a lot of things

src/app/Router.tsx

@@ -12,6 +12,7 @@ import ErrorScreen from "./pages/ErrorScreen";
 import Account from "./pages/Account";
 import Player from "./components/Player";
 import Register from "./pages/Register";
+import PlayerMaximized from "./pages/PlayerMaximized";
 
 export default function createRouter() {
     const router = createRoutesFromElements(
@@ -47,6 +48,10 @@ export default function createRouter() {
                     path='/register'
                     element={<Register />}
                 />
+                <Route
+                    path='/player'
+                    element={<PlayerMaximized />}
+                />
             </Route>
         </Route>
     );

src/app/components/AddPlaylistButton.tsx

@@ -1,17 +1,56 @@
 import { Add } from "@mui/icons-material";
-import { Box, BoxProps, Theme, Typography, useTheme } from "@mui/material";
+import { Box, BoxProps, Button, Dialog, DialogActions, DialogContent, DialogContentText, DialogTitle, TextField, Theme, Typography, useTheme } from "@mui/material";
-import React from "react";
+import React, { FormEventHandler, useState } from "react";
 import { MotionBox } from "./MotionComponents";
 import { Variants } from "framer-motion";
 
-export default function AddPlaylistButton(props: BoxProps) {
+type AddPlaylistButtonProps = {
+    onCreate: (name: string) => void | any;
+};
+export default function AddPlaylistButton({ onCreate }: AddPlaylistButtonProps) {
     const theme = useTheme();
+    const [open, setOpen] = useState(false);
+
+    const handleSubmit: FormEventHandler<HTMLFormElement> = (evt) => {
+        const playlistName = evt.currentTarget.elements.namedItem('playlistName') as HTMLInputElement;
+        evt.preventDefault();
+        const name = playlistName.value.trim();
+        if (name.length === 0) return;
+        onCreate(name);
+        setOpen(false);
+    };
+
     return (
+        <>
+            <Dialog
+                PaperProps={{
+                    component: 'form',
+                    onSubmit: handleSubmit
+                }}
+                open={open}
+                onClose={() => setOpen(false)}
+            >
+                <DialogTitle>
+                    New playlist
+                </DialogTitle>
+                <DialogContent>
+                    <DialogContentText>Enter name for your new playlist</DialogContentText>
+                    <TextField
+                        name='playlistName'
+                        label='Playlist name'
+                        fullWidth
+                    />
+                </DialogContent>
+                <DialogActions>
+                    <Button onClick={() => setOpen(false)}>Cancel</Button>
+                    <Button type='submit'>Create</Button>
+                </DialogActions>
+            </Dialog>
             <Box
                 display='flex'
                 flexDirection='column'
                 justifyContent='center'
-            {...props}
+                onClick={() => setOpen(true)}
             >
                 <MotionBox
                     width={120}
@@ -24,13 +63,14 @@ export default function AddPlaylistButton(props: BoxProps) {
                     color='success.contrastText'
                     borderRadius={theme.shape.borderRadius}
                     whileHover={{ borderRadius: '30%', scale: 0.8 }}
-                whileTap={{borderRadius: '40%', scale: 0.7, backgroundColor: theme.palette.info.main}}
+                    whileTap={{ borderRadius: '40%', scale: 0.7, backgroundColor: theme.palette.info.main, rotate: '90deg' }}
                 >
-                <Add sx={{scale:2}} />
+                    <Add sx={{ scale: 2 }} />
                 </MotionBox>
                 <Typography textAlign='center'>
                     New playlist
                 </Typography>
             </Box>
+        </>
     );
 }

src/app/components/Page.tsx

@@ -1,5 +1,7 @@
 import { Box, BoxProps, useTheme } from "@mui/material";
+import { HTMLMotionProps } from "framer-motion";
 import React from "react";
+import { MotionBox } from "./MotionComponents";
 
 export default function Page(props: BoxProps) {
     const theme = useTheme();
@@ -18,6 +20,23 @@ export default function Page(props: BoxProps) {
     );
 }
 
