import React, { useEffect, useState } from 'react';
import { connect } from 'react-redux';
import { Spin, Table, Popconfirm, Button, Input, Row, Col } from 'antd';
import { ButtonGroup } from '$components';
import moment from 'moment';
import FileSaver from 'file-saver';
import MetadataFileModal from '../components/metadataFileModal';
import MetadataTagModal from '../components/metadataTagModal';
import MetadataResourceModal from '../components/metadataResourceModal';
import { RouteRequest } from '@peace/utils';
import { RouteTable } from '$utils'

const FilesTable = (props) => {
    const { user, dispatch, actions, clientHeight, resourceCatalogId, resourceCatalogKey,
        isRequesting, metadataModels, tagList, metadataResourceApplications, params } = props;
    const { metadataManagement } = actions;
    const SortValues = { 'ascend': 'asc', 'descend': 'desc' };
    const [tableData, setTableData] = useState([]);
    const [tableDataCount, setTableDataCount] = useState(0);//Table数据
    const [updateAtSort, setUpdateAtSort] = useState('descend');
    const [keywords, setKeywords] = useState('');
    const [limit, setLimit] = useState(10);
    const [currentPage, setCurrentPage] = useState(1);
    const [selectedRowKeys, setSelectedRowKeys] = useState([]);
    const [selectedRows, setSelectedRows] = useState([]);
    const [modalVisible, setModalVisible] = useState(false);
    const [editData, setEditData] = useState({});
    const [tagModalVisible, setTagModalVisible] = useState(false);
    const [editTagData, setEditTagData] = useState({});
    const [resourceModalVisible, setResourceModalVisible] = useState(false);
    const [editResourceData, setEditResourceData] = useState({});

    useEffect(() => {
        dispatch(metadataManagement.getTagList());
        setUpdateAtSort('descend');
        initData({ limit, offset: currentPage - 1, orderDirection: SortValues[updateAtSort] });
    }, []);

    const initData = (query = {}) => {
        dispatch(metadataManagement.getMetadataFiles({ resourceId: params?.type == 'files' ? params?.resourceId : null, catalog: resourceCatalogId, keywords, orderBy: 'updateAt', ...query })).then(res => {
            if (res.success) {
                setTableData(res.payload.data.rows);
                setTableDataCount(res.payload.data.count);
                let resourceNames = [];
                res.payload.data.rows.map(r => {
                    resourceNames.push(r.name);
                })
                if (resourceNames.length)
                    dispatch(metadataManagement.getMetadataResourceApplications({ resourceNames: resourceNames.join(','), type: '文件' }))
            }

        })
    }
    const onEdit = (record) => {
        dispatch(metadataManagement.getMetadataModels({ modelTypes: '文件' })).then(res => {
            if (res.success) {
                setEditData({
                    title: '修改文件元数据', record: {
                        ...record, ...record.attributesParam,
                        files: record.fileName ? [{
                            url: "\\assets\\files\\common\\" + record.fileName, name: record.fileName.split('_').pop()
                        }] : []
                    }
                });
                setModalVisible(true);
            }
        })
    }
    const confirmDelete = (record) => {
        dispatch(metadataManagement.delMetadataFiles(record.id)).then(res => {
            if (res.success) {
                onSearch(); setModalVisible(false);
                deleteFile({ url: "\\assets\\files\\common\\" + record.fileName })
            }
        });
    }
    //删除文件
    const deleteFile = (file) => {
        if (file.url) {
            RouteRequest.delete(RouteTable.cleanUpUploadTrash, { url: file.url });
        };
    }
    const marking = (id) => {
        dispatch(metadataManagement.getTagMetadata(id, 'file')).then(res => {
            if (res.success) {
                const obj = { tagSet: [], tags: [], id: id };
                if (res.payload.data.length) {
                    const tagSetIds = res.payload.data.map(d => d.tagSet)
                    obj.tagSet = [...new Set(tagSetIds)];
                    obj.tags = res.payload.data.map(d => d.id);
                }
                setEditTagData({ record: obj });
                setTagModalVisible(true);
            }
        })
    }
    const onConfirmTag = (values) => {
        dispatch(metadataManagement.postTagMetadata({ file: editTagData.record.id, ...values })).then(res => {
            if (res.success) {
                onSearch(); setTagModalVisible(false);
            }
        });
    }
    const applyResources = (record) => {
        setEditResourceData({ record: { resourceId: record.id, resourceName: record.name, applyBy: user.id, applyByName: user.name, resourceType: '文件' } });
        setResourceModalVisible(true);
    }

