import React, { PureComponent } from 'react';
import moment from 'moment';
import { connect } from 'dva';
import { List, Card, Row, Col, Radio, Input, Progress, Button, Icon, Dropdown, Menu, Avatar,
  Modal, Form, DatePicker, Select } from 'antd';

import PageHeaderLayout from '../../layouts/PageHeaderLayout';
import Result from '../../components/Result';

import styles from './BasicList.less';

const FormItem = Form.Item;
const RadioButton = Radio.Button;
const RadioGroup = Radio.Group;
const SelectOption = Select.Option;
const { Search, TextArea } = Input;

@connect(({ list, loading }) => ({
  list,
  loading: loading.models.list,
}))
@Form.create()
export default class BasicList extends PureComponent {
  state = { visible: false, done: false };

  componentDidMount() {
    this.props.dispatch({
      type: 'list/fetch',
      payload: {
        count: 5,
      },
    });
  }
  formLayout = {
    labelCol: { span: 7 },
    wrapperCol: { span: 13 },
  };
  showModal = () => {
    this.setState({
      visible: true,
      current: undefined,
    });
  }
  showEditModal = (item) => {
    this.setState({
      visible: true,
      current: item,
    });
  }
  handleDone = () => {
    this.setState({
      done: false,
      visible: false,
    });
  }
  handleCancel = () => {
    this.setState({
      visible: false,
    });
  }
  handleSubmit = (e) => {
    e.preventDefault();
    const { dispatch, form } = this.props;
    const id = this.state.current ? this.state.current.id : '';

    form.validateFields((err, fieldsValue) => {
      if (err) return;
      this.setState({
        done: true,
      });
      dispatch({
        type: 'list/submit',
        payload: { id, ...fieldsValue },
      });
    });
  }
  deleteItem = (id) => {
    this.props.dispatch({
      type: 'list/submit',
      payload: { id },
    });
  }

  render() {
    const { list: { list }, loading } = this.props;
    const { getFieldDecorator } = this.props.form;
    const { visible, done, current = {} } = this.state;

    const editAndDelete = (key, currentItem) => {
      if (key === 'edit') this.showEditModal(currentItem);
      else if (key === 'delete') {
        Modal.confirm({
          title: '删除任务',
          content: '确定删除该任务吗？',
          okText: '确认',
          cancelText: '取消',
          onOk: () => this.deleteItem(currentItem.id),
        });
      }
    };

    const modalFooter = done ?
      { footer: null, onCancel: this.handleDone }
      :
      { okText: '保存', onOk: this.handleSubmit, onCancel: this.handleCancel };

    const Info = ({ title, value, bordered }) => (
      <div className={styles.headerInfo}>
        <span>{title}</span>
        <p>{value}</p>
        {bordered && <em />}
      </div>
    );

    const extraContent = (
      <div className={styles.extraContent}>
        <RadioGroup defaultValue="all">
          <RadioButton value="all">全部</RadioButton>
          <RadioButton value="progress">进行中</RadioButton>
          <RadioButton value="waiting">等待中</RadioButton>
        </RadioGroup>
        <Search
          className={styles.extraContentSearch}
          placeholder="请输入"
          onSearch={() => ({})}
        />
      </div>
    );

    const paginationProps = {
      showSizeChanger: true,
      showQuickJumper: true,
      pageSize: 5,
      total: 50,
    };

    const ListContent = ({ data: { owner, createdAt, percent, status } }) => (
      <div className={styles.listContent}>
        <div className={styles.listContentItem}>
          <span>Owner</span>
          <p>{owner}</p>
        </div>
        <div className={styles.listContentItem}>
          <span>开始时间</span>
          <p>{moment(createdAt).format('YYYY-MM-DD HH:mm')}</p>
        </div>
        <div className={styles.listContentItem}>
          <Progress percent={percent} status={status} strokeWidth={6} style={{ width: 180 }} />
        </div>
      </div>
    );