+export function MotionPage(props: BoxProps & HTMLMotionProps<'div'>) {
+    const theme = useTheme();
+
+    return (
+        <MotionBox
+            minHeight='100%'
+            maxWidth='100%'
+            sx={{
+                backgroundColor: theme.palette.background.default,
+                color: theme.palette.text.primary
+            }}
+            bgcolor='default'
+            {...props}
+        />
+    );
+}
+
 export function PageRoot(props: BoxProps) {
     const theme = useTheme();
 

src/app/components/Player.tsx

@@ -1,24 +1,31 @@
-import { BottomNavigation, BottomNavigationAction, Box, Button, IconButton, Theme, Typography, useTheme } from "@mui/material";
+import { BottomNavigation, BottomNavigationAction, Box, Button, IconButton, Slider, Theme, Typography, useTheme } from "@mui/material";
 import React, { useEffect, useMemo, useRef, useState } from "react";
 import useQueue from "../hooks/useQueue";
 import { getSongURL, Song } from "../utils/MusicServer";
-import { Pause, PlayArrow, Repeat, RepeatOn, RepeatOne, RepeatOneOn, SkipNext, SkipPrevious } from "@mui/icons-material";
+import { Menu, MoreHoriz, Pause, PlayArrow, Repeat, RepeatOn, RepeatOne, RepeatOneOn, SkipNext, SkipPrevious } from "@mui/icons-material";
 import durationToStr from "../utils/duration";
 import { MotionBox } from "./MotionComponents";
 import { Variants } from "framer-motion";
+import { useNavigate } from "react-router-dom";
 
 const variants = (theme: Theme): Variants => (
     {
         initial: {
-            bottom: theme.spacing(-12)
+            bottom: theme.spacing(-12),
+            opacity: 0.8
         },
         final: {
-            bottom: theme.spacing(0)
+            bottom: theme.spacing(0),
+            opacity: 0.8
+        },
+        hover: {
+            opacity: 1
         }
     }
 );
 
 export default function Player() {
+    const navigate = useNavigate();
     const theme = useTheme();
     const queue = useQueue();
     const audioRef = useRef<HTMLAudioElement>(null);
@@ -28,6 +35,7 @@ export default function Player() {
     const [canPlayPrev, setCanPlayPrev] = useState(false);
     const [repeatOne, setRepeatOne] = useState(false);
     const [currentTime, setCurrentTime] = useState(0);
+
     const songURL = useMemo(
         () => getSongURL(song),
         [song, queue]
@@ -77,6 +85,13 @@ export default function Player() {
         setCurrentTime(audio.currentTime);
     };
 
+    const handleSlider = (evt: Event, value: number | number[]) => {
+        const v = typeof value === 'number' ? value : value[0];
+        setCurrentTime(v);
+        if (audioRef.current)
+            audioRef.current.currentTime = v;
+    };
+
     useEffect(() => {
         const intervalId = setInterval(() => {
             updateCurrentPlaying();
@@ -116,6 +131,7 @@ export default function Player() {
             variants={variants(theme)}
             initial='initial'
             animate='final'
+            whileHover='hover'
         >
             <Box width='100%' height={theme.spacing(6)} p={2}>
                 {song && songURL && (
@@ -123,9 +139,9 @@ export default function Player() {
                 )}
                 <Box display='flex' flexGrow={1} gap={2}>
                     <img src={song?.thumbnails[0].url} width={64} />
-                    <Box display='flex' flexDirection='column' flexGrow={1}>
+                    <Box display='flex' flexDirection='column' flexGrow={0} flexShrink={1}>
                         <Typography variant='h6' component='div'>
-                            {song?.name}
+                            {song?.name.slice(0, 16)}{song.name.length > 16 && '...'}
                         </Typography>
                         <Box display='flex' gap={1}>
                             <Typography color='textSecondary'>
@@ -138,6 +154,13 @@ export default function Player() {
                             )}
                         </Box>
                     </Box>
+                    <Box display='flex' flexGrow={1} flexShrink={0} alignSelf='center'>
+                        <Slider
+                            max={song.duration}
+                            value={currentTime}
+                            onChange={handleSlider}
+                        />
+                    </Box>
                     <Typography
                         color='textDisabled'
                         component='div'
@@ -172,6 +195,9 @@ export default function Player() {
                         <IconButton disabled={!canPlayNext} onClick={handleNext}>
                             <SkipNext />
                         </IconButton>
+                        <IconButton onClick={() => navigate('/player')}>
+                            <Menu />
+                        </IconButton>
                     </Box>
                 </Box>
             </Box>

src/app/components/SongCard.tsx

@@ -1,5 +1,5 @@
 import { Box, IconButton, Skeleton, Typography, useTheme } from "@mui/material";
-import React, { MouseEventHandler } from "react";
+import React, { MouseEventHandler, ReactNode } from "react";
 import { LazyLoadImage } from 'react-lazy-load-image-component';
 import { AddToQueue, Download as DownloadIcon, PlayArrow, PlaylistAdd } from '@mui/icons-material';
 
