feat: remove material UI and useless functionality

4 files changed, 90 insertions, 189 deletions

diff --git a/src/components/GithubAvatar/GithubAvatar.tsx b/src/components/GithubAvatar/GithubAvatar.tsx
deleted file mode 100644
index 32ac553..0000000
--- a/src/components/GithubAvatar/GithubAvatar.tsx
+++ /dev/null
@@ -1,39 +0,0 @@
-import React from 'react';
-
-import {
-  Avatar,
-  Link,
-} from '@material-ui/core';
-
-interface PropTypes {
-  username: string;
-}
-
-const githubUrl = 'https://github.com/';
-const getUserGithubUrl = (username: string): string => githubUrl + username;
-
-const GithubAvatar: React.FC<PropTypes> = ({ username }) => {
-  if (username === 'anonymous') return <Avatar/>;
-
-  const userGithubUrl = getUserGithubUrl(username);
-  const avatarUrl = userGithubUrl + '.png';
-  const usernameTokens = username.split(/[ ,.\-_#@;]/g);
-  const altText = (
-    (usernameTokens.length > 1)?
-      (usernameTokens[0][0] + usernameTokens[1][0])
-    :
-      usernameTokens[0][0]
-  ).toUpperCase()
-
-  return (
-    <Link href={userGithubUrl}>
-      <Avatar>
-        <img src={avatarUrl} alt={altText} />
-      </Avatar>
-    </Link>
-  )
-};
-
-export { getUserGithubUrl };
-export default GithubAvatar;
-
diff --git a/src/components/Loading/Loading.tsx b/src/components/Loading/Loading.tsx
deleted file mode 100644
index a784be1..0000000
--- a/src/components/Loading/Loading.tsx
+++ /dev/null
@@ -1,33 +0,0 @@
-import React from 'react';
-
-import {
-  Card,
-  CardHeader,
-} from '@material-ui/core';
-
-import { makeStyles } from '@material-ui/core/styles';
-import CircularProgress from '@material-ui/core/CircularProgress';
-
-
-const useStyles = makeStyles(theme => ({
-  root: {
-    padding: theme.spacing(1),
-    background: theme.palette.background.elevation2,
-  },
-}));
-
-const Loading: React.FC = () => {
-  const classes = useStyles();
-
-  return (
-    <Card className={classes.root}>
-      <CardHeader
-        avatar={(<CircularProgress color="secondary" />)}
-        title="Loading"
-        subheader="Please, wait."
-      />
-    </Card>
-  )
-};
-
-export default Loading;
diff --git a/src/components/SolutionCard/SolutionCard.tsx b/src/components/SolutionCard/SolutionCard.tsx
deleted file mode 100644
index 7ec8888..0000000
--- a/src/components/SolutionCard/SolutionCard.tsx
+++ /dev/null
@@ -1,117 +0,0 @@
-import React, { useState } from 'react';
-
-import {
-  Typography,
-  Card,
-  CardHeader,
-  CardContent,
-  IconButton,
-  Grid,
-  Menu,
-  MenuItem,
-} from '@material-ui/core';
-import { Solution } from '../../types';
-
-import { makeStyles } from '@material-ui/core/styles';
-import TimerIcon from '@material-ui/icons/Timer';
-import MoreVertIcon from '@material-ui/icons/MoreVert';
-import DeleteIcon from '@material-ui/icons/Delete';
-
-import GithubAvatar from '../GithubAvatar/GithubAvatar';
-import { del } from '../../requests';
-
-
-const DATE_FORMAT = {
-  month: 'long',
-  day: 'numeric',
-  year: 'numeric',
-  hour: '2-digit',
-  minute: '2-digit',
-};
-
-const useStyles = makeStyles(theme => ({
-  root: {
-    padding: theme.spacing(1),
-    background: theme.palette.background.elevation2,
-
-    '& .MuiTypography-h3': {
-      margin: theme.spacing(2),
-    },
-  },
-  menu: {
-    '& ul': {
-      background: theme.palette.background.elevation3,
-    }
-  },
-}));
-
-
-interface PropTypes {
-  data: Solution;
-  removeThisCard: (id: number) => void;
-}
-
-
-const SolutionCard: React.FC<PropTypes> = ({ data, removeThisCard }) => {
-  const classes = useStyles();
-  const [anchorEl, setAnchorEl] = useState<HTMLElement | null>(null);
-
-  const author = data.author? data.author.username : 'anonymous';
-  const date = new Date(data.date);
-
-  const handleOpenMenu = (event: React.MouseEvent<HTMLButtonElement>): void => {
