async function request($url, $data, $method = 'POST') {
    return await new Promise((resolve, reject) => {
        $.ajax({
            type: $method,
            url: $url,
            data: $data,
            success: (res) => {
                // if(res.code === 1012) {
                //     window.location = 'http://localhost:8001/admin/login'
                // }
                resolve(res)
            },
            error: (err) => {
                reject(err.message)
            }
        })
    })
}

// 搜索开关
function select_card_switch() {
    const element = $('#select_card_caviar')
    if(element.css('display') === 'none') {
        element.css('display','block');
        $("#caviar_search_btn").val("关闭搜索")
    } else {
        element.css('display','none');
        $("#caviar_search_btn").val("展开搜索")
    }
}

function check_params(p = []) {
    const index = p.findIndex(v => v !== undefined && v.toString().length > 0);
    return index >= 0;
}

function checkbox() {
    const isSelect = $("#check-all").is(":checked")
    isSelect ? $("input[class='checkbox_caviar']").each(function(i,n){
        n.checked = true;
    }) : $("input[class='checkbox_caviar']").each(function(i,n){
        n.checked = false;
    })
}

async function caviar_checkbox_delete(url,
                                      hints = ['Check at least one box', 'Succeed'],
                                      title= 'Warn',
                                      content= 'Are you sure you want to delete the selected data?',
                                      btn = ['Confirm'],
                                      ids_data = undefined
                                      ) {
    const ids = $('.checkbox_caviar:checkbox:checked').map((index,el) => {
        return $(el).val();
    }).get();
    if(ids.length === 0 && ids_data === undefined) {
        layer.msg(hints[0],{icon: 5})
        return false;
    }

    layer.open({
        title,
        content,
        btn,
        yes: async (index, layero) => {
            const response = await request(url, {ids: ids_data ? ids_data.join(',') : ids.join(',')});
            response.code === 200 ? layer.msg(hints[1], {icon: 1,time:500},() => {
                location.reload();
            }) : layer.msg(res.message,{icon: 5})
            layer.close(index);
        }

    });

}

function deletingASingle(url,
                         id,
                         hints = ['Succeed'],
                         title= 'Warn',
                         content= 'Are you sure you want to delete the selected data?',
                         btn = ['Confirm']) {
    layer.open({
        title: title,
        content: content,
        btn: btn,
        yes: async (index, layero) => {
            const response = await request(url, { ids: id.toString()} );
            response.code === 200 ? layer.msg(hints[0], {icon: 1,time:500},() => {
                location.reload();
            }) : layer.msg(res.message,{icon: 5})
            layer.close(index);
        }

    });
}

function add(url = '', title = "Info", area = ['60%', '80%']) {
    layui.use('layer', function(){
        var layer = layui.layer;
        layer.open({
            title: title,

            type: 2,
            content:url,
            area: area,
        });
    });
}

function view(url = '', title = "Info", area = ['80%', '80%']) {
    layui.use('layer', function(){
        var layer = layui.layer;
        layer.open({
            title: title,
            type: 2,
            content:url,
            area: area,
        });
    });
}

function image_magnify() {
    let jishu=0;
    $(document).on('click', '.small-img', function(data){
        var ImgUrl=$(this).attr('src');
        if(jishu===0) {
            jishu=1;
            layer.open({
                type:1
                ,title:false
                ,closeBtn:0
                ,skin:'layui-layer-nobg'
                ,shadeClose:true
                ,content:'<img style="width:100%;height:100%;" class="layui-upload-img" src="'+ ImgUrl+'"/>'
                ,scrollbar:false
            })
        }else{
            jishu=0;
            layer.closeAll();
        }
    })
}

function deepTraversal(tree = []){
    let nodes = [];
    const queues = tree.map(v => v);
    while (queues.length > 0) {
        const queue = queues.pop();
        if (queue.children !== undefined && queue.children.length > 0) {
            queue.children.forEach(child => {
                queues.push(child)
            })
        }
        nodes.push({
            id: queue.id,
            title: queue.title,
            field: queue.field,
            checked: true,
        })
    }
    return nodes;
}