/**
 * 操作日志（backend_log）
 *
 * 权限按钮用完整权限名，表格渲染后由 auth.filterDom() 移除无权限按钮。
 */
layui.define(['table', 'layer', 'form', 'laydate', 'auth', 'http', 'jquery'], function (exports) {
    var table   = layui.table,
        layer   = layui.layer,
        form    = layui.form,
        laydate = layui.laydate,
        auth    = layui.auth,
        http    = layui.http,
        $       = layui.jquery;

    // 注意：http 的 baseURL 为空，URL 由浏览器按「当前页面所在目录」解析，
    // 核心后台页面的目录就是 /admin/<controller>/，所以这里只写动作名（纯相对），
    // 写成 'adminlog/index' 会被解析成 /admin/adminlog/adminlog/index（404）。
    var FUNC = {
        index:  'index',
        delete: 'delete',
        clean:  'clean'
    };

    function parse(res) {
        return {
            code:  res.code,
            msg:   res.message,
            count: res.count || 0,
            data:  res.data || []
        };
    }

    function post(url, data, done) {
        var loading = layer.load(2);
        http.post(url, data).then(function (res) {
            layer.close(loading);
            if (res && res.code === 0) {
                layer.msg(res.message || '操作成功', {icon: 1});
                if (done) { done(res.data); }
            } else {
                layer.msg((res && res.message) || '操作失败', {icon: 2});
            }
        }).catch(function (err) {
            layer.close(loading);
            layer.msg('请求失败：' + (err && err.message ? err.message : '网络异常'), {icon: 2});
        });
    }

    function checkedIds() {
        var rows = table.checkStatus('dataTable').data || [];
        var ids = [];
        for (var i = 0; i < rows.length; i++) { ids.push(rows[i].id); }
        return ids;
    }

    var obj = {
        render: function () {
            table.render({
                elem: '#dataTable',
                url: FUNC.index,
                where: {},
                toolbar: '#tableBar',
                defaultToolbar: ['filter'],
                method: 'get',
                cols: [[
                    {type: 'checkbox', width: 50},
                    {field: 'id', title: 'ID', width: 80, sort: true},
                    {field: 'operator', title: '操作人', width: 130},
                    {field: 'action', title: '动作', width: 150},
                    {field: 'ip', title: 'IP', width: 130},
                    {field: 'remark', title: '备注', minWidth: 240},
                    {field: 'create_at_text', title: '时间', width: 170, sort: true},
                    {title: '操作', width: 90, toolbar: '#dataBar', fixed: 'right'}
                ]],
                page: true,
                limit: 20,
                limits: [20, 50, 100, 200],
                response: {statusCode: 0},
                parseData: parse,
                done: function () {
                    auth.filterDom($('#dataTable').next('.layui-table-view'));
                    auth.filterDom('.layui-btn[data-perm]');
                }
            });
        },

        events: function () {
            laydate.render({elem: '#start', type: 'date'});
            laydate.render({elem: '#end', type: 'date'});

            table.on('toolbar(dataTable)', function (o) {
                if (o.event === 'deleteSelected') {
                    var ids = checkedIds();
                    if (ids.length === 0) {
                        return layer.msg('请先勾选要删除的日志', {icon: 2});
                    }
                    layer.confirm('确定删除选中的 ' + ids.length + ' 条日志？', {title: '提示'}, function (index) {
                        layer.close(index);
                        post(FUNC.delete, {ids: ids}, function () {
                            table.reload('dataTable');
                        });
                    });
                } else if (o.event === 'clean') {
                    layer.prompt({
                        title: '保留最近多少天的日志？',
                        value: 30,
                        formType: 0
                    }, function (days, index) {
                        days = parseInt(days, 10);
                        if (isNaN(days) || days < 0 || days > 3650) {
                            return layer.msg('请输入 0 ~ 3650 之间的天数（0=清空）', {icon: 2});
                        }
                        layer.close(index);
                        layer.confirm(
                            days > 0 ? ('确定清理 ' + days + ' 天前的日志？') : '确定清空全部日志？此操作不可恢复',
                            {title: '危险操作'},
                            function (idx) {
                                layer.close(idx);
                                post(FUNC.clean, {days: days}, function () {
                                    table.reload('dataTable');
                                });
                            }
                        );
                    });
                }
            });

            table.on('tool(dataTable)', function (o) {
                if (o.event === 'delete') {
                    layer.confirm('确定删除该条日志？', {title: '提示'}, function (index) {
                        layer.close(index);
                        post(FUNC.delete, {ids: [o.data.id]}, function () {
                            table.reload('dataTable');
                        });
                    });
                }
            });

            form.on('submit(data-search-btn)', function (o) {
                table.reload('dataTable', {
                    where: {
                        keyword: o.field.keyword,
                        action:  o.field.action,
                        start:   o.field.start,
                        end:     o.field.end
                    },
                    page: {curr: 1}
                });
                return false;
            });
            $('#btn-reset').on('click', function () {
                setTimeout(function () {
                    table.reload('dataTable', {
                        where: {keyword: '', action: '', start: '', end: ''},
                        page: {curr: 1}
                    });
                }, 10);
            });
        }
    };

    obj.render();
    obj.events();

    exports('adminlog', obj);
});