import * as React from 'react';
import * as System from '~/components/system';

import SystemPage from '~/components/system/SystemPage';
import ViewSourceLink from '~/components/system/ViewSourceLink';

const SELECT_MENU_OPTIONS = [
  { value: '1', name: 'Capricorn' },
  { value: '2', name: 'Aquarius' },
  { value: '3', name: 'Pisces' },
  { value: '4', name: 'Aries' },
  { value: '5', name: 'Taurus' },
  { value: '6', name: 'Gemini' },
  { value: '7', name: 'Cancer' },
  { value: '8', name: 'Leo' },
  { value: '9', name: 'Virgo' },
  { value: '10', name: 'Libra' },
  { value: '11', name: 'Scorpio' },
  { value: '12', name: 'Sagittarus' },
];

const SELECT_MENU_MAP = {
  '1': 'Capricorn',
  '2': 'Aquarius',
  '3': 'Pisces',
  '4': 'Aries',
  '5': 'Taurus',
  '6': 'Gemini',
  '7': 'Cancer',
  '8': 'Leo',
  '9': 'Virgo',
  '10': 'Libra',
  '11': 'Scorpio',
  '12': 'Sagittarus',
};

export default class SystemPageDropdowns extends React.Component {
  state = {
    one: '1',
    two: '3',
    three: '1',
  };

  _handleChange = (e) => {
    this.setState({ [e.target.name]: e.target.value });
  };

  render() {
    return (
      <SystemPage title="FCDS: Dropdowns" description="Lorem Ipsum." url="https://fps.onrender.com/system/dropdowns">
        <System.H1>
          Dropdowns <ViewSourceLink file="dropdowns.js" />
        </System.H1>
        <br />
        <br />
        <System.P>The Dropdown component is used to present the user a list of values where they can select a single option.</System.P>
        <br />
        <br />
        <System.H2>Usage</System.H2>
        <hr />
        <br />
        <System.P>Define the dropdown menu options.</System.P>
        <br />
        <System.CodeBlock>
{`const SELECT_MENU_OPTIONS = [
  { value: '1', name: 'Capricorn' },
  { value: '2', name: 'Aquarius' },
  { value: '3', name: 'Pisces' },
  { value: '4', name: 'Aries' },
  { value: '5', name: 'Taurus' },
  { value: '6', name: 'Gemini' },
  { value: '7', name: 'Cancer' },
  { value: '8', name: 'Leo' },
  { value: '9', name: 'Virgo' },
  { value: '10', name: 'Libra' },
  { value: '11', name: 'Scorpio' },
  { value: '12', name: 'Sagittarus' },
];

const SELECT_MENU_MAP = {
  '1': 'Capricorn',
  '2': 'Aquarius',
  '3': 'Pisces',
  '4': 'Aries',
  '5': 'Taurus',
  '6': 'Gemini',
  '7': 'Cancer',
  '8': 'Leo',
  '9': 'Virgo',
  '10': 'Libra',
  '11': 'Scorpio',
  '12': 'Sagittarus',
};`}
        </System.CodeBlock>
        <br />
        <System.P>Define the Dropdown value states and handle the state change the when a dropdown value is selected.</System.P>
        <br />
        <System.CodeBlock>
{`state = {
  one: '1',
  two: '3',
  three: '1',
};

_handleChange = (e) => {
  this.setState({ [e.target.name]: e.target.value });
};`}
        </System.CodeBlock>
        <br />
        <System.P>Declare the Dropdown component.</System.P>
        <br />
        <System.CodeBlock>
{`<System.SelectMenu
  name="one"
  value={this.state.one}
  category="horoscope"
  onChange={this._handleChange}
  options={SELECT_MENU_OPTIONS}>
  {SELECT_MENU_MAP[this.state.one]}
</System.SelectMenu>

<System.SelectMenuFull
  label="Pick a horoscope"
  name="three"
  value={this.state.three}
  category="horoscope"
  onChange={this._handleChange}
  options={SELECT_MENU_OPTIONS}>
  {SELECT_MENU_MAP[this.state.three]}
</System.SelectMenuFull>`}
        </System.CodeBlock>
        <br />
        <br />
        <System.H2>Output</System.H2>
        <hr />
        <br />
        <System.SelectMenu
          name="one"
          value={this.state.one}
          category="horoscope"
          onChange={this._handleChange}
          options={SELECT_MENU_OPTIONS}>
          {SELECT_MENU_MAP[this.state.one]}
        </System.SelectMenu>
        <br />
        <br />
        <System.SelectMenuFull
          label="Pick a horoscope"
          name="three"
          value={this.state.three}
          category="horoscope"
          onChange={this._handleChange}
          options={SELECT_MENU_OPTIONS}>
          {SELECT_MENU_MAP[this.state.three]}
        </System.SelectMenuFull>
      </SystemPage>
    );
  }
}