import React, {Component} from 'react';

import {
    Badge,
    Button,
    Col,
    Divider,
    Dropdown,
    Input,
    Layout,
    Menu,
    Modal,
    PageHeader,
    Row,
    Select,
    Space,
    Table,
    Tag,
    Tooltip,
    Typography
} from "antd";
import qs from "qs";
import AssetModal from "./AssetModal";
import request from "../../common/request";
import {message} from "antd/es";
import {isEmpty, itemRender} from "../../utils/utils";


import {
    DeleteOutlined,
    DownOutlined,
    ExclamationCircleOutlined,
    PlusOutlined,
    SyncOutlined,
    UndoOutlined
} from '@ant-design/icons';
import {PROTOCOL_COLORS} from "../../common/constants";
import Logout from "../user/Logout";

const confirm = Modal.confirm;
const {Search} = Input;
const {Content} = Layout;
const {Title, Text} = Typography;
const routes = [
    {
        path: '',
        breadcrumbName: '首页',
    },
    {
        path: 'assets',
        breadcrumbName: '资产管理',
    }
];

class Asset extends Component {

    inputRefOfName = React.createRef();

    state = {
        items: [],
        total: 0,
        queryParams: {
            pageIndex: 1,
            pageSize: 10,
            protocol: ''
        },
        loading: false,
        modalVisible: false,
        modalTitle: '',
        modalConfirmLoading: false,
        credentials: [],
        tags: [],
        model: {},
        selectedRowKeys: [],
        delBtnLoading: false,
    };

    async componentDidMount() {
        this.loadTableData();

        let result = await request.get('/tags');
        if (result['code'] === 1) {
            this.setState({
                tags: result['data']
            })
        }
    }

    async delete(id) {
        const result = await request.delete('/assets/' + id);
        if (result['code'] === 1) {
            message.success('删除成功');
            await this.loadTableData(this.state.queryParams);
        } else {
            message.error('删除失败 :( ' + result.message, 10);
        }

    }

    async loadTableData(queryParams) {
        this.setState({
            loading: true
        });

        queryParams = queryParams || this.state.queryParams;

        // queryParams
        let paramsStr = qs.stringify(queryParams);

        let data = {
            items: [],
            total: 0
        };

        try {
            let result = await request.get('/assets/paging?' + paramsStr);
            if (result['code'] === 1) {
                data = result['data'];
            } else {
                message.error(result['message']);
            }
        } catch (e) {

        } finally {
            const items = data.items.map(item => {
                return {'key': item['id'], ...item}
            })
            this.setState({
                items: items,
                total: data.total,
                queryParams: queryParams,
                loading: false
            });
        }
    }

    handleChangPage = async (pageIndex, pageSize) => {
        let queryParams = this.state.queryParams;
        queryParams.pageIndex = pageIndex;
        queryParams.pageSize = pageSize;

        this.setState({
            queryParams: queryParams
        });

        await this.loadTableData(queryParams)
    };

    handleSearchByName = name => {
        let query = {
            ...this.state.queryParams,
            'pageIndex': 1,
            'pageSize': this.state.queryParams.pageSize,
            'name': name,
        }

        this.loadTableData(query);
    };

    handleTagsChange = tags => {
        console.log(tags)
        // this.setState({
        //     tags: tags
        // })
        let query = {
            ...this.state.queryParams,
            'pageIndex': 1,
            'pageSize': this.state.queryParams.pageSize,
            'tags': tags.join(','),
        }

        this.loadTableData(query);
    }

    handleSearchByProtocol = protocol => {
        let query = {
            ...this.state.queryParams,
            'pageIndex': 1,
            'pageSize': this.state.queryParams.pageSize,
            'protocol': protocol,
        }
        this.loadTableData(query);
    }

    showDeleteConfirm(id, content) {
        let self = this;
        confirm({
            title: '您确定要删除此资产吗?',
            content: content,
            okText: '确定',
            okType: 'danger',
            cancelText: '取消',
            onOk() {
                self.delete(id);
            }
        });
    };

    async update(id) {
        let result = await request.get(`/assets/${id}`);
        if (result.code !== 1) {
            message.error(result.message, 10);
            return;
        }
        await this.showModal('更新资产', result.data);
    }

    async copy(id) {
        let result = await request.get(`/assets/${id}`);
        if (result.code !== 1) {
            message.error(result.message, 10);
            return;
        }
        result.data['id'] = undefined;
        await this.showModal('复制资产', result.data);
    }

    async showModal(title, asset = {}) {
        // 并行请求
        let getCredentials = request.get('/credentials');
        let getTags = request.get('/tags');

        let credentials = [];
        let tags = [];

        let r1 = await getCredentials;
        let r2 = await getTags;

        if (r1['code'] === 1) {
            credentials = r1['data'];
        }

        if (r2['code'] === 1) {
            tags = r2['data'];
        }

        this.setState({
            modalTitle: title,
            modalVisible: true,
            credentials: credentials,
            tags: tags,
            model: asset
        });
    };