    const onConfirmResource = (values) => {
        dispatch(metadataManagement.postMetadataResourceApplications(values)).then(res => {
            if (res.success) {
                onSearch(); setResourceModalVisible(false);
            }
        });
    }
    const onTableChange = (pagination, filters, sorter) => {
        let limit = Number.parseInt(pagination.pageSize);
        let offset = Number.parseInt(pagination.current) - 1;
        setCurrentPage(pagination.current);
        setLimit(limit);
        let query = { offset, limit, orderDirection: SortValues[updateAtSort] };
        if (sorter.columnKey === 'updateAt') {
            query.orderDirection = SortValues[sorter.order];
            setUpdateAtSort(sorter.order);
        }
        setSelectedRowKeys([]);
        setSelectedRows([]);
        initData(query);
    }

    const getfilesize = (size) => {
        if (!size)
            return "0K";
        var num = 1024.00; //byte
        if (size < num)
            return size + "B";
        if (size < Math.pow(num, 2))
            return (size / num).toFixed(2) + "KB"; //kb
        if (size < Math.pow(num, 3))
            return (size / Math.pow(num, 2)).toFixed(2) + "M"; //M
        if (size < Math.pow(num, 4))
            return (size / Math.pow(num, 3)).toFixed(2) + "G"; //G
        return (size / Math.pow(num, 4)).toFixed(2) + "T"; //T
    }

    const columns = [
        {
            title: '文件名称',
            dataIndex: 'name',
            key: 'name',
            width: '16%',
            ellipsis: true
        }, {
            title: '文件描述',
            dataIndex: 'description',
            key: 'description',
            width: '29%',
            ellipsis: true
        }, {
            title: '文件类型',
            dataIndex: 'type',
            key: 'type',
            width: '10%',
            render: (text, record) => {
                if (record.fileName)
                    return <span>{text}</span>
                else
                    return ''
            }
        }, {
            title: '标签',
            dataIndex: 'tags',
            key: 'tags',
            width: '18%',
            ellipsis: true,
            render: (text, record, index) => {
                let tagName = record.tagFiles.map(tagSet => tagSet.tag.name);
                return tagName.join(',');
            }
        }, {
            title: '大小',
            dataIndex: 'size',
            key: 'size',
            width: '10%',
            render: (text, record) => {
                if (record.fileName)
                    return <span>{getfilesize(text)}</span>
                else
                    return ''
            }
        }, {
            title: '修改时间',
            dataIndex: 'updateAt',
            key: 'updateAt',
            width: '18%',
            sortOrder: updateAtSort,
            sorter: (a, b) => moment(a.updateAt).valueOf() - moment(b.updateAt).valueOf(),
            sortDirections: ['descend', 'ascend', 'descend'],
            render: (text, record, index) => {
                return text && moment(text).format('YYYY-MM-DD HH:mm:ss') || ''
            }
        }, {
            title: '操作',
            dataIndex: 'action',
            width: '8%',
            render: (text, record) => {
                let resourceApplicationsRecords = metadataResourceApplications.filter(ra =>
                    ra.applyBy == user.id && ra.resourceName === record.name && ra.resourceId == record.id && !!record.token);
                return <ButtonGroup>
                    {user.role == '数据消费者' ? null :
                        <>
                            <a style={{ marginLeft: 10 }} onClick={() => onEdit(record)}>编辑</a>
                            <Popconfirm
                                title="是否确认删除该元数据？"
                                onConfirm={() => confirmDelete(record)}
                            ><a style={{ marginLeft: 10 }}>删除</a></Popconfirm>
                            <a style={{ marginLeft: 10 }} onClick={() => marking(record.id)}>打标</a>
                        </>
                    }

