import { observer } from "mobx-react";
import { RouterStore } from "mobx-react-router";
import * as React from "react";
import { Link } from "react-router-dom";
import { Button, ButtonProps, Form, Icon, Table } from "semantic-ui-react";

import { ProgramSequenceView, ScheduleView } from "@client/components";
import * as route from "@client/routePaths";
import { ISprinklersDevice } from "@common/httpApi";
import { Program, SprinklersDevice } from "@common/sprinklersRpc";
import moment = require("moment");

@observer
class ProgramRows extends React.Component<{
  program: Program;
  iDevice: ISprinklersDevice;
  device: SprinklersDevice;
  routerStore: RouterStore;
  expanded: boolean;
  toggleExpanded: (program: Program) => void;
}> {
  render() {
    const { program, iDevice, device, expanded } = this.props;
    const { sections } = device;

    const { name, running, enabled, schedule, sequence } = program;

    const buttonStyle: ButtonProps = { size: "small", compact: false };
    const detailUrl = route.program(iDevice.id, program.id);

    const stopStartButton = (
      <Button
        onClick={this.cancelOrRun}
        {...buttonStyle}
        positive={!running}
        negative={running}
      >
        <Icon name={running ? "stop" : "play"} />
        {running ? "Stop" : "Run"}
      </Button>
    );

    const mainRow = (
      <Table.Row>
        <Table.Cell className="program--number">{"" + program.id}</Table.Cell>
        <Table.Cell className="program--name">{name}</Table.Cell>
        <Table.Cell className="program--enabled">
          {enabled ? "Enabled" : "Not enabled"}
        </Table.Cell>
        <Table.Cell className="program--running">
          <span>{running ? "Running" : "Not running"}</span>
        </Table.Cell>
        <Table.Cell>
          {stopStartButton}
          <Button as={Link} to={detailUrl} {...buttonStyle} primary>
            <Icon name="edit" />
            Open
          </Button>
          <Button onClick={this.toggleExpanded} {...buttonStyle}>
            <Icon name="list" />
            {expanded ? "Hide Details" : "Show Details"}
          </Button>
        </Table.Cell>
      </Table.Row>
    );
    const detailRow = expanded && (
      <Table.Row>
        <Table.Cell className="program--sequence" colSpan="5">
          <Form>
            <h4>Sequence: </h4>{" "}
            <ProgramSequenceView sequence={sequence} sections={sections} />
            <ScheduleView schedule={schedule} label={<h4>Schedule: </h4>} />
            <h4 className="program--nextRun">Next run: </h4>
            {
              program.nextRun 
                ? <time title={moment(program.nextRun).toString()}>{moment(program.nextRun).fromNow()}</time>
                : <time title="never">never</time>
            }
          </Form>
        </Table.Cell>
      </Table.Row>
    );
    return (
      <React.Fragment>
        {mainRow}
        {detailRow}
      </React.Fragment>
    );
  }

  private cancelOrRun = () => {
    const { program } = this.props;
    program.running ? program.cancel() : program.run();
  };

  private toggleExpanded = () => {
    this.props.toggleExpanded(this.props.program);
  };
}

type ProgramId = Program["id"];

@observer
export default class ProgramTable extends React.Component<
  {
    iDevice: ISprinklersDevice;
    device: SprinklersDevice;
    routerStore: RouterStore;
  },
  {
    expandedPrograms: ProgramId[];
  }
> {
  constructor(p: any) {
    super(p);
    this.state = { expandedPrograms: [] };
  }

  render() {
    const { programs } = this.props.device;
    const programRows = programs.map(this.renderRows);

    return (
      <Table celled>
        <Table.Header>
          <Table.Row>
            <Table.HeaderCell colSpan="7">Programs</Table.HeaderCell>
          </Table.Row>
          <Table.Row>
            <Table.HeaderCell className="program--number">#</Table.HeaderCell>
            <Table.HeaderCell className="program--name">Name</Table.HeaderCell>
            <Table.HeaderCell className="program--enabled">
              Enabled?
            </Table.HeaderCell>
            <Table.HeaderCell className="program--running">
              Running?
            </Table.HeaderCell>
            <Table.HeaderCell className="program--actions">
              Actions
            </Table.HeaderCell>
          </Table.Row>
        </Table.Header>
        <Table.Body>{programRows}</Table.Body>
      </Table>
    );
  }

  private renderRows = (program: Program, i: number): JSX.Element | null => {
    if (!program) {
      return null;
    }
    const expanded = this.state.expandedPrograms.indexOf(program.id) !== -1;
    return (
      <ProgramRows
        program={program}
        iDevice={this.props.iDevice}
        device={this.props.device}
        routerStore={this.props.routerStore}
        expanded={expanded}
        toggleExpanded={this.toggleExpanded}
        key={i}
      />
    );
  };

  private toggleExpanded = (program: Program) => {
    const { expandedPrograms } = this.state;
    const idx = expandedPrograms.indexOf(program.id);
    if (idx !== -1) {
      expandedPrograms.splice(idx, 1);
    } else {
      expandedPrograms.push(program.id);
    }
    this.setState({
      expandedPrograms
    });
  };
}