@@ -11,6 +11,7 @@ type SongCardProps = {
     album: string;
     saveSong?: () => void;
     playSong?: () => void;
+    controls?: ReactNode;
 };
 
 export default function SongCard({ onClick, thumbnailUrl, artist, name, album }: SongCardProps) {
@@ -33,7 +34,7 @@ export default function SongCard({ onClick, thumbnailUrl, artist, name, album }:
     );
 }
 
-export function SearchSongCard({ onClick, thumbnailUrl, artist, name, album, saveSong, playSong }: SongCardProps) {
+export function SearchSongCard({ onClick, thumbnailUrl, artist, name, album, saveSong, playSong, controls }: SongCardProps) {
     const theme = useTheme();
 
     return (
@@ -82,6 +83,7 @@ export function SearchSongCard({ onClick, thumbnailUrl, artist, name, album, sav
                         <PlayArrow />
                     </IconButton>
                 )}
+                {controls}
             </Box>
         </Box>
     );

src/app/hooks/usePlaylist.ts

@@ -0,0 +1,22 @@
+import React, { useState } from "react";
+import { addSong, getPlaylist, removeSong, Song } from "../utils/MusicServer";
+
+export default function usePlaylist(id: string) {
+    const [songs, setSongs] = useState<Song[]>([]);
+    
+    getPlaylist(id).then((playlist) => {
+        setSongs(playlist.songs);
+    });
+
+    return {
+        songs,
+        addSong(song: Song) {
+            setSongs((songs) => [...songs, song]);
+            addSong(id, song);
+        },
+        removeSong(song: Song) {
+            setSongs((songs) => songs.filter(x => x.videoId !== song.videoId));
+            removeSong(id, song);
+        }
+    };
+}

src/app/hooks/useQueue.ts

@@ -49,6 +49,7 @@ export class Queue {
     }
     
     removeSong(index: number) {
+        if (index < this.i) this.setI((i) => i - 1);
         this.setSongs((prevSongs) => {
             return prevSongs.filter((_, i) => i !== index); // создаем новый массив без удаленного элемента
         });

src/app/hooks/useSong.ts

@@ -0,0 +1,13 @@
+import React, { useEffect, useState } from "react";
+import { Song } from "../utils/MusicServer";
+import useQueue from "./useQueue";
+
+export default function useSong(): Song | undefined {
+    const queue = useQueue();
+    if (!queue) return undefined;
+    const [song, setSong] = useState<Song | undefined>();
+    useEffect(() => {
+        setSong(queue.getCurrent());
+    }, [queue]);
+    return song;
+}

src/app/pages/Landing.tsx

@@ -9,13 +9,17 @@ import AddPlaylistButton from "../components/AddPlaylistButton";
 export default function Landing() {
     const theme = useTheme();
 
+    const handleCreatePlaylist = (name: string) => {
+        console.log(`Creating playlist ${name}`);
+    };
+
     return (
         <Page>
             <AppHeader />
             <PageRoot>
                 <Typography variant='button'>Playlists</Typography>
                 <Scroll display='flex' gap={theme.spacing(2)}>
-                    <AddPlaylistButton />
+                    <AddPlaylistButton onCreate={handleCreatePlaylist} />
                 </Scroll>
             </PageRoot>
         </Page>

