export function showLoading() {
    $(".loadingGif").css('top', window.innerHeight / 2);
    $(".loadingGif").css('left', window.innerWidth / 2);
    $(".loading").css('z-index', 3000);
    $(".loading").modal('show');
}

export function hideLoading() {
    $(".loading").modal('hide');
}

export function formatTime(val) {
    var date;
    if (val) {
        // 兼容Safari
        var userAgent = navigator.userAgent;
        if (userAgent.indexOf('Version') > -1) {
            date = new Date(val.split('+')[0]);
        } else {
            date = new Date(val);
        }
        return date.format('yyyy-MM-dd hh:mm:ss');
    } else {
        return '';
    }
}

export function cleanArray(actual) {
    const newArray = []
    for (let i = 0; i < actual.length; i++) {
        if (actual[i]) {
            newArray.push(actual[i])
        }
    }
    return newArray
}

export function serverError(req) {
    $("#tipMsg").text(req.responseJSON.message);
    $("#tipModal").modal('show');
}

export function apiResult(json) {
    if (json.code == 200 && json.message == 'success') {
        return true;
    }
    $("#tipMsg").text("请求失败，错误信息：" + json.message);
    $("#tipModal").modal('show');
    return false;
}

export function genQueryParam(json) {
    if (!json) return ''
    return cleanArray(Object.keys(json).map(key => {
        if (json[key] === undefined) return ''
        return encodeURIComponent(key) + '=' +
            encodeURIComponent(json[key])
    })).join('&');
}