// @ts-nocheck
import type { ComputedRef } from './type';
import type { CheckboxStatus } from '../l-checkbox/type';
// #ifndef UNI-APP-X
import { computed } from '@/uni_modules/lime-shared/vue';
// #endif

function intersection<T>(...arrays : T[][]): T[] {
	// 创建一个空数组来存储相交元素
	const result : T[] = [];
	
	for (let i = 0; i < arrays[0].length; i++) {
		const item = arrays[0][i]
		// 检查该元素是否存在于所有其他数组中
		let isCommon = true;
		for (let j = 1; j < arrays.length; j++) {
			if (!arrays[j].includes(item)) {
				isCommon = false;
				break;
			}
		}
		// 如果该元素存在于所有数组中，并且尚未添加到结果数组中，则将其添加到结果数组中
		if (isCommon && !result.includes(item)) {
			result.push(item);
		}
	}
	// 返回包含相交元素的结果数组
	return result;
}

// @ts-ignore
export function setCheckAllStatus(
	children: LCheckboxComponentPublicInstance[],
	innerValue: ComputedRef<any[]>,
	checkedSet: ComputedRef<Set<any>>
	): ComputedRef<CheckboxStatus> {
	
	const intersectionLen = computed(()=>{
		const values:any[] = []
		children.forEach(item => {
			const value = item.value ?? item.name;
			if(value == null) return
			values.push(value)
		})
		if (Array.isArray(innerValue.value)) {
			return intersection(innerValue.value, values).length;
		}
		return 0
	})
	const isAllChecked = computed((): boolean=>{
		if (checkedSet.value.size != children.length - 1) {
			return false;
		}
		return intersectionLen.value == children.length - 1;
	})
	const isIndeterminate = computed((): boolean=>{
		return !isAllChecked.value && intersectionLen.value < children.length && intersectionLen.value > 0;
	})
	return computed(():CheckboxStatus => {
		if (isAllChecked.value) return 'checked';
		if (isIndeterminate.value) return 'indeterminate';
		return 'uncheck';
	});
}