import { observer } from "mobx-react";
import * as React from "react";
import { Form, Header, Icon, Segment } from "semantic-ui-react";

import { DurationView, SectionChooser } from "@client/components";
import { UiStore } from "@client/state";
import { Duration } from "@common/Duration";
import log from "@common/logger";
import { Section, SprinklersDevice } from "@common/sprinklersRpc";
import { RunSectionResponse } from "@common/sprinklersRpc/deviceRequests";

@observer
export default class RunSectionForm extends React.Component<
  {
    device: SprinklersDevice;
    uiStore: UiStore;
  },
  {
    duration: Duration;
    sectionId: number | undefined;
  }
> {
  constructor(props: any, context?: any) {
    super(props, context);
    this.state = {
      duration: new Duration(0, 0),
      sectionId: undefined
    };
  }

  render() {
    const { sectionId, duration } = this.state;
    return (
      <Segment>
        <Header>Run Section</Header>
        <Form>
          <SectionChooser
            label="Section"
            sections={this.props.device.sections}
            sectionId={sectionId}
            onChange={this.onSectionChange}
          />
          <DurationView
            label="Duration"
            duration={duration}
            onDurationChange={this.onDurationChange}
          />
          <Form.Button primary onClick={this.run} disabled={!this.isValid}>
            <Icon name="play" />
            Run
          </Form.Button>
        </Form>
      </Segment>
    );
  }

  private onSectionChange = (newSectionId: number) => {
    this.setState({ sectionId: newSectionId });
  };

  private onDurationChange = (newDuration: Duration) => {
    this.setState({ duration: newDuration });
  };

  private run = (e: React.SyntheticEvent<HTMLElement>) => {
    e.preventDefault();
    const { sectionId, duration } = this.state;
    if (sectionId == null) {
      return;
    }
    const section = this.props.device.sections[sectionId];
    section
      .run(duration.toSeconds())
      .then(this.onRunSuccess)
      .catch(this.onRunError);
  };

  private onRunSuccess = (result: RunSectionResponse) => {
    log.debug({ result }, "requested section run");
    this.props.uiStore.addMessage({
      success: true,
      header: "Section running",
      content: result.message,
      timeout: 2000
    });
  };

  private onRunError = (err: RunSectionResponse) => {
    log.error(err, "error running section");
    this.props.uiStore.addMessage({
      error: true,
      header: "Error running section",
      content: err.message
    });
  };

  private get isValid(): boolean {
    return this.state.sectionId != null && this.state.duration.toSeconds() > 0;
  }
}