import React from 'react';
import { JSONTree, NoContent, Tabs } from 'UI';
import { Button } from 'antd';
import cn from 'classnames';
import AnimatedSVG, { ICONS } from 'Shared/AnimatedSVG/AnimatedSVG';
import stl from './fetchDetails.module.css';
import Headers from './components/Headers';

const HEADERS = 'HEADERS';
const REQUEST = 'REQUEST';
const RESPONSE = 'RESPONSE';

const TABS = [HEADERS, REQUEST, RESPONSE].map((tab) => ({ text: tab, key: tab }));

export default class FetchDetails extends React.PureComponent {
  state = { activeTab: REQUEST, tabs: [] };

  onTabClick = (activeTab) => this.setState({ activeTab });

  componentDidMount() {
    this.checkTabs();
  }

  renderActiveTab = (tab) => {
    const { resource: { payload, response = this.props.resource.body } } = this.props;
    let jsonPayload; let jsonResponse; let requestHeaders; let
      responseHeaders;

    try {
      jsonPayload = typeof payload === 'string' ? JSON.parse(payload) : payload;
      requestHeaders = jsonPayload.headers;
      jsonPayload.body = typeof jsonPayload.body === 'string' ? JSON.parse(jsonPayload.body) : jsonPayload.body;
      delete jsonPayload.headers;
    } catch (e) {}

    try {
      jsonResponse = typeof response === 'string' ? JSON.parse(response) : response;
      responseHeaders = jsonResponse.headers;
      jsonResponse.body = typeof jsonResponse.body === 'string' ? JSON.parse(jsonResponse.body) : jsonResponse.body;
      delete jsonResponse.headers;
    } catch (e) {}

    switch (tab) {
      case REQUEST:
        return (
          <NoContent
            title={(
              <div className="flex flex-col items-center justify-center">
                <AnimatedSVG name={ICONS.NO_RESULTS} size="60" />
                <div className="mt-4">Body is Empty</div>
              </div>
  )}
            size="small"
            show={!payload}
          >
            <div>
              <div className="mt-6">
                { jsonPayload === undefined
                  ? (
                    <div className="ml-3 break-words my-3">
                      {' '}
                      { payload }
                      {' '}
                    </div>
                  )
                  : <JSONTree src={jsonPayload} collapsed={false} enableClipboard />}
              </div>
              <div className="divider" />
            </div>
          </NoContent>
        );
      case RESPONSE:
        return (
          <NoContent
            title={(
              <div className="flex flex-col items-center justify-center">
                <AnimatedSVG name={ICONS.NO_RESULTS} size="60" />
                <div className="mt-4">Body is Empty</div>
              </div>
  )}
            size="small"
            show={!response}
          >
            <div>
              <div className="mt-6">
                { jsonResponse === undefined
                  ? (
                    <div className="ml-3 break-words my-3">
                      {' '}
                      { response }
                      {' '}
                    </div>
                  )
                  : <JSONTree src={jsonResponse} collapsed={false} enableClipboard />}
              </div>
              <div className="divider" />
            </div>
          </NoContent>
        );
      case HEADERS:
        return <Headers requestHeaders={requestHeaders} responseHeaders={responseHeaders} />;
    }
  };

  componentDidUpdate(prevProps) {
    if (prevProps.resource.index === this.props.resource.index) return;

    this.checkTabs();
  }

  checkTabs() {
    const { resource: { payload, response, body }, isResult } = this.props;
    const _tabs = TABS;
    // const _tabs = TABS.filter(t => {
    // 	if (t.key == REQUEST && !!payload) {
    // 		return true
    // 	}

    // 	if (t.key == RESPONSE && !!response) {
    // 		return true;
    // 	}

    // 	return false;
    // })
    this.setState({ tabs: _tabs, activeTab: _tabs.length > 0 ? _tabs[0].key : null });
  }

  render() {
    const {
      resource: {
        method,
        url,
        duration,
      },
      nextClick,
      prevClick,
      first = false,
      last = false,
    } = this.props;
    const { activeTab, tabs } = this.state;

    return (
      <div className="px-4 pb-16">
        <h5 className="mb-2">URL</h5>
        <div className={cn(stl.url, 'color-gray-darkest')}>{ url }</div>
        <div className="flex items-center mt-4">
          <div className="w-4/12">
            <div className="font-medium mb-2">Method</div>
            <div>{method}</div>
          </div>
          <div className="w-4/12">
            <div className="font-medium mb-2">Duration</div>
            <div>
              {parseInt(duration)}
              {' '}
              ms
            </div>
          </div>
        </div>

        <div className="mt-6">
          <div>
            <Tabs
              tabs={tabs}
              active={activeTab}
              onClick={this.onTabClick}
              border
            />
            <div style={{ height: 'calc(100vh - 364px)', overflowY: 'auto' }}>
              { this.renderActiveTab(activeTab) }
            </div>
          </div>

          <div className="flex justify-between absolute bottom-0 left-0 right-0 p-3 border-t bg-white">
            <Button type="outline" onClick={prevClick} disabled={first}>
              Prev
            </Button>
            <Button type="outline" onClick={nextClick} disabled={last}>
              Next
            </Button>
          </div>
        </div>
      </div>
    );
  }
}