//前端筛选功能

//筛选手动触发
function changeFilterEvent (event, option, $panel)  {
    // 手动触发筛选
    $panel.changeOption(event, !!option.data, option)
}

// 筛选函数
const filterChanged = ({ option, row, column }) => {
    if (option.data) {

        if(column.field.indexOf('.')>-1){
            let  array = column.field.split('.')
            if (row[array[0]][array[1]]==null){
                return ''.indexOf(option.data) > -1
            }else {
                return row[array[0]][array[1]].toString().indexOf(option.data) > -1
            }

        }else {
            if (row[column.field]==null){
                return ''.indexOf(option.data) > -1
            }else {
                return row[column.field].toString().indexOf(option.data) > -1
            }

        }
    }
    return true
}

const filterChangeds = ({ option, row, column }) => {
    if (option.data) {
        // 将筛选关键词统一转为小写
        const searchStr = option.data.toLowerCase();

        if (column.field.indexOf('.') > -1) {
            let array = column.field.split('.');
            // 获取要比较的值并转为字符串后再转小写
            const value = row[array[0]]?.[array[1]];
            const valueStr = (value?.toString() || '').toLowerCase();
            return valueStr.indexOf(searchStr) > -1;
        } else {
            // 获取要比较的值并转为字符串后再转小写
            const value = row[column.field];
            const valueStr = (value?.toString() || '').toLowerCase();
            return valueStr.indexOf(searchStr) > -1;
        }
    }
    return true;
}

export {changeFilterEvent,filterChanged,filterChangeds}