import React from 'react';

import { post } from '../../requests';

import {
  Window,
  ContentSection,
  SmartList,
} from 'react-benzin';
import { User, Solution, RenderPropTypes } from '../../types';

import TimerButton from './TimerButton';
import SolutionCard from '../../components/SolutionCard/SolutionCard';

import { Button, makeStyles } from '@material-ui/core';


const useStyles = makeStyles(theme => ({
  primary: {
    padding: theme.spacing(4),
  },
  cell: {
    padding: theme.spacing(5),
  },
}));


interface PropTypes {
  user: User;
  recentSolutions: Solution[];
  setRecentSolutions: (newRecentSolutions: Solution[]) => void;
  setPage: (newPage: string) => void;
}


const Timer: React.FC<PropTypes> = ({ user, recentSolutions, setRecentSolutions, setPage }) => {
  const classes = useStyles();

  const registerResult = (result: string): void => {
    const solution = { 'author_id': user.id, result };
    post('solutions/', solution).then(response => {
      setRecentSolutions([response.data].concat(recentSolutions));
    });
  };

  const handleLearnMore = (): void => {
    setPage('contribute');
  };

  const handleLogin = (): void => {
    setPage('profile');
  };

  const removeSolution = (id: number): void => {
    setRecentSolutions(recentSolutions.filter((solution => solution.id !== id)));
  };

  const renderItem: React.FC<RenderPropTypes> = ({ index, style }) => {
    const solution = recentSolutions[index];
    return (
      <div style={style} className={classes.cell}>
        <SolutionCard data={solution} removeThisCard={removeSolution} />
      </div>
    );
  };

  return (
    <>
      <Window type="primary">
        <div className={classes.primary}>
          <ContentSection sectionName="Welcome to ChronoCube!">
            <p>
              ChronoCube is a professional speedcubing timer.
              Share your results publicly - let everyone see your progress and
              achievements!
              Every speedcuber will benefit
              from using it - both amateur and professional!
            </p>
            <Button variant="contained" color="primary" onClick={handleLearnMore}> Learn more </Button>
          </ContentSection>
          {user.id === null &&
          <ContentSection sectionName="Log into an account">
            <p> Tell us your name so we can track your progress</p>
            <Button variant="contained" color="primary" onClick={handleLogin} size="large"> Login </Button>
          </ContentSection>
          }
          <TimerButton registerResult={registerResult} />
        </div>
      </Window>
      <Window type="secondary" name="Recent solutions">
        <SmartList
          itemSize={270}
          itemCount={recentSolutions.length}
          renderItem={renderItem}
        />
      </Window>
    </>
  );
};


export default Timer;