import React from "react";
import {Button, Card, Col, Input, Row, Select} from 'antd';
import {LinkOutlined} from "@ant-design/icons";
import * as ApplicationBackend from "./backend/ApplicationBackend";
import * as Setting from "./Setting";
import * as ProviderBackend from "./backend/ProviderBackend";

const { Option } = Select;

class ApplicationEditPage extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      classes: props,
      applicationName: props.match.params.applicationName,
      application: null,
      providers: [],
    };
  }

  componentWillMount() {
    this.getApplication();
    this.getProviders();
  }

  getApplication() {
    ApplicationBackend.getApplication("admin", this.state.applicationName)
      .then((application) => {
        this.setState({
          application: application,
        });
      });
  }

  getProviders() {
    ProviderBackend.getProviders("admin")
      .then((res) => {
        this.setState({
          providers: res,
        });
      });
  }

  parseApplicationField(key, value) {
    // if ([].includes(key)) {
    //   value = Setting.myParseInt(value);
    // }
    return value;
  }

  updateApplicationField(key, value) {
    value = this.parseApplicationField(key, value);

    let application = this.state.application;
    application[key] = value;
    this.setState({
      application: application,
    });
  }

  renderApplication() {
    return (
      <Card size="small" title={
        <div>
          Edit Application&nbsp;&nbsp;&nbsp;&nbsp;
          <Button type="primary" onClick={this.submitApplicationEdit.bind(this)}>Save</Button>
        </div>
      } style={{marginLeft: '5px'}} type="inner">
        <Row style={{marginTop: '10px'}} >
          <Col style={{marginTop: '5px'}} span={2}>
            Name:
          </Col>
          <Col span={22} >
            <Input value={this.state.application.name} onChange={e => {
              this.updateApplicationField('name', e.target.value);
            }} />
          </Col>
        </Row>
        <Row style={{marginTop: '20px'}} >
          <Col style={{marginTop: '5px'}} span={2}>
            Display Name:
          </Col>
          <Col span={22} >
            <Input value={this.state.application.displayName} onChange={e => {
              this.updateApplicationField('displayName', e.target.value);
            }} />
          </Col>
        </Row>
        <Row style={{marginTop: '20px'}} >
          <Col style={{marginTop: '5px'}} span={2}>
            Providers:
          </Col>
          <Col span={22} >
            <Select mode="tags" style={{width: '100%'}}
                    value={this.state.application.providers}
                    onChange={value => {
                      this.updateApplicationField('providers', value);
                    }} >
              {
                this.state.providers.map((provider, index) => <Option key={index} value={provider.name}>{provider.name}</Option>)
              }
            </Select>
          </Col>
        </Row>
      </Card>
    )
  }

  submitApplicationEdit() {
    let application = Setting.deepCopy(this.state.application);
    ApplicationBackend.updateApplication(this.state.application.owner, this.state.applicationName, application)
      .then((res) => {
        if (res) {
          Setting.showMessage("success", `Successfully saved`);
          this.setState({
            applicationName: this.state.application.name,
          });
          this.props.history.push(`/applications/${this.state.application.name}`);
        } else {
          Setting.showMessage("error", `failed to save: server side failure`);
          this.updateApplicationField('name', this.state.applicationName);
        }
      })
      .catch(error => {
        Setting.showMessage("error", `failed to save: ${error}`);
      });
  }

  render() {
    return (
      <div>
        <Row style={{width: "100%"}}>
          <Col span={1}>
          </Col>
          <Col span={22}>
            {
              this.state.application !== null ? this.renderApplication() : null
            }
          </Col>
          <Col span={1}>
          </Col>
        </Row>
        <Row style={{margin: 10}}>
          <Col span={2}>
          </Col>
          <Col span={18}>
            <Button type="primary" size="large" onClick={this.submitApplicationEdit.bind(this)}>Save</Button>
          </Col>
        </Row>
      </div>
    );
  }
}

export default ApplicationEditPage;