selene-core 0.5.1

use std::{ops::Deref, str::FromStr};

use crate::{
    database::LibraryDb,
    library::{loudnorm::LoudnormAnalysis, track::track_meta::TrackMeta},
    media_container::MediaContainer,
};
use blake3::Hash;
use lunar_lib::database::EntryId;
use serde::{Deserialize, Serialize};

pub(crate) mod internal;

pub mod core_impls;
pub mod frontend_impls;
pub mod trait_impls;

pub mod cover_art;
pub mod lyric_data;
pub mod track_meta;

pub const UNKNOWN_TITLE: &str = "UNKNOWN TITLE";

/// Track root. Defines file info, container info, metadata info
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct Track {
    id: TrackId,
    pub(crate) container: MediaContainer,

    pub metadata: TrackMeta,

    pub(crate) loudnorm_analysis: Option<LoudnormAnalysis>,

    version: u32,
}

#[derive(Debug, Deserialize, Serialize, Clone, Copy, PartialEq, Eq, Hash)]
pub struct TrackId {
    id: Hash,
}

impl EntryId for TrackId {
    type Entry = Track;
    type IdDb = LibraryDb;
}

impl Deref for TrackId {
    type Target = [u8; 32];

    fn deref(&self) -> &Self::Target {
        self.id.as_bytes()
    }
}

impl FromStr for TrackId {
    type Err = <Hash as FromStr>::Err;

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        Ok(Self {
            id: Hash::from_str(s)?,
        })
    }
}

impl TrackId {
    pub(crate) fn new(id: Hash) -> Self {
        Self { id }
    }

    #[must_use]
    pub fn to_hash(&self) -> Hash {
        self.id
    }

    #[must_use]
    pub fn to_selene_id(&self) -> String {
        format!("track:{}", self.id)
    }
}