    handleCancelModal = e => {
        this.setState({
            modalTitle: '',
            modalVisible: false
        });
    };

    handleOk = async (formData) => {
        // 弹窗 form 传来的数据
        this.setState({
            modalConfirmLoading: true
        });

        if (formData['tagArr']) {
            formData.tags = formData['tagArr'].join(',');
        }

        if (formData.id) {
            // 向后台提交数据
            const result = await request.put('/assets/' + formData.id, formData);
            if (result.code === 1) {
                message.success('操作成功', 3);

                this.setState({
                    modalVisible: false
                });
                await this.loadTableData(this.state.queryParams);
            } else {
                message.error('操作失败 :( ' + result.message, 10);
            }
        } else {
            // 向后台提交数据
            const result = await request.post('/assets', formData);
            if (result.code === 1) {
                message.success('操作成功', 3);

                this.setState({
                    modalVisible: false
                });
                await this.loadTableData(this.state.queryParams);
            } else {
                message.error('操作失败 :( ' + result.message, 10);
            }
        }

        this.setState({
            modalConfirmLoading: false
        });
    };

    access = async (id, protocol) => {
        message.loading({content: '正在检测资产是否在线...', key: id});
        let result = await request.post(`/assets/${id}/tcping`);
        if (result.code === 1) {
            if (result.data === true) {
                message.success({content: '检测完成，您访问的资产在线，即将打开窗口进行访问。', key: id, duration: 3});
                window.open(`#/access?assetsId=${id}&protocol=${protocol}`);
            } else {
                message.warn('您访问的资产未在线，请确认网络状态。', 10);
            }
        } else {
            message.error('操作失败 :( ' + result.message, 10);
        }

    }

    batchDelete = async () => {
        this.setState({
            delBtnLoading: true
        })
        try {
            let result = await request.delete('/assets/' + this.state.selectedRowKeys.join(','));
            if (result.code === 1) {
                message.success('操作成功', 3);
                this.setState({
                    selectedRowKeys: []
                })
                await this.loadTableData(this.state.queryParams);
            } else {
                message.error('删除失败 :( ' + result.message, 10);
            }
        } finally {
            this.setState({
                delBtnLoading: false
            })
        }
    }

    render() {

        const columns = [{
            title: '序号',
            dataIndex: 'id',
            key: 'id',
            render: (id, record, index) => {
                return index + 1;
            }
        }, {
            title: '资产名称',
            dataIndex: 'name',
            key: 'name',
            render: (name, record) => {
                let short = name;
                if (short && short.length > 20) {
                    short = short.substring(0, 20) + " ...";
                }
                return (
                    <Tooltip placement="topLeft" title={name}>
                        {short}
                    </Tooltip>
                );
            }
        }, {
            title: '网络',
            dataIndex: 'ip',
            key: 'ip',
            render: (text, record) => {

                return record['ip'] + ':' + record['port'];
            }
        }, {
            title: '连接协议',
            dataIndex: 'protocol',
            key: 'protocol',
            render: (text, record) => {

                return (<Tag color={PROTOCOL_COLORS[text]}>{text}</Tag>);
            }
        }, {
            title: '状态',
            dataIndex: 'active',
            key: 'active',
            render: text => {
                if (text) {
                    return (<Badge status="processing" text="运行中"/>);
                } else {
                    return (<Badge status="error" text="不可用"/>);
                }
            }
        }, {
            title: '标签',
            dataIndex: 'tags',
            key: 'tags',
            render: tags => {
                if (!isEmpty(tags)) {
                    let tagDocuments = []
                    let tagArr = tags.split(',');
                    for (let i = 0; i < tagArr.length; i++) {
                        if (tags[i] === '-') {
                            continue;
                        }
                        tagDocuments.push(<Tag>{tagArr[i]}</Tag>)
                    }
                    return tagDocuments;
                }
            }
        }, {
            title: '创建日期',
            dataIndex: 'created',
            key: 'created'
        },
            {
                title: '操作',
                key: 'action',
                render: (text, record) => {

                    const menu = (
                        <Menu>
                            <Menu.Item key="1">
                                <Button type="text" size='small'
                                        onClick={() => this.update(record.id)}>编辑</Button>
                            </Menu.Item>

                            <Menu.Item key="2">
                                <Button type="text" size='small'
                                        onClick={() => this.copy(record.id)}>复制</Button>
                            </Menu.Item>

                            <Menu.Divider/>
                            <Menu.Item key="3">
                                <Button type="text" size='small' danger
                                        onClick={() => this.showDeleteConfirm(record.id, record.name)}>删除</Button>
                            </Menu.Item>
                        </Menu>
                    );

                    return (
                        <div>
                            <Button type="link" size='small'
                                    onClick={() => this.access(record.id, record.protocol)}>接入</Button>

