import React, { Component } from 'react'
import { Button, Card, Form, Input, Popconfirm, message as Message } from 'antd'
import { isEqual } from 'lodash'
import { AntIcon, Auth, Container, ModalForm, QueryTable, QueryTableActions } from 'components'
import { api } from 'common/api'
import getDicData from 'util/dic'
import auth from 'components/authorized/handler'
import { toCamelCase } from 'util/format'
import FormBody from './form'

// 配置页面所需接口函数
const apiAction = {
    page: api.getAppPage,
    add: api.sysAppAdd,
    edit: api.sysAppEdit,
    delete: api.sysAppDelete,

    setDefault: api.sysAppSetAsDefault
}

// 用于弹窗标题
const name = '应用'

export default class index extends Component {

    // 表格实例
    table = React.createRef()

    // 新增窗口实例
    addForm = React.createRef()
    // 编辑窗口实例
    editForm = React.createRef()

    // 表格字段
    columns = [
        {
            title: '应用名称',
            dataIndex: 'name',
            sorter: true,
        },
        {
            title: '唯一编码',
            dataIndex: 'code',
            sorter: true,
        },
        {
            title: '是否默认',
            dataIndex: 'active',
            sorter: true,
            render: (text, record) => (<>
                {text ? '是' : '否'}
                {
                    !record.active && <Auth auth="sysApp:setAsDefault">
                        <QueryTableActions>
                            <span></span>
                            <Popconfirm
                                placement="topRight"
                                title="是否确认设置为默认应用"
                                onConfirm={() => this.onSetDefault(record)}
                            >
                                <a>设为默认</a>
                            </Popconfirm>
                        </QueryTableActions>
                    </Auth>
                }
            </>)
        },
        {
            title: '状态',
            dataIndex: 'status',
            sorter: true,
            render: text => (<>{this.bindCodeValue(text, 'common_status')}</>)
        },
        {
            title: '排序',
            dataIndex: 'sort',
            sorter: true,
        },
    ]

    /**
     * 构造函数,在渲染前动态添加操作字段等
     * @param {*} props 
     */
    constructor(props) {
        super(props)

        const flag = auth({ sysApp: [['edit'], ['delete']] })

        if (flag) {
            this.columns.push({
                title: '操作',
                width: 150,
                dataIndex: 'actions',
                render: (text, record) => (<QueryTableActions>
                    <Auth auth="sysApp:edit">
                        <a onClick={() => this.onOpen(this.editForm, record)}>编辑</a>
                    </Auth>
                    <Auth auth="sysApp:delete">
                        <Popconfirm
                            placement="topRight"
                            title="是否确认删除"
                            onConfirm={() => this.onDelete(record)}
                        >
                            <a>删除</a>
                        </Popconfirm>
                    </Auth>
                </QueryTableActions>)
            })
        }
    }

    /**
     * 阻止外部组件引发的渲染,提升性能
     * 可自行添加渲染条件
     * [必要]
     * @param {*} props 
     * @param {*} state 
     * @returns 
     */
    shouldComponentUpdate(props, state) {
        return !isEqual(this.state, state)
    }

    /**
     * 加载字典数据,之后开始加载表格数据
     * 如果必须要加载字典数据,可直接对表格设置autoLoad=true
     */
    componentDidMount() {
        this.table.current.onLoading()
        getDicData('common_status').then(res => {
            this.setState({
                codes: res
            }, () => {
                this.table.current.onLoadData()
            })
        })
    }

    /**
     * 调用加载数据接口,可在调用前对query进行处理
     * [异步,必要]
     * @param {*} params 
     * @param {*} query 
     * @returns 
     */
    async loadData(params, query) {
        const { data } = await apiAction.page({
            ...params,
            ...query,
        })
        return data
    }

    /**
     * 绑定字典数据
     * @param {*} code 
     * @param {*} name 
     * @returns 
     */
    bindCodeValue(code, name) {
        name = toCamelCase(name)
        const codes = this.state.codes[name]
        if (codes) {
            const c = codes.find((p) => p.code == code)
            if (c) {
                return c.value
            }
        }
        return null
    }

    /**
     * 打开新增/编辑弹窗
     * @param {*} modal 
     * @param {*} record 
     */
    onOpen(modal, record) {
        modal.current.open(record)
    }

    /**
     * 对表格上的操作进行统一处理
     * [异步]
     * @param {*} action 
     * @param {*} successMessage 
     */
    async onAction(action, successMessage) {
        this.table.current.onLoading()
        try {
            await action
            Message.success(successMessage)
            this.table.current.onReloadData()
        } catch {
            this.table.current.onLoaded()
        }
    }

    /**
     * 删除
     * @param {*} record 
     */
    onDelete(record) {
        this.onAction(
            apiAction.delete(record),
            '删除成功'
        )
    }

    //#region 自定义方法
    async onSetDefault(record) {
        this.onAction(
            apiAction.setDefault(record),
            '设置成功'
        )
    }
    //#endregion

    render() {
        return (
            <Container mode="fluid">
                <br />
                <Card bordered={false}>
                    <QueryTable
                        ref={this.table}
                        autoLoad={false}
                        loadData={this.loadData}
                        columns={this.columns}
                        query={
                            <Auth auth="sysApp:page">
                                <Form.Item label="应用名称" name="name">
                                    <Input autoComplete="off" placeholder="请输入应用名称" />
                                </Form.Item>
                                <Form.Item label="唯一编码" name="code">
                                    <Input autoComplete="off" placeholder="请输入唯一编码" />
                                </Form.Item>
                            </Auth>
                        }
                        operator={
                            <Button
                                icon={<AntIcon type="plus" />}
                                onClick={() => this.onOpen(this.addForm)}
                            >新增应用</Button>
                        }
                    />
                </Card>

                <ModalForm
                    title={`新增${name}`}
                    action={apiAction.add}
                    ref={this.addForm}
                    onSuccess={() => this.table.current.onReloadData()}
                >
                    <FormBody />
                </ModalForm>

                <ModalForm
                    title={`编辑${name}`}
                    action={apiAction.edit}
                    ref={this.editForm}
                    onSuccess={() => this.table.current.onReloadData()}
                >
                    <FormBody />
                </ModalForm>
            </Container>
        )
    }
}