import { CoreApi, Group } from "authentik-api";
import { t } from "@lingui/macro";
import { customElement, property } from "lit-element";
import { html, TemplateResult } from "lit-html";
import { DEFAULT_CONFIG } from "../../api/Config";
import { Form } from "../../elements/forms/Form";
import { until } from "lit-html/directives/until";
import { ifDefined } from "lit-html/directives/if-defined";
import "../../elements/forms/HorizontalFormElement";
import "../../elements/CodeMirror";
import YAML from "yaml";

@customElement("ak-group-form")
export class GroupForm extends Form<Group> {

    @property({attribute: false})
    group?: Group;

    getSuccessMessage(): string {
        if (this.group) {
            return t`Successfully updated group.`;
        } else {
            return t`Successfully created group.`;
        }
    }

    send = (data: Group): Promise<Group> => {
        if (this.group) {
            return new CoreApi(DEFAULT_CONFIG).coreGroupsUpdate({
                groupUuid: this.group.pk || "",
                data: data
            });
        } else {
            return new CoreApi(DEFAULT_CONFIG).coreGroupsCreate({
                data: data
            });
        }
    };

    renderForm(): TemplateResult {
        return html`<form class="pf-c-form pf-m-horizontal">
            <ak-form-element-horizontal
                label=${t`Name`}
                ?required=${true}
                name="name">
                <input type="text" value="${ifDefined(this.group?.name)}" class="pf-c-form-control" required>
            </ak-form-element-horizontal>
            <ak-form-element-horizontal name="isSuperuser">
                <div class="pf-c-check">
                    <input type="checkbox" class="pf-c-check__input" ?checked=${this.group?.isSuperuser || false}>
                    <label class="pf-c-check__label">
                        ${t`Is superuser`}
                    </label>
                </div>
                <p class="pf-c-form__helper-text">${t`Users added to this group will be superusers.`}</p>
            </ak-form-element-horizontal>
            <ak-form-element-horizontal
                label=${t`Parent`}
                ?required=${true}
                name="parent">
                <select class="pf-c-form-control">
                    <option value="" ?selected=${this.group?.parent === undefined}>---------</option>
                    ${until(new CoreApi(DEFAULT_CONFIG).coreGroupsList({}).then(groups => {
                        return groups.results.map(group => {
                            return html`<option value=${ifDefined(group.pk)} ?selected=${this.group?.parent === group.pk}>${group.name}</option>`;
                        });
                    }), html``)}
                </select>
            </ak-form-element-horizontal>
            <ak-form-element-horizontal
                label=${t`Members`}
                ?required=${true}
                name="users">
                <select class="pf-c-form-control" multiple>
                    ${until(new CoreApi(DEFAULT_CONFIG).coreUsersList({
                        ordering: "username",
                    }).then(users => {
                        return users.results.map(user => {
                            const selected = Array.from(this.group?.users || []).some(su => {
                                return su == user.pk;
                            });
                            return html`<option value=${ifDefined(user.pk)} ?selected=${selected}>${user.username} (${user.name})</option>`;
                        });
                    }))}
                </select>
                <p class="pf-c-form__helper-text">${t`Hold control/command to select multiple items.`}</p>
            </ak-form-element-horizontal>
            <ak-form-element-horizontal
                label=${t`Attributes`}
                name="attributes">
                <ak-codemirror mode="yaml" value="${YAML.stringify(this.group?.attributes)}">
                </ak-codemirror>
            </ak-form-element-horizontal>
        </form>`;
    }

}