              <div className="col-12">
                <div className="form-check">
                  <input
                    className="form-check-input"
                    id="create-site-federation-debug"
                    type="checkbox"
                    checked={this.state.siteForm.federation_debug}
                    onChange={linkEvent(this, this.handleSiteFederationDebug)}
                  />
                  <label
                    className="form-check-label"
                    htmlFor="create-site-federation-debug"
                  >
                    {I18NextService.i18n.t("federation_debug")}
                  </label>
                </div>
              </div>
            </div>
          </>
        )}
        <div className="mb-3 row">
          <div className="col-12">
            <div className="form-check">
              <input
                className="form-check-input"
                id="create-site-captcha-enabled"
                type="checkbox"
                checked={this.state.siteForm.captcha_enabled}
                onChange={linkEvent(this, this.handleSiteCaptchaEnabled)}
              />
              <label
                className="form-check-label"
                htmlFor="create-site-captcha-enabled"
              >
                {I18NextService.i18n.t("captcha_enabled")}
              </label>
            </div>
          </div>
        </div>
        {this.state.siteForm.captcha_enabled && (
          <div className="mb-3 row">
            <div className="col-12">
              <label
                className="form-check-label me-2"
                htmlFor="create-site-captcha-difficulty"
              >
                {I18NextService.i18n.t("captcha_difficulty")}
              </label>
              <select
                id="create-site-captcha-difficulty"
                value={this.state.siteForm.captcha_difficulty}
                onChange={linkEvent(this, this.handleSiteCaptchaDifficulty)}
                className="form-select d-inline-block w-auto"
              >
                <option value="easy">{I18NextService.i18n.t("easy")}</option>
                <option value="medium">
                  {I18NextService.i18n.t("medium")}
                </option>
                <option value="hard">{I18NextService.i18n.t("hard")}</option>
              </select>
            </div>
          </div>
        )}
        <div className="mb-3 row">
          <div className="col-12">
            <button
              type="submit"
              className="btn btn-secondary me-2"
              disabled={this.props.loading}
            >
              {this.props.loading ? (
                <Spinner />
              ) : siteSetup ? (
                capitalizeFirstLetter(I18NextService.i18n.t("save"))
              ) : (
                capitalizeFirstLetter(I18NextService.i18n.t("create"))
              )}
            </button>
          </div>
        </div>
      </form>
    );
  }

  componentDidUpdate(
    prevProps: Readonly<{ children?: InfernoNode } & SiteFormProps>
  ) {
    if (
      !(
        deepEqual(prevProps.allowedInstances, this.props.allowedInstances) ||
        deepEqual(prevProps.blockedInstances, this.props.blockedInstances)
      )
    ) {
      this.setState({ siteForm: this.initSiteForm() });
    }
  }

  federatedInstanceSelect(key: InstanceKey) {
    const id = `create_site_${key}`;
    const value = this.state.instance_select[key];
    const selectedInstances = this.state.siteForm[key];
    return (
      <div className="col-12 col-md-6">
        <label className="col-form-label" htmlFor={id}>
          {I18NextService.i18n.t(key)}
        </label>
        <div className="d-flex justify-content-between align-items-center">
          <input
            type="text"
            placeholder="instance.tld"
            id={id}
            className="form-control"
            value={value}
            onInput={linkEvent(key, this.handleInstanceTextChange)}
            onKeyUp={linkEvent(key, this.handleInstanceEnterPress)}
          />
          <button
            type="button"
            className="btn btn-sm bg-success ms-2"
            onClick={linkEvent(key, this.handleAddInstance)}
            style={"width: 2rem; height: 2rem;"}
            tabIndex={
              -1 /* Making this untabble because handling enter key in text input makes keyboard support for this button redundant */
            }
          >
            <Icon
              icon="add"
              classes="icon-inline text-light m-auto d-block position-static"
            />
          </button>
        </div>
        {selectedInstances && selectedInstances.length > 0 && (
          <ul className="mt-3 list-unstyled w-100 d-flex flex-column justify-content-around align-items-center">
            {selectedInstances.map(instance => (
              <li
                key={instance}
                className="my-1 w-100 w-md-75 d-flex align-items-center justify-content-between"
              >
                <label className="d-block m-0 w-100 " htmlFor={instance}>
                  <strong>{instance}</strong>
                </label>
                <button
                  id={instance}
                  type="button"
                  style={"width: 2rem; height: 2rem;"}
                  className="btn btn-sm bg-danger"
                  onClick={linkEvent(
                    { key, instance },
                    this.handleRemoveInstance
                  )}
                >
                  <Icon
                    icon="x"
                    classes="icon-inline text-light m-auto d-block position-static"
                  />
                </button>
              </li>
            ))}
          </ul>
        )}
      </div>
    );
  }

