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use crate::app::AppResult;
use crate::utils::is_installed;
use mpd::song::Song;
use mpd::{Client, State};
use simple_dmenu::dmenu;
use std::time::Duration;
#[derive(Debug)]
/// struct storing the mpd Client related stuff
pub struct Connection {
pub conn: Client,
pub songs_filenames: Vec<String>,
pub state: String,
pub elapsed: Duration,
pub total_duration: Duration,
pub current_song: Song,
pub stats: mpd::Stats,
pub status: mpd::Status,
}
impl Connection {
/// Create a new connection
pub fn builder(addrs: &str) -> AppResult<Self> {
let mut conn = Client::connect(addrs).unwrap_or_else(|_| {
eprintln!("Error connecting to mpd server, Make sure mpd is running");
std::process::exit(1);
});
let empty_song = Song {
file: "No Song playing or in Queue".to_string(),
..Default::default()
};
let songs_filenames: Vec<String> = conn.listall()?.into_iter().map(|x| x.file).collect();
let status = conn.status().unwrap();
let (elapsed, total) = status.time.unwrap_or_default();
let stats = conn.stats().unwrap_or_default();
let current_song = conn
.currentsong()
.unwrap_or_else(|_| Some(empty_song.clone()))
.unwrap_or(empty_song);
Ok(Self {
conn,
songs_filenames,
state: "Stopped".to_string(),
elapsed,
total_duration: total,
current_song,
stats,
status,
})
}
/// Dmenu prompt for selecting songs
pub fn play_dmenu(&mut self) -> AppResult<()> {
if is_installed("dmenu") {
let ss: Vec<&str> = self.songs_filenames.iter().map(|x| x.as_str()).collect();
let op = dmenu!(iter &ss; args "-p", "Choose a song: ", "-l", "30");
let index = ss.iter().position(|s| s == &op);
if let Some(i) = index {
let song = self.get_song_with_only_filename(ss.get(i).unwrap());
self.push(&song)?;
}
}
Ok(())
}
/// Update status
pub fn update_status(&mut self) {
let status = self.conn.status().unwrap();
let stats = self.conn.stats().unwrap_or_default();
let empty_song = self.get_song_with_only_filename("No Song playing or in Queue");
let current_song = self
.conn
.currentsong()
.unwrap_or_else(|_| Some(empty_song.clone()))
.unwrap_or(empty_song);
// Status
self.status = status.clone();
// Playback State
self.state = match status.state {
State::Stop => "Stopped".to_string(),
State::Play => "Playing".to_string(),
State::Pause => "Paused".to_string(),
};
// Progress
let (elapsed, total) = status.time.unwrap_or_default();
self.elapsed = elapsed;
self.total_duration = total;
// Current song
self.current_song = current_song;
// Stats
self.stats = stats;
}
/// Get progress ratio of current playing song
pub fn get_progress_ratio(&self) -> f64 {
let total = self.total_duration.as_secs_f64();
if total == 0.0 {
0.0
} else {
let ratio = self.elapsed.as_secs_f64() / self.total_duration.as_secs_f64();
if ratio > 1.0 || ratio == 0.0 {
0.0
} else {
ratio
}
}
}
/// push the given song to queue
pub fn push(&mut self, song: &Song) -> AppResult<()> {
if self.conn.queue().unwrap().is_empty() {
self.conn.push(song).unwrap();
self.conn.play().unwrap();
} else {
self.conn.push(song)?;
let len: u32 = (self.conn.queue().unwrap().len() - 1).try_into().unwrap();
self.conn.switch(len)?;
if self.conn.status()?.state == State::Stop {
self.conn.play()?;
}
}
Ok(())
}
/// Push all songs of a playlist into queue
pub fn load_playlist(&mut self, playlist: &str) -> AppResult<()> {
self.conn.load(playlist, ..)?;
self.conn.play()?;
Ok(())
}
/// Add given song to playlist
pub fn add_to_playlist(&mut self, playlist: &str, song: &Song) -> AppResult<()> {
self.conn.pl_push(playlist, song)?;
Ok(())
}
/// Given a filename, get instance of Song with only filename
pub fn get_song_with_only_filename(&self, filename: &str) -> Song {
Song {
file: filename.to_string(),
..Default::default()
}
}
/// Given a song name from a directory, it returns the full path of the song in the database
pub fn get_full_path(&self, short_path: &str) -> Option<&str> {
for (i, f) in self.songs_filenames.iter().enumerate() {
if f.contains(short_path) {
return Some(self.songs_filenames.get(i).unwrap());
}
}
None
}
/// Gives title of current playing song
pub fn now_playing(&mut self) -> AppResult<Option<String>> {
if let Some(s) = &self.current_song.title {
if let Some(a) = &self.current_song.artist {
Ok(Some(format!("\"{}\" By {}", s, a)))
} else {
Ok(Some(s.to_string()))
}
} else {
Ok(Some(self.current_song.file.clone()))
}
}
// Playback controls
/// Pause playback
pub fn pause(&mut self) {
self.conn.pause(true).unwrap();
}
/// Toggles playback
pub fn toggle_pause(&mut self) {
self.conn.toggle_pause().unwrap();
}
/// Toggle Repeat mode
pub fn toggle_repeat(&mut self) {
let mode = self.status.repeat;
self.conn.repeat(!mode).unwrap();
}
/// Toggle random mode
pub fn toggle_random(&mut self) {
let mode = self.status.random;
self.conn.random(!mode).unwrap();
}
// Volume controls
/// Increase Volume
pub fn inc_volume(&mut self, v: i8) {
let cur = self.status.volume;
if cur + v <= 100 {
self.conn.volume(cur + v).unwrap();
}
}
/// Decrease volume
pub fn dec_volume(&mut self, v: i8) {
let cur = self.status.volume;
if cur - v >= 0 {
self.conn.volume(cur - v).unwrap();
}
}
}
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