                    {user.role == '系统管理员' ? '' : resourceApplicationsRecords.length === 0 ?
                        <a style={{ marginLeft: 10 }} onClick={() => applyResources(record)}>申请资源</a> :
                        <span style={{ marginLeft: 10, color: "#c0c0c0" }} title='已存在资源申请'>申请资源</span>}
                </ButtonGroup>
            }
        }];

    const onSearch = () => {
        setSelectedRowKeys([]);
        setSelectedRows([]);
        setCurrentPage(1);
        initData({ limit, offset: 0, orderDirection: SortValues[updateAtSort] });
    }
    const handleExport = (isAll = false) => {
        let tableHeader = `<tr>`;
        columns.filter(c => c.dataIndex != 'action').map(c => { tableHeader += `<th><div>${c.title}</div></th>`; });
        tableHeader += '</tr>';
        if (isAll) {
            dispatch(metadataManagement.getMetadataFiles({ catalog: resourceCatalogId })).then(res => {
                if (res.success) {
                    handleExportTable(tableHeader, res.payload.data.rows);
                }
            })
        } else {
            let data = []
            if (updateAtSort === 'descend') {
                data = selectedRows.sort((a, b) => moment(b.updateAt).valueOf() - moment(a.updateAt).valueOf());
            } else {
                data = selectedRows.sort((a, b) => moment(a.updateAt).valueOf() - moment(b.updateAt).valueOf());
            }
            handleExportTable(tableHeader, data);
        }
    }
    const handleExportTable = (tableHeader, contentData) => {
        let tableContent = '';
        contentData.map(cd => {
            tableContent += `<tr>`;
            tableContent += `<th style="font-weight:600"><div>${cd.name}</div></th>`;
            tableContent += `<th style="font-weight:600"><div>${cd.description || ''}</div></th>`;
            tableContent += `<th style="font-weight:600"><div>${cd.fileName ? cd.type : ''}</div></th>`;
            let tagName = cd.tagFiles.map(tagSet => tagSet.tag.name);
            tableContent += `<th style="font-weight:600"><div>${tagName.join(',')}</div></th>`;
            tableContent += `<th style="font-weight:600"><div>${cd.fileName && cd.size ? getfilesize(cd.size) : ''}</div></th>`;
            tableContent += `<th style="font-weight:600"><div>${moment(cd.updateAt).format('YYYY-MM-DD HH:mm:ss')}</div></th>`;
            tableContent += `</tr>`;
        })
        let exportTable = `\uFEFF<table border="1">
            ${tableHeader}
            ${tableContent}
        </table>`;
        let tempStr = new Blob([exportTable], { type: 'text/plain;charset=utf-8' });
        FileSaver.saveAs(tempStr, `文件元数据导出.xls`);
    }
    //新建、修改
    const onConfirm = (values) => {
        let obj = {}
        if (editData.add) {
            obj = { createBy: user.id, catalog: resourceCatalogId, catalogKey: resourceCatalogKey, ...values }
            if (values.files && values.files.length) {
                obj.type = values.files[0].name.split('.').pop();
                obj.size = values.files[0].size;
                obj.fileName = values.files[0].realName;
            }
            dispatch(metadataManagement.postMetadataFiles(obj)).then(res => {
                if (res.success) {
                    onSearch(); setModalVisible(false);
                }
            });
        } else {
            obj = { catalog: resourceCatalogId, catalogKey: resourceCatalogKey, ...values }
            if (values.files && values.files.length) {
                obj.type = values.files[0].name.split('.').pop();
                if (values.files[0].size) {
                    obj.size = values.files[0].size;
                }
                obj.fileName = values.files[0].realName;
            }
            dispatch(metadataManagement.putMetadataFiles(editData.record.id, obj)).then(res => {
                if (res.success) {
                    onSearch(); setModalVisible(false);
                }
            });
        }
    }
    return <Spin spinning={isRequesting}>
        <Row style={{ marginBottom: 16 }}>
            <Col span={12}>
                {user.role == '数据消费者' ? null : <>
                    <Button type='primary' onClick={() => {
                        dispatch(metadataManagement.getMetadataModels({ modelTypes: '文件' })).then(res => {
                            if (res.success) {
                                setEditData({ add: true, title: '新建文件元数据', record: {} });
                                setModalVisible(true);
                            }
                        })
                    }}>新建</Button>
                    {
                        tableDataCount == 0 ? <Button disabled={tableDataCount == 0} style={{ marginLeft: 16 }} onClick={() => handleExport()}>导出</Button> :
                            selectedRowKeys && selectedRowKeys.length ?
                                <Button disabled={tableDataCount == 0} style={{ marginLeft: 16 }} onClick={() => handleExport()}>导出</Button>
                                : <Popconfirm title={'是否导出全部？'} onConfirm={() => handleExport(true)} okText="确定" cancelText="取消">
                                    <Button disabled={tableDataCount == 0} style={{ marginLeft: 16 }}> 导出</Button>
                                </Popconfirm>
                    }</>}
            </Col>
            <Col span={12} style={{ display: 'flex', justifyContent: 'flex-end' }}>
                <Input style={{ width: 220 }} placeholder="名称/类型"
                    allowClear onPressEnter={onSearch} onChange={e => setKeywords(e.target.value || '')} />
                <Button type='primary' style={{ marginLeft: 16 }} onClick={onSearch}>查询</Button>
            </Col>
        </Row>


