(function () {
    // 组件模板懒加载：首次 render 时才异步请求，同页多实例共享一次请求；
    // 路径与版本跟随页面注入的 CONFIG.STATIC / CONFIG.STATIC_VERSION，
    // 与 _require.html 中 js/css 的缓存键保持一致；失败不缓存，下次 render 重试。
    // 样式 tableData.css 已改为在 _require.html 中直接引入，不再由 JS 注入。
    var tableDataTemplatePromise = null;

    function loadTableDataTemplate() {
        if (tableDataTemplatePromise !== null) {
            return tableDataTemplatePromise;
        }

        var config = window.CONFIG || {};
        var staticRoot = config.STATIC || '/static';
        var version = config.STATIC_VERSION || config.VERSION || '';
        var url = staticRoot + '/plugs/lay-module/tableData/tableData.html?t=' + version;
        var deferred = $.Deferred();

        $.ajax({
            type: 'get',
            url: url,
            cache: true,
            dataType: 'text'
        }).done(function (template) {
            if ($.trim(template)) {
                deferred.resolve(template);
            } else {
                deferred.reject('模板内容为空');
            }
        }).fail(function (xhr) {
            deferred.reject(xhr);
        });

        tableDataTemplatePromise = deferred.promise();
        tableDataTemplatePromise.fail(function (reason) {
            console.error('tableData 模板加载失败: ' + url, reason);
            var ua = window.UA_ADMIN || window.ua;
            if (ua) {
                ua.msg.error('tableData 组件初始化失败');
            }
            // 失败不缓存，下次 render 自动重试
            tableDataTemplatePromise = null;
        });

        return tableDataTemplatePromise;
    }

    var tableData = function () { };

    tableData.prototype.render = function (elem, data) {
        var clienWidth, clientHeight;
            clienWidth = '100%';
            clientHeight = '100%';

        var defaultOption = {
            width: clienWidth,
            height: clientHeight,
            trim: 0,
            placeholder: '请选择',
            selectConfirmCallback: 'onTableDataConfirm',
            type: 'input',
            className: 'layui-input',
            style:''
        };

        var options = $.extend(defaultOption, data);
        options.style = $(elem).attr('style')
        var valueField = options.valueField;

        if (options.index.indexOf('?') > -1) {
            options.index += '&';
        } else {
            options.index += '?';
        }
        options.index += 'select_mode=' + options.selectType;

        if(!options.selectIndex){
            options.selectIndex = options.index;
        }else{
            if (options.selectIndex.indexOf('?') > -1) {
                options.selectIndex += '&';
            } else {
                options.selectIndex += '?';
            }
            options.selectIndex += 'select_mode=' + options.selectType;
        }

        if (options.type == 'textarea') {
            options.className = 'layui-textarea';
        }

        return loadTableDataTemplate().then(function (template) {
            return new Vue({
                el: elem,
                data() {
                    return {
                        setting: options,
                        listSelected: [],
                        value: ''
                    };
                },
                watch: {
                    listSelected(value) {

                        var valueList = value.map(itemValue => itemValue[valueField]);
                        var valueStr = valueList.join(',');
                        if (options.selectType == 'checkbox') {
                            if (options.trim == 0) {
                                valueStr = ',' + valueStr + ',';
                            }
                        }
                        this.value = valueStr;
                    }
                },
                computed: {
                    listSelectedShow() {
                        if (this.setting.fieldName.indexOf('|') < 0) {
                            return this.listSelected.map(
                                (item) => {
                                    item['_select_show'] = ua.dataGet(item, this.setting.fieldName);
                                    return item;
                                }
                            );
                        }

                        var fieldNameList = this.setting.fieldName.split('|');
                        return this.listSelected.map(item => {
                            var showText = '';
                            fieldNameList.forEach(fieldName => {
                                showText += ua.dataGet(item, fieldName) + ' ';
                            });
                            item['_select_show'] = showText;

                            return item;
                        });
                    },
                },
                created() {
                    this.value = options.selectValue;
                    if (typeof this.value != 'string') {
                        this.value = this.value.toString();
                    }
                    var valueLength = this.value.split(',').length;
                    loading.show();
                    $.get(options.index, {
                        page: 1,
                        limit: valueLength,
                        filter: JSON.stringify({ [options.valueField]: this.value }),
                        op: JSON.stringify({ [options.valueField]: 'in' }),
                        group: options.valueField
                    }, (result) => {
                        loading.hide();
                        this.listSelected = result.data;
                    });

                },
                mounted() {
                    if (options.required == 1) {
                        $(this.$refs['tableData']).closest('.layui-form-item').children('.layui-form-label').addClass('required');
                    }
                },
                template: template,

                methods: {
                    openSelectPage() {

                        if (options.readonly == 1) {
                            return false;
                        }

                        var selectedIds = this.listSelected.map(item => item.id);
                        var index = layer.open({
                            title: '选择数据',
                            type: 2,
                            area: [options.width, options.height],
                            content: options.selectIndex + '&selectedIds=' + selectedIds.join(','),
                            maxmin: true,
                            moveOut: true,
                            shadeClose: true,
                            success: (layero, index) => {
                                window[options.selectConfirmCallback] = (data) => {
                                    data.forEach(dataItem => {

                                        if (options.selectType == 'radio') {
                                            this.listSelected = [];
                                        }
                                        var itemFind = this.listSelected.find(itemSelect => itemSelect[valueField] == dataItem[valueField]);
                                        if (itemFind == undefined) {
                                            this.listSelected.push(dataItem);
                                        }
                                    });
                                    this.$forceUpdate();
                                    layer.close(index);
                                };
                            },
                            end: function () {
                                index = null;
                                window[options.selectConfirmCallback] = undefined;
                            }
                        });

                    },
                    removeItem(item, index) {
                        this.listSelected.splice(index, 1);
                    }
                }
            });
        });
    };

    window.tableData = new tableData();
})();