  handleInstanceTextChange(type: InstanceKey, event: any) {
    this.setState(s => ({
      ...s,
      instance_select: {
        ...s.instance_select,
        [type]: event.target.value,
      },
    }));
  }

  handleInstanceEnterPress(
    key: InstanceKey,
    event: InfernoKeyboardEvent<HTMLInputElement>
  ) {
    if (event.code.toLowerCase() === "enter") {
      event.preventDefault();

      this.handleAddInstance(key);
    }
  }

  handleSaveSiteSubmit(i: SiteForm, event: any) {
    event.preventDefault();
    const auth = myAuthRequired();
    i.setState(s => ((s.siteForm.auth = auth), s));
    i.setState({ submitted: true });

    const stateSiteForm = i.state.siteForm;

    let form: EditSite | CreateSite;

    if (i.props.siteRes.site_view.local_site.site_setup) {
      form = stateSiteForm;
    } else {
      form = {
        name: stateSiteForm.name ?? "My site",
        sidebar: stateSiteForm.sidebar,
        description: stateSiteForm.description,
        icon: stateSiteForm.icon,
        banner: stateSiteForm.banner,
        community_creation_admin_only:
          stateSiteForm.community_creation_admin_only,
        enable_nsfw: stateSiteForm.enable_nsfw,
        enable_downvotes: stateSiteForm.enable_downvotes,
        application_question: stateSiteForm.application_question,
        registration_mode: stateSiteForm.registration_mode,
        require_email_verification: stateSiteForm.require_email_verification,
        private_instance: stateSiteForm.private_instance,
        default_theme: stateSiteForm.default_theme,
        default_post_listing_type: stateSiteForm.default_post_listing_type,
        application_email_admins: stateSiteForm.application_email_admins,
        hide_modlog_mod_names: stateSiteForm.hide_modlog_mod_names,
        legal_information: stateSiteForm.legal_information,
        slur_filter_regex: stateSiteForm.slur_filter_regex,
        actor_name_max_length: stateSiteForm.actor_name_max_length,
        rate_limit_message: stateSiteForm.rate_limit_message,
        rate_limit_message_per_second:
          stateSiteForm.rate_limit_message_per_second,
        rate_limit_comment: stateSiteForm.rate_limit_comment,
        rate_limit_comment_per_second:
          stateSiteForm.rate_limit_comment_per_second,
        rate_limit_image: stateSiteForm.rate_limit_image,
        rate_limit_image_per_second: stateSiteForm.rate_limit_image_per_second,
        rate_limit_post: stateSiteForm.rate_limit_post,
        rate_limit_post_per_second: stateSiteForm.rate_limit_post_per_second,
        rate_limit_register: stateSiteForm.rate_limit_register,
        rate_limit_register_per_second:
          stateSiteForm.rate_limit_register_per_second,
        rate_limit_search: stateSiteForm.rate_limit_search,
        rate_limit_search_per_second:
          stateSiteForm.rate_limit_search_per_second,
        federation_enabled: stateSiteForm.federation_enabled,
        federation_debug: stateSiteForm.federation_debug,
        captcha_enabled: stateSiteForm.captcha_enabled,
        captcha_difficulty: stateSiteForm.captcha_difficulty,
        allowed_instances: stateSiteForm.allowed_instances,
        blocked_instances: stateSiteForm.blocked_instances,
        discussion_languages: stateSiteForm.discussion_languages,
        auth,
      };
    }

    i.props.onSaveSite(form);
  }

  handleAddInstance(key: InstanceKey) {
    const instance = this.state.instance_select[key].trim();

    if (!validInstanceTLD(instance)) {
      return;
    }

    if (!this.state.siteForm[key]?.includes(instance)) {
      this.setState(s => ({
        ...s,
        siteForm: {
          ...s.siteForm,
          [key]: [...(s.siteForm[key] ?? []), instance],
        },
        instance_select: {
          ...s.instance_select,
          [key]: "",
        },
      }));

      const oppositeKey: InstanceKey =
        key === "allowed_instances" ? "blocked_instances" : "allowed_instances";
      if (this.state.siteForm[oppositeKey]?.includes(instance)) {
        this.handleRemoveInstance({ key: oppositeKey, instance });
      }
    }
  }

  handleRemoveInstance({
    key,
    instance,
  }: {
    key: InstanceKey;
    instance: string;
  }) {
    this.setState(s => ({
      ...s,
      siteForm: {
        ...s.siteForm,
        [key]: s.siteForm[key]?.filter(i => i !== instance),
      },
    }));
  }

  handleSiteNameChange(i: SiteForm, event: any) {
    i.state.siteForm.name = event.target.value;
    i.setState(i.state);
  }

  handleSiteSidebarChange(val: string) {
    this.setState(s => ((s.siteForm.sidebar = val), s));
  }

  handleSiteLegalInfoChange(val: string) {
    this.setState(s => ((s.siteForm.legal_information = val), s));
  }

