import "@goauthentik/admin/groups/MemberSelectModal";
import { DEFAULT_CONFIG } from "@goauthentik/common/api/config";
import { first } from "@goauthentik/common/utils";
import "@goauthentik/elements/CodeMirror";
import { CodeMirrorMode } from "@goauthentik/elements/CodeMirror";
import "@goauthentik/elements/chips/Chip";
import "@goauthentik/elements/chips/ChipGroup";
import "@goauthentik/elements/forms/HorizontalFormElement";
import { ModelForm } from "@goauthentik/elements/forms/ModelForm";
import "@goauthentik/elements/forms/SearchSelect";
import YAML from "yaml";

import { msg } from "@lit/localize";
import { CSSResult, TemplateResult, css, html } from "lit";
import { customElement, state } from "lit/decorators.js";
import { ifDefined } from "lit/directives/if-defined.js";

import {
    CoreApi,
    CoreGroupsListRequest,
    Group,
    PaginatedRoleList,
    RbacApi,
} from "@goauthentik/api";

@customElement("ak-group-form")
export class GroupForm extends ModelForm<Group, string> {
    @state()
    roles?: PaginatedRoleList;

    static get styles(): CSSResult[] {
        return super.styles.concat(css`
            .pf-c-button.pf-m-control {
                height: 100%;
            }
            .pf-c-form-control {
                height: auto !important;
            }
        `);
    }

    loadInstance(pk: string): Promise<Group> {
        return new CoreApi(DEFAULT_CONFIG).coreGroupsRetrieve({
            groupUuid: pk,
        });
    }

    getSuccessMessage(): string {
        if (this.instance) {
            return msg("Successfully updated group.");
        } else {
            return msg("Successfully created group.");
        }
    }

    async load(): Promise<void> {
        this.roles = await new RbacApi(DEFAULT_CONFIG).rbacRolesList({
            ordering: "name",
        });
    }

    async send(data: Group): Promise<Group> {
        if (this.instance?.pk) {
            return new CoreApi(DEFAULT_CONFIG).coreGroupsPartialUpdate({
                groupUuid: this.instance.pk,
                patchedGroupRequest: data,
            });
        } else {
            data.users = [];
            return new CoreApi(DEFAULT_CONFIG).coreGroupsCreate({
                groupRequest: data,
            });
        }
    }

    renderForm(): TemplateResult {
        return html` <ak-form-element-horizontal label=${msg("Name")} ?required=${true} name="name">
                <input
                    type="text"
                    value="${ifDefined(this.instance?.name)}"
                    class="pf-c-form-control"
                    required
                />
            </ak-form-element-horizontal>
            <ak-form-element-horizontal name="isSuperuser">
                <label class="pf-c-switch">
                    <input
                        class="pf-c-switch__input"
                        type="checkbox"
                        ?checked=${first(this.instance?.isSuperuser, false)}
                    />
                    <span class="pf-c-switch__toggle">
                        <span class="pf-c-switch__toggle-icon">
                            <i class="fas fa-check" aria-hidden="true"></i>
                        </span>
                    </span>
                    <span class="pf-c-switch__label">${msg("Is superuser")}</span>
                </label>
                <p class="pf-c-form__helper-text">
                    ${msg("Users added to this group will be superusers.")}
                </p>
            </ak-form-element-horizontal>
            <ak-form-element-horizontal label=${msg("Parent")} name="parent">
                <ak-search-select
                    .fetchObjects=${async (query?: string): Promise<Group[]> => {
                        const args: CoreGroupsListRequest = {
                            ordering: "name",
                        };
                        if (query !== undefined) {
                            args.search = query;
                        }
                        const groups = await new CoreApi(DEFAULT_CONFIG).coreGroupsList(args);
                        if (this.instance) {
                            return groups.results.filter((g) => g.pk !== this.instance?.pk);
                        }
                        return groups.results;
                    }}
                    .renderElement=${(group: Group): string => {
                        return group.name;
                    }}
                    .value=${(group: Group | undefined): string | undefined => {
                        return group?.pk;
                    }}
                    .selected=${(group: Group): boolean => {
                        return group.pk === this.instance?.parent;
                    }}
                    ?blankable=${true}
                >
                </ak-search-select>
            </ak-form-element-horizontal>
            <ak-form-element-horizontal label=${msg("Roles")} name="roles">
                <select class="pf-c-form-control" multiple>
                    ${this.roles?.results.map((role) => {
                        const selected = Array.from(this.instance?.roles || []).some((sp) => {
                            return sp == role.pk;
                        });
                        return html`<option value=${role.pk} ?selected=${selected}>
                            ${role.name}
                        </option>`;
                    })}
                </select>
                <p class="pf-c-form__helper-text">
                    ${msg(
                        "Select roles to grant this groups' users' permissions from the selected roles.",
                    )}
                </p>
                <p class="pf-c-form__helper-text">
                    ${msg("Hold control/command to select multiple items.")}
                </p>
            </ak-form-element-horizontal>
            <ak-form-element-horizontal
                label=${msg("Attributes")}
                ?required=${true}
                name="attributes"
            >
                <ak-codemirror
                    mode=${CodeMirrorMode.YAML}
                    value="${YAML.stringify(first(this.instance?.attributes, {}))}"
                >
                </ak-codemirror>
                <p class="pf-c-form__helper-text">
                    ${msg("Set custom attributes using YAML or JSON.")}
                </p>
            </ak-form-element-horizontal>`;
    }
}