-    setAnchorEl(event.currentTarget);
-  };
-
-  const handleClose = (): void => {
-    setAnchorEl(null);
-  };
-
-  const handleDelete = (): void => {
-    del(`solutions/${data.id}/`).then(() => {
-      removeThisCard(data.id);
-    });
-    handleClose();
-  };
-
-  return (
-    <Card className={classes.root}>
-      <CardHeader
-        avatar={<GithubAvatar username={author} />}
-        title={author}
-        subheader={date.toLocaleString('default', DATE_FORMAT)}
-        action={
-          <IconButton onClick={handleOpenMenu}>
-            <MoreVertIcon />
-          </IconButton>
-        }
-      />
-      <Menu
-        anchorEl={anchorEl}
-        open={Boolean(anchorEl)}
-        keepMounted
-        onClose={handleClose}
-        className={classes.menu}
-      >
-        <MenuItem onClick={handleDelete}>
-          <DeleteIcon />
-          Delete
-        </MenuItem>
-      </Menu>
-      <CardContent>
-        <Grid container direction="row" justify="center" alignItems="center">
-          <Grid item>
-            <TimerIcon/>
-          </Grid>
-          <Grid item>
-            <Typography variant="h3" color="primary">
-              { data.result }
-            </Typography>
-          </Grid>
-        </Grid>
-      </CardContent>
-    </Card>
-  )
-};
-
-export default SolutionCard;
diff --git a/src/components/Timer.tsx b/src/components/Timer.tsx
new file mode 100644
index 0000000..c9d7adf
--- /dev/null
+++ b/src/components/Timer.tsx
@@ -0,0 +1,90 @@
+import React, { useState, useEffect } from 'react';
+import convertTimeToString from '../utils/convertTimeToString';
+
+enum Mode {
+  'idle',
+  'countdown',
+  'running' ,
+  'over',
+};
+
+const helperText = {
+  [Mode.idle]: 'Hold SPACE to start countdown',
+  [Mode.countdown]: 'Release SPACE to begin',
+  [Mode.running]: 'Go fast!',
+  [Mode.over]: 'You are too late!',
+};
+
+// TODO: add to props
+const registerResult = (result: string): void => {
+  console.log(result)
+};
+
+const Timer: React.FC = () => {
+  const KEY_CODE = 32; // Space key
+  const maxCountdown = 15000;
+
+  const [mode, setMode] = useState<Mode>(Mode.idle);
+  const [displayTime, setDisplayTime] = useState<string>('00:00:00');
+
+  useEffect(() => {
+    const timestamp = Date.now();
+
+    if (mode === Mode.countdown) {
+      const repeater = setInterval(() => {
+        const timeDelta = maxCountdown - (Date.now() - timestamp);
+        if (timeDelta <= 0) setMode(Mode.over);
+        setDisplayTime(convertTimeToString(timeDelta));
+      }, 10);
+      return (): void => clearInterval(repeater);
+    }
+
+    if (mode === Mode.running) {
+      const repeater = setInterval(() => {
+        setDisplayTime(convertTimeToString(Date.now() - timestamp));
+      }, 10);
+      return (): void => clearInterval(repeater);
+    }
+
+    if (mode === Mode.over) {
+      setDisplayTime('00:00:00');
+    }
+  }, [mode]);
+
+  const handleKeyPress = (event: KeyboardEvent): void => {
+    event.preventDefault();
+    if (event.keyCode === KEY_CODE && mode === Mode.idle) setMode(Mode.countdown);
+  };
+
+  const handleKeyUp = (event: KeyboardEvent): void => {
+    if (event.keyCode === KEY_CODE) {
+      if (mode === Mode.running) {
+        registerResult(displayTime);
+        setMode(Mode.idle);
+      } else if (mode === Mode.over) {
+        setMode(Mode.idle);
+      } else {
+        setMode(Mode.running);
+      }
+    }
+  };
+
+  useEffect(() => {
+    window.addEventListener('keyup', handleKeyUp);
+    window.addEventListener('keypress', handleKeyPress);
+
+    return () => {
+      window.removeEventListener('keyup', handleKeyUp);
+      window.removeEventListener('keypress', handleKeyPress);
+    };
+  });
+
+  return (
+    <>
+      <span>{ displayTime }</span>
+      <p>{ helperText[mode] }</p>
+    </>
+  );
+};
+
+export default Timer;