src/app/pages/PlayerMaximized.tsx

@@ -0,0 +1,138 @@
+import React, { ReactNode, useEffect, useState } from "react";
+import Page, { MotionPage, PageRoot } from "../components/Page";
+import { Alert, AppBar, Box, CircularProgress, IconButton, Tab, Tabs, Toolbar, Typography } from "@mui/material";
+import useSong from "../hooks/useSong";
+import { MotionBox } from "../components/MotionComponents";
+import useQueue from "../hooks/useQueue";
+import { getLyrics } from "../utils/MusicServer";
+import { SearchSongCard } from "../components/SongCard";
+import { Close } from "@mui/icons-material";
+
+function a11yProps(i: number) {
+    return {
+        id: `tab-control-${i}`,
+        'aria-controls': `tab-${i}`
+    };
+}
+
+function QueueTab() {
+    const queue = useQueue();
+
+    useEffect(() => {
+
+    }, [queue]);
+
+    return (
+        <MotionBox
+            initial={{ translateX: '-30%', opacity: 0.4 }}
+            animate={{ translateX: 0, opacity: 1 }}
+            gap={2}
+            p={3}
+            display='flex'
+            flexDirection='column'
+        >
+            {queue && queue.songs.length > 0 && queue.songs && (
+                queue.songs.map(
+                    (song, i) => (
+                        <SearchSongCard
+                            album={song.album?.name}
+                            artist={song.artist.name}
+                            name={song.name}
+                            thumbnailUrl={song.thumbnails[0].url}
+                            controls={
+                                <>
+                                    <IconButton
+                                        onClick={() => queue.removeSong(i)}
+                                    >
+                                        <Close />
+                                    </IconButton>
+                                </>
+                            }
+                        />
+                    )
+                )
+            )}
+        </MotionBox>
+    );
+}
+
+function LyricsTab() {
+    const song = useSong();
+    const [lyrics, setLyrics] = useState<ReactNode[]>([]);
+
+    useEffect(() => {
+        if (!song) {
+            setLyrics([
+                <Alert severity="info">
+                    There are no any songs in the queue.
+                </Alert>
+            ]);
+            return;
+        }
+        setLyrics([
+            <CircularProgress />
+        ]);
+        getLyrics(song).then(
+            lyrics => {
+                setLyrics(lyrics.map((line) => (
+                    <Typography>
+                        {line}
+                    </Typography>
+                )));
+            }
+        ).catch(
+            err => {
+                setLyrics([
+                    <Alert severity='error'>
+                        Could not load lyrics: {err.message}
+                    </Alert>
+                ]);
+            }
+        );
+    }, [song]);
+
+    return (
+        <MotionBox
+            initial={{ translateX: '30%', opacity: 0.4 }}
+            animate={{ translateX: 0, opacity: 1 }}
+        >
+            <Box p={3}>
+                {lyrics}
+            </Box>
+        </MotionBox>
+    );
+}
+
+export default function PlayerMaximized() {
+    const [selectedTab, setSelectedTab] = useState(0);
+    return (
+        <MotionPage
+            initial={{ scale: 0.7, opacity: 0.3 }}
+            animate={{ scale: 1, opacity: 1 }}
+        >
+            <AppBar position='sticky'>
+                <Toolbar>
+                    <Typography variant='h6' component='div' flexGrow={1}>
+                        Extera Music
+                    </Typography>
+                    <IconButton onClick={() => history.back()}>
+                        <Close />
+                    </IconButton>
+                </Toolbar>
+            </AppBar>
+            <PageRoot>
+                <Box sx={{ borderBottom: 1, borderColor: 'divider' }}>
+                    <Tabs
+                        value={selectedTab}
+                        onChange={(evt, v) => setSelectedTab(v)}
+                    >
+                        <Tab label='Queue' {...a11yProps(0)} />
+                        <Tab label='Lyrics' {...a11yProps(1)} />
+                    </Tabs>
+                </Box>
+                {selectedTab === 0 && <QueueTab />}
+                {selectedTab === 1 && <LyricsTab />}
+            </PageRoot>
+        </MotionPage>
+    );
+}

src/app/utils/MusicServer.ts

@@ -28,6 +28,11 @@ export type Song = {
     album: Album;
 };
 
+export type Playlist = {
+    owner: string;
+    songs: Song[];
+};
+
 async function doPost(p: string, json: any) {
     const jsonString = JSON.stringify(json);
     const response = await fetch(API_BASE + p, {
@@ -47,6 +52,14 @@ async function doGet(p: string) {
     return await response.json();
 }
 
+async function doDelete(p: string) {
+    const response = await fetch(API_BASE + p, {
+        method: 'DELETE'
+    });
+    if (!response.ok) throw await response.json();
+    return await response.json();
+}
+
 export async function searchSongs(q: string): Promise<Song[]> {
     return await doGet(`/music/search?q=${encodeURIComponent(q)}`);
 }
@@ -64,6 +77,40 @@ export async function login(username?: string, password?: string): Promise<strin
     return (await doPost(`/auth/login`, {username, password})).token as string;
 }
 
+export async function getLyrics(song: Song): Promise<string[]> {
+    return await doGet(`/music/lyrics?id=${song.videoId}`);
+}
+
+export async function createPlaylist(name: string): Promise<string> {
+    const { id } = await doPost('/playlists/new', {
+        name
+    });
+
+    return id;
+}
+
+export async function getPlaylists(): Promise<Playlist[]> {
+    return await doGet('/playlists/list');
+}
+
+export async function getPlaylist(id: string): Promise<Playlist> {
+    return await doGet(`/playlists/${id}`);
+}
+
+export async function deletePlaylist(id: string) {
+    await doDelete(`/playlists/${id}`);
+}
+
+export async function addSong(playlistId: string, song: Song) {
+    await doPost(`/playlists/${playlistId}`, {
+        songId: song.videoId
+    });
+}
+
+export async function removeSong(playlistId: string, song: Song) {
+    await doDelete(`/playlists/${playlistId}/${song.videoId}`);
+}
+
 export function saveSong(song: Song) {
     saveAs(getSongURL(song)!, `${song.artist.name} - ${song.name}.mp3`);
 }