    const MoreBtn = props => (
      <Dropdown overlay={
        <Menu onClick={({ key }) => editAndDelete(key, props.current)}>
          <Menu.Item key="edit">编辑</Menu.Item>
          <Menu.Item key="delete">删除</Menu.Item>
        </Menu>}
      >
        <a>
          更多 <Icon type="down" />
        </a>
      </Dropdown>
    );

    const getModalContent = () => {
      if (done) {
        return (
          <Result
            type="success"
            title="操作成功"
            description="一系列的信息描述，很短同样也可以带标点。"
            actions={<Button type="primary" onClick={this.handleDone}>知道了</Button>}
            style={{ width: '100%', marginBottom: '24px' }}
          />
        );
      }
      return (
        <Form onSubmit={this.handleSubmit}>
          <FormItem label="任务名称" {...this.formLayout}>
            {getFieldDecorator('title', {
              rules: [{ required: true, message: '请输入任务名称' }],
              initialValue: current.title,
            })(
              <Input placeholder="请输入" />
            )}
          </FormItem>
          <FormItem label="开始时间" {...this.formLayout}>
            {getFieldDecorator('createdAt', {
              rules: [{ required: true, message: '请选择开始时间' }],
              initialValue: current.createdAt ? moment(current.createdAt) : null,
            })(
              <DatePicker
                showTime
                placeholder="请选择"
                format="YYYY-MM-DD HH:mm:ss"
                style={{ width: '100%' }}
              />
            )}
          </FormItem>
          <FormItem label="任务负责人" {...this.formLayout}>
            {getFieldDecorator('owner', {
              rules: [{ required: true, message: '请选择任务负责人' }],
              initialValue: current.owner,
            })(
              <Select placeholder="请选择">
                <SelectOption value="付晓晓">付晓晓</SelectOption>
                <SelectOption value="周毛毛">周毛毛</SelectOption>
              </Select>
            )}
          </FormItem>
          <FormItem {...this.formLayout} label="产品描述">
            {getFieldDecorator('subDescription', {
              rules: [{ message: '请输入至少五个字符的产品描述！', min: 5 }],
              initialValue: current.subDescription,
            })(
              <TextArea rows={4} placeholder="请输入至少五个字符" />
            )}
          </FormItem>
        </Form>
      );
    };

    return (
      <PageHeaderLayout>
        <div className={styles.standardList}>
          <Card bordered={false}>
            <Row>
              <Col sm={8} xs={24}>
                <Info title="我的待办" value="8个任务" bordered />
              </Col>
              <Col sm={8} xs={24}>
                <Info title="本周任务平均处理时间" value="32分钟" bordered />
              </Col>
              <Col sm={8} xs={24}>
                <Info title="本周完成任务数" value="24个任务" />
              </Col>
            </Row>
          </Card>

          <Card
            className={styles.listCard}
            bordered={false}
            title="标准列表"
            style={{ marginTop: 24 }}
            bodyStyle={{ padding: '0 32px 40px 32px' }}
            extra={extraContent}
          >
            <Button type="dashed" style={{ width: '100%', marginBottom: 8 }} icon="plus" onClick={this.showModal}>
              添加
            </Button>
            <List
              size="large"
              rowKey="id"
              loading={loading}
              pagination={paginationProps}
              dataSource={list}
              renderItem={item => (
                <List.Item
                  actions={[
                    <a onClick={(e) => { e.preventDefault(); this.showEditModal(item); }}>编辑</a>,
                    <MoreBtn current={item} />,
                  ]}
                >
                  <List.Item.Meta
                    avatar={<Avatar src={item.logo} shape="square" size="large" />}
                    title={<a href={item.href}>{item.title}</a>}
                    description={item.subDescription}
                  />
                  <ListContent data={item} />
                </List.Item>
              )}
            />
          </Card>
        </div>
        <Modal
          title={`任务${this.state.current ? '编辑' : '添加'}`}
          width={640}
          bodyStyle={{ padding: '32px 0 8px' }}
          destroyOnClose
          visible={visible}
          {...modalFooter}
        >
          {getModalContent()}
        </Modal>
      </PageHeaderLayout>
    );
  }
}