import { getChildCompsByName } from "../../src/utils";
import { COMPS_NAME, EMIT_EVENTS } from "./util/constant";

export default {
    name: COMPS_NAME.VE_CHECKBOX_GROUP,
    props: {
        value: {
            type: Array,
            default() {
                return [];
            },
        },
        // 是否垂直排列显示（当时checkbox组时生效）
        isVerticalShow: {
            type: Boolean,
            default: false,
        },
    },

    watch: {
        // 更新子组件选中状态
        value(newVal) {
            let children = getChildCompsByName(this, COMPS_NAME.VE_CHECKBOX);

            if (children.length > 0) {
                children.forEach((child) => {
                    child.updateModelByGroup(newVal);
                });
            }
        },
    },

    methods: {
        updateModel(label, checkedVal) {
            let index = this.value.indexOf(label);
            if (index > -1) {
                if (!checkedVal) {
                    this.value.splice(index, 1);
                }
            } else {
                if (checkedVal) {
                    this.value.push(label);
                }
            }

            this.$emit("input", this.value);
            this.$emit(EMIT_EVENTS.ON_CHECKED_CHANGE, this.value);
        },
    },
    render() {
        return <div class="ve-checkbox-group">{this.$slots.default}</div>;
    },
};