/*
 * Copyright (C) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {BaseElement, element} from "../BaseElement.js";
import {LitRadioBox} from "./LitRadioBox.js";

@element("lit-radio-group")
export class LitRadioGroup extends BaseElement {
    static get observedAttributes() {
        return ["direction"]
    }

    set layout(vale: string) {
        this.setAttribute("layout", vale)
    }

    get direction() {
        return this.getAttribute("direction")
    }

    get value(): Array<string> {
        const radio = this.querySelector('lit-radio[checked]') as LitRadioBox;
        return radio ? [radio.value] : [];
    }

    initElements(): void {
    }

    //方向
    initHtml(): string {
        return `
        <style>   
        :host {
            display: -webkit-flex; 
            display: flex;
            flex-direction: column;
        }
        :host([direction]) {
            flex-direction: ${this.direction};
        }
        :host(:not([direction])) {
            flex-direction: column;
        }
        
        :host([layout="compact"]) {
            gap:5px;
        }
        :host([layout="dispersion"]) {
           gap:10px;
        }
        </style>
        <slot class="radio-group"></slot>`;
    }
}