const formatTime = (date, type) => {
    const year = date.getFullYear();
    const month = date.getMonth() + 1;
    const day = date.getDate();
    const hour = date.getHours();
    const minute = date.getMinutes();
    const second = date.getSeconds();

    if (type == 1) {
        // 返回年月日
        return `${[year, month, day].map(formatNumber).join('-')}`;
    } else {
        // 返回年月日时分秒
        return `${[year, month, day].map(formatNumber).join('/')} ${[hour, minute, second].map(formatNumber).join(':')}`;
    }
};

const formatNumber = (n) => {
    n = n.toString();
    return n[1] ? n : `0${n}`;
}; // 相差的天数

const computeDays = (createTimestamp, currentTimestmap) => {
    let subTime = currentTimestmap - createTimestamp; // 毫秒级(注意传的参数是否为毫秒级)
    // 相差的天数

    let days = Math.floor(subTime / (24 * 3600 * 1000));
    return days;
}; // 倒计时

const daojishi = function (val1, mins) {
    // 开始时间 + 过期时间 = 最后的时间
    // 最后的时间- 动态的当前时间 = 倒计时
    let that = this;
    let now = new Date(val1.replace(/-/g, '/')); //处理开始时间

    let minutes = Number(mins); // mins 分钟数

    let end = now.setMinutes(now.getMinutes() + minutes); // 计算最后时间  (调整过的日期的毫秒表示)

    let time_now = new Date().getTime(); //当前时间

    let msec = end - time_now; // 最后时间-当前时间

    if (msec > 0) {
        let day = parseInt(msec / 1000 / 60 / 60 / 24);
        let hr = parseInt((msec / 1000 / 60 / 60) % 24);
        let min = parseInt((msec / 1000 / 60) % 60);
        let sec = parseInt((msec / 1000) % 60);
        day = day;
        hr = hr > 9 ? hr : '0' + hr;
        min = min > 9 ? min : '0' + min;
        sec = sec > 9 ? sec : '0' + sec;
        return {
            timeStr: min + '分' + sec + '秒',
            isend: false
        };
    } else {
        return {
            timeStr: '',
            isend: true
        };
    }
};

module.exports = {
    formatTime,
    computeDays,
    daojishi
};