  handleTaglineChange(i: SiteForm, index: number, val: string) {
    const taglines = i.state.siteForm.taglines;
    if (taglines) {
      taglines[index] = val;
      i.setState(i.state);
    }
  }

  handleDeleteTaglineClick(
    i: SiteForm,
    index: number,
    event: InfernoMouseEvent<HTMLButtonElement>
  ) {
    event.preventDefault();
    const taglines = i.state.siteForm.taglines;
    if (taglines) {
      taglines.splice(index, 1);
      i.state.siteForm.taglines = undefined;
      i.setState(i.state);
      i.state.siteForm.taglines = taglines;
      i.setState(i.state);
    }
  }

  handleAddTaglineClick(
    i: SiteForm,
    event: InfernoMouseEvent<HTMLButtonElement>
  ) {
    event.preventDefault();
    if (!i.state.siteForm.taglines) {
      i.state.siteForm.taglines = [];
    }
    i.state.siteForm.taglines.push("");
    i.setState(i.state);
  }

  handleSiteApplicationQuestionChange(val: string) {
    this.setState(s => ((s.siteForm.application_question = val), s));
  }

  handleSiteDescChange(i: SiteForm, event: any) {
    i.state.siteForm.description = event.target.value;
    i.setState(i.state);
  }

  handleSiteEnableNsfwChange(i: SiteForm, event: any) {
    i.state.siteForm.enable_nsfw = event.target.checked;
    i.setState(i.state);
  }

  handleSiteRegistrationModeChange(i: SiteForm, event: any) {
    i.state.siteForm.registration_mode = event.target.value;
    i.setState(i.state);
  }

  handleSiteCommunityCreationAdminOnly(i: SiteForm, event: any) {
    i.state.siteForm.community_creation_admin_only = event.target.checked;
    i.setState(i.state);
  }

  handleSiteEnableDownvotesChange(i: SiteForm, event: any) {
    i.state.siteForm.enable_downvotes = event.target.checked;
    i.setState(i.state);
  }

  handleSiteRequireEmailVerification(i: SiteForm, event: any) {
    i.state.siteForm.require_email_verification = event.target.checked;
    i.setState(i.state);
  }

  handleSiteApplicationEmailAdmins(i: SiteForm, event: any) {
    i.state.siteForm.application_email_admins = event.target.checked;
    i.setState(i.state);
  }

  handleSiteReportsEmailAdmins(i: SiteForm, event: any) {
    i.state.siteForm.reports_email_admins = event.target.checked;
    i.setState(i.state);
  }

  handleSitePrivateInstance(i: SiteForm, event: any) {
    i.state.siteForm.private_instance = event.target.checked;
    i.setState(i.state);
  }

  handleSiteHideModlogModNames(i: SiteForm, event: any) {
    i.state.siteForm.hide_modlog_mod_names = event.target.checked;
    i.setState(i.state);
  }

  handleSiteDefaultTheme(i: SiteForm, event: any) {
    i.state.siteForm.default_theme = event.target.value;
    i.setState(i.state);
  }

  handleIconUpload(url: string) {
    this.setState(s => ((s.siteForm.icon = url), s));
  }

  handleIconRemove() {
    this.setState(s => ((s.siteForm.icon = ""), s));
  }

  handleBannerUpload(url: string) {
    this.setState(s => ((s.siteForm.banner = url), s));
  }

  handleBannerRemove() {
    this.setState(s => ((s.siteForm.banner = ""), s));
  }

  handleSiteSlurFilterRegex(i: SiteForm, event: any) {
    i.setState(s => ((s.siteForm.slur_filter_regex = event.target.value), s));
  }

  handleSiteActorNameMaxLength(i: SiteForm, event: any) {
    i.setState(
      s => ((s.siteForm.actor_name_max_length = Number(event.target.value)), s)
    );
  }

  handleSiteFederationEnabled(i: SiteForm, event: any) {
    i.state.siteForm.federation_enabled = event.target.checked;
    i.setState(i.state);
  }

  handleSiteFederationDebug(i: SiteForm, event: any) {
    i.state.siteForm.federation_debug = event.target.checked;
    i.setState(i.state);
  }

  handleSiteCaptchaEnabled(i: SiteForm, event: any) {
    i.state.siteForm.captcha_enabled = event.target.checked;
    i.setState(i.state);
  }

  handleSiteCaptchaDifficulty(i: SiteForm, event: any) {
    i.setState(s => ((s.siteForm.captcha_difficulty = event.target.value), s));
  }

  handleDiscussionLanguageChange(val: number[]) {
    this.setState(s => ((s.siteForm.discussion_languages = val), s));
  }

  handleDefaultPostListingTypeChange(val: ListingType) {
    this.setState(s => ((s.siteForm.default_post_listing_type = val), s));
  }
}