                            <Dropdown overlay={menu}>
                                <Button type="link" size='small'>
                                    更多 <DownOutlined/>
                                </Button>
                            </Dropdown>
                        </div>
                    )
                },
            }
        ];

        const selectedRowKeys = this.state.selectedRowKeys;
        const rowSelection = {
            selectedRowKeys: this.state.selectedRowKeys,
            onChange: (selectedRowKeys, selectedRows) => {
                this.setState({selectedRowKeys});
            },
        };
        const hasSelected = selectedRowKeys.length > 0;

        return (
            <>
                <PageHeader
                    className="site-page-header-ghost-wrapper page-herder"
                    title="资产管理"
                    breadcrumb={{
                        routes: routes,
                        itemRender: itemRender
                    }}
                    extra={[
                        <Logout key='logout'/>
                    ]}
                    subTitle="资产"
                >
                </PageHeader>

                <Content key='page-content' className="site-layout-background page-content">
                    <div style={{marginBottom: 20}}>
                        <Row justify="space-around" align="middle" gutter={24}>
                            <Col span={12} key={1}>
                                <Title level={3}>资产列表</Title>
                            </Col>
                            <Col span={12} key={2} style={{textAlign: 'right'}}>
                                <Space>

                                    <Search
                                        ref={this.inputRefOfName}
                                        placeholder="资产名称"
                                        allowClear
                                        onSearch={this.handleSearchByName}
                                    />

                                    <Select mode="multiple"
                                            allowClear
                                            placeholder="资产标签" onChange={this.handleTagsChange}
                                            style={{minWidth: 150}}>
                                        {this.state.tags.map(tag => {
                                            if (tag === '-') {
                                                return undefined;
                                            }
                                            return (<Select.Option key={tag}>{tag}</Select.Option>)
                                        })}
                                    </Select>

                                    <Select onChange={this.handleSearchByProtocol}
                                            value={this.state.queryParams.protocol ? this.state.queryParams.protocol : ''}
                                            style={{width: 100}}>
                                        <Select.Option value="">全部协议</Select.Option>
                                        <Select.Option value="rdp">rdp</Select.Option>
                                        <Select.Option value="ssh">ssh</Select.Option>
                                        <Select.Option value="vnc">vnc</Select.Option>
                                        <Select.Option value="telnet">telnet</Select.Option>
                                    </Select>

                                    <Tooltip title='重置查询'>

                                        <Button icon={<UndoOutlined/>} onClick={() => {
                                            this.inputRefOfName.current.setValue('');
                                            this.loadTableData({pageIndex: 1, pageSize: 10, protocol: ''})
                                        }}>

                                        </Button>
                                    </Tooltip>

                                    <Divider type="vertical"/>

                                    <Tooltip title="新增">
                                        <Button type="dashed" icon={<PlusOutlined/>}
                                                onClick={() => this.showModal('新增资产', {})}>

                                        </Button>
                                    </Tooltip>


                                    <Tooltip title="刷新列表">
                                        <Button icon={<SyncOutlined/>} onClick={() => {
                                            this.loadTableData(this.state.queryParams)
                                        }}>

                                        </Button>
                                    </Tooltip>

                                    <Tooltip title="批量删除">
                                        <Button type="primary" danger disabled={!hasSelected} icon={<DeleteOutlined/>}
                                                loading={this.state.delBtnLoading}
                                                onClick={() => {
                                                    const content = <div>
                                                        您确定要删除选中的<Text style={{color: '#1890FF'}}
                                                                       strong>{this.state.selectedRowKeys.length}</Text>条记录吗？
                                                    </div>;
                                                    confirm({
                                                        icon: <ExclamationCircleOutlined/>,
                                                        content: content,
                                                        onOk: () => {
                                                            this.batchDelete()
                                                        },
                                                        onCancel() {

                                                        },
                                                    });
                                                }}>

                                        </Button>
                                    </Tooltip>

                                </Space>
                            </Col>
                        </Row>
                    </div>

                    <Table key='assets-table'
                           rowSelection={rowSelection}
                           dataSource={this.state.items}
                           columns={columns}
                           position={'both'}
                           pagination={{
                               showSizeChanger: true,
                               current: this.state.queryParams.pageIndex,
                               pageSize: this.state.queryParams.pageSize,
                               onChange: this.handleChangPage,
                               onShowSizeChange: this.handleChangPage,
                               total: this.state.total,
                               showTotal: total => `总计 ${total} 条`
                           }}
                           loading={this.state.loading}
                    />

                    {
                        this.state.modalVisible ?
                            <AssetModal
                                modalFormRef={this.modalFormRef}
                                visible={this.state.modalVisible}
                                title={this.state.modalTitle}
                                handleOk={this.handleOk}
                                handleCancel={this.handleCancelModal}
                                confirmLoading={this.state.modalConfirmLoading}
                                credentials={this.state.credentials}
                                tags={this.state.tags}
                                model={this.state.model}
                            />
                            : null
                    }

                </Content>
            </>
        );
    }
}

export default Asset;