        <Table
            scroll={{ y: clientHeight - 320 }}
            rowKey='id'
            columns={columns}
            dataSource={tableData}
            onChange={onTableChange}
            pagination={{
                current: currentPage,
                pageSize: limit,
                total: tableDataCount,
                showSizeChanger: true,
                // showQuickJumper: true,
                showTotal: (total) => { return <span style={{ fontSize: 15 }}>{`共${Math.ceil(total / limit)}页，${total}项`}</span> },

            }}
            rowSelection={{
                onChange: (selectedRowKeys, selectedRows) => {
                    setSelectedRowKeys(selectedRowKeys)
                    setSelectedRows(selectedRows);
                },
                selectedRowKeys: selectedRowKeys
            }}
        >
        </Table>
        {
            modalVisible ?
                <MetadataFileModal
                    metadataModels={metadataModels.filter(m => m.modelType === '文件')}
                    editData={editData}
                    onCancel={(file, updateId) => {
                        setModalVisible(false)
                        if (file)
                            deleteFile(file);
                        if (updateId) {
                            dispatch(metadataManagement.putMetadataFiles(updateId, {}, true)).then(res => {
                                if (res.success) {
                                    onSearch(); setModalVisible(false);
                                }
                            });
                        }
                    }}
                    onConfirm={onConfirm} /> : ''
        }
        {
            tagModalVisible ?
                <MetadataTagModal
                    tagList={tagList}
                    editData={editTagData}
                    onCancel={() => setTagModalVisible(false)}
                    onConfirm={onConfirmTag} /> : ''
        }
        {
            resourceModalVisible ?
                <MetadataResourceModal
                    editData={editResourceData}
                    onCancel={() => setResourceModalVisible(false)}
                    onConfirm={onConfirmResource} /> : ''
        }
    </Spin >
}
function mapStateToProps(state) {
    const { global, auth, metadataFiles, metadataModels, tagList, tagMetadata, metadataResourceApplications } = state;
    return {
        user: auth.user,
        actions: global.actions,
        clientHeight: global.clientHeight,
        isRequesting: metadataFiles.isRequesting || metadataModels.isRequesting || tagList.isRequesting
            || tagMetadata.isRequesting || metadataResourceApplications.isRequesting,
        metadataModels: metadataModels.data,
        tagList: tagList.data || [],
        metadataResourceApplications: metadataResourceApplications.data || []
    };
}
export default connect(mapStateToProps)(FilesTable)