import React from 'react';
import find from 'lodash/find';
import filter from 'lodash/filter';
import classnames from 'classnames';
import { IconHome2 } from '@tabler/icons';
import { useSelector, useDispatch } from 'react-redux';
import { focusTab, closeTab } from 'providers/ReduxStore/slices/tabs';
import { findItemInCollection } from 'utils/collections';
import CollectionToolBar from './CollectionToolBar';
import StyledWrapper from './StyledWrapper';

const RequestTabs = () => {
  const tabs = useSelector((state) => state.tabs.tabs);
  const activeTabUid = useSelector((state) => state.tabs.activeTabUid);
  const collections = useSelector((state) => state.collections.collections);
  const dispatch = useDispatch();

  const getTabClassname = (tab, index) => {
    return classnames("request-tab select-none", {
      'active': tab.uid === activeTabUid,
      'last-tab': tabs && tabs.length && (index === tabs.length - 1) 
    });
  };

  const getMethodColor = (method) => {
    let color = '';
    switch(method) {
      case 'GET': {
        color = 'rgb(5, 150, 105)';
        break;
      }
      case 'POST': {
        color = '#8e44ad';
        break;
      }
    }

    return color;
  };

  const handleClick = (tab) => {
    dispatch(focusTab({
      uid: tab.uid
    }));
  };

  const handleCloseClick = (event, tab) => {
    event.stopPropagation();
    event.preventDefault();
    dispatch(closeTab({
      tabUid: tab.uid
    }))
  };

  const createNewTab = () => {
    // todo
  };

  if(!activeTabUid) {
    return null;
  }

  const activeTab = find(tabs, (t) => t.uid === activeTabUid);
  if(!activeTab) {
    return (
      <StyledWrapper>
        Something went wrong!
      </StyledWrapper>
    );
  }

  const activeCollection = find(collections, (c) => c.uid === activeTab.collectionUid);
  const collectionRequestTabs = filter(tabs, (t) => t.collectionUid === activeTab.collectionUid);
  const item = findItemInCollection(activeCollection, activeTab.uid);

  if(!item || !item.uid) {
    return (
      <StyledWrapper>
        Request not found!
      </StyledWrapper>
    );
  }

  const getRequestName = (tab) =>  {
    const item = findItemInCollection(activeCollection, tab.uid);
    return item ? item.name : '';
  }

  const getRequestMethod = (tab) =>  {
    const item = findItemInCollection(activeCollection, tab.uid);
    return item ? item.request.method : '';
  }

  return (
    <StyledWrapper>
      {collectionRequestTabs && collectionRequestTabs.length ? (
        <>
          <CollectionToolBar collection={activeCollection}/>
          <div className="flex items-center">
            <ul role="tablist">
              <li className="select-none new-tab mr-1" onClick={createNewTab}>
                <div className="flex items-center home-icon-container">
                  <IconHome2 size={18} strokeWidth={1.5}/>
                </div>
              </li>
              {collectionRequestTabs && collectionRequestTabs.length ? collectionRequestTabs.map((tab, index) => {
                return <li key={tab.uid} className={getTabClassname(tab, index)} role="tab" onClick={() => handleClick(tab)}>
                  <div className="flex items-center justify-between tab-container px-1">
                    <div className="flex items-center tab-label pl-2">
                      <span className="tab-method" style={{color: getMethodColor(getRequestMethod(tab))}}>{getRequestMethod(tab)}</span>
                      <span className="text-gray-700 ml-1 tab-name">{getRequestName(tab)}</span>
                    </div>
                    <div className="flex px-2 close-icon-container" onClick={(e) => handleCloseClick(e, tab)}>
                      {!tab.hasChanges ? (
                        <svg focusable="false"xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512" className="close-icon">
                          <path fill="currentColor" d="M207.6 256l107.72-107.72c6.23-6.23 6.23-16.34 0-22.58l-25.03-25.03c-6.23-6.23-16.34-6.23-22.58 0L160 208.4 52.28 100.68c-6.23-6.23-16.34-6.23-22.58 0L4.68 125.7c-6.23 6.23-6.23 16.34 0 22.58L112.4 256 4.68 363.72c-6.23 6.23-6.23 16.34 0 22.58l25.03 25.03c6.23 6.23 16.34 6.23 22.58 0L160 303.6l107.72 107.72c6.23 6.23 16.34 6.23 22.58 0l25.03-25.03c6.23-6.23 6.23-16.34 0-22.58L207.6 256z"></path>
                        </svg>
                      ) : (
                        <svg focusable="false" xmlns="http://www.w3.org/2000/svg" width="8" height="16" fill="#cc7b1b" className="has-changes-icon" viewBox="0 0 8 8">
                          <circle cx="4" cy="4" r="3"/>
                        </svg>
                      ) }
                    </div>
                  </div>
                </li>
              }) : null}
              <li className="select-none new-tab ml-1" onClick={createNewTab}>
                <div className="flex items-center">
                  <svg xmlns="http://www.w3.org/2000/svg" width="22" height="22" fill="currentColor"  viewBox="0 0 16 16">
                    <path d="M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z"/>
                  </svg>
                </div>
              </li>
              <li className="select-none new-tab choose-request">
                <div className="flex items-center">
                  <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="currentColor" viewBox="0 0 16 16">
                    <path d="M3 9.5a1.5 1.5 0 1 1 0-3 1.5 1.5 0 0 1 0 3zm5 0a1.5 1.5 0 1 1 0-3 1.5 1.5 0 0 1 0 3zm5 0a1.5 1.5 0 1 1 0-3 1.5 1.5 0 0 1 0 3z"/>
                  </svg>
                </div>
              </li>
            </ul>
          </div>
        </>
      ) : null}
    </StyledWrapper>
  );
};

export default RequestTabs;