import { Pagination } from '@/types'
import { ElMessage } from 'element-plus'
import useClipboard from 'vue-clipboard3'
import moment from 'moment'

const { toClipboard } = useClipboard();
/**
 * 日期转化为字符串
 * @param date  Date 日期
 * @param formatter  String 转换的格式
 * @returns String 
 */
export const date2StrUtil = (date: Date, formatter = 'YYYY-MM-DD HH:mm:ss') => {
    return moment(date).format(formatter)
}
/**
 * 删除分页数据的时候，计算分页请求的current的值
 * @param current 当前页
 * @param dataSourceLength  数据源的长度 
 * @param deleteNum 删除数量
 * @returns 新的当前页
 */
export const getPageCurrentUtil = (current: Pagination['current'], dataSourceLength: number, deleteNum = 1): Pagination['current'] => {
    if (current === 1 || dataSourceLength > deleteNum) return current
    return current - 1
}

type Source = Record<string, any>
/**
 * 对象转化为数组
 * @param obj 源对象  {ad: "dasd"}
 * @param k 数组每项的key值
 * @param v 数组每项的value值
 * @return [{key: '', value: ''}]
 */
export const obj2ArrUtil = <T extends Source>(obj: T | undefined, k = 'key', v = 'value') => {
    if (!obj) return [{ [k]: '', [v]: '' }]
    return Object.keys(obj).map(key => ({
        [k]: key,
        [v]: obj[key]
    }))
}

type Sources = Record<string, any>[]
/**
 * 对象转化为数组
 * @param arr 源对象  [{key: '', value: ''}]
 * @param k 数组每项的key值
 * @param v 数组每项的value值
 * @return {[key]: value}
 */
export const arr2ObjUtil = <T extends Sources>(arr: T | undefined, k = 'key', v = 'value') => {
    if (!arr) return undefined
    return arr.reduce((total, obj) => {
        return {
            ...total,
            [obj[k]]: obj[v]
        }
    }, {})
}
/**
 * 关闭定时器
 * @param timerId 定时器id
 */
export const clearTimerUtil = (timerId: NodeJS.Timer | undefined) => {
    timerId && clearInterval(timerId);
}

/**
 * 点击复制文本
 * @param text 
 * @returns 
 */
export const copyTextUtil = (text: string) => {
    return new Promise((resolve, reject) => {
        try {
            //复制
            toClipboard(text);
            //下面可以设置复制成功的提示框等操作
            ElMessage.success('复制成功');
            resolve(text);
        } catch (e) {
            //复制失败
            ElMessage.error('复制失败');
            reject(e);
        }
    });
};