frontend/src/components/Admin.tsx

import React, { useState, MouseEvent } from 'react';
import styled from 'styled-components/macro';
import Plan from '../assets/plan.svg';
import History from '../assets/history.svg';
import Statistics from '../assets/statistics.svg';
import { Scheduler } from './Scheduler';
import { Rightbar } from './Rightbar';

const LeftSide = styled.div`
  height: 100%;
  display: flex;
  flex: 1;
  flex-direction: column;
  background-color: white;
`;

const Wrap = styled.div`
  display: flex;
  height: calc(100vh - 120px);
  background-color: #eceef4;
  width: 100%;
`;

const Wrapper = styled.div`
  flex: 12;
  display: flex;
  height: calc(100vh - 120px);
  background-color: #eceef4;
`;

interface LeftPanelElement {
  isCurrentTab: boolean;
}

const LeftPanelElement = styled.div<LeftPanelElement>`
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex: 1;
  //box-shadow: 0px 2px 2px 0px rgba(0, 0, 0, 0.75);
  padding: 20px;
  cursor: pointer;
  box-shadow: ${({ isCurrentTab }) => (isCurrentTab === true ? `inset 0px 0px 26px 0px rgba(0,0,0,0.55)` : '')};
  border-bottom: 1px solid #979797;
`;
const Icon = styled.img`
  width: 40px;
  margin: 5px;
`;

export const Admin = () => {
  const [currentTab, setCurrentTab] = useState<null | number>(null);

  const handleClick = (e: MouseEvent<HTMLDivElement>) => {
    setCurrentTab(Number(e.currentTarget.id));
  };

  return (
    <Wrap>
      <LeftSide>
        <LeftPanelElement id={'1'} isCurrentTab={currentTab === 1} onClick={handleClick}>
          <Icon alt="profile" src={Plan} />
          Pokaż plan
        </LeftPanelElement>
        <LeftPanelElement id={'2'} isCurrentTab={currentTab === 2} onClick={handleClick}>
          <Icon alt="history" src={History} />
          Historia Zmian
        </LeftPanelElement>
        <LeftPanelElement id={'3'} isCurrentTab={currentTab === 3} onClick={handleClick}>
          <Icon alt="statistics" src={Statistics} />
          Statystyki
        </LeftPanelElement>
      </LeftSide>
      <Wrapper>
        <Scheduler />
        <Rightbar />
      </Wrapper>
    </